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$185 Cheap Flights from Spokane (GEG) to St. Louis (STL)

View $185 flight on Mon, Oct 26, 2026Opens in a new window

Popular airlines from Spokane International Airport (GEG) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from Spokane to St. Louis (GEG-STL)

Prices were available within the past 7 days and start at $185 for one-way flights and $369 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Oct 31 - Wed, Nov 4
GEG
Spokane
STL
St. Louis
$369 Roundtrip, found 1 hour ago
$369
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sat, Oct 31 from Spokane to St. Louis, returning Wed, Nov 4, priced at $369 found 1 hour ago
Southwest Airlines
Wed, Nov 11 - Sat, Nov 14
GEG
Spokane
STL
St. Louis
$369 Roundtrip, found 1 day ago
$369
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Wed, Nov 11 from Spokane to St. Louis, returning Sat, Nov 14, priced at $369 found 1 day ago
American Airlines
Thu, Oct 15 - Tue, Oct 27
GEG
Spokane
STL
St. Louis
$373 Roundtrip, found 4 days ago
$373
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Oct 15 from Spokane to St. Louis, returning Tue, Oct 27, priced at $373 found 4 days ago
Southwest Airlines
Tue, Nov 17 - Tue, Nov 24
GEG
Spokane
STL
St. Louis
$374 Roundtrip, found 4 hours ago
$374
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Tue, Nov 17 from Spokane to St. Louis, returning Tue, Nov 24, priced at $374 found 4 hours ago
American Airlines
Thu, Nov 12 - Sat, Nov 14
GEG
Spokane
STL
St. Louis
$375 Roundtrip, found 3 days ago
$375
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Nov 12 from Spokane to St. Louis, returning Sat, Nov 14, priced at $375 found 3 days ago
Delta
Sat, Oct 10 - Fri, Oct 16
GEG
Spokane
STL
St. Louis
$376 Roundtrip, found 2 days ago
$376
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Oct 10 from Spokane to St. Louis, returning Fri, Oct 16, priced at $376 found 2 days ago
American Airlines
Thu, Oct 22 - Fri, Oct 30
GEG
Spokane
STL
St. Louis
$378 Roundtrip, found 3 days ago
$378
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Oct 22 from Spokane to St. Louis, returning Fri, Oct 30, priced at $378 found 3 days ago
American Airlines
Tue, Nov 24 - Tue, Dec 1
GEG
Spokane
STL
St. Louis
$380 Roundtrip, found 5 days ago
$380
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Nov 24 from Spokane to St. Louis, returning Tue, Dec 1, priced at $380 found 5 days ago
United
Sat, Oct 31 - Wed, Nov 4
GEG
Spokane
STL
St. Louis
$389 Roundtrip, found 1 hour ago
$389
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Oct 31 from Spokane to St. Louis, returning Wed, Nov 4, priced at $389 found 1 hour ago
Alaska Airlines
Wed, Oct 7 - Tue, Oct 13
GEG
Spokane
STL
St. Louis
$409 Roundtrip, found 6 hours ago
$409
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Wed, Oct 7 from Spokane to St. Louis, returning Tue, Oct 13, priced at $409 found 6 hours ago

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $483
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $483

What you need to know for your flight from Spokane Intl. to Lambert-St. Louis Intl.

Spokane (GEG) to St. Louis (STL) at a glance

Travel between Spokane (GEG) and St. Louis (STL) with a selection of airlines servicing this domestic short-haul route. Explore options from both full-service and budget carriers to discover the itinerary that suits your budget, schedule, and travel plans as you experience the iconic attractions and neighborhoods of St. Louis. Get all the essential information for flights from Spokane International Airport (GEG) to Lambert-St. Louis International Airport (STL).

  • Fastest flight duration: around 4h 30m in-flight, plus roughly 1h 15m layover with one stop
  • Route distance: roughly 1,500 miles (2,410 km)
  • Flights per week: around 11 departures on average
  • Typical fares (one-way): economy tickets often range from $125–$450, depending on seasonality and how far ahead you book

Flights from Spokane International Airport (GEG) to Lambert-St. Louis International Airport (STL)

According to recent traveler bookings, here are the top airlines favored for flights from Spokane to St. Louis, particularly those with one-stop and multi-stop options. Common layover points include Denver International Airport (DEN) with about a 1 hour and 15 minute layover, Salt Lake City International Airport (SLC) offering approximately a 1 hour layover, and Minneapolis - St. Paul International Airport (MSP) which features around a 2 hour layover. These choices allow you to customize your travel experience based on price, total travel time, and cabin class to create the ideal itinerary.

  • Delta: This comprehensive airline provides one-stop flights and holds a significant share of about 42% of departures on this route. One-way fares generally fall between $125 and $465. The in-flight duration is around 4 hours and 30 minutes, with an overall travel time of approximately 6 hours and 15 minutes, including layover time.
  • Southwest Airlines: A budget-friendly option, Southwest Airlines accounts for roughly 18% of flights on this route, featuring one-stop service with one-way fares typically ranging from $125 to $400. Passengers can expect an in-flight time of 4 hours and 30 minutes and a total journey time of about 6 hours and 15 minutes, factoring in the layover.
  • United: As a full-service airline, United offers one-stop services and represents around 17% of departures on this route. One-way ticket prices generally range from $145 to $605. Travelers will spend approximately 4 hours and 30 minutes in the air, with the complete trip lasting around 6 hours and 15 minutes, including layover time.
  • Alaska Airlines: Another full-service option, Alaska Airlines provides one-stop service and accounts for about 13% of departures on this route. One-way fares typically range between $150 and $485. The in-flight duration is 4 hours and 30 minutes, and the total journey time is roughly 6 hours and 15 minutes, including layovers.
  • American Airlines: Offering a full-service experience, American Airlines provides one-stop flights and corresponds to approximately 9% of departures for this route. One-way fares usually range from $155 to $385. Expect an in-flight time of 4 hours and 30 minutes, with a total travel duration of roughly 6 hours and 15 minutes, allowing for layover time.

Travelers flying from Spokane to St. Louis can elevate their journey with upgraded options. Delta offers both first class and premium economy, while United features first class for a more refined experience.

Best time to fly from Spokane (GEG) to St. Louis (STL)

The most popular months for travelers flying from Spokane to St. Louis are March, April, and June, when peak temperatures in St. Louis reach up to 76.1°F in June. If you prefer quieter travel, consider September, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 70.9°F. For better deals, May usually offers the lowest average one-way fare around $225. Flight availability peaks in June, with approximately 14 flights per week, making it easier to find convenient departure times. January and February have the fewest flights, with approximately 9 flights per week.

  • Cheapest time to fly: May usually offers good deals with average one-way fare around $225, roughly 14% cheaper than the yearly average.
  • More budget-friendly months to fly: September, April, and June typically offer average one-way fares roughly ranging from $234 to $245.
  • Most flight options: June has the highest number of flights from Spokane to St. Louis, with approximately 14 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January31.6°F (-0.2°C)Moderately Low9$275
February34.9°F (1.6°C)Average9$292
March46.4°F (8.0°C)Moderately High11$253
April56.1°F (13.4°C)Moderately High10$238
May66.6°F (19.2°C)Average13$225
June76.1°F (24.5°C)Moderately High14$245
July78.6°F (25.9°C)Average12$294
August77.0°F (25.0°C)Average13$245
September70.9°F (21.6°C)Moderately Low11$234
October58.6°F (14.8°C)Average13$283
November46.2°F (7.9°C)Average13$276
December37.8°F (3.2°C)Moderately Low12$287

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Spokane (GEG) to St. Louis (STL)

  • Pullman to St. Louis (PUW-STL): Located approximately 64 miles from Spokane International Airport (GEG), Pullman - Moscow Regional Airport (PUW) offers convenient access for travelers heading to St. Louis.
  • Spokane to Springfield (GEG-SPI): Abraham Lincoln Capital Airport (SPI) lies about 85 miles from Lambert-St. Louis International Airport (STL), making it a viable option for flights originating in Spokane.
  • Lewiston to St. Louis (LWS-STL): Nez Perce County Regional Airport (LWS), situated around 90 miles from Spokane International Airport (GEG), provides another route for those traveling to St. Louis.

How to find the best prices for flights from Spokane (GEG) to St. Louis (STL)

Getting some of the best deals on flights from Spokane to St. Louis is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are generally available when booking at least two months in advance, although most travelers tend to book between two to eight weeks ahead. Afternoon departures from 12 PM to 6 PM usually offer lower prices, while morning flights from 5 AM to 12 PM are the most popular. Additionally, flying on Tuesday often results in cheaper fares, even though Thursday is the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Lambert-St. Louis International Airport from Spokane International Airport

St. Louis welcomes travelers from Spokane with a range of transport options based on price, convenience, and proximity. Here's how to reach St. Louis efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in St. Louis, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Lambert-St. Louis International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Lambert-St. Louis International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Lambert-St. Louis International Airport, Lambert Main Terminal Station, a metro station, is located about 0.1 miles away on foot, providing convenient access to public transportation.

Frequently asked questions

How much does a flight from Spokane, WA (GEG-Spokane Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) cost?
You can find cheap one-way flights from $185 and cheap return flights from $369 Spokane, WA (GEG-Spokane Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) with Expedia. One-way flights usually range from $146 to $955, and return flights typically cost between $332 and $1252. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Spokane, WA (GEG-Spokane Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Spokane, WA (GEG-Spokane Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
January is the cheapest month to fly from Spokane, WA (GEG) to St. Louis, MO (STL), with average round-trip fares around $344. This is about 27% lower than the average price throughout the year, as demand tends to drop after the holiday season. Other budget-friendly months include February and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Spokane, WA (GEG-Spokane Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Enter GEG to STL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Spokane, WA (GEG-Spokane Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Frontier Airlines is one of the cheapest airlines offering connecting flights from Spokane (GEG) to St. Louis (STL) with a layover in Denver Intl. (DEN), starting from around $393 for a round-trip ticket. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Spokane, WA (GEG-Spokane Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
To find a cheap flight from Spokane, WA (GEG-Spokane Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Spokane, WA (GEG-Spokane Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The ideal times to fly from Spokane, WA (GEG) to St. Louis, MO (STL) are January and September. These months are the cheapest, with return flights averaging around $344. January is a quieter travel month post-holidays, while September offers pleasant weather, making both months great for your trip.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Spokane, WA (GEG-Spokane Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The earliest flight from Spokane International Airport (GEG) to Lambert-St. Louis International Airport (STL) typically departs at around 12:55 AM, operated by American Airlines. This early departure allows you to arrive in St. Louis with plenty of time to explore. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Spokane, WA (GEG-Spokane Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The most popular departure times for flights from Spokane, WA (GEG) to St. Louis, MO (STL) are in the early morning, from 6am to 9am. About 32% of passengers prefer this time window. Many major carriers, including Delta Air Lines, Southwest Airlines, and Southwest Airlines, offer flights during this window. This timing is favored because it allows you to arrive in St. Louis with plenty of time to start your day.
How long does it take to fly from Spokane, WA (GEG-Spokane Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Flying from GEG to STL with a connection usually takes about 6 hours 20 minutes, traveling roughly 1,490 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Spokane, WA (GEG-Spokane Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
You can fly first class between GEG and STL. First class cabins are available on:

  • Delta Air Lines
  • United Airlines
  • American Airlines

How do I earn miles on a Spokane, WA (GEG-Spokane Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight with Expedia?
It's easy to earn miles on a Spokane, WA (GEG-Spokane Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for St. Louis from Spokane Intl. (GEG)?
From Spokane Intl. (GEG), you can fly into Lambert-St. Louis Intl. (STL) to reach St. Louis. Some flights may connect through major hubs like Denver Intl. (DEN), Harry Reid Intl. (LAS), Sky Harbor Intl. (PHX) before reaching St. Louis. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Spokane, WA (GEG-Spokane Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) at the last minute?
Typically, booking a last minute flight from Spokane, WA (GEG-Spokane Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Spokane, WA (GEG-Spokane Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight and hotel package?
Securing a Spokane, WA (GEG-Spokane Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) St Louis Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Spokane, WA (GEG-Spokane Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
If you booked your Spokane, WA (GEG-Spokane Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Spokane Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$365
Distance
1490 mi

Book with confidence

Spokane to St. Louis Flights

The cheapest times to fly from Spokane to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Spokane to St. Louis are during the month of October. You can find some of the cheapest flights from Spokane to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Spokane to St. Louis

Sunday is one of the best days to book for cheap flights from Spokane to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Spokane to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Spokane to St. Louis in 2026. You can also book with separate airlines for your outbound and return journeys, from $185 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Spokane to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Spokane to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Spokane to St. Louis Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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