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Journey information
Overview: Seattle, WA to St. Louis, MO flight
USAUSA
Flights from Seattle, WA to St. Louis, MO depart on average 30 times per day, taking around 3h 48m. Cheap flight tickets for this journey start at $92 (€75) 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 6h 31m. September 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 $92 (€75) |
Flights per day 30 |
Direct flights 2 |
Fastest flight 6h 31m |
Cheapest month to travel September |
First flight 00:05 |
Last flight 23:58 |
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
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 €136. 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 €136, and a train costs an average of €196.
Distance: 1720 miles (2769 km)
Compare flight with
| Flight | Most popular Train | Bus |
|---|---|---|
€189 Average price | €252 Average price | €173 Average price Cheapest |
6h 48m Average total duration Fastest 3h 48m Onboard + 3h 0m Additional time* | 57h 9m Average total duration 56h 39m Onboard + 30m Additional time* | 47h 29m Average total duration 46h 59m Onboard + 30m Additional time* |
 Most popular airline |  Most popular train company |  Most popular bus company |
Direct Options | Direct Options | Direct Options |
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.
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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 $92 (€75). 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
7 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
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 $157 (€128) when you book in advance. The average flight ticket price for Seattle, WA to St. Louis, MO is $284 (€231); 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 3 h 50 min to travel the 1716 mile (2768 km) long journey, with around there are 32 flights per day. Journey times can vary on weekends and holidays.
The earliest flight from Seattle, WA to St. Louis, MO leaves at 12: 05AM. Plan your trip with the Journey Planner from Omio.
The latest flight from Seattle, WA to St. Louis, MO leaves at 11: 58PM.
There are 32 flights a day from Seattle, WA to St. Louis, MO which require at least one change with Alaska Airlines or Spirit Airlines. Schedules can vary on holidays or weekends with fewer flights.
For the journey from Seattle, WA to St. Louis, MO you can take a flight with Alaska Airlines or Spirit Airlines. Be sure to check out all possible airlines that offer services from Seattle, WA to St. Louis, MO on Omio to compare what amenities they may have.
The cheapest month to travel from Seattle, WA to St. Louis, MO by plane is June.
You have options as you can travel between Seattle, WA and St. Louis, MO 3 different ways: train, bus or flight.
Since neither Seattle, WA nor St. Louis, MO are in the Schengen Area, passport requirements depend on the specific immigration rules of USA and USA. 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 seasons to visit St. Louis, MO are Spring or Fall. The best weather to explore St. Louis, MO is during April-May or September-October.
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.
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.
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
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Most popular flights to and from St. Louis, MO and Seattle, WA
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