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International Falls

$598+ Cheap flights from St. Louis to International Falls (STL - INL)

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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — INL
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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1. Tell us where you want to go

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Cheap flight deals from St. Louis to International Falls

Cheapest flights from St. Louis to International Falls
Explore the most affordable flight options available from St. Louis to International Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Delta deal was found by Cheapflights users on 1/26. 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 6/206:45 am
STL
-
INL
2 stops11h 14m
Delta
Thu 6/2510:59 am
INL
-
STL
1 stop3h 32m
Delta
Deal found 1/26$811

Find flight deals from St. Louis to International Falls

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to International Falls (INL). 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$598
(Delta)
Provider with most accurate pricing for Lambert-St Louis-Falls Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Falls Intl flights.
Search Deals
From Lambert-St Louis to Falls Intl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to International Falls 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 January 27, 2026.
Use the filters below to find and compare flights from St. Louis to International Falls that are best for you.

Fly from

St. Louis

Fly to

International Falls

Route

Depart

Return

Price

St. LouisInternational Falls

STL - INL

STLINL

Lambert-St Louis

Wed 2/11

6:10 am-10:21 am

1 stop4h 11m

Falls Intl

Sun 2/15

11:05 am-2:54 pm

1 stop3h 49m

$598

St. LouisInternational Falls

STL - INL

STLINL

Lambert-St Louis

Sat 6/20

6:45 am-5:59 pm

2 stops11h 14m

Falls Intl

Thu 6/25

10:59 am-2:31 pm

1 stop3h 32m

$811

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Compare providers for flights from St. Louis to International Falls

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to International Falls in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-International Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-International Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-International Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-International Falls 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 St. Louis-International Falls 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 St. Louis to International Falls

Have a flexible travel schedule? Discover the best time to fly to International Falls from St. Louis 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 St. Louis to International Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from St. Louis to International Falls?

    There are many flights that can get you from St. Louis to International Falls in 4h 11m. Fly via Delta to get the fastest option. The distance between St. Louis and International Falls is about 694 mi.

  • Can I find deals for flights from St. Louis to International Falls that include hotel bookings?

    Yes. In addition to deals on St. Louis to International Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to International Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to International Falls.

  • Can I find deals for business class flights from St. Louis to International Falls?

    Yes. Cheapflights offers flight deals from St. Louis to International Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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