- Must visit
Saint Louis Art Museum
Major fine arts museum in Forest Park with collections spanning ancient to modern works. A top cultural stop known for strong European, American, and global holdings.
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: Seattle, WA to St. Louis, MO flight
USAUSA
Flights from Seattle, WA to St. Louis, MO depart on average 46 times per day, taking around 3h 48m. Cheap flight tickets for this journey start at $107 (€88) 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 3h 56m. June 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 3h 48m |
Cheapest ticket price $107 (€88) |
Flights per day 46 |
Direct flights 2 |
Fastest flight 3h 56m |
First flight 12:05 AM |
Last flight 11:58 PM |
Cheapest Month Jun |
Cheapest Day Wed |
High Season Jan - Mar |
Low Season Jul - Sep |
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 Seattle, WA to St. Louis, MO
Showing times and prices for Jun 22
Cheapest price
$319
Average price
$341
Fastest journey
6 h 56 m
Average duration
7 h 34 m
Flights per day
2
Distance
2769 km
Cheap tickets
The best way to find a cheap flight ticket from Seattle, WA to St. Louis, MO is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Seattle, WA to St. Louis, MO will cost around $341 if you buy it on the day, but the cheapest tickets can be found for only $319.
Fast flights
Of the 2 flights that leave Seattle, WA for St. Louis, MO onMon, Jun 22, 2 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Mon, Jun 22 the direct flights cover the 2769 km distance in an average of 7 h 34 m but if you time it right, some flights will get you there in just 6 h 56 m .
On Mon, Jun 22 the longest flights will take 8 h 12 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.
2:09 PM8h12Seattle, WA10:21 PMSt. Louis, MO$3191One-way0 transfers- 6:59 AM6h56Seattle, WA1:55 PMSt. Louis, MO$3631One-way0 transfers
- 6:59 AM6h56Seattle, WA1:55 PMSt. Louis, MO$3631One-way0 transfers
- 2:09 PM8h12Seattle, WA10:21 PMSt. Louis, MO$3191One-way0 transfers
Travel Information
Compare train, bus, and flight for Seattle, WA to St. Louis, MO
Omio recommends booking the train as it is the most popular option from Seattle, WA to St. Louis, MO among Omio's users. If you are prioritising price take the bus with prices starting from $140. For those with little time consider booking a flight which can get you there in 3h 48m. The ticket price range depends on the travel mode: a bus costs an average of $140, and a train costs an average of $174.
Distance: 1720 miles (2769 km)
Compare flight with
| Flight | Most popular Train | Bus | Driving |
|---|---|---|---|
$255 Average price | $404 Average price | $230 Average price Cheapest | $420 Average price (fuel + tolls) |
6h 48m Average total duration Fastest 3h 48m Onboard + 3h 0m Additional time* | 58h 1m Average total duration 57h 31m Onboard + 30m Additional time* | 47h 29m Average total duration 46h 59m Onboard + 30m Additional time* | 30h 37m 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 Seattle, WA to St. Louis, MO is a bus with an average price of $230 (€188).
This is compared to other travel options from Seattle, WA to St. Louis, MO:
A bus is $25 (€21) less than a flight for this route with tickets for a flight from Seattle, WA to St. Louis, MO costing on average $255 (€209).
A bus is $174 (€143) less than a train for this route with tickets for a train from Seattle, WA to St. Louis, MO costing on average $404 (€331).
The fastest way to travel from Seattle, WA to St. Louis, MO is by flight with an average journey time of 3h 48m.
Other travel options to St. Louis, MO take longer:
Bus takes on average 46h 59m.
Train takes on average 57h 31m.
It's helpful to compare your options as there are 3 ways to travel between Seattle, WA and St. Louis, MO including taking a train, bus, and flight.
We recommend using the train as it is the most popular way to get from Seattle, WA to St. Louis, MO among Omio's users.
Live departures
Seattle, WA to St. Louis, MO flight times
The table below shows live departures for Seattle, WA to St. Louis, MO flights for today, Sunday, June 21. You can also manually refresh the results below to see updated flight journeys.
Last updated at
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| 7:57 AM Seattle, WA | 9h04 | 5:01 PM St. Louis, MO | 0 transfersDirect | |
| 8:59 AM Seattle, WA | 8h00 | 4:59 PM St. Louis, MO | 0 transfersDirect | |
 | 7:25 PM Seattle, WA | 9h26 | 4:51 AM St. Louis, MO | 0 transfersDirect | |
| 10:17 PM Seattle, WA | 6h29 | 4:46 AM St. Louis, MO | 0 transfersDirect | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Seattle, WA to St. Louis, MO 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.
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
Sun
Jun 28
Jun 28
Why should you book Seattle, WA to St. Louis, MO flights with Omio?
Alaska Airlines operates all flights services from Seattle, WA to St. Louis, MO.
Omio is an official ticket reseller for all your travel options from Seattle, WA to St. Louis, MO.
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 Seattle, WA to St. Louis, MO.
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 Seattle, WA to St. Louis, MO.
Airlines: Alaska Airlines from Seattle, WA to St. Louis, MOFind the best flights between Seattle, WA to St. Louis, MO with Omio's travel partners Alaska Airlines from $107 (€88). 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
3h 54m
Cheapest Price
$116 (€95)
Alaska Airlines frequency
4 a day
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 St. Louis
Things to do in St. Louis
Discover the best of St. Louis — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect St. Louis trip today.
- Must visit
City Museum
Highly original museum and artist-built environment with architectural salvage, tunnels, slides, and installations. One of the city’s most distinctive and widely shared attractions.
- Recommended
Missouri History Museum
History museum in Forest Park covering St. Louis, Missouri, and regional stories through permanent and rotating exhibitions. Well suited for visitors wanting local context.
- Must visit
Forest Park
One of the largest urban parks in the United States, home to major institutions, lakes, trails, and broad green spaces. Essential for first-time visitors.
- Must visit
Gateway Arch National Park Grounds
Riverfront grounds around the Arch with lawns, paths, and strong skyline views, useful for walking and iconic photos.
- Recommended
The Delmar Loop
Lively entertainment and walking district known for music venues, public art, shops, and the St. Louis Walk of Fame.
- Vegetarian
St. Louis-Style Pizza
A local pizza style with a very thin, cracker-like crust, cut into squares and traditionally topped with Provel cheese. It is one of the city’s signature foods.
Toasted Ravioli
Breaded and fried meat- or cheese-filled ravioli, usually served with marinara sauce. This St. Louis Italian-American specialty is strongly associated with The Hill neighborhood.
- Vegetarian
Gooey Butter Cake
A rich, dense cake with a buttery base and sweet cream cheese-like topping. It is one of the most famous desserts identified with St. Louis.
Charlie Gitto's On The Hill
A long-established Italian restaurant on The Hill, known for classic red-sauce dishes, toasted ravioli, and an old-school fine dining feel.
Ted Drewes Frozen Custard
An iconic St. Louis custard stand famous for thick concretes and nostalgic roadside charm. A must for trying the city’s best-known frozen treat.
Sidney Street Cafe
A respected contemporary American restaurant known for refined cooking, strong wine service, and a polished neighborhood setting.
United States Dollar
Generally moderate by U.S. standards. Hotels and attractions are often reasonable, while dining costs vary by neighborhood and venue.
Average meal costs
- Budget
- USD 10-18 for fast food or casual spots.
- Mid-range
- USD 20-40 per person at a mid-range restaurant.
- Fine dining
- USD 70+ per person before drinks and tip.
- Coffee
- USD 3-6 for regular coffee or a latte.
Tipping culture
Tip 18-20% at restaurants. Tip USD 1-2 per drink at bars, round up taxis, and tip hotel staff and delivery drivers.
FAQs: Seattle, WA to St. Louis, MO Flight
Find answers to the most common questions about traveling from Seattle, WA to St. Louis, MO 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 St. Louis, MO, this guide helps you travel smarter and with confidence.
Cheap plane tickets from Seattle, WA to St. Louis, MO can start from as little as $107 (€88) when you book in advance. The average flight ticket price for Seattle, WA to St. Louis, MO is $255 (€209) ; 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 Seattle, WA to St. Louis, MO is 3h 56m 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 Seattle, WA to St. Louis, MO leaves at 12:05 AM. Plan your trip with the Journey Planner from Omio.
The latest flight from Seattle, WA to St. Louis, MO leaves at 11:58 PM.
Yes, there are 2 direct flights a day from Seattle, WA to St. Louis, MO with Alaska Airlines. Schedules can vary on holidays or weekends with fewer direct flights.
When taking a flight from Seattle, WA to St. Louis, MO, you can count on Alaska Airlines for the best way to get you to St. Louis, MO. You can also check all possible airlines who offer a service between Seattle, WA and St. Louis, MO and compare the amenities they offer before buying a plane ticket.
Flights from Seattle, WA to St. Louis, MO generally leave from Seattle-Tacoma International Airport and arrive in St. Louis Lambert International Airport.Seattle-Tacoma International Airport is away from Seattle, WA city centre and St. Louis Lambert International Airport is 1 miles (2 km) from St. Louis, MO city centre.
The cheapest month for a flight from Seattle, WA to St. Louis, MO is June.
It's helpful to compare your options as there are 3 ways to travel between Seattle, WA and St. Louis, MO including taking a train, bus, and flight.
Since neither Seattle, WA nor St. Louis, MO 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 Seattle, WA and St. Louis, MO all year round.
The best events to attend in St. Louis, MO include:
- St. Louis Mardi Gras, a vibrant celebration featuring parades, live music, and festive activities in the Soulard neighborhood
- St. Louis Art Fair, an annual event showcasing local and national artists with art exhibits, live performances, and culinary delights
- Fair St. Louis, a multi-day Independence Day festival with fireworks, concerts, and family-friendly activities along the Gateway Arch.
The best holidays to experience in St. Louis, MO include:
- Independence Day, vibrant fireworks and festive celebrations throughout the city
- Labor Day, pleasant weather and various outdoor activities
- Thanksgiving, a time for family gatherings with a charming autumn atmosphere.
The best season to visit St. Louis, MO is Spring or Fall. The best weather to explore St. Louis, MO is during April-May or September-October.
We recommend using the train as it is the most popular way to get from Seattle, WA to St. Louis, MO 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 St. Louis, MO, travelers should be cautious in certain neighborhoods with higher crime rates, especially after dark. Common safety concerns include petty theft, pickpocketing, and occasional scams targeting visitors near popular attractions like the Gateway Arch. It’s advisable to stay in well-populated areas, avoid displaying valuables openly, and use reputable transportation services to minimize risks.
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 Seattle, WA to St. Louis, MO
Seattle
St. Louis
The major airport for departures 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 trip from Seattle to St. Louis.
Amenities at airport
Wifi
Shopping
Parking
Dining
ATM
Taxis
Accessibility
WC
Hotel
Shower
Lounge
Lost and Found Office
Car 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
The major airport for arrivals 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 journey to St. Louis from Seattle.
Amenities at airport
WifiShoppingParkingDiningATMTaxisAccessibilityWCHotelShowerLoungeLost and Found OfficeCar Rentalinformation
Distance to city center
2 kmCar 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
More options for your journey from Seattle, WA to St. Louis, MO
Here are some other resources that might have the information you need
Most popular flights to and from St. Louis, MO and Seattle, WA
Most popular flights to 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.
