$97+ Cheap flights from Dallas/Fort Worth (DFW) to Dulles Intl (IAD)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — IAD
Sep 21 — Sep 281
Round-trip
1 adult, Economy
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Find cheap flights from Dallas/Fort Worth to Dulles Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Dallas/Fort Worth to Washington, D.C. Dulles Intl are usually found in January or February, booked 81 days in advance, depart on a Friday or Saturday and return on a Friday
Cheap flight deals from Dallas/Fort Worth to Dulles Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Dallas/Fort Worth to Dulles IntlExplore the most affordable flight options available from Dallas/Fort Worth to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.
Explore the most affordable flight options available from Dallas/Fort Worth to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.
This Super.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:30 am -
Nonstop3h 03m
Wed 9/164:36 pm -
Nonstop3h 16m
Deal found 8/22![Frontier logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:30 am -
Nonstop3h 03m
Mon 9/2812:30 pm -
Nonstop3h 16m
Deal found 8/21![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:23 pm -
1 stop9h 47m
Mon 9/147:50 am -
1 stop11h 53m
Deal found 8/20![Frontier logo]()
$201
This Expedia deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:30 am -
Nonstop3h 03m
Wed 9/234:36 pm -
Nonstop3h 16m
Deal found 8/19![Frontier logo]()
$202
This Super.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:40 pm -
1 stop8h 40m
Fri 9/1112:30 pm -
Nonstop3h 16m
Deal found 8/17![Frontier logo]()
$203
This CheapOair deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:30 am -
Nonstop3h 03m
Sat 9/2612:30 pm -
Nonstop3h 16m
Deal found 8/19![Frontier logo]()
$204
This Expedia deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:25 am -
Nonstop3h 09m
Fri 10/166:00 am -
1 stop24h 18m
Deal found 8/17![Frontier logo]()
$205
This FlightHub deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:35 pm -
1 stop19h 52m
Tue 9/156:00 am -
1 stop8h 41m
Deal found 8/18![Frontier logo]()
$207
This CheapOair deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:21 am -
1 stop23h 56m
Mon 9/2110:27 am -
1 stop26h 55m
Deal found 8/18![Frontier logo]()
$208
This Super.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:30 am -
Nonstop3h 03m
Fri 9/2512:30 pm -
Nonstop3h 16m
Deal found 8/19![Frontier logo]()
$209
This Expedia deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:45 pm -
1 stop29h 24m
Mon 9/1411:12 am -
1 stop10h 29m
Deal found 8/18![Frontier logo]()
$210
Best flights from Dallas/Fort Worth to Dulles IntlDiscover carefully curated flight deals from Dallas/Fort Worth to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
Discover carefully curated flight deals from Dallas/Fort Worth to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:05 pm -
1 stop5h 37m
Mon 11/95:00 pm -
1 stop6h 04m
Deal found 8/17![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:15 am -
1 stop5h 13m
Mon 9/216:00 pm -
Nonstop3h 24m
Deal found 8/21![United Airlines logo]()
$435
This Alaska Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:25 pm -
1 stop25h 25m
Tue 10/137:02 am -
2 stops16h 53m
Deal found 8/21![Alaska Airlines logo]()
$608
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:10 am -
1 stop8h 36m
Tue 10/63:03 pm -
1 stop7h 50m
Deal found 8/20![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:20 pm -
Nonstop3h 05m
Mon 9/143:02 pm -
1 stop5h 55m
Deal found 8/17![United Airlines logo]()
$436
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:55 pm -
1 stop5h 49m
Mon 9/2810:33 pm -
2 stops24h 55m
Deal found 8/22![United Airlines logo]()
$440
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:25 am -
Nonstop2h 50m
Sun 11/86:00 pm -
Nonstop3h 39m
Deal found 8/18![United Airlines logo]()
$452
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:05 am -
1 stop5h 37m
Tue 9/85:15 pm -
1 stop5h 33m
Deal found 8/20![Delta logo]()
$541
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:20 pm -
Nonstop3h 05m
Sun 9/68:30 am -
Nonstop3h 16m
Deal found 8/20![United Airlines logo]()
$501
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:45 am -
1 stop6h 10m
Wed 8/266:00 pm -
Nonstop3h 24m
Deal found 8/19![United Airlines logo]()
$531
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:35 pm -
Nonstop3h 00m
Mon 8/315:45 pm -
1 stop6h 45m
Deal found 8/17![United Airlines logo]()
$555
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:20 pm -
Nonstop3h 05m
Thu 9/248:20 am -
Nonstop3h 18m
Deal found 8/19![United Airlines logo]()
$556
Last-minute flights from Dallas/Fort Worth to Dulles IntlDiscover last-minute flight deals from Dallas/Fort Worth to Dulles Intl. Data last updated August 22, 2026 and is based on user searches.
Discover last-minute flight deals from Dallas/Fort Worth to Dulles Intl. Data last updated August 22, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:07 pm -
2 stops9h 03m
Sat 9/129:04 pm -
1 stop10h 56m
Deal found 8/20![Frontier logo]()
$203
This Expedia deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:54 pm -
1 stop11h 23m
Mon 9/1412:30 pm -
Nonstop3h 16m
Deal found 8/18![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:23 pm -
1 stop9h 47m
Mon 9/147:50 am -
1 stop11h 53m
Deal found 8/20![Frontier logo]()
$201
This FlightHub deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:35 pm -
1 stop19h 52m
Tue 9/156:00 am -
1 stop8h 41m
Deal found 8/18![Frontier logo]()
$207
This Super.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:30 am -
Nonstop3h 03m
Wed 9/164:36 pm -
Nonstop3h 16m
Deal found 8/22![Frontier logo]()
$199
This CheapOair deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:21 am -
1 stop23h 56m
Mon 9/2110:27 am -
1 stop26h 55m
Deal found 8/18![Frontier logo]()
$208
This Super.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:30 am -
Nonstop3h 03m
Fri 9/2512:30 pm -
Nonstop3h 16m
Deal found 8/19![Frontier logo]()
$209
This Expedia deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:30 am -
Nonstop3h 03m
Wed 9/234:36 pm -
Nonstop3h 16m
Deal found 8/19![Frontier logo]()
$202
This CheapOair deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:30 am -
Nonstop3h 03m
Sat 9/2612:30 pm -
Nonstop3h 16m
Deal found 8/19![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:30 am -
Nonstop3h 03m
Mon 9/2812:30 pm -
Nonstop3h 16m
Deal found 8/21![Frontier logo]()
$200
One-way flights from Dallas/Fort Worth to Dulles IntlSearch for one-way flight options from Dallas/Fort Worth to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
Search for one-way flight options from Dallas/Fort Worth to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:48 pm -
1 stop20h 30m
Deal found 8/19![Frontier logo]()
$97
This Super.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/84:16 pm -
1 stop5h 36m
Deal found 8/18![Frontier logo]()
$98
This Trip.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:23 pm -
1 stop9h 47m
Deal found 8/20![Frontier logo]()
$99
This Trip.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:23 pm -
1 stop9h 47m
Deal found 8/21![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:30 am -
Nonstop3h 03m
Deal found 8/17![Frontier logo]()
$101
This Super.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:30 am -
1 stop22h 50m
Deal found 8/18![Frontier logo]()
$103
This Super.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:30 am -
Nonstop3h 03m
Deal found 8/17![Frontier logo]()
$105
This Priceline deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:30 am -
Nonstop3h 03m
Deal found 8/19![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/168:20 am -
Nonstop3h 15m
Deal found 8/18![Frontier logo]()
$107
This Super.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:30 am -
Nonstop3h 03m
Deal found 8/17![Frontier logo]()
$108
This Frontier deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:25 am -
Nonstop3h 09m
Deal found 8/19![Frontier logo]()
$109
Find flight deals from Dallas/Fort Worth to Dulles Intl
Discover tips and strategies to find the most affordable flight options for your journey from Dallas/Fort Worth (DFW) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $199 (Super.com) |
One-way from | $97 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $325 |
Good round-trip deal | $290 or less |
Good one-way deal | $159 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Dallas/Fort Worth to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 22, 2026.
Use the filters below to find and compare flights from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DallasWashington, D.C.
DFW Dallas/Fort Worth - IAD Washington, D.C. Dulles Intl
DFWIAD
Dallas/Fort Worth
Wed 11/4
6:05 pm-12:42 am
1 stop5h 37m
Washington, D.C. Dulles Intl
Mon 11/9
5:00 pm-10:04 pm
1 stop6h 04m
$297
DallasWashington, D.C.
DFW Dallas/Fort Worth - IAD Washington, D.C. Dulles Intl
DFWIAD
Dallas/Fort Worth
Mon 9/28
8:10 am-5:46 pm
1 stop8h 36m
Washington, D.C. Dulles Intl
Tue 10/6
3:03 pm-9:53 pm
1 stop7h 50m
$317
DallasWashington, D.C.
DFW Dallas/Fort Worth - IAD Washington, D.C. Dulles Intl
DFWIAD
Dallas/Fort Worth
Mon 9/21
5:15 am-11:28 am
1 stop5h 13m
Washington, D.C. Dulles Intl
Mon 9/21
6:00 pm-8:24 pm
Nonstop3h 24m
$435
DallasWashington, D.C.
DFW Dallas/Fort Worth - IAD Washington, D.C. Dulles Intl
DFWIAD
Dallas/Fort Worth
Thu 9/10
5:20 pm-9:25 pm
Nonstop3h 05m
Washington, D.C. Dulles Intl
Mon 9/14
3:02 pm-7:57 pm
1 stop5h 55m
$436
DallasWashington, D.C.
DFW Dallas/Fort Worth - IAD Washington, D.C. Dulles Intl
DFWIAD
Dallas/Fort Worth
Mon 9/21
5:55 pm-12:44 am
1 stop5h 49m
Washington, D.C. Dulles Intl
Mon 9/28
10:33 pm-10:28 pm
2 stops24h 55m
$440
DallasWashington, D.C.
DFW Dallas/Fort Worth - IAD Washington, D.C. Dulles Intl
DFWIAD
Dallas/Fort Worth
Sat 11/7
7:25 am-11:15 am
Nonstop2h 50m
Washington, D.C. Dulles Intl
Sun 11/8
6:00 pm-8:39 pm
Nonstop3h 39m
$452
Quickest round-trip
DallasWashington, D.C.
DFW Dallas/Fort Worth - IAD Washington, D.C. Dulles Intl
DFWIAD
Dallas/Fort Worth
Sat 9/5
5:20 pm-9:25 pm
Nonstop3h 05m
Washington, D.C. Dulles Intl
Sun 9/6
8:30 am-10:46 am
Nonstop3h 16m
$501
DallasWashington, D.C.
DFW Dallas/Fort Worth - IAD Washington, D.C. Dulles Intl
DFWIAD
Dallas/Fort Worth
Wed 8/26
6:45 am-1:55 pm
1 stop6h 10m
Washington, D.C. Dulles Intl
Wed 8/26
6:00 pm-8:24 pm
Nonstop3h 24m
$531
DallasWashington, D.C.
DFW Dallas/Fort Worth - IAD Washington, D.C. Dulles Intl
DFWIAD
Dallas/Fort Worth
Wed 9/2
10:05 am-4:42 pm
1 stop5h 37m
Washington, D.C. Dulles Intl
Tue 9/8
5:15 pm-9:48 pm
1 stop5h 33m
$541
DallasWashington, D.C.
DFW Dallas/Fort Worth - IAD Washington, D.C. Dulles Intl
DFWIAD
Dallas/Fort Worth
Mon 8/31
12:35 pm-4:35 pm
Nonstop3h 00m
Washington, D.C. Dulles Intl
Mon 8/31
5:45 pm-11:30 pm
1 stop6h 45m
$555
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Dallas/Fort Worth to Dulles Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dallas/Fort Worth to Dulles Intl in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Dallas/Fort Worth Airport-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dallas/Fort Worth Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dallas/Fort Worth Airport-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Dallas/Fort Worth Airport-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dallas/Fort Worth Airport-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Dallas/Fort Worth to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Dallas/Fort Worth with our price prediction graph.
DFW-IAD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport
Prices
Airlines
Delays
How far ahead should I book a flight from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport?
Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport (average of $198). Flying from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $372). 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.
What is the cheapest time of day to fly from DFW to IAD?
Find hourly flight availability from Dallas/Fort Worth to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 22, 2026.
When flying from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 45% versus a flight in the afternoon.
What is the cheapest day to fly from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Dallas/Fort Worth to Dulles Intl. Price data was last updated on August 22, 2026.
Travelers seeking maximum savings on their Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport flight should consider departing on Monday evenings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Dallas to Washington, D.C. delayed?
About 18% of weekly flights between Dallas and Washington, D.C. have experienced delays in the past year, with the average delay time being 145 minutes.
What is the most punctual flight time for Dallas to Washington, D.C. flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Dallas to Washington, D.C. flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 12% of flights being delayed.
The best insider tips for Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport trip
Our travel experts
Reviews of airlines servicing Dulles Intl
Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated August 22, 2026.
Read through reviews of airlines operating flights from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Comfort
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Food
7.2
Comfort
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Food
7.2
Comfort
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Food
7.2
Comfort
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Food
7.2
Comfort
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Related info for your journey
Find useful and relevant information for your journey from Dallas/Fort Worth to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Washington, D.C. Dulles Intl Airport?
Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locationsAlexandria
Owings Mills
Arlington
Tysons
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Sterling
Hanover
Laurel
Springfield
Oxon Hill
Clinton
Hunt Valley
Woodbridge
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Dallas/Fort Worth and Dulles Intl flights
Browse other Dallas/Fort Worth and Dulles Intl flight options. Last updated on August 22, 2026.
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Top 4 airlines flying from Dallas/Fort Worth to Dulles Intl
Discover the top 4 airlines that operate flights from Dallas/Fort Worth to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$75 | Average$224 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$108 | Average$360 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$189 | Average$355 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$195 | Average$361 | FlexibilityNo cancel fee | On-time69% |