- Must visit
Seattle Art Museum
Major downtown art museum with global collections, rotating exhibitions, and strong Pacific Northwest representation.
2,000+ travel companies
2,000+ travel companies
Scan to get our free app
Use our app to get live travel updates and book mobile tickets for trains, buses, flights, and ferries.
App Store
4.942K ratings
Google Play
4.6136K reviews
Journey information
Overview: St. Louis, MO to Seattle, WA flight
USAUSA
Flights from St. Louis, MO to Seattle, WA depart on average 41 times per day, taking around 4h 38m. Cheap flight tickets for this journey start at $85 (€70) if you book in advance.
There are 2 flights per day. The earliest flight runs at 00:05, the last at 23:58. The fastest flight covers the 1720 miles (2769 km) distance in 4h 28m. February is the cheapest month to fly.
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Distance 1720 miles (2769 km) |
Average flight duration 4h 38m |
Cheapest ticket price $85 (€70) |
Flights per day 41 |
Direct flights 2 |
Fastest flight 4h 28m |
First flight 12:05 AM |
Last flight 11:58 PM |
Cheapest Month Feb |
Cheapest Day Wed |
High Season Apr - Jun |
Low Season Oct - Dec |
Best time to book 28 days |
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
The cheapest and fastest flights from St. Louis, MO to Seattle, WA
Showing times and prices for Jun 21
Cheapest price
$238
Average price
$283
Fastest journey
4 h 42 m
Average duration
8 h 2 m
Flights per day
6
Distance
2769 km
Cheap tickets
The best way to find a cheap flight ticket from St. Louis, MO to Seattle, WA is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from St. Louis, MO to Seattle, WA will cost around $283 if you buy it on the day, but the cheapest tickets can be found for only $238.
Fast flights
Of the 6 flights that leave St. Louis, MO for Seattle, WA onSun, Jun 21, 6 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Sun, Jun 21 the direct flights cover the 2769 km distance in an average of 8 h 2 m but if you time it right, some flights will get you there in just 4 h 42 m .
On Sun, Jun 21 the longest flights will take 9 h 42 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.
11:15 AM11h57St. Louis, MO11:12 PMSeattle, WA$2381One-way0 transfers
12:00 PM4h42St. Louis, MO4:42 PMSeattle, WA$2501One-way0 transfers- 10:21 PM9h15St. Louis, MO7:36 AMSeattle, WA$2821One-way0 transfers
- 10:12 AM9h42St. Louis, MO7:54 PMSeattle, WA$3051One-way0 transfers
- 12:38 AM7h46St. Louis, MO8:24 AMSeattle, WA$3111One-way0 transfers
- 12:00 PM4h42St. Louis, MO4:42 PMSeattle, WA$2501One-way0 transfers
- 12:38 AM7h46St. Louis, MO8:24 AMSeattle, WA$3111One-way0 transfers
- 11:00 AM8h47St. Louis, MO7:47 PMSeattle, WA$3141One-way0 transfers
- 10:21 PM9h15St. Louis, MO7:36 AMSeattle, WA$2821One-way0 transfers
- 10:12 AM9h42St. Louis, MO7:54 PMSeattle, WA$3051One-way0 transfers
Travel Information
Compare train, bus, and flight for St. Louis, MO to Seattle, WA
Omio recommends booking the train as it is the most popular option from St. Louis, MO to Seattle, WA among Omio's users. If you are prioritising price take the flight with prices starting from $85. For those with little time consider booking a flight which can get you there in 4h 38m. The ticket price range depends on the travel mode: a flight costs an average of $85, and a train costs an average of $203.
Distance: 1720 miles (2769 km)
Compare flight with
| Flight | Most popular Train | Bus | Driving |
|---|---|---|---|
$290 Average price Cheapest | $467 Average price | $337 Average price | $421 Average price (fuel + tolls) |
7h 38m Average total duration Fastest 4h 38m Onboard + 3h 0m Additional time* | 57h 2m Average total duration 56h 32m Onboard + 30m Additional time* | 59h 58m Average total duration 59h 28m Onboard + 30m Additional time* | 30h 43m Average total duration (door-to-door) |
 Most popular airline |  Most popular train company |  Most popular bus company | Your own car or car rental |
Direct Options | Direct Options | Direct Options | Direct Options |
The cheapest way to travel from St. Louis, MO to Seattle, WA is a flight with an average price of $290 (€237).
This is compared to other travel options from St. Louis, MO to Seattle, WA:
A flight is $47 (€38) less than a bus for this route with tickets for a bus from St. Louis, MO to Seattle, WA costing on average $337 (€276).
A flight is $177 (€145) less than a train for this route with tickets for a train from St. Louis, MO to Seattle, WA costing on average $467 (€382).
The fastest way to travel from St. Louis, MO to Seattle, WA is by flight with an average journey time of 4h 38m.
Other travel options to Seattle, WA take longer:
Train takes on average 56h 32m.
Bus takes on average 59h 28m.
It's helpful to compare your options as there are 3 ways to travel between St. Louis, MO and Seattle, WA including taking a train, bus, and flight.
We recommend using the train as it is the most popular way to get from St. Louis, MO to Seattle, WA among Omio's users.
Live departures
St. Louis, MO to Seattle, WA flight times
The table below shows live departures for St. Louis, MO to Seattle, WA flights for today, Saturday, June 20. You can also manually refresh the results below to see updated flight journeys.
Last updated at
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| 9:13 PM St. Louis, MO | 8h56 | 6:09 AM Seattle, WA | 0 transfersDirect | |
| 10:21 PM St. Louis, MO | 9h15 | 7:36 AM Seattle, WA | 0 transfersDirect | |
| 11:50 PM St. Louis, MO | 8h05 | 7:55 AM Seattle, WA | 0 transfersDirect | |
| Sunday, June 21 | |||||
| 12:38 AM St. Louis, MO | 7h46 | 8:24 AM Seattle, WA | 0 transfersDirect | |
| 10:12 AM St. Louis, MO | 9h42 | 7:54 PM Seattle, WA | 0 transfersDirect | |
| 11:00 AM St. Louis, MO | 8h47 | 7:47 PM Seattle, WA | 0 transfersDirect | |
| 11:15 AM St. Louis, MO | 11h57 | 11:12 PM Seattle, WA | 0 transfersDirect | |
| 12:00 PM St. Louis, MO | 4h42 | 4:42 PM Seattle, WA | 0 transfersDirect | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets St. Louis, MO to Seattle, WA by train, bus, or flight
Compare train, bus, and flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
Sun
Jun 21
Jun 21
Mon
Jun 22
Jun 22
Tue
Jun 23
Jun 23
Wed
Jun 24
Jun 24
Thu
Jun 25
Jun 25
Fri
Jun 26
Jun 26
Sat
Jun 27
Jun 27
Why should you book St. Louis, MO to Seattle, WA flights with Omio?
Alaska Airlines operates all flights services from St. Louis, MO to Seattle, WA.
Omio is an official ticket reseller for all your travel options from St. Louis, MO to Seattle, WA.
Why book with Omio vs Alaska Airlines?
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
- Compare all your options: Omio allows you to compare Alaska Airlines with all available travel options, which are train, bus and flight to ensure you get the best deal for traveling from St. Louis, MO to Seattle, WA.
Why book with Omio over Skyscanner, Trip or Edreams?
- Multiple modes of transport: Omio allows you to compare travel options including train, bus and flight to find the ideal travel option from St. Louis, MO to Seattle, WA.
Airlines: Alaska Airlines from St. Louis, MO to Seattle, WAFind the best flights between St. Louis, MO to Seattle, WA with Omio's travel partners Alaska Airlines from $85 (€70). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
Alaska Airlines
About
Alaska Airlines, headquartered in SeaTac, Washington, is a major U.S. airline and the fifth-largest in North America by scheduled passengers carried as of 2024. Along with its regional partners, Horizon Air and SkyWest Airlines, Alaska Airlines operates a route network primarily connecting cities along the West Coast of the United States, including Alaska and Hawaii, to over 100 destinations in the contiguous U.S., the Bahamas, Belize, Canada, Costa Rica, Guatemala, and Mexico. The airline is a member of the Oneworld alliance, offering passengers access to a broad global network. Alaska Airlines is known for its customer service and loyalty program, Mileage Plan, and offers First Class, Premium Class, and Main Cabin seating options. The airline's primary hub is Seattle-Tacoma International Airport. In 2024, its parent company, Alaska Air Group, acquired Hawaiian Airlines.
Luggage & cancellation policy
Average Duration
4h 35m
Cheapest Price
$396 (€324)
Luggage included
1 carry-on bag (22 x 14 x 9) and 1 personal item included
Additional luggage
Checked bags fees start at $30 for first bag, $40 for second bag
Cancellation Policy
Saver fares are non-refundable. Main and First Class fares are refundable with fee, depending on fare type and elite status
Pregnant on board
Passengers can fly up to 36 weeks pregnant. After 28 weeks, medical certificate required
Unaccompagned minor
Unaccompanied minor service available for children ages 5-17. Service fee is $50 per direction on nonstop flights
Amenities on board the airplane
Wifi
USB plugs
Accessibility
Alaska Airlines provides wheelchair assistance and special services for passengers with disabilities, including meet-and-assist services and accessible seating
Pets
Pets allowed in cabin and cargo hold. Service animals welcome. Fees apply for pets in cabin ($100)
Entertaiment on board
Complete guide to Seattle
Things to do in Seattle
Discover the best of Seattle — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Seattle trip today.
- Must visit
Museum of Pop Culture
Bold contemporary museum known for music, film, science fiction, gaming, and interactive exhibits near Seattle Center.
- Must visit
Chihuly Garden and Glass
Immersive exhibition of Dale Chihuly's glass art, featuring dramatic indoor galleries and a glasshouse.
- Must visit
Kerry Park
Classic Seattle viewpoint for postcard skyline photos with the Space Needle and Mount Rainier on clear days.
- Must visit
Gas Works Park
Distinctive lakeside park with industrial remnants, skyline views, and broad lawns popular with locals.
- Recommended
Waterfront Park
Popular central waterfront walking area close to piers, views, and many of the city's best-known attractions.
- Gluten-free
Cedar-Planked Salmon
Pacific Northwest salmon roasted on a cedar plank, giving it a smoky wood aroma. It is one of Seattle’s signature dishes and reflects the region’s strong salmon tradition.
- Gluten-free
Dungeness Crab
Sweet, tender crab from Pacific Northwest waters, often served simply cracked or in crab cakes and seafood plates. It is a classic Seattle seafood specialty.
- Gluten-free
Geoduck
A large Pacific Northwest clam known for its crisp texture and briny flavor, often served as sashimi or lightly cooked. It is a distinctive regional delicacy.
Canlis
Iconic fine-dining restaurant with Pacific Northwest cuisine, polished service, and sweeping views. Best known for refined seafood and special-occasion atmosphere.
Pike Place Chowder
Popular casual spot famous for rich clam chowder and other seafood soups near Pike Place Market. A reliable choice for classic Seattle flavors.
Taylor Shellfish Oyster Bar
Established oyster bar specializing in fresh Washington shellfish, especially oysters, crab, and other regional seafood. Casual but highly regarded.
United States Dollar
Seattle is pricey by U.S. standards, with high hotel, dining, and coffee costs, though casual meals are still manageable.
Average meal costs
- Budget
- USD 12-18 for fast food or casual takeout.
- Mid-range
- USD 25-45 per person at a mid-range restaurant.
- Fine dining
- USD 80+ per person before drinks and tax.
- Coffee
- USD 4-7 for drip coffee or a latte.
Tipping culture
Tip 18-20% at restaurants; 20%+ for great service. Tip bartenders USD 1-2 per drink, round up taxis, and tip hotel staff.
FAQs: St. Louis, MO to Seattle, WA Flight
Find answers to the most common questions about traveling from St. Louis, MO to Seattle, WA by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at Seattle, WA, this guide helps you travel smarter and with confidence.
Cheap plane tickets from St. Louis, MO to Seattle, WA can start from as little as $85 (€70) when you book in advance. The average flight ticket price for St. Louis, MO to Seattle, WA is $290 (€237) ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The average journey time by plane from St. Louis, MO to Seattle, WA is 4h 28m to travel the 1720 miles (2769 km) long route. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.
The earliest flight from St. Louis, MO to Seattle, WA leaves at 12:05 AM. Plan your trip with the Journey Planner from Omio.
The latest flight from St. Louis, MO to Seattle, WA leaves at 11:58 PM.
Yes, there are 2 direct flights a day from St. Louis, MO to Seattle, WA with . Schedules can vary on holidays or weekends with fewer direct flights.
When taking a flight from St. Louis, MO to Seattle, WA, you can count on Alaska Airlines for the best way to get you to Seattle, WA. You can also check all possible airlines who offer a service between St. Louis, MO and Seattle, WA and compare the amenities they offer before buying a plane ticket.
Flights from St. Louis, MO to Seattle, WA generally leave from St. Louis Lambert International Airport and arrive in Seattle-Tacoma International Airport.St. Louis Lambert International Airport is 1 miles (2 km) away from St. Louis, MO city centre and Seattle-Tacoma International Airport is from Seattle, WA city centre.
The cheapest month for a flight from St. Louis, MO to Seattle, WA is February.
It's helpful to compare your options as there are 3 ways to travel between St. Louis, MO and Seattle, WA including taking a train, bus, and flight.
Since neither St. Louis, MO nor Seattle, WA are in the Schengen Area, passport requirements depend on the specific immigration rules of United States and United States. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
There is a time difference of 2 h between St. Louis, MO and Seattle, WA all year round.
The best events to attend in Seattle, WA include:
- Seafair, a summer festival featuring hydroplane races, parades, and cultural events
- Seattle International Film Festival, one of the largest film festivals in the U.S. showcasing independent films
- Bumbershoot, an annual music and arts festival held over Labor Day weekend
- Seattle Pride Parade, a celebration of LGBTQ+ pride with a colorful parade through downtown.
Some of the most interesting sights to explore in Seattle, WA are:
- Space Needle, an iconic observation tower offering panoramic views of Seattle and its surroundings
- Pike Place Market, a historic public market known for fresh produce, seafood, and local crafts
- Chihuly Garden and Glass, an exhibition showcasing the vibrant glass art of Dale Chihuly
- Museum of Pop Culture, a museum dedicated to contemporary popular culture with interactive exhibits
- Seattle Art Museum, a leading art museum featuring diverse collections from around the world.
The best holidays to experience in Seattle, WA include:
- Independence Day, fireworks and celebrations marking the nation's birthday
- Thanksgiving, a time for family gatherings and seasonal festivities
- Christmas, holiday lights and decorations creating a festive atmosphere
- New Year's Eve, lively celebrations welcoming the new year with fireworks and events.
The best things to do in Seattle, WA include:
- Take a ferry ride to Bainbridge Island for stunning views of the Seattle skyline and a charming small-town experience
- Explore the vibrant neighborhoods of Capitol Hill and Fremont, known for their eclectic shops, cafes, and street art
- Visit the Seattle Aquarium to discover marine life native to the Pacific Northwest
- Enjoy a scenic walk or bike ride along the Burke-Gilman Trail
- Experience a live performance at the historic Paramount Theatre, offering a variety of shows from Broadway to concerts.
The best season to visit Seattle, WA is Spring or Fall. The best weather to explore Seattle, WA is during April-June or September-November.
We recommend using the train as it is the most popular way to get from St. Louis, MO to Seattle, WA among Omio's users.
For domestic flights we recommend to arrive 1.5 to 2 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.
Most airlines permit carry-on bags that fit within specific dimensions (e.g., 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.
Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs). Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you. Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.
The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.
The currency used in the United States is the US Dollar (USD). For travelers, using cards is generally more convenient and widely accepted, especially credit and debit cards, while cash is useful for small purchases or places that do not accept cards.
In Seattle, WA, travelers should be cautious of pickpocketing and vehicle break-ins, especially in crowded areas and popular tourist spots like Pike Place Market. Scams involving fake charity collectors and street performers asking for money are common. It's advisable to stay alert in public transit and avoid unlicensed taxis. Travelers should also be aware of occasional aggressive panhandling in certain neighborhoods.
Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.
popular airports
Popular airports from St. Louis, MO to Seattle, WA
St. Louis
Seattle
The major airport for departures in St. Louis is St. Louis Lambert International Airport. Find all the information you need to know about services, amenities and connections at St. Louis Lambert International Airport for your trip from St. Louis to Seattle.
Amenities at airport
Wifi
Shopping
Parking
Dining
ATM
Taxis
Accessibility
WC
Hotel
Shower
Lounge
Lost and Found Office
Car Rentalinformation
Distance to city center
2 km
Car connection
I-70, Exit 236Wifi
- Free Wi-Fi available throughout the airport
Shopping
- Shops in both terminals, including Hudson News and Tech on the Go
Parking
- Parking available with short-term and long-term options, approximately 1.42€ ($1.50) per hour
Dining
- Restaurants in both terminals, including fast food and sit-down options like Starbucks and Chili's
Taxis
- Available outside the terminal
Accessibility
- Elevators, ramps
WC
- Available throughout both terminals
Hotel
- Hotels nearby, such as Marriott St. Louis Airport within walking distance.
Shower
- Showers available in some lounges, access may require lounge fee
Lounge
- Lounges available, including American Airlines Admirals Club
Lost and Found Office
- Lost and Found located in terminal 1, contact airport for details
Car Rental
- Car rental services available, including Hertz and Enterprise in terminal 1
Public transit options for St. Louis Lambert International Airport
- MetroLink Red Line, Lambert Airport terminal 1 & 2 stations, 35 minutes
The major airport for arrivals in Seattle is Seattle-Tacoma International Airport. Find all the information you need to know about services, amenities and connections at Seattle-Tacoma International Airport for your journey to Seattle from St. Louis.
Amenities at airport
WifiShoppingParkingDiningATMTaxisAccessibilityWCHotelShowerLoungeLost and Found OfficeCar Rentalinformation
Car connection
I-5, Exit 154BWifi
- Free Wi-Fi available throughout the airport
Shopping
- Shops include duty-free, Hudson News, and local specialty stores, located in the main terminal and concourses
Parking
- Parking available in the General Parking area, approximately 4.7€ ($5) per hour
Dining
- Restaurants are available, including fast food and sit-down options like McDold's and Beecher's Handmade Cheese.
Taxis
- Available outside the terminal
Accessibility
- Elevators, ramps
WC
- Available throughout the airport, near gates and in main terminal areas
Hotel
- Hotels within walking distance, such as the Seattle Airport Marriott and Hilton Seattle Airport.
Shower
- Showers are available at The Club at SEA lounges, typically included in lounge access fees
Lounge
- Lounges include The Club at SEA and Delta Sky Club, offering amenities like scks and showers
Lost and Found Office
- Lost and Found located on the baggage claim level, near carousel 13
Car Rental
- Car rental services are available at the Rental Car Facility, accessible via a free shuttle from the terminal
Public transit options for Seattle-Tacoma International Airport
- Link Light Rail, SeaTac/Airport Station, 40 minutes
More options for your journey from St. Louis, MO to Seattle, WA
Here are some other resources that might have the information you need
Most popular flights to and from Seattle, WA and St. Louis, MO
The Omio App Makes Travel Planning Easy
We’ll get you where you want to go. From live train updates to mobile tickets, our innovative app is the ideal way to plan and keep track of your travel.
