IAH - IAD

$134 Find Cheap Flights from Houston George Bush Airport to Washington Dulles Airport - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from George Bush Intcntl to Dulles Intl departing on 11/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$224
Typical prices: $347-$537
Frontier
Tue 11/3Sun 11/8
IAH - IAD • 2 stops
Cheapest non-stop
$292
Typical prices: $349-$483
United Airlines
Sat 9/5Mon 9/7
IAH - IAD • Non-stop
Nonstop flights
Every day
You can fly direct with United Airlines. Average duration is 3h 08m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Top layover airports
Orlando (MCO)
Cheapest • Avg $144 (round-trip)
Charlotte (CLT)
Shortest trip • 5h 50m (one-way)
Insights
Insights
Insights
Insights
When to book
5 weeks
in advance
Our data shows that travelers who book at least 5 weeks in advance save around 44% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
August
Cheapest • 32% price drop
October
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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Flight Deals
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Expert advice
Flight Deals

Cheap Flights from George Bush Intcntl to Dulles Intl (IAH-IAD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from George Bush Intcntl to Dulles Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from George Bush Intcntl to Dulles Intl

Tue, Nov 3 - Sun, Nov 8
Frontier Logo
10:15 pm - 5:36 pmIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
18h 21m2 stops Denver Intl Atlanta Hartsfield-Jackson
Frontier Logo
9:16 pm - 7:34 amIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
11h 18m1 stop Atlanta Hartsfield-Jackson
$224Frontier
Tue, Sep 15 - Thu, Sep 17
Frontier Logo
6:28 am - 5:18 pmIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
9h 50m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
6:00 am - 2:50 pmIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
9h 50m1 stop Las Vegas Harry Reid Intl
$225Frontier
Tue, Sep 1 - Fri, Sep 4
Frontier Logo
1:45 pm - 10:07 amIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
19h 22m1 stop Orlando
Frontier Logo
8:39 pm - 10:14 pmIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
26h 35m1 stop Atlanta Hartsfield-Jackson
$225Frontier
Mon, Oct 12 - Tue, Oct 13
Frontier Logo
1:35 pm - 12:28 amIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
9h 53m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
9:16 pm - 3:05 pmIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
18h 49m1 stop Atlanta Hartsfield-Jackson
$225Frontier
Wed, Nov 11 - Fri, Nov 13
Multiple Airlines Logo
12:21 pm - 7:09 pmIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
5h 48m1 stop Orlando
Multiple Airlines Logo
6:36 pm - 10:40 amIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
17h 04m2 stops Blountville Tri Cities TN/VA Orlando
$251Multiple Airlines
Thu, Aug 27 - Sun, Aug 30
Multiple Airlines Logo
3:25 pm - 11:20 amIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
18h 55m2 stops Orlando Blountville Tri Cities TN/VA
Multiple Airlines Logo
6:20 am - 10:47 amIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
5h 27m1 stop Atlanta Hartsfield-Jackson
$273Multiple Airlines
Sat, Sep 5 - Sun, Sep 6
Delta Logo
12:12 pm - 8:05 pmIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
6h 53m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:10 am - 10:33 amIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
5h 23m1 stop Detroit Metropolitan Wayne County
$291Delta
Sat, Sep 5 - Mon, Sep 7
United Airlines Logo
7:50 pm - 11:55 pmIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
3h 05mnonstop
United Airlines Logo
10:29 pm - 12:45 amIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
3h 16mnonstop
$292United Airlines
Fri, Sep 11 - Mon, Sep 14
United Airlines Logo
8:20 pm - 12:30 amIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
3h 10mnonstop
United Airlines Logo
10:29 pm - 12:45 amIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
3h 16mnonstop
$292United Airlines
Thu, Sep 3 - Sun, Sep 6
United Airlines Logo
8:20 pm - 12:30 amIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
3h 10mnonstop
United Airlines Logo
8:31 am - 10:52 amIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
3h 21mnonstop
$292United Airlines
Booking Insights

KAYAK's insights & trends for George Bush Intcntl to Dulles Intl flights

Get data-powered insights and trends into flights from George Bush Intcntl to Dulles Intl to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport departing in November.

Flight prices are below average for this route right now.

Flights to Washington, D.C. Dulles Intl Airport from Houston George Bush Intcntl Airport usually cost between $250 and $437 in November.
The lowest price found in the past 5 days was $224 on Frontier (Nov 3-Nov 8).

What’s the cheapest day of the week to fly from Houston George Bush Airport to Washington Dulles Airport?

The average price of all round-trip flights from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Washington Dulles Airport on a Friday and more expensive on a Sunday. On your return trip to Houston George Bush Airport, you should consider flying back on a Saturday, and avoid Mondays for better deals.

What is the cheapest month to fly from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport is August, where tickets cost $303 (return) on average. On the other hand, the most expensive months are June and May, where the average cost of round-trip tickets is $602 and $557 respectively.

Can I save money by flying with a layover from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $357, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport, you should book around 5 weeks before departure, which saves you about 44% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 15 weeks before departure.

Find deals
Expert advice

Expert advice for your flight from George Bush Intcntl to Dulles Intl

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
John Walton

John Walton

Expert on IAH

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more
Stefanie Waldek

Stefanie Waldek

Expert on IAD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Read more

Good to know

Low season

February

Cheapest flight

$134
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly and prices are also 26% lower on average.
Flight from Houston George Bush Airport to Washington Dulles Airport

When to book flights from George Bush Intcntl to Dulles Intl

Are your dates flexible? Find out the best times to travel from George Bush Intcntl to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Houston George Bush Airport to Washington Dulles Airport flights

  • What is the cheapest flight from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport?

    In the last 5 days, the lowest price for a flight from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport was $134 for a one-way ticket and $224 for a round-trip.

  • Do I need a passport to fly between Houston George Bush Airport and Washington Dulles Airport?

    No, a passport isn't needed to fly from Houston George Bush Airport to Washington Dulles Airport. However, local authorities might ask for an official ID.

  • Which airports will I be using when flying from Houston George Bush Airport to Washington Dulles Airport?

    Houston George Bush Airport and Washington Dulles Airport are both served by 1 main airport. You will leave Houston George Bush Airport from Houston George Bush Intcntl and will be arriving at Washington, D.C. Dulles Intl.

  • Which airlines offer Wi-Fi service onboard planes from Houston George Bush Airport to Washington Dulles Airport?

    American Airlines, JetBlue, and United Airlines offer inflight Wi-Fi service on the Houston George Bush Airport to Washington Dulles Airport flight route.

  • Which aircraft models fly most regularly from Houston George Bush Airport to Washington Dulles Airport?

    The Boeing 737-900 is the aircraft model that flies most regularly on the Houston George Bush Airport to Washington Dulles Airport flight route.

  • Which airline alliances offer flights from Houston George Bush Airport to Washington Dulles Airport?

    Star Alliance is the only airline alliance operating flights between Houston George Bush Airport and Washington Dulles Airport.

  • On which days can I fly direct from Houston George Bush Airport to Washington Dulles Airport?

    There are nonstop flights from Houston George Bush Airport to Washington Dulles Airport on a daily basis.

  • Which is the best airline for flights from Houston to Washington, D.C., United Airlines or Frontier?

    The two airlines most popular with KAYAK users for flights from Houston to Washington, D.C. are United Airlines and Frontier. With an average price for the route of $471 and an overall rating of 7.4, United Airlines is the most popular choice. Frontier is also a great choice for the route, with an average price of $235 and an overall rating of 5.6.

  • How does KAYAK find such low prices on flights from Houston George Bush Airport to Washington Dulles Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Houston George Bush Airport to Washington Dulles Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Houston George Bush Airport to Washington Dulles Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from Houston George Bush Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Houston George Bush Airport to Washington Dulles Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington Dulles Airport with an airline and back to Houston George Bush Airport with another airline. Booking your flights between Houston George Bush Airport and IAD can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Houston George Bush Airport to Washington Dulles Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington Dulles Airport from Houston George Bush Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $279 or less one-way and $495 or less round-trip.

Prefer to fly direct from Houston George Bush Airport to Washington Dulles Airport?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Houston George Bush Intcntl to Washington, D.C. Dulles Intl.
Find which airlines fly direct from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport, which days they fly and book direct flights.

Direct departures

Houston George Bush Intcntl to Washington, D.C. Dulles Intl

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Direct returns

Washington, D.C. Dulles Intl to Houston George Bush Intcntl

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Everything you need to know for your flight from George Bush Intcntl to Dulles Intl

Information on your arrival and departure airports

Houston George Bush Airport (IAH)
Dulles Intl (IAD)