$122+ Cheap flights from Hobby (HOU) 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — IAD
Jul 15 — Jul 221
Round-trip
1 adult, Economy
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Find cheap flights from Hobby 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 Hobby to Dulles IntlExplore the most affordable flight options available from Hobby to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.
Explore the most affordable flight options available from Hobby to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.
This Delta deal was found by Cheapflights users on 6/10. 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 10/610:05 am
HOU
- IAD
1 stop5h 31m
Delta
Tue 10/136:00 am
IAD
- HOU
1 stop7h 14m
Delta
Deal found 6/10![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 6/10. 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 9/245:26 pm
HOU
- IAD
1 stop6h 06m
Delta
Tue 9/2910:05 am
IAD
- HOU
1 stop7h 26m
Delta
Deal found 6/10![Delta logo]()
$294
This Delta deal was found by Cheapflights users on 6/12. 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 8/410:50 am
HOU
- IAD
1 stop8h 15m
Delta
Tue 8/118:28 am
IAD
- HOU
1 stop14h 37m
Delta
Deal found 6/12![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 6/10. 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 8/111:00 am
HOU
- IAD
1 stop4h 33m
Delta
Wed 8/56:00 am
IAD
- HOU
1 stop7h 16m
Delta
Deal found 6/10![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 6/12. 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 8/45:35 pm
HOU
- IAD
1 stop14h 45m
Delta
Mon 8/107:26 pm
IAD
- HOU
1 stop15h 24m
Delta
Deal found 6/12![Delta logo]()
$320
This Delta deal was found by Cheapflights users on 6/11. 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.
Fri 8/141:13 pm
HOU
- IAD
1 stop6h 42m
Delta
Mon 8/176:00 am
IAD
- HOU
1 stop7h 16m
Delta
Deal found 6/11![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 6/12. 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 7/296:00 am
HOU
- IAD
1 stop4h 37m
Delta
Wed 8/58:28 am
IAD
- HOU
1 stop8h 55m
Delta
Deal found 6/12![Delta logo]()
$332
This Delta deal was found by Cheapflights users on 6/12. 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 8/410:50 am
HOU
- IAD
1 stop8h 15m
Delta
Thu 8/66:00 am
IAD
- HOU
1 stop11h 23m
Delta
Deal found 6/12![Delta logo]()
$336
This Delta deal was found by Cheapflights users on 6/10. 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 6/301:10 pm
HOU
- IAD
1 stop5h 25m
Delta
Wed 8/2612:30 pm
IAD
- HOU
1 stop4h 55m
Delta
Deal found 6/10![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 6/13. 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 8/66:00 am
HOU
- IAD
1 stop4h 33m
Delta
Tue 8/113:03 pm
IAD
- HOU
1 stop8h 02m
Delta
Deal found 6/13![Delta logo]()
$343
This Delta deal was found by Cheapflights users on 6/11. 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 8/66:00 am
HOU
- IAD
1 stop4h 33m
Delta
Mon 8/106:00 am
IAD
- HOU
1 stop4h 50m
Delta
Deal found 6/11![Delta logo]()
$350
This Delta deal was found by Cheapflights users on 6/14. 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 7/86:00 am
HOU
- IAD
1 stop17h 41m
Delta
Tue 7/148:27 am
IAD
- HOU
1 stop14h 24m
Delta
Deal found 6/14![Delta logo]()
$351
Best flights from Hobby to Dulles IntlDiscover carefully curated flight deals from Hobby to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
Discover carefully curated flight deals from Hobby to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
This Delta deal was found by Cheapflights users on 6/10. 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 7/295:17 pm
HOU
- IAD
1 stop6h 24m
Delta
Sat 8/15:28 pm
IAD
- HOU
1 stop5h 23m
Delta
Deal found 6/10![Delta logo]()
$357
This Delta deal was found by Cheapflights users on 6/14. 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 9/2611:00 am
HOU
- IAD
1 stop5h 02m
Delta
Wed 9/3012:31 pm
IAD
- HOU
1 stop5h 00m
Delta
Deal found 6/14![Delta logo]()
$368
This Delta deal was found by Cheapflights users on 6/11. 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 6/301:10 pm
HOU
- IAD
1 stop5h 25m
Delta
Sat 7/411:17 am
IAD
- HOU
1 stop11h 26m
Delta
Deal found 6/11![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 6/14. 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 7/306:00 am
HOU
- IAD
1 stop7h 01m
Delta
Thu 8/66:00 am
IAD
- HOU
1 stop7h 16m
Delta
Deal found 6/14![Delta logo]()
$393
This Delta deal was found by Cheapflights users on 6/11. 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 11/255:35 pm
HOU
- IAD
1 stop5h 45m
Delta
Tue 12/16:00 am
IAD
- HOU
1 stop7h 14m
Delta
Deal found 6/11![Delta logo]()
$395
This Delta deal was found by Cheapflights users on 6/15. 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 7/85:17 pm
HOU
- IAD
1 stop6h 24m
Delta
Mon 7/136:00 am
IAD
- HOU
1 stop4h 45m
Delta
Deal found 6/15![Delta logo]()
$413
This Delta deal was found by Cheapflights users on 6/14. 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 8/2010:50 am
HOU
- IAD
1 stop6h 38m
Delta
Sun 8/236:00 am
IAD
- HOU
1 stop4h 50m
Delta
Deal found 6/14![Delta logo]()
$417
This Delta deal was found by Cheapflights users on 6/12. 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 9/105:35 pm
HOU
- IAD
1 stop5h 35m
Delta
Sun 9/137:00 am
IAD
- HOU
1 stop6h 04m
Delta
Deal found 6/12![Delta logo]()
$422
This Delta deal was found by Cheapflights users on 6/14. 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.
Fri 7/245:17 pm
HOU
- IAD
1 stop6h 24m
Delta
Mon 7/276:00 am
IAD
- HOU
1 stop4h 45m
Delta
Deal found 6/14![Delta logo]()
$431
This Delta deal was found by Cheapflights users on 6/12. 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.
Fri 7/1010:40 am
HOU
- IAD
1 stop5h 06m
Delta
Tue 7/286:00 am
IAD
- HOU
1 stop4h 45m
Delta
Deal found 6/12![Delta logo]()
$447
This Delta deal was found by Cheapflights users on 6/11. 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 7/16:00 am
HOU
- IAD
1 stop7h 02m
Delta
Sat 7/1110:58 am
IAD
- HOU
1 stop6h 24m
Delta
Deal found 6/11![Delta logo]()
$465
This Delta deal was found by Cheapflights users on 6/12. 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.
Fri 7/31:10 pm
HOU
- IAD
1 stop5h 25m
Delta
Sat 7/1110:58 am
IAD
- HOU
1 stop6h 24m
Delta
Deal found 6/12![Delta logo]()
$465
Last-minute flights from Hobby to Dulles IntlDiscover last-minute flight deals from Hobby to Dulles Intl. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Hobby to Dulles Intl. Data last updated June 15, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/10. 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 6/301:10 pm
HOU
- IAD
1 stop5h 25m
Delta
Wed 8/2612:30 pm
IAD
- HOU
1 stop4h 55m
Delta
Deal found 6/10![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 6/11. 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 6/301:10 pm
HOU
- IAD
1 stop5h 25m
Delta
Sat 7/411:17 am
IAD
- HOU
1 stop11h 26m
Delta
Deal found 6/11![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 6/11. 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 7/11:10 pm
HOU
- IAD
1 stop5h 25m
Delta
Wed 7/85:46 pm
IAD
- HOU
1 stop5h 05m
Delta
Deal found 6/11![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 6/11. 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 7/76:00 am
HOU
- IAD
1 stop4h 37m
Delta
Mon 7/136:00 am
IAD
- HOU
1 stop4h 45m
Delta
Deal found 6/11![Delta logo]()
$382
This Delta deal was found by Cheapflights users on 6/14. 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 7/86:00 am
HOU
- IAD
1 stop17h 41m
Delta
Tue 7/148:27 am
IAD
- HOU
1 stop14h 24m
Delta
Deal found 6/14![Delta logo]()
$351
This Delta deal was found by Cheapflights users on 6/14. 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 7/116:00 am
HOU
- IAD
1 stop12h 54m
Delta
Tue 7/148:27 am
IAD
- HOU
1 stop14h 24m
Delta
Deal found 6/14![Delta logo]()
$381
This Delta deal was found by Cheapflights users on 6/12. 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 7/145:17 pm
HOU
- IAD
1 stop6h 24m
Delta
Wed 7/2212:37 pm
IAD
- HOU
1 stop4h 45m
Delta
Deal found 6/12![Delta logo]()
$388
This Delta deal was found by Cheapflights users on 6/12. 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 7/286:00 am
HOU
- IAD
1 stop9h 46m
Delta
Wed 8/58:28 am
IAD
- HOU
1 stop8h 55m
Delta
Deal found 6/12![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 6/12. 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 7/296:00 am
HOU
- IAD
1 stop4h 37m
Delta
Wed 8/58:28 am
IAD
- HOU
1 stop8h 55m
Delta
Deal found 6/12![Delta logo]()
$332
This Delta deal was found by Cheapflights users on 6/11. 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 7/295:17 pm
HOU
- IAD
1 stop6h 24m
Delta
Sat 8/15:28 pm
IAD
- HOU
1 stop5h 23m
Delta
Deal found 6/11![Delta logo]()
$357
This Delta deal was found by Cheapflights users on 6/14. 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 7/306:00 am
HOU
- IAD
1 stop7h 01m
Delta
Thu 8/66:00 am
IAD
- HOU
1 stop7h 16m
Delta
Deal found 6/14![Delta logo]()
$393
This Delta deal was found by Cheapflights users on 6/12. 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.
Fri 7/316:00 am
HOU
- IAD
1 stop4h 37m
Delta
Mon 8/107:26 pm
IAD
- HOU
1 stop15h 24m
Delta
Deal found 6/12![Delta logo]()
$394
One-way flights from Hobby to Dulles IntlSearch for one-way flight options from Hobby to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
Search for one-way flight options from Hobby to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/14. 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.
Sun 8/27:03 pm
HOU
- IAD
1 stop19h 37m
Allegiant Air
Deal found 6/14![Allegiant Air logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/307:03 pm
HOU
- IAD
1 stop19h 37m
Allegiant Air
Deal found 6/12![Allegiant Air logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Sun 7/57:03 pm
HOU
- IAD
1 stop19h 37m
Allegiant Air
Deal found 6/13![Allegiant Air logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Sun 7/127:03 pm
HOU
- IAD
1 stop19h 37m
Allegiant Air
Deal found 6/12![Allegiant Air logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/167:03 pm
HOU
- IAD
1 stop19h 37m
Allegiant Air
Deal found 6/12![Allegiant Air logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 6/256:39 pm
HOU
- IAD
1 stop19h 58m
Allegiant Air
Deal found 6/10![Allegiant Air logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Sun 6/286:34 pm
HOU
- IAD
1 stop20h 03m
Allegiant Air
Deal found 6/11![Allegiant Air logo]()
$157
Find flight deals from Hobby to Dulles Intl
Discover tips and strategies to find the most affordable flight options for your journey from Hobby (HOU) 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 June 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $267 (Delta) |
One-way from | $122 (Kiwi.com) |
Popular in | February |
Cheapest in | October |
Average price | $457 |
Cheapflights Fare Finder
Customize your flight search to find flights from Hobby 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 2,558,603 searches. Data last updated June 15, 2026.
Use the filters below to find and compare flights from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HoustonWashington, D.C.
HOU - IAD
HOUIAD
Houston Hobby
Wed 7/29
5:17 pm-12:41 am
1 stop6h 24m
Washington, D.C. Dulles Intl
Sat 8/1
5:28 pm-9:51 pm
1 stop5h 23m
$357
HoustonWashington, D.C.
HOU - IAD
HOUIAD
Houston Hobby
Sat 9/26
11:00 am-5:02 pm
1 stop5h 02m
Washington, D.C. Dulles Intl
Wed 9/30
12:31 pm-4:31 pm
1 stop5h 00m
$368
HoustonWashington, D.C.
HOU - IAD
HOUIAD
Houston Hobby
Tue 6/30
1:10 pm-7:35 pm
1 stop5h 25m
Washington, D.C. Dulles Intl
Sat 7/4
11:17 am-9:43 pm
1 stop11h 26m
$389
HoustonWashington, D.C.
HOU - IAD
HOUIAD
Houston Hobby
Thu 7/30
6:00 am-2:01 pm
1 stop7h 01m
Washington, D.C. Dulles Intl
Thu 8/6
6:00 am-12:16 pm
1 stop7h 16m
$393
HoustonWashington, D.C.
HOU - IAD
HOUIAD
Houston Hobby
Wed 11/25
5:35 pm-12:20 am
1 stop5h 45m
Washington, D.C. Dulles Intl
Tue 12/1
6:00 am-12:14 pm
1 stop7h 14m
$395
HoustonWashington, D.C.
HOU - IAD
HOUIAD
Houston Hobby
Wed 7/8
5:17 pm-12:41 am
1 stop6h 24m
Washington, D.C. Dulles Intl
Mon 7/13
6:00 am-9:45 am
1 stop4h 45m
$413
HoustonWashington, D.C.
HOU - IAD
HOUIAD
Houston Hobby
Thu 8/20
10:50 am-6:28 pm
1 stop6h 38m
Washington, D.C. Dulles Intl
Sun 8/23
6:00 am-9:50 am
1 stop4h 50m
$417
HoustonWashington, D.C.
HOU - IAD
HOUIAD
Houston Hobby
Thu 9/10
5:35 pm-12:10 am
1 stop5h 35m
Washington, D.C. Dulles Intl
Sun 9/13
7:00 am-12:04 pm
1 stop6h 04m
$422
HoustonWashington, D.C.
HOU - IAD
HOUIAD
Houston Hobby
Fri 7/24
5:17 pm-12:41 am
1 stop6h 24m
Washington, D.C. Dulles Intl
Mon 7/27
6:00 am-9:45 am
1 stop4h 45m
$431
Quickest round-trip
HoustonWashington, D.C.
HOU - IAD
HOUIAD
Houston Hobby
Fri 7/10
10:40 am-4:46 pm
1 stop5h 06m
Washington, D.C. Dulles Intl
Tue 7/28
6:00 am-9:45 am
1 stop4h 45m
$447
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Hobby 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 Hobby to Dulles Intl in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Houston Hobby 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 Houston Hobby 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 Houston Hobby 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 Houston Hobby 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 Houston Hobby 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 Hobby to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Hobby with our price prediction graph.
HOU-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 Houston Hobby Airport to Washington, D.C. Dulles Intl Airport
Prices
Delays
How far ahead should I book a flight from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport?
To ensure you get the cheapest price possible for a flight from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport, you should look to book at least 59 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.
What is the cheapest month to book a flight from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport?
Currently, October is the cheapest month in which you can book a flight from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport (average of $257). Flying from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport in February is currently the most expensive (average of $744). 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.
How much does it cost to fly round-trip from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport?
How often are flights from Houston to Washington, D.C. delayed?
About 28% of weekly flights between Houston and Washington, D.C. have experienced delays in the past year, with the average delay time being 66 minutes.
What is the most punctual flight time for Houston to Washington, D.C. flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
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 June 15, 2026.
Get a feel of what it's like to fly with United Airlines and Frontier from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Crew
8.1
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Overall
7.4
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Crew
8.1
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Overall
7.4
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Crew
8.1
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Related info for your journey
Find useful and relevant information for your journey from Hobby 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
Tysons
Owings Mills
Springfield
Arlington
Reston
Rockville
Herndon
Fredericksburg
Laurel
Hyattsville
Manassas
Hanover
Chantilly
Lanham
Falls Church
Waldorf
Silver Spring
Largo
Clinton
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Other flights to Dulles Intl
Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 15, 2026.
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Hobby and Dulles Intl flights
Browse other Hobby and Dulles Intl flight options. Last updated on June 15, 2026.
Other flights from Hobby
Browse through other flights departing from Hobby. Flights are based on user searches made on Cheapflights and were last updated on June 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Hobby to Dulles Intl
Discover the top 2 airlines that operate flights from Hobby 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 2,558,603 searches. Data last updated June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$217 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$243 | Average$428 | FlexibilityNo cancel fee | On-time69% |