Cheap Flights from St. Louis (STL) to Spokane (SFF)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Spokane, WA (SFF-Felts Field)

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Find available prices by choosing your travel dates.
Flights from St. Louis (STL) to Spokane (SFF)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Felts Field
Distance
1481 mi

St. Louis to Spokane Flights

The cheapest times to fly from St. Louis to Spokane

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 St. Louis to Spokane are during the month of . You can find some of the cheapest flights from St. Louis to Spokane with Expedia's search tool and vast selection of airlines.

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

Sunday is one of the best days to book for cheap flights from St. Louis to Spokane: 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 St. Louis to Spokane

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 St. Louis to Spokane in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 St. Louis to Spokane 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 St. Louis to Spokane 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.

Frequently asked questions

Is it cheaper to buy a plane ticket from STL to Felts Field Airport (SFF) last minute?
Being a spontaneous soul is an awesome way to travel around, but it’s not always the cleverest way to score a bargain airfare. It’s better to book your STL to Felts Field trip ahead of time rather than waiting till the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Leave your spontaneity for when you’re exploring Felts Field!
What airports do you fly into for Spokane from St. Louis?
With Felts Field Airport (SFF), Spokane Intl. Airport (GEG) and Coeur d’Alene, ID (COE) to select from, making your way from St. Louis to Spokane is a breeze. The city’s main hub, Felts Field Airport (SFF), is approximately 5 mi east of the downtown area. As well as the price of fares, consider things like transportation options from the airport and the distance to your hotel before making your choice. Get your Spokane adventure off on the right foot by visiting Gonzaga University and Spokane Arena.
Can I change the date of my flight from Lambert Field to Felts Field?
Life can throw a spanner in your plans, so Expedia is here to help make things as easy as possible. First, access your Lambert-St. Louis Intl. Airport (STL) to SFF itinerary through the Expedia Trips portal and read the fare conditions about what changes can be made. If you booked your plane ticket in the last 24 hours, some airlines will let you cancel at no cost and book new flights. If you bought your fare more than 24 hours ago, get in touch with us via our Customer Service portal to find out what your options are.

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