$100 Cheap Flights from Fargo (FAR) to St. Louis (STL)

View $100 flight on Thu, May 29, 2025Opens in a new window

Popular airlines from Hector Intl. Airport (FAR) to St. Louis Lambert Intl. Airport (STL)

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Find available prices by choosing your travel dates.

Cheap Flights from Fargo to St. Louis (FAR-STL)

Prices were available within the past 7 days and start at $100 for one-way flights and $198 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, May 29 - Wed, Jun 4
FAR
Fargo
STL
St. Louis
$198 Roundtrip, found 17 hours ago
$198
Roundtrip
found 17 hours ago
Select Frontier Airlines flight, departing Thu, May 29 from Fargo to St. Louis, returning Wed, Jun 4, priced at $198 found 17 hours ago
Frontier Airlines
Sun, May 4 - Wed, May 7
FAR
Fargo
STL
St. Louis
$200 Roundtrip, found 2 days ago
$200
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sun, May 4 from Fargo to St. Louis, returning Wed, May 7, priced at $200 found 2 days ago
Delta
Sat, May 24 - Wed, May 28
FAR
Fargo
STL
St. Louis
$217 Roundtrip, found 1 day ago
$217
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, May 24 from Fargo to St. Louis, returning Wed, May 28, priced at $217 found 1 day ago
Frontier Airlines
Thu, Jun 5 - Sat, Jun 7
FAR
Fargo
STL
St. Louis
$218 Roundtrip, found 1 day ago
$218
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Jun 5 from Fargo to St. Louis, returning Sat, Jun 7, priced at $218 found 1 day ago
Frontier Airlines
Thu, May 1 - Wed, May 7
FAR
Fargo
STL
St. Louis
$220 Roundtrip, found 2 days ago
$220
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, May 1 from Fargo to St. Louis, returning Wed, May 7, priced at $220 found 2 days ago
United
Fri, May 30 - Sat, Jun 7
FAR
Fargo
STL
St. Louis
$224 Roundtrip, found 1 day ago
$224
Roundtrip
found 1 day ago
Select United flight, departing Fri, May 30 from Fargo to St. Louis, returning Sat, Jun 7, priced at $224 found 1 day ago
American Airlines
Fri, May 30 - Sat, Jun 7
FAR
Fargo
STL
St. Louis
$224 Roundtrip, found 1 day ago
$224
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, May 30 from Fargo to St. Louis, returning Sat, Jun 7, priced at $224 found 1 day ago
American Airlines
Wed, May 21 - Wed, May 28
FAR
Fargo
STL
St. Louis
$225 Roundtrip, found 2 days ago
$225
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, May 21 from Fargo to St. Louis, returning Wed, May 28, priced at $225 found 2 days ago
United
Fri, May 30 - Sat, Jun 7
FAR
Fargo
STL
St. Louis
$228 Roundtrip, found 1 day ago
$228
Roundtrip
found 1 day ago
Select United flight, departing Fri, May 30 from Fargo to St. Louis, returning Sat, Jun 7, priced at $228 found 1 day ago
Frontier Airlines
Thu, May 22 - Sat, Jun 7
FAR
Fargo
STL
St. Louis
$230 Roundtrip, found 1 day ago
$230
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, May 22 from Fargo to St. Louis, returning Sat, Jun 7, priced at $230 found 1 day ago
Flights from Fargo (FAR) to St. Louis (STL)
Origin airport
Hector Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$198
Distance
652 mi

Fargo to St. Louis Flights

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

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

Sunday is one of the best days to book for cheap flights from Fargo 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 Fargo 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 Fargo to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $100 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 Fargo 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 Fargo 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.

Frequently asked questions

How much does a flight from Hector Intl. Airport (FAR) to Lambert-St. Louis Intl. Airport (STL) cost?
Discover the latest flight deals from FAR to STL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from FAR to STL?
The cheapest flights from FAR to STL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from FAR to STL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from FAR to STL. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Hector Intl. Airport (FAR) to Lambert-St. Louis Intl. Airport (STL)?
There are no daily nonstop flights departing from Hector Intl. Airport (FAR) to Lambert-St. Louis Intl. Airport (STL). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you’ll be on your way before you know it.
What day of the week has the most flights from FAR to STL?
You’ll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Hector Intl. Airport (FAR) to Lambert-St. Louis Intl. Airport (STL)?
Choose a flight from Hector Intl. Airport (FAR) to Lambert-St. Louis Intl. Airport (STL) that takes off before 3 PM to reduce the risk of cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Hector Intl. Airport (FAR) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Holding off until right before your break to book a flight from FAR to STL often results in higher prices. Although you may find some last-minute deals, they aren’t always guaranteed. Be flexible with your itinerary for a better chance of snagging a bargain.
Is it cheaper to book a FAR to STL flight and hotel package?
You’ll generally save money by securing a FAR to STL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s easy to manage everything in one convenient place. After choosing your ideal accommodations and flights, consider adding extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Hector Intl. Airport (FAR) to Lambert-St. Louis Intl. Airport (STL)?
It’s generally possible to cancel or reschedule your FAR to STL flight. However, if it’s been more than 24 hours since booking, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are allowed and whether any costs are involved. You’ll also find more information on our Customer Service portal.

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*Available to One Key members.