STL to DFW, St. Louis Lambert International Airport to Dallas Fort Worth International Airport Cheap Flights

Find the best flight deals from St. Louis Lambert International Airport to Dallas Fort Worth International Airport

STL - DFW Flight Information

St. Louis → Dallas

Flight information between St. Louis and Dallas

Cheapest one-way flight price
US$72
Cheapest return ticket price
US$113
Cheapest month
October
Peak season for travel
July
Flight distance
881.75 km
Average flight time
2 hours 4 minutes
Popular airline
Frontier Airlines

STL - DFW Cheap Flights

Compare flight options and choose the best deal for your journey

Frontier Airlines
Frontier Airlines
F9
1 stop
1 stop
13:40
STL
26h 7m
15:47
DFW
US$117
US$73
38% OFF
Frontier Airlines
Frontier Airlines
F9
1 stop
1 stop
22:10
STL
7h 33m
05:43
DFW
US$117
US$83
28% OFF
Frontier Airlines
Frontier Airlines
F9
1 stop
1 stop
10:42
STL
6h 12m
16:54
DFW
US$117
US$83
28% OFF
Frontier Airlines
Frontier Airlines
F9
1 stop
1 stop
15:46
STL
7h 21m
23:07
DFW
US$117
US$84
28% OFF
17:04
STL
2h 16m
19:20
DFW
US$117
US$85
28% OFF
Frontier Airlines
Frontier Airlines
F9
1 stop
1 stop
19:43
STL
28h 26m
00:09
DFW
US$117
US$88
24% OFF

STL - DFW Flight Airlines

Major airlines flying this route

STL - DFW Route FAQs

Common questions about flights from STL to DFW

Based on HopeGoo data, American Airlines offers one-way fares as low as US$72 on Cheapest nonstop routes (e.g. STL to DFW on Sat, May 2), while Frontier Airlines offers Cheapest nonstop round-trips from US$113 departing on Mon, Apr 20 and returning on Mon, Apr 27.

At the moment, several airlines serve connecting flights from St. Louis to Dallas, including: Frontier Airlines Selected airlines are based on historical data collected from flight bookings made by users on HopeGoo within the last 90 days.

It takes about 2 hours 4 minutes to fly from St. Louis to Dallas.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from St. Louis to Dallas is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

To find best deals on flights from St. Louis to Dallas, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, May 2, with one-way flights priced at just US$72. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is American Airlines. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for Dallas travel is around July. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from St. Louis to Dallas is October, when demand for travel is lower.

After crunching the numbers on our March flight calendar, it's currently cheapest to fly from St. Louis to Dallas on March 10, 2026 with Frontier Airlines, with prices starting at US$161.

You can land at any one of the following hubs in Dallas, with St. Louis Lambert International Airport to Dallas Fort Worth International Airport (STL-DFW) is by far the most common option on this route: Dallas Love Field (DAL) Dallas Fort Worth International Airport (DFW).

The time difference between Dallas and St. Louis is 0h.

Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your HopeGoo, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.