$507+ Cheap flights from Twin Falls to St. Louis (TWF - STL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
TWF — STL
Nov 26 — Dec 31
1 adult, Economy
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1. Tell us where you want to go
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Cheapest flights from Twin Falls to St. LouisExplore the most affordable flight options available from Twin Falls to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.
Explore the most affordable flight options available from Twin Falls to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/153:23 pmTWF - STL
2 stops6h 59mDelta
Tue 11/182:36 pmSTL - TWF
2 stops8h 55mDelta
Deal found 10/25![Delta logo]()
$507
Cheap flight deals from Twin Falls to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Twin Falls (TWF) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 27, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $507 (Delta) |
Cheapflights Fare Finder
Customize your flight search to find flights from Twin Falls to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 27, 2025.
Use the filters below to find and compare flights from Twin Falls to St. Louis that are best for you.
Fly from
Twin Falls
Fly to
St. Louis
Route
Depart
Return
Price
Twin FallsSt. Louis
TWF - STL
TWFSTL
Twin Falls Joslin
Sat 11/15
3:23 pm-11:22 pm
2 stops6h 59m
Lambert-St Louis
Tue 11/18
2:36 pm-10:31 pm
2 stops8h 55m
$507
- Most accurate provider: When it comes to deals on Twin Falls-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Twin Falls-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Twin Falls-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Twin Falls-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Twin Falls-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Twin Falls to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Twin Falls with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Related info for your journey
Find useful and relevant information for your journey from Twin Falls to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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