In the afternoon and evening, IAD's check-in area can be crowded, so plan extra time for security and check-in.

Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $132 (American Airlines) |
One-way from | $65 (CheapOair) |
Popular in | April |
Cheapest in | August |
Average price | $281 |
Good round-trip deal | $236 or less |
Good one-way deal | $113 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Dallas
IAD - DFW
IADDFW
Washington, D.C. Dulles Intl
Fri 12/12
9:20 pm-7:46 am
1 stop11h 26m
Dallas/Fort Worth
Sun 12/14
6:59 pm-3:05 pm
1 stop19h 06m
Washington, D.C.Dallas
IAD - DFW
IADDFW
Washington, D.C. Dulles Intl
Thu 11/27
12:54 pm-3:30 pm
Nonstop3h 36m
Dallas/Fort Worth
Wed 12/3
7:25 am-11:14 am
Nonstop2h 49m
Washington, D.C.Dallas
IAD - DFW
IADDFW
Washington, D.C. Dulles Intl
Sat 11/15
9:00 am-1:21 pm
1 stop5h 21m
Dallas/Fort Worth
Mon 11/17
10:00 am-5:04 pm
1 stop6h 04m
Washington, D.C.Dallas
IAD - DFW
IADDFW
Washington, D.C. Dulles Intl
Wed 11/12
10:05 am-2:59 pm
1 stop5h 54m
Dallas/Fort Worth
Sat 11/15
11:31 am-5:04 pm
1 stop4h 33m
Washington, D.C.Dallas
IAD - DFW
IADDFW
Washington, D.C. Dulles Intl
Fri 12/12
5:59 pm-10:09 pm
1 stop5h 10m
Dallas/Fort Worth
Mon 12/15
5:19 am-11:35 am
1 stop5h 16m
Washington, D.C.Dallas
IAD - DFW
IADDFW
Washington, D.C. Dulles Intl
Fri 1/9
6:10 am-10:53 am
1 stop5h 43m
Dallas/Fort Worth
Mon 1/12
7:00 am-1:53 pm
1 stop5h 53m
Washington, D.C.Dallas
IAD - DFW
IADDFW
Washington, D.C. Dulles Intl
Wed 11/12
12:54 pm-3:30 pm
Nonstop3h 36m
Dallas/Fort Worth
Sun 11/16
5:35 pm-9:24 pm
Nonstop2h 49m
Washington, D.C.Dallas
IAD - DFW
IADDFW
Washington, D.C. Dulles Intl
Fri 12/12
6:00 am-11:13 am
1 stop6h 13m
Dallas/Fort Worth
Sun 12/14
7:25 am-11:14 am
Nonstop2h 49m
Washington, D.C.Dallas
IAD - DFW
IADDFW
Washington, D.C. Dulles Intl
Wed 11/5
1:00 pm-5:46 pm
1 stop5h 46m
Dallas/Fort Worth
Sat 11/8
11:28 am-4:57 pm
1 stop4h 29m
Washington, D.C.Dallas
IAD - DFW
IADDFW
Washington, D.C. Dulles Intl
Fri 11/7
12:27 pm-4:46 pm
1 stop5h 19m
Dallas/Fort Worth
Sun 11/9
6:13 pm-12:16 am
1 stop5h 03m
| 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 Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport (average of $90). Flying from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport in April is currently the most expensive (average of $172). 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.
One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 74% on airfare.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport flight should consider departing on Thursday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
About 16% of weekly flights between Washington, D.C. and Dallas have experienced delays in the past year, with the average delay time being 168 minutes.
Historically, flights departing in the morning 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 Friday has historically faced a higher average of delays compared to other days of the week.
Over the last year, UR Airlines have had the lowest number of delays on this route, with no flights being classified as delayed.
Atlanta (ATL) – chosen by Cheapflights users on 50% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport on Cheapflights.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 6h 40m.
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.
Overall
Food
Boarding
Comfort
Entertainment
Crew
Reviews
Matthew,Oct 2025
GSP - ATL
Overall
Food
Boarding
Comfort
Entertainment
Crew
Reviews
Matthew,Oct 2025
GSP - ATL
Overall
Food
Boarding
Comfort
Entertainment
Crew
Reviews
Matthew,Oct 2025
GSP - ATL
Overall
Food
Boarding
Comfort
Entertainment
Crew
Reviews
Matthew,Oct 2025
GSP - ATL
Overall
Food
Boarding
Comfort
Entertainment
Crew
Reviews
Matthew,Oct 2025
GSP - ATL
Overall
Food
Boarding
Comfort
Entertainment
Crew
Reviews
Matthew,Oct 2025
GSP - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$62 | Average$189 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$93 | Average$163 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$164 | Average$292 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$197 | Average$368 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$289 | FlexibilityNo cancel fee | On-timeN/A |