HOU - IAD

$142 Find Cheap Flights from Houston Hobby 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 Hobby to Dulles Intl departing on 7/30. 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
$287
Typical prices: $245-$604
Delta
Fri 8/7Mon 8/17
HOU - IAD • 1 stop
Cheapest one-way
$142
Typical prices: $252-$410
Allegiant Air
Thu 7/30
HOU - IAD • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Hobby and Dulles Intl. You'll need at least 1 connection.
Insights
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Top layover airports
Atlanta (ATL)
Cheapest • Avg $261 (round-trip)
Charlotte (CLT)
Shortest trip • 5h 37m (one-way)
Insights
Insights
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When to travel
October
Cheapest • 31% price drop
October
Most popular
Good to know
Good to know
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We hope you love your trip to Dulles Intl!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Hobby to Dulles Intl (HOU-IAD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Hobby 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 Hobby to Dulles Intl

Fri, Aug 7 - Mon, Aug 17
Delta Logo
6:00 am - 11:33 am
HOU
-
IAD
4h 33m
1 stop
Delta Logo
5:47 pm - 10:05 pm
IAD
-
HOU
5h 18m
1 stop
$287Delta
Thu, Aug 13 - Wed, Aug 19
Delta Logo
6:00 am - 11:33 am
HOU
-
IAD
4h 33m
1 stop
Delta Logo
6:00 am - 9:50 am
IAD
-
HOU
4h 50m
1 stop
$289Delta
Fri, Aug 7 - Fri, Aug 14
Delta Logo
10:50 am - 6:28 pm
HOU
-
IAD
6h 38m
1 stop
Delta Logo
6:00 am - 9:50 am
IAD
-
HOU
4h 50m
1 stop
$295Delta
Sat, Aug 8 - Tue, Aug 18
Delta Logo
10:50 am - 4:42 pm
HOU
-
IAD
4h 52m
1 stop
Delta Logo
5:47 pm - 10:05 pm
IAD
-
HOU
5h 18m
1 stop
$296Delta
Thu, Sep 3 - Tue, Sep 8
Delta Logo
5:20 pm - 12:34 am
HOU
-
IAD
6h 14m
1 stop
Delta Logo
6:09 pm - 10:40 pm
IAD
-
HOU
5h 31m
1 stop
$305Delta
Mon, Sep 28 - Tue, Sep 29
Delta Logo
6:00 am - 11:31 am
HOU
-
IAD
4h 31m
1 stop
Delta Logo
12:26 pm - 4:31 pm
IAD
-
HOU
5h 05m
1 stop
$307Delta
Mon, Aug 17 - Thu, Aug 20
Delta Logo
6:00 am - 11:33 am
HOU
-
IAD
4h 33m
1 stop
Delta Logo
10:16 am - 4:25 pm
IAD
-
HOU
7h 09m
1 stop
$317Delta
Wed, Aug 5 - Fri, Aug 7
Delta Logo
5:20 pm - 12:34 am
HOU
-
IAD
6h 14m
1 stop
Delta Logo
5:47 pm - 10:05 pm
IAD
-
HOU
5h 18m
1 stop
$319Delta
Sat, Aug 15 - Mon, Aug 17
Delta Logo
6:00 am - 1:43 pm
HOU
-
IAD
6h 43m
1 stop
Delta Logo
5:47 pm - 10:05 pm
IAD
-
HOU
5h 18m
1 stop
$323Delta
Mon, Aug 10 - Sat, Aug 15
Delta Logo
6:00 am - 2:05 pm
HOU
-
IAD
7h 05m
1 stop
Delta Logo
6:00 am - 9:50 am
IAD
-
HOU
4h 50m
1 stop
$324Delta
Booking Insights

KAYAK's insights & trends for Hobby to Dulles Intl flights

Get data-powered insights and trends into flights from Hobby 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 Hobby 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 Hobby Airport to Washington, D.C. Dulles Intl Airport departing in August.

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

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

For Houston Hobby Airport to Washington Dulles Airport, Friday is the cheapest day to fly on average and Sunday is the most expensive. Flying from Washington Dulles Airport back to Houston Hobby Airport, the best deals are generally found on Saturday, with Monday being the most expensive.

What is the cheapest month to fly from Houston Hobby 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 Hobby 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 Hobby Airport to Washington, D.C. Dulles Intl Airport is October, where tickets cost $301 (return) on average. On the other hand, the most expensive months are February and March, where the average cost of round-trip tickets is $744 and $576 respectively.

Find deals

Good to know

Low seasonFebruary
Cheapest flight$142
Best time to beat the crowds but there is an average 71% increase in price.
Most popular time to fly and prices are also 31% lower on average.
Flight from Houston Hobby Airport to Washington Dulles Airport

When to book flights from Hobby to Dulles Intl

Are your dates flexible? Find out the best times to travel from Hobby 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 Hobby Airport to Washington Dulles Airport flights

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

    In the last 5 days, the lowest price for a flight from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport was $142 for a one-way ticket and $287 for a round-trip.

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

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

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

    On your way to Washington Dulles Airport, you’ll fly out from Houston Hobby. You’ll be landing at Washington, D.C. Dulles Intl.

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

    We unfortunately don’t have that data for this specific route.

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

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

  • 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 $443 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 $217 and an overall rating of 5.6.

  • How does KAYAK find such low prices on flights from Houston Hobby 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 Hobby 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 Hobby 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 Hobby 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 Hobby 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 Hobby Airport with another airline. Booking your flights between Houston Hobby 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 Hobby 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 Hobby Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Hobby to Dulles Intl

Information on your arrival and departure airports

Houston Hobby Airport (HOU)
Dulles Intl (IAD)