$113+ Cheap flights from Detroit (DTT) to Dulles Intl (IAD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — IAD
Dec 4 — Dec 111
Round-trip
1 adult, Economy
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Find cheap flights from Detroit 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
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Cheapest flights from Detroit to Dulles IntlExplore the most affordable flight options available from Detroit to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2026.
Explore the most affordable flight options available from Detroit to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2026.
This Expedia deal was found by Cheapflights users on 11/3. 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 12/19:33 pm -
1 stop24h 13m
Thu 12/311:18 am -
1 stop6h 06m
Deal found 11/3![Frontier logo]()
$156
This Delta deal was found by Cheapflights users on 11/4. 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 12/239:30 pm -
Nonstop1h 40m
Tue 1/56:01 am -
Nonstop1h 51m
Deal found 11/4![Delta logo]()
$157
This Delta deal was found by Cheapflights users on 11/3. 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.
Thu 12/109:43 pm -
Nonstop1h 40m
Mon 12/146:00 am -
Nonstop1h 45m
Deal found 11/3![Delta logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/129:45 pm -
1 stop17h 04m
Mon 1/115:30 am -
1 stop15h 38m
Deal found 11/3![Frontier logo]()
$161
This Trip.com deal was found by Cheapflights users on 11/2. 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.
Wed 12/169:33 pm -
1 stop24h 41m
Fri 12/181:55 pm -
1 stop10h 37m
Deal found 11/2![Frontier logo]()
$164
This CheapOair deal was found by Cheapflights users on 11/2. 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.
Tue 12/89:33 pm -
1 stop24h 17m
Tue 12/1512:06 pm -
1 stop5h 17m
Deal found 11/2![Frontier logo]()
$165
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/84:11 pm -
2 stops19h 00m
Wed 12/910:35 pm -
2 stops15h 01m
Deal found 11/2![Frontier logo]()
$166
This Trip.com deal was found by Cheapflights users on 11/1. 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 12/310:35 am -
1 stop9h 37m
Tue 12/83:34 pm -
1 stop19h 47m
Deal found 11/1![Frontier logo]()
$167
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:35 am -
1 stop6h 50m
Tue 12/110:33 pm -
1 stop10h 48m
Deal found 11/1![Frontier logo]()
$168
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/49:33 pm -
1 stop24h 17m
Mon 12/73:08 pm -
1 stop26h 17m
Deal found 11/1![Frontier logo]()
$169
This Expedia deal was found by Cheapflights users on 10/30. 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.
Wed 11/114:29 pm -
1 stop27h 42m
Fri 12/48:33 pm -
1 stop25h 00m
Deal found 10/30![Frontier logo]()
$170
This Frontier deal was found by Cheapflights users on 11/1. 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.
Tue 11/246:35 am -
1 stop6h 50m
Thu 11/262:10 pm -
1 stop9h 37m
Deal found 11/1![Frontier logo]()
$171
Best flights from Detroit to Dulles IntlDiscover carefully curated flight deals from Detroit to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
Discover carefully curated flight deals from Detroit to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
This Delta deal was found by Cheapflights users on 11/2. 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.
Tue 11/249:12 am -
Nonstop1h 45m
Fri 11/2711:37 am -
Nonstop1h 39m
Deal found 11/2![Delta logo]()
$157
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Fri 12/182:47 pm -
Nonstop1h 47m
Tue 12/228:30 am -
Nonstop1h 50m
Deal found 11/1![United Airlines logo]()
$241
This Delta deal was found by Cheapflights users on 10/31. 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.
Sat 11/218:25 am -
1 stop5h 29m
Fri 11/2711:37 am -
Nonstop1h 39m
Deal found 10/31![Delta logo]()
$217
This Delta deal was found by Cheapflights users on 11/3. 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.
Tue 12/19:43 pm -
Nonstop1h 40m
Tue 12/812:35 pm -
1 stop6h 19m
Deal found 11/3![Delta logo]()
$217
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/165:45 am -
Nonstop1h 36m
Mon 11/238:35 am -
Nonstop1h 43m
Deal found 10/30![United Airlines logo]()
$252
This Delta deal was found by Cheapflights users on 11/3. 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.
Thu 1/79:40 pm -
Nonstop1h 37m
Sun 1/105:27 pm -
Nonstop1h 48m
Deal found 11/3![Delta logo]()
$238
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/257:11 pm -
1 stop4h 14m
Fri 11/2712:35 pm -
Nonstop1h 44m
Deal found 11/3![United Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 11/1. 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.
Thu 11/199:12 am -
Nonstop1h 45m
Tue 11/246:00 am -
Nonstop1h 41m
Deal found 11/1![Delta logo]()
$253
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Fri 12/182:47 pm -
Nonstop1h 47m
Tue 12/2910:10 am -
1 stop5h 30m
Deal found 11/2![United Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 11/2. 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 12/239:30 pm -
Nonstop1h 40m
Sat 12/266:00 am -
Nonstop1h 46m
Deal found 11/2![Delta logo]()
$253
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 11/205:45 am -
Nonstop1h 36m
Fri 11/275:29 pm -
1 stop4h 53m
Deal found 10/30![United Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 11/1. 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.
Thu 12/37:00 am -
1 stop4h 49m
Sun 12/66:00 am -
Nonstop1h 45m
Deal found 11/1![Delta logo]()
$298
Last-minute flights from Detroit to Dulles IntlDiscover last-minute flight deals from Detroit to Dulles Intl. Data last updated November 4, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to Dulles Intl. Data last updated November 4, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 10/30. 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.
Wed 11/114:29 pm -
1 stop27h 42m
Fri 12/48:33 pm -
1 stop25h 00m
Deal found 10/30![Frontier logo]()
$170
This Frontier deal was found by Cheapflights users on 11/1. 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.
Tue 11/246:35 am -
1 stop6h 50m
Thu 11/262:10 pm -
1 stop9h 37m
Deal found 11/1![Frontier logo]()
$171
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:35 am -
1 stop6h 50m
Tue 12/110:33 pm -
1 stop10h 48m
Deal found 11/1![Frontier logo]()
$168
This Expedia deal was found by Cheapflights users on 11/3. 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 12/19:33 pm -
1 stop24h 13m
Thu 12/311:18 am -
1 stop6h 06m
Deal found 11/3![Frontier logo]()
$156
This Trip.com deal was found by Cheapflights users on 11/1. 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 12/310:35 am -
1 stop9h 37m
Tue 12/83:34 pm -
1 stop19h 47m
Deal found 11/1![Frontier logo]()
$167
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/49:33 pm -
1 stop24h 17m
Mon 12/73:08 pm -
1 stop26h 17m
Deal found 11/1![Frontier logo]()
$169
This CheapOair deal was found by Cheapflights users on 11/2. 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.
Tue 12/89:33 pm -
1 stop24h 17m
Tue 12/1512:06 pm -
1 stop5h 17m
Deal found 11/2![Frontier logo]()
$165
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/84:11 pm -
2 stops19h 00m
Wed 12/910:35 pm -
2 stops15h 01m
Deal found 11/2![Frontier logo]()
$166
This Delta deal was found by Cheapflights users on 11/3. 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.
Thu 12/109:43 pm -
Nonstop1h 40m
Mon 12/146:00 am -
Nonstop1h 45m
Deal found 11/3![Delta logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/129:45 pm -
1 stop17h 04m
Mon 1/115:30 am -
1 stop15h 38m
Deal found 11/3![Frontier logo]()
$161
This Trip.com deal was found by Cheapflights users on 11/2. 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.
Wed 12/169:33 pm -
1 stop24h 41m
Fri 12/181:55 pm -
1 stop10h 37m
Deal found 11/2![Frontier logo]()
$164
This Delta deal was found by Cheapflights users on 11/4. 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 12/239:30 pm -
Nonstop1h 40m
Tue 1/56:01 am -
Nonstop1h 51m
Deal found 11/4![Delta logo]()
$157
One-way flights from Detroit to Dulles IntlSearch for one-way flight options from Detroit to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
Search for one-way flight options from Detroit to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/102:31 pm -
2 stops24h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$113
This Super.com deal was found by Cheapflights users on 11/3. 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 12/67:50 am -
1 stop6h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$118
This Frontier deal was found by Cheapflights users on 11/3. 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.
Fri 11/276:35 am -
1 stop6h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Tue 12/12:31 pm -
2 stops24h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$122
This Super.com deal was found by Cheapflights users on 11/3. 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 11/2611:27 am -
1 stop10h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 11/3. 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.
Tue 11/176:25 am -
1 stop10h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$126
This American Airlines deal was found by Cheapflights users on 11/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/275:49 pm -
1 stop4h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![American Airlines logo]()
$129
This CheapOair deal was found by Cheapflights users on 11/3. 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.
Tue 11/246:41 am -
1 stop22h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$131
This Super.com deal was found by Cheapflights users on 11/2. 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 11/2012:37 pm -
1 stop8h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$133
This Super.com deal was found by Cheapflights users on 11/1. 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 11/192:55 pm -
1 stop8h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Frontier logo]()
$138
Find flight deals from Detroit to Dulles Intl
Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) 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 November 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $156 (Expedia) |
One-way from | $113 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $334 |
Good round-trip deal | $354 or less |
Good one-way deal | $267 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Detroit 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 November 4, 2026.
Use the filters below to find and compare flights from Detroit to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DetroitWashington, D.C.
DTW Detroit Metropolitan Wayne County - IAD Washington, D.C. Dulles Intl
DTWIAD
Detroit Metropolitan Wayne County
Wed 11/11
12:35 pm-10:21 am
1 stop21h 46m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$144
DetroitWashington, D.C.
DTW Detroit Metropolitan Wayne County - IAD Washington, D.C. Dulles Intl
DTWIAD
Detroit Metropolitan Wayne County
Tue 11/24
9:12 am-10:57 am
Nonstop1h 45m
Washington, D.C. Dulles Intl
Fri 11/27
11:37 am-1:16 pm
Nonstop1h 39m
$157
DetroitWashington, D.C.
DTW Detroit Metropolitan Wayne County - IAD Washington, D.C. Dulles Intl
DTWIAD
Detroit Metropolitan Wayne County
Sat 11/21
8:25 am-1:54 pm
1 stop5h 29m
Washington, D.C. Dulles Intl
Fri 11/27
11:37 am-1:16 pm
Nonstop1h 39m
$217
DetroitWashington, D.C.
DTW Detroit Metropolitan Wayne County - IAD Washington, D.C. Dulles Intl
DTWIAD
Detroit Metropolitan Wayne County
Tue 12/1
9:43 pm-11:23 pm
Nonstop1h 40m
Washington, D.C. Dulles Intl
Tue 12/8
12:35 pm-6:54 pm
1 stop6h 19m
$217
Quickest round-trip
DetroitWashington, D.C.
DTW Detroit Metropolitan Wayne County - IAD Washington, D.C. Dulles Intl
DTWIAD
Detroit Metropolitan Wayne County
Thu 12/10
2:55 pm-4:23 pm
Nonstop1h 28m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$233
DetroitWashington, D.C.
DTW Detroit Metropolitan Wayne County - IAD Washington, D.C. Dulles Intl
DTWIAD
Detroit Metropolitan Wayne County
Tue 1/12
7:50 pm-9:22 pm
Nonstop1h 32m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$233
DetroitWashington, D.C.
DTW Detroit Metropolitan Wayne County - IAD Washington, D.C. Dulles Intl
DTWIAD
Detroit Metropolitan Wayne County
Wed 12/2
2:55 pm-4:23 pm
Nonstop1h 28m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$233
DetroitWashington, D.C.
DTW Detroit Metropolitan Wayne County - IAD Washington, D.C. Dulles Intl
DTWIAD
Detroit Metropolitan Wayne County
Thu 12/3
7:50 pm-9:30 pm
Nonstop1h 40m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$233
DetroitWashington, D.C.
DTW Detroit Metropolitan Wayne County - IAD Washington, D.C. Dulles Intl
DTWIAD
Detroit Metropolitan Wayne County
Thu 12/31
10:15 am-11:56 am
Nonstop1h 41m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$233
DetroitWashington, D.C.
DTW Detroit Metropolitan Wayne County - IAD Washington, D.C. Dulles Intl
DTWIAD
Detroit Metropolitan Wayne County
Wed 12/16
8:55 am-10:42 am
Nonstop1h 47m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$233
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Detroit 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 Detroit to Dulles Intl in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Detroit-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 Detroit-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit-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 Detroit-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 Detroit-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 Detroit to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Detroit with our price prediction graph.
DTT-IAD
DTW-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 Detroit to Washington, D.C. Dulles Intl Airport
DTT-IAD
DTW-IAD
What is the cheapest month to book a flight from Detroit to Washington, D.C. Dulles Intl Airport?
Currently, September is the cheapest month in which you can book a flight from Detroit to Washington, D.C. Dulles Intl Airport (average of $261). Flying from Detroit to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $362). 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 DTT to IAD?
Find hourly flight availability from Detroit 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 November 4, 2026.
It’s optimal to fly from Detroit to Washington, D.C. Dulles Intl Airport in the afternoon. By choosing this option you can save up to 53% on the cost of your flight, compared to a flight at noon.
Weekly flight availability from Detroit to Washington, D.C. Dulles Intl Airport
Explore weekly flight availability from Detroit to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 4, 2026.
The most flights from DTT to IAD are scheduled on a Monday (26 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (7 on average).
How much does it cost to fly round-trip from Detroit to Washington, D.C. Dulles Intl Airport?
Airfare is below average for this route at the moment.
Detroit to Washington, D.C. Dulles Intl Airport flights typically cost between $267 and $393 in December.The cheapest round-trip price found within the last 5 days was $156 on Frontier (Dec 1-Dec 3).
How far ahead should I book a flight from Detroit to Washington, D.C. Dulles Intl Airport?
The price you pay for your flight from Detroit to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 65 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from Detroit to Washington, D.C. Dulles Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Detroit to Dulles Intl. Price data was last updated on October 31, 2026.
Travelers seeking maximum savings on their Detroit to Washington, D.C. Dulles Intl Airport flight should consider departing on Friday afternoons 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.
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 November 4, 2026.
Read through reviews of airlines operating flights from Detroit to Washington, D.C. Dulles Intl Airport, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.8
Crew
8.5
Entertainment
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentSherry,Aug 2023
ATL - DCA
Overall
7.8
Crew
8.5
Entertainment
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentSherry,Aug 2023
ATL - DCA
Overall
7.8
Crew
8.5
Entertainment
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentSherry,Aug 2023
ATL - DCA
Related info for your journey
Find useful and relevant information for your journey from Detroit 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
Chantilly
Woodbridge
Arlington
Sterling
Lanham
Reston
Herndon
Hyattsville
Springfield
Fredericksburg
Falls Church
Towson
Silver Spring
Rockville
Oxon Hill
Laurel
Clinton
Hunt Valley
Owings Mills
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Other flights to Dulles Intl
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Detroit and Dulles Intl flights
Browse other Detroit and Dulles Intl flight options. Last updated on November 4, 2026.
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Top 2 airlines flying from Detroit to Dulles Intl
Discover the top 2 airlines that operate flights from Detroit 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 November 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$181 | Average$293 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$194 | Average$316 | FlexibilityNo cancel fee | On-time69% |