Cheap Flights from Houston to Washington D.C.

Compare Houston to Washington D.C. flight deals

Find the cheapest month or even day of the year to fly to Washington D.C.

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Flight deals from Houston to Washington D.C.

Looking for a cheap last-minute deal or the best return flight from Houston to Washington D.C.? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Houston to Washington D.C.

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Houston to Washington D.C. flights are currently cheapest in September.

Direct flights from Houston to Washington D.C.

Alternative Houston to Washington D.C. routes

Looking for the cheapest, fastest or easiest route from Houston to Washington D.C.? You could fly into the following airports instead.

Houston to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundR 702
Cheapest month to flySeptember
Average flight time2 hrs, 60 mins
Most popular airlineUnited
Average flights per week289

Finding cheap flights from Houston to Washington D.C.: Frequently asked questions

There are 5 airports in Washington D.C.: Washington Ronald Reagan, Camp Springs Andrews AFB, Washington Dulles, Baltimore Washington International, and Manassas.
The best price we found for a return flight from Houston to Washington D.C. is R 1,406. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 59 minutes is the average flight time from Houston to Washington D.C..
United, Southwest Airlines and Air New Zealand fly direct from Houston to Washington D.C..
As of September 2025, there are 289 flights per week flying from Houston to Washington D.C..
The cheapest month to fly from Houston to Washington D.C. is usually September.
If you're flying from Houston, the cheapest airport near Washington D.C. is Baltimore Washington International – which is 43.6 km away from the centre of Washington D.C.. We've found flights into this airport from R 1,406.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Houston to Washington D.C. on Saturday, 27 September 2025.
Yes – the average flight time is 2 hours and 59 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington D.C. but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
In September, the average temperature is usually around 21°C. July is typically the warmest month in Washington D.C., when it usually averages around 31°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -4°C. The rainiest month is September.
The cheapest airline that flies to Washington D.C. is Spirit Airlines .

Travelling from Houston to Washington DC: what you need to know

  • Your next exciting journey begins at one of Houston's main airports, George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU). Explore your options for booking a flight from Houston to Washington DC setting off from either of these bases.

  • The chief entry points to Washington DC are Ronald Reagan National Airport (DCA) and Washington Dulles International Airport (IAD).

  • The average time for a direct Houston to Washington DC flight is 3 hours 5 minutes.

  • Washington DC's timezone is UTC-4, making Washington DC one hour ahead of Houston.

  • With 47 flights a week between the two airports, George Bush Intercontinental Airport (IAH) to Ronald Reagan National Airport (DCA) is the most popular route. Hop on the earliest flight from Houston to Washington DC with United Airlines at 07:30. If you'd like to make the most of your day before you fly, the latest flight from IAH to DCA is with United Airlines at 19:50.

  • To ensure you get on your Houston to Washington DC flight, leave plenty of time to check in and drop off your luggage. Turning up two hours ahead of international departures and one hour before domestic flights is the standard rule.

  • If you're going away during a popular month like July, get to the terminal even earlier. It's smart to arrive up to four hours before international flights and two hours ahead of a domestic departure. Check-in and security lines will be longer during high seasons like Christmas, New Year and spring break.

How to find the cheapest flights from Houston to Washington DC

  • The lowest price we've found for a one-way ticket from Houston to Washington DC is R 703. For a return flight on this route, the best price is R 1,406. Depending on the availability and when you book, these fares could change.

  • Book two months before travelling. Pricing trends show that this is the ideal window for finding cheap Houston to Washington DC flights.

  • May is the best month for nabbing a fantastic deal on a plane ticket from Houston to Washington DC. If you're looking to travel at a different time of year, the 'Whole month' tool will show you the lowest prices across every month.

  • There's no need to check back in every day to find out if prices have dropped when you create a Price Alert. We'll tell you as soon as a better deal is available on cheap flights from Houston to Washington DC.

  • Tailor your flights using filters. Pick your preferred arrival and departure times, airlines and total journey duration. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best' Houston to Washington DC flights.

Flying from Houston

George Bush Intercontinental Airport (IAH)

  • You can travel directly to Washington DC leaving from George Bush Intercontinental Airport (IAH). Here are some airports you can jet right into when searching for a flight from Houston to Washington DC:

    • Ronald Reagan National Airport (DCA)

    • Washington Dulles International Airport (IAD)

    • Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • United Airlines is a popular airline that offers direct Houston to Washington DC plane tickets leaving from IAH.

  • IAH is about 21 kilometres from central Houston. If you're driving, catching a cab or ride-sharing from the centre, it'll take 20 minutes or so to get there, depending on traffic. If you're taking public transport, expect the trip time to be around 50 minutes.

  • Searching for a convenient hotel near George Bush Intercontinental Airport? If you're catching an early flight from Houston to Washington DC, these accommodation options will have you nice and close to your departure gate:

  • 78.42% of flights taking off from George Bush Intercontinental Airport make it to their destination on time.

  • IAH is located at 16930 JFK Boulevard.

William P. Hobby Airport (HOU)

  • Direct flights from Houston to Washington DC are available at William P. Hobby Airport (HOU), so consider flying out of this hub. HOU has nonstop services to Ronald Reagan National Airport (DCA) and Baltimore/Wash International Thurgood Marshall Airport (BWI).

  • You can book a direct Houston to Washington DC plane ticket with Southwest Airlines. This is one of the main carriers operating this route out of HOU.

  • HOU is around 16 kilometres from central Houston. It takes 20 minutes or so to get to the airport in a car from the city centre. Public transport takes roughly 1 hour 40 minutes.

  • Start your holiday sooner with an extra night away from home. Before catching your flight from Houston to Washington DC, take it easy in one of these hotels near William P. Hobby Airport:

  • William P. Hobby Airport has a reputation for reliability and timeliness. 81.06% of flights out of here land precisely when expected.

  • The street address for HOU is 7800 Airport Boulevard.

Arriving in Washington DC

Ronald Reagan National Airport (DCA)

Washington Dulles International Airport (IAD)

  • Washington Dulles International Airport (IAD) is roughly 40 kilometres from the centre of Washington DC. Once you've hopped off your flight from Houston to Washington DC, it takes approximately 50 minutes to get to the heart of the city in a ride-share or cab.

  • If you're travelling on public transport, it'll take around 1 hour 10 minutes.

  • After your flight from Houston to Washington DC, tuck yourself in at a hotel close to IAD. These are some great accommodation options that'll help you get into relaxation mode:

  • No need to worry about public transport schedules or long cab queues. Pick up a Washington Dulles International Airport rental car and take your journey in whatever direction you like. Check out the rates and availability from Dollar, Thrifty and Sixt.

  • Avoid paying extra. Booking your ride one week ahead of your arrival at IAD will save you money.

  • You'll find Washington Dulles International Airport at 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Baltimore/Wash International Thurgood Marshall Airport (BWI) is about 40 kilometres from central Washington DC. It'll take you about 50 minutes to get to the city centre in a car after your flight from Houston to Washington DC.

  • Public transport can get you there in about 1 hour 30 minutes.

  • Enjoy a quiet, low-key start to your break by staying at a hotel near BWI after your Houston to Washington DC flight. Take a load off after a long travel day or just give yourself time to find your footing in a new city at:

  • Whether you're searching for a compact for a solo escape or a roomy SUV to fit everyone and their gear, you'll find the ideal Baltimore/Wash International Thurgood Marshall Airport rental car for your needs. Check out the range of wheels available from names such as Dollar, Thrifty and Budget.

  • Around two weeks ahead of your flight from Houston to Washington DC is a good time to book your ride from BWI. You're more likely to get a better rate or even snap up an early bird discount.

Best time to go to Washington DC

  • February is the most popular month for flights from Houston to Washington DC. To escape the crowds, head to Washington DC in May.

  • Lock in a Houston to Washington DC ticket departing in July if you're eager to visit the city during its warmest month. You can expect temperatures in Washington DC to range from 19ºC (66ºF) to 33ºC (91ºF).

  • Search for cheap flights from Houston to Washington DC in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -6ºC (21ºF) and 10ºC (50ºF) on average.

More about Washington DC

Explore more of United States

  • You've visited Washington DC, now it's time to explore other parts of United States. Travel about 322 kilometres north-east to New York to check off its leading sights. From Statue of Liberty to Central Park and Empire State Building, there's plenty to keep you on the go.

  • Around 193 kilometres north-east of Washington DC, Philadelphia is another essential stop in United States. No visit is complete without checking out Liberty Bell, Independence Hall and Philadelphia Museum of Art.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.