Cheap flights from IAH to IAD (George Bush Intercontinental to Washington Dulles Intl.)

Earn rewards on top of your airline miles with Orbitz Rewards

Many airlines offer flexible change policies

Sign up to receive text alerts about your trip

Cheap Flights from IAH to IAD starting at $55 One Way, $98 Round Trip

Prices starting at $98 for return flights and $55 for one-way flights to Washington Dulles Intl. were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jan 12 - Mon, Jan 19
IAH
Houston
IAD
Washington
$98 Roundtrip, found 1 day ago
$98
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Jan 12 from Houston to Washington, returning Mon, Jan 19, priced at $98 found 1 day ago
Sat, Jan 24 - Sat, Jan 31
IAH
Houston
IAD
Washington
$99 Roundtrip, found 2 days ago
$99
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sat, Jan 24 from Houston to Washington, returning Sat, Jan 31, priced at $99 found 2 days ago
Thu, Feb 26 - Mon, Mar 2
IAH
Houston
IAD
Washington
$108 Roundtrip, found 2 days ago
$108
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Feb 26 from Houston to Washington, returning Mon, Mar 2, priced at $108 found 2 days ago
Mon, Feb 9 - Mon, Feb 23
IAH
Houston
IAD
Washington
$110 Roundtrip, found 3 days ago
$110
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Feb 9 from Houston to Washington, returning Mon, Feb 23, priced at $110 found 3 days ago
Fri, Feb 27 - Mon, Mar 2
IAH
Houston
IAD
Washington
$113 Roundtrip, found 5 days ago
$113
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Fri, Feb 27 from Houston to Washington, returning Mon, Mar 2, priced at $113 found 5 days ago

Hotel Ideas near Washington Dulles Intl.

Family Friendly Hotels in Washington

Hyatt Place Chantilly Dulles Airport-South

Hyatt Place Chantilly Dulles Airport-South

3 out of 5
4994 Westone Plaza Centreville VA
$114 nightly
The price is $131 total per night from Dec 23 to Dec 24
$131 total
Dec 23 - Dec 24
Total with taxes and fees
Book a stay at this business-friendly hotel in Centreville. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful ...
8.4/10 Very Good! (1,003 reviews)
Easy to find. Check in was easy. The associate at the counter was very friendly and knowledgeable. Room was very clean and comfortable. Will definitely return.

Reviewed on Dec 11, 2025

Hyatt Place Chantilly Dulles Airport-South
Hampton Inn Washington-Dulles Int'l Airport South

Hampton Inn Washington-Dulles Int'l Airport South

2.5 out of 5
4050 Westfax Dr Chantilly VA
$84 nightly
The price is $97 total per night from Jan 11 to Jan 12
$97 total
Jan 11 - Jan 12, 2026
Total with taxes and fees
Book a stay at this business-friendly hotel in Chantilly. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful ...
8.8/10 Excellent! (1,001 reviews)
Staff was great, good breafast options, nice dumbells in the fitness room and indoor pool. Had a great stay.

Reviewed on Dec 8, 2025

Hampton Inn Washington-Dulles Int'l Airport South
Comfort Suites Dulles Airport

Comfort Suites Dulles Airport

2.5 out of 5
13980 Metrotech Dr Chantilly VA
$83 nightly
The price is $96 total per night from Dec 26 to Dec 27
$96 total
Dec 26 - Dec 27
Total with taxes and fees
Book a stay at this business-friendly hotel in Chantilly. Enjoy free breakfast, free parking, and a free airport shuttle. Our guests praise the helpful staff ...
7.6/10 Good! (999 reviews)
Quiet area

Reviewed on Nov 14, 2025

Comfort Suites Dulles Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

IAH to IAD Route Info

Origin Airport
Destination Airport
Number Of Airlines Serving
Distance
Shortest Flight Departure Time
Shortest Flight Departure Date
IAH Address & GPS
Address:
16930 JFK Boulevard
Houston TX, 77032
United States
IATA Code:
IAH
Longitude:
-95.34
Latitude:
29.983333
Time Zone:
America/Chicago
IAD Address & GPS
Address:
1 Saarinen Circle
Dulles VA, 20166
United States
IATA Code:
IAD
Longitude:
-77.447735
Latitude:
38.95315
Time Zone:
America/New_York

Frequently asked questions

Are there non-stop flights from Houston Airport to Dulles Intl. Airport?
Listen up. We're about to make your trip even better. United Airlines flies straight from Houston Airport to IAD, so you'll be starting your next awesome adventure in no time.
What is the shortest flight from Houston Airport to Washington Dulles Intl. Airport (IAD)?
The shortest flight from Houston Airport to Dulles Intl. Airport is 3 hours. Slip a few things into your carry-on to keep you amused, like the latest edition of your favorite magazine or some playing cards.
How many hours flight from George Bush Intercontinental Airport (IAH) to Dulles Intl. Airport?
Get nice and comfortable, because the average journey from Houston Airport to Dulles Intl. Airport is 3 hours and 2 minutes. Have a wine with your meal, get engrossed in a book ... There's plenty of time to sit back and enjoy the ride.
What airlines have the most flights from Houston Airport to Washington Dulles Intl. Airport (IAD)?
Are you ready to hit the "book" button on your Houston to Washington airfare? Make United Airlines your number one pick. With 152 flights each month to choose from on this route, they've got the ticket to your next inspiring adventure.

Map To Nearby Hotels

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.

More to Explore