Security queues at IAD can be long. Pay attention to signage as not all lanes support CLEAR or TSA PreCheck.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $125 (Kiwi.com) |
One-way from | $48 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $327 |
Good round-trip deal | $203 or less |
Good one-way deal | $108 or less |
Fly from
Fly to
Route
Depart
Return
Price
BaltimoreDallas
BWI - DFW
BWIDFW
Baltimore/Washington
Mon 2/23
12:13 pm-9:44 pm
1 stop10h 31m
Dallas/Fort Worth
Thu 2/26
5:20 am-7:01 pm
1 stop12h 41m
BaltimoreDallas
BWI - DFW
BWIDFW
Baltimore/Washington
Tue 2/24
11:30 am-6:10 pm
1 stop7h 40m
Dallas/Fort Worth
Tue 2/24
7:15 pm-9:06 am
1 stop12h 51m
Washington, D.C.Dallas
DCA - DFW
DCADFW
Washington, D.C. Reagan-National
Mon 1/12
2:00 pm-6:36 pm
1 stop29h 36m
Dallas/Fort Worth
Thu 1/15
6:15 am-4:59 pm
1 stop9h 44m
BaltimoreDallas
BWI - DFW
BWIDFW
Baltimore/Washington
Fri 2/27
11:30 am-6:10 pm
1 stop7h 40m
Dallas/Fort Worth
Fri 2/27
7:15 pm-9:06 am
1 stop12h 51m
Washington, D.C.Dallas
DCA - DFW
DCADFW
Washington, D.C. Reagan-National
Sat 2/14
6:30 am-9:25 am
Nonstop3h 55m
Dallas/Fort Worth
Sat 2/28
7:02 am-10:54 am
Nonstop2h 52m
Washington, D.C.Dallas
IAD - DFW
IADDFW
Washington, D.C. Dulles Intl
Thu 2/19
5:49 pm-8:33 pm
Nonstop3h 44m
Dallas/Fort Worth
Tue 2/24
5:29 pm-9:25 pm
Nonstop2h 56m
Washington, D.C.Dallas
IAD - DFW
IADDFW
Washington, D.C. Dulles Intl
Thu 1/22
8:20 am-11:09 am
Nonstop3h 49m
Dallas/Fort Worth
Mon 1/26
12:18 pm-4:07 pm
Nonstop2h 49m
Washington, D.C.Dallas
IAD - DFW
IADDFW
Washington, D.C. Dulles Intl
Thu 1/15
12:55 pm-3:41 pm
Nonstop3h 46m
Dallas/Fort Worth
Sun 1/18
5:22 pm-9:09 pm
Nonstop2h 47m
BaltimoreDallas
BWI - DFW
BWIDFW
Baltimore/Washington
Fri 2/27
10:11 am-11:17 pm
1 stop14h 06m
Dallas/Fort Worth
Sun 3/1
7:20 am-11:22 am
Nonstop3h 02m
Washington, D.C.Dallas
DCA - DFW
DCADFW
Washington, D.C. Reagan-National
Fri 1/30
6:05 am-10:56 am
1 stop5h 51m
Dallas/Fort Worth
Fri 1/30
5:00 pm-10:57 pm
1 stop4h 57m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
To ensure you get the cheapest price possible for a flight from Washington, D.C. to Dallas/Fort Worth Airport, you should look to book at least 61 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Dallas/Fort Worth Airport (average of $59). Flying from Washington, D.C. to Dallas/Fort Worth Airport in December is currently the most expensive (average of $119). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s optimal to fly from Washington, D.C. to Dallas/Fort Worth Airport at noon. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight in the evening.
Travelers seeking maximum savings on their Washington, D.C. to Dallas/Fort Worth Airport flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from WAS to DFW are scheduled on a Wednesday (30 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).
Atlanta (ATL) – chosen by Cheapflights users on 50% of 1-stop itineraries from Washington, D.C. to Dallas/Fort Worth Airport on Cheapflights.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $210.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 6h 40m.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 18m.
About 13% of weekly flights between Washington, D.C. and Dallas have experienced delays in the past year, with the average delay time being 162 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Monday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Frontier have had the lowest number of delays on this route, with just 11% of flights being delayed.
Overall
Crew
Comfort
Boarding
Entertainment
Food
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Crew
Comfort
Boarding
Entertainment
Food
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Crew
Comfort
Boarding
Entertainment
Food
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Crew
Comfort
Boarding
Entertainment
Food
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Crew
Comfort
Boarding
Entertainment
Food
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Crew
Comfort
Boarding
Entertainment
Food
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$47 | Average$158 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$82 | Average$195 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$126 | Average$350 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$149 | Average$340 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$158 | Average$301 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$164 | Average$328 | FlexibilityNo cancel fee | On-time71% |