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 | $141 (Frontier) |
One-way from | $70 (Frontier) |
Popular in | April |
Cheapest in | August |
Average price | $259 |
Good round-trip deal | $254 or less |
Good one-way deal | $121 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Dallas
IAD - DFW
IADDFW
Washington, D.C. Dulles Intl
Tue 12/16
3:38 pm-10:09 pm
1 stop7h 31m
Dallas/Fort Worth
Sun 1/18
8:15 am-2:45 pm
1 stop5h 30m
Washington, D.C.Dallas
IAD - DFW
IADDFW
Washington, D.C. Dulles Intl
Sat 2/14
5:11 pm-11:02 pm
1 stop6h 51m
Dallas/Fort Worth
Tue 2/17
2:59 pm-11:57 pm
1 stop7h 58m
Washington, D.C.Dallas
IAD - DFW
IADDFW
Washington, D.C. Dulles Intl
Sat 12/13
8:20 am-11:08 am
Nonstop3h 48m
Dallas/Fort Worth
Tue 12/16
7:25 am-11:14 am
Nonstop2h 49m
Washington, D.C.Dallas
IAD - DFW
IADDFW
Washington, D.C. Dulles Intl
Thu 12/11
5:59 pm-12:26 am
1 stop7h 27m
Dallas/Fort Worth
Mon 12/15
4:23 pm-12:12 am
1 stop6h 49m
Washington, D.C.Dallas
IAD - DFW
IADDFW
Washington, D.C. Dulles Intl
Wed 12/17
8:20 am-10:56 am
Nonstop3h 36m
Dallas/Fort Worth
Thu 12/18
12:20 pm-4:09 pm
Nonstop2h 49m
Washington, D.C.Dallas
IAD - DFW
IADDFW
Washington, D.C. Dulles Intl
Thu 12/11
5:36 pm-8:13 pm
Nonstop3h 37m
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 12/17
5:59 pm-12:22 am
1 stop7h 23m
Dallas/Fort Worth
Thu 12/18
11:34 am-5:00 pm
1 stop4h 26m
Washington, D.C.Dallas
IAD - DFW
IADDFW
Washington, D.C. Dulles Intl
Fri 1/30
8:20 am-11:09 am
Nonstop3h 49m
Dallas/Fort Worth
Sat 1/31
5:22 pm-9:09 pm
Nonstop2h 47m
Washington, D.C.Dallas
IAD - DFW
IADDFW
Washington, D.C. Dulles Intl
Fri 1/23
8:20 am-11:09 am
Nonstop3h 49m
Dallas/Fort Worth
Sat 1/31
7:25 am-11:15 am
Nonstop2h 50m
Washington, D.C.Dallas
IAD - DFW
IADDFW
Washington, D.C. Dulles Intl
Wed 1/28
7:00 am-2:01 pm
1 stop8h 01m
Dallas/Fort Worth
Mon 2/2
2:59 pm-11:57 pm
1 stop7h 58m
| 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 88 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 January is currently the most expensive (average of $207). 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 75% 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 13% of weekly flights between Washington, D.C. and Dallas have experienced delays in the past year, with the average delay time being 175 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.
Comfort
Overall
Food
Entertainment
Crew
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Overall
Food
Entertainment
Crew
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Overall
Food
Entertainment
Crew
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Overall
Food
Entertainment
Crew
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Overall
Food
Entertainment
Crew
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Overall
Food
Entertainment
Crew
Boarding
Reviews
Jim,Nov 2025
AVL - 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$162 | Average$290 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$200 | Average$370 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$298 | FlexibilityNo cancel fee | On-timeN/A |