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C$89 Cheap Flights from Dallas Fort Worth International (DFW) to St Louis (STL)

Compare Dallas Fort Worth International to St Louis flight deals

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Flight deals from Dallas Fort Worth International to St Louis

Looking for a cheap last-minute deal or the best return flight from Dallas Fort Worth International Airport to St Louis Airport? If you want to travel next month, return fares start from C$159. Find the lowest prices on one-way and return tickets right here.
St Louis.C$88 per passenger.Departing Mon., Aug. 24.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Dallas Fort Worth International on Mon., Aug. 24, arriving in St Louis.Price includes taxes and charges.From C$88, select.
St Louis.C$91 per passenger.Departing Tue., Jul. 28.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Dallas Fort Worth International on Tue., Jul. 28, arriving in St Louis.Price includes taxes and charges.From C$91, select.
St Louis.C$96 per passenger.Departing Thu., Jun. 18.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Dallas Fort Worth International on Thu., Jun. 18, arriving in St Louis.Price includes taxes and charges.From C$96, select.
St Louis.C$112 per passenger.Departing Thu., Sep. 3.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Dallas Fort Worth International on Thu., Sep. 3, arriving in St Louis.Price includes taxes and charges.From C$112, select.
St Louis.C$154 per passenger.Departing Thu., Oct. 1.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Dallas Fort Worth International on Thu., Oct. 1, arriving in St Louis.Price includes taxes and charges.From C$154, select.
St Louis.C$186 per passenger.Departing Sun., Nov. 8.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Dallas Fort Worth International on Sun., Nov. 8, arriving in St Louis.Price includes taxes and charges.From C$186, select.
St Louis.C$196 per passenger.Departing Tue., Jan. 5.One-way flight with Delta.Outbound indirect flight with Delta, departs from Dallas Fort Worth International on Tue., Jan. 5, arriving in St Louis.Price includes taxes and charges.From C$196, select.
St Louis.C$214 per passenger.Departing Mon., Dec. 28.One-way flight with Delta.Outbound indirect flight with Delta, departs from Dallas Fort Worth International on Mon., Dec. 28, arriving in St Louis.Price includes taxes and charges.From C$214, select.
St Louis.C$279 per passenger.Departing Thu., May 28.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Dallas Fort Worth International on Thu., May 28, arriving in St Louis.Price includes taxes and charges.From C$279, select.
St Louis.C$328 per passenger.Departing Thu., May 28.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Dallas Fort Worth International on Thu., May 28, arriving in St Louis.Price includes taxes and charges.From C$328, select.
St Louis.C$467 per passenger.Departing Thu., Mar. 25.One-way flight with Delta.Outbound indirect flight with Delta, departs from Dallas Fort Worth International on Thu., Mar. 25, arriving in St Louis.Price includes taxes and charges.From C$467, select.

Find the cheapest month to fly from Dallas Fort Worth International to St Louis from C$89 one-way

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Dallas Fort Worth International to St Louis flights are currently cheapest in August.
May
from C$279
Jun.
from C$96
Jul.
from C$91
Aug.
from C$88
Sep.
from C$112
Oct.
from C$154
Nov.
from C$186
Dec.
from C$214
Jan.
from C$196
Feb.
Find prices
Mar.
from C$467
Apr.
Find prices

Which airlines fly from Dallas Fort Worth International to St Louis?

Dallas Fort Worth International to St Louis: Alternative routes

Compare routes from Dallas Fort Worth International to St Louis below. You may find an airport to fly into that's cheaper, faster, or easier than St Louis.

St Louis

20km from central St Louis
ClosestCheapest
from C$89
Search flights

Belleville

32km from central St Louis
from C$328
Search flights

Sparta Community

69km from central St Louis
Search flights

Dallas to St Louis: Flight information

The things to know before you go.
Cheapest flight foundC$88
Cheapest month to flyAugust
Average flight time1 hr, 50 mins
Most popular airlineAmerican Airlines
Average flights per week349

Finding cheap flights from Dallas Fort Worth International to St Louis: Frequently asked questions

The best price we found for a return flight from Dallas Fort Worth International to St Louis is C$159. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 50 minutes is the average flight time from Dallas Fort Worth International to St Louis.
American Airlines, Alaska Airlines and Qatar Airways fly direct from Dallas Fort Worth International to St Louis.
As of May 2026, there are 349 flights per week flying from Dallas Fort Worth International to St Louis.
The cheapest month to fly from Dallas Fort Worth International to St Louis is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dallas Fort Worth International Airport to St Louis Airport on Tuesday, June 16, 2026.
Yes – the average flight time is 1 hour and 50 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to St Louis but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to St Louis is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to St Louis.

Flying from Dallas/Fort Worth International Airport (DFW) to Lambert-St. Louis International Airport (STL): what you need to know

  • On average, direct flights from Dallas/Fort Worth International Airport to Lambert-St. Louis International Airport take 1 hour 54 minutes. St Louis and Dallas share the same timezone (UTC-5), meaning you won't have to change your watch when you arrive.

  • You can choose from 62 weekly flights from Dallas/Fort Worth International Airport to Lambert-St. Louis International Airport. The 05:00 departure with American Airlines is the earliest flight you can take between DFW and STL. American Airlines operates the latest service of the day at 21:10 if early starts aren't your thing.

  • Getting on a plane during a peak time like July? Popular seasons (like spring break, summer and New Year) can add another hour at check-in and security. Be extra safe and arrive up to four hours before international flights and two hours before a domestic departure.

  • American Airlines runs direct flights from Dallas/Fort Worth International Airport to Lambert-St. Louis International Airport. Book with this popular airline, then get ready to tick off the sights in St Louis — plus maybe even more of United States if time allows.

  • To break up your flight from Dallas/Fort Worth International Airport to Lambert-St. Louis International Airport, add a stopover to your trip. Just uncheck 'Direct flights only' and find a destination that catches your eye. The top stopovers on the DFW - STL route include:

    • Tulsa International Airport

    • Will Rogers World Airport

    • Nashville International Airport

How to find the cheapest flights from Dallas/Fort Worth International Airport (DFW) to Lambert-St. Louis International Airport (STL)

  • The lowest price we've found for a one-way ticket from Dallas/Fort Worth International Airport to Lambert-St. Louis International Airport is C$89. For a return flight on this route, the best price is C$159. Depending on the availability and when you book, these fares can change.

  • Score cheap flight tickets from DFW to STL by booking at least 11 months ahead. According to our research, that's the sweet spot for finding a bargain.

  • The cheapest month for flight tickets from Dallas/Fort Worth International Airport to Lambert-St. Louis International Airport is July. Use the 'Whole month' tool to find the lowest prices if you have a flexible schedule.

  • Create a Price Alert for cheap flight tickets from DFW to STL. You don't need to check every day to find out if airfares have fallen. We'll update you as soon as the price changes.

  • Play around with filters to find the ideal journey for you. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Dallas/Fort Worth International Airport to Lambert-St. Louis International Airport, use the 'Sort by' tool. You can also filter by departure and arrival times, airline, and number of stops.

Handy information about Dallas/Fort Worth International Airport (DFW)

  • Traveling from central Dallas to Dallas/Fort Worth International Airport takes about 3 hours and 55 minutes on public transport. If you ride-share, drive or take a cab, you'll cover the 32 kilometres in 26 minutes or so, depending on traffic conditions.

  • Booked an early flight from Dallas/Fort Worth International Airport to Lambert-St. Louis International Airport? Avoid the last-minute rush to the terminal (and catch some extra z's) by choosing one of these hotels near DFW:

Arriving at Lambert-St. Louis International Airport (STL)

Getting from Lambert-St. Louis International Airport (STL) to central St Louis

  • From Lambert-St. Louis International Airport, St Louis is approximately 26 kilometres away. It takes around 21 minutes to get to the center driving.

  • When traveling on public transport, expect a journey of around 36 minutes.

When to fly to Lambert-St. Louis International Airport (STL)

  • The quietest month for a flight from Dallas/Fort Worth International Airport to Lambert-St. Louis International Airport is April, while July is the most popular. Choose the ideal time to visit St Louis based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in St Louis is July, with the temperature ranging between 17ºC and 33ºC. Lock in your flights from Dallas/Fort Worth International Airport to Lambert-St. Louis International Airport in this month if this is the kind of weather you like.

  • January sees average temperatures of between -8ºC and 7ºC. Look for cheap flight tickets from DFW to STL sometime then if you like traveling in cooler conditions.

More about St Louis

  • As soon as you've booked your flights from DFW to STL, you'll want to find somewhere to stay in St Louis. Make one of these accommodation options your base for exploring this exciting destination:

  • All great journeys should include a little sightseeing. The Gateway Arch, Forest Park and St. Louis Zoo are attractions you won't want to skip in St Louis.

Complete your St Louis trip with hotels and a car rental

  • You've locked in your cheap ticket to Lambert-St. Louis International Airport — now it's time to find a place to stay, and perhaps even your own set of wheels. We've compared prices across hundreds of companies to bring you the top hotels and car rental deals in St Louis.

Plan the rest of your trip from Dallas to St Louis

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.