Expect long security queues at IAD, especially in the afternoon. Plan ahead to ensure a smooth departure experience.

Round-trip from | $132 (Kiwi.com) |
|---|---|
One-way from | $65 (Frontier) |
Popular in | April |
Cheapest in | August |
Average price | $281 |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Dallas
IAD - DFW
IADDFW
Washington, D.C. Dulles Intl
Mon 12/8
5:36 pm-8:13 pm
Nonstop3h 37m
Dallas/Fort Worth
Thu 12/11
7:25 am-11:14 am
Nonstop2h 49m
Washington, D.C.Dallas
IAD - DAL
IADDAL
Washington, D.C. Dulles Intl
Thu 12/4
7:35 pm-11:56 pm
1 stop5h 21m
Dallas Love Field
Sun 12/7
6:05 am-11:35 am
1 stop4h 30m
Washington, D.C.Dallas
IAD - DAL
IADDAL
Washington, D.C. Dulles Intl
Wed 12/3
7:35 pm-11:56 pm
1 stop5h 21m
Dallas Love Field
Mon 12/8
3:59 pm-9:29 pm
1 stop4h 30m
Washington, D.C.Dallas
IAD - DAL
IADDAL
Washington, D.C. Dulles Intl
Thu 12/4
10:08 am-3:10 pm
1 stop6h 02m
Dallas Love Field
Mon 12/8
3:59 pm-9:29 pm
1 stop4h 30m
Washington, D.C.Dallas
IAD - DFW
IADDFW
Washington, D.C. Dulles Intl
Mon 12/8
5:03 pm-9:57 pm
1 stop5h 54m
Dallas/Fort Worth
Thu 12/11
6:21 pm-12:12 am
1 stop4h 51m
Washington, D.C.Dallas
IAD - DFW
IADDFW
Washington, D.C. Dulles Intl
Thu 12/4
7:35 pm-12:22 am
1 stop5h 47m
Dallas/Fort Worth
Mon 12/8
6:21 pm-12:12 am
1 stop4h 51m
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 1/23
6:00 am-10:56 am
1 stop5h 56m
Dallas/Fort Worth
Mon 1/26
5:25 am-11:44 am
1 stop5h 19m
Washington, D.C.Dallas
IAD - DAL
IADDAL
Washington, D.C. Dulles Intl
Thu 12/11
7:40 am-4:05 pm
1 stop9h 25m
Dallas Love Field
Mon 12/15
12:25 pm-10:00 pm
1 stop8h 35m
Washington, D.C.Dallas
IAD - DAL
IADDAL
Washington, D.C. Dulles Intl
Thu 11/13
5:05 am-12:00 pm
1 stop7h 55m
Dallas Love Field
Mon 11/17
12:25 pm-10:00 pm
1 stop8h 35m
To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Dallas, you should look to book at least 85 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, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Dallas (average of $80). Flying from Washington, D.C. Dulles Intl Airport to Dallas 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 is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 51% on airfare.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Dallas 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.
The most flights from IAD to A78 are scheduled on a Sunday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).
Overall
Comfort
Crew
Food
Entertainment
Boarding
Reviews
Matthew,Oct 2025
GSP - ATL
Overall
Comfort
Crew
Food
Entertainment
Boarding
Reviews
Matthew,Oct 2025
GSP - ATL
Overall
Comfort
Crew
Food
Entertainment
Boarding
Reviews
Matthew,Oct 2025
GSP - ATL
Overall
Comfort
Crew
Food
Entertainment
Boarding
Reviews
Matthew,Oct 2025
GSP - ATL
Overall
Comfort
Crew
Food
Entertainment
Boarding
Reviews
Matthew,Oct 2025
GSP - ATL
Overall
Comfort
Crew
Food
Entertainment
Boarding
Reviews
Matthew,Oct 2025
GSP - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$62 | Average$189 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$78 | Average$187 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$164 | Average$291 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$200 | Average$369 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$236 | Average$306 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$256 | Average$377 | FlexibilityNo cancel fee | On-time63% |