Cheap Flights from Houston George Bush Intercntl. to Washington Ronald Reagan

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Flight deals from Houston George Bush Intercntl. to Washington Ronald Reagan

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

Find the cheapest month to fly from Houston George Bush Intercntl. to Washington Ronald Reagan

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Houston George Bush Intercntl. to Washington Ronald Reagan flights are currently cheapest in July.

Direct flights from Houston George Bush Intercntl. to Washington Ronald Reagan

Houston George Bush Intercntl. to Washington Ronald Reagan: Alternative routes

Compare routes from Houston George Bush Intercntl. to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Washington Ronald Reagan.

Houston to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 270
Cheapest month to flySeptember
Average flight time3 hrs, 6 mins
Most popular airlineUnited
Average flights per week142

Finding cheap flights from Houston George Bush Intercntl. to Washington Ronald Reagan: Frequently asked questions

The best price we found for a return flight from Houston George Bush Intercntl. to Washington Ronald Reagan is ر.ق.‏ 541. 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.
3 hours and 6 minutes is the average flight time from Houston George Bush Intercntl. to Washington Ronald Reagan.
United, Republic Airways and American Airlines fly direct from Houston George Bush Intercntl. to Washington Ronald Reagan.
As of May 2025, there are 142 flights per week flying from Houston George Bush Intercntl. to Washington Ronald Reagan.
The cheapest month to fly from Houston George Bush Intercntl. to Washington Ronald Reagan is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Houston George Bush Intercntl. Airport to Washington Ronald Reagan Airport on Wednesday, 1 October 2025.
Yes – the average flight time is 3 hours and 6 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 Ronald Reagan 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.
Currently, United offers the cheapest flight tickets to Washington Ronald Reagan.

Travelling from George Bush Intercontinental Airport (IAH) to Ronald Reagan National Airport (DCA): what you need to know

  • The average time for a direct flight from George Bush Intercontinental Airport to Ronald Reagan National Airport is 3 hours.

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

  • You can choose from 62 weekly George Bush Intercontinental Airport to Ronald Reagan National Airport flights. The 07:30 departure with United Airlines is the earliest you can take. United Airlines operates the latest service of the day at 19:50.

  • Get to the airport on time so you don't miss your IAH to DCA flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • Travelling during a peak time such as July? School holidays and other high seasons can mean longer queues at security. Play it safe and get there up to four hours ahead of an international flight and two hours before a domestic departure.

  • United Airlines is your gateway to exploring Washington DC (and maybe even some other great parts of United States!). Browse the direct flights from George Bush Intercontinental Airport to Ronald Reagan National Airport offered by this popular airline.

  • The majority of travellers choose to travel with United Airlines on this route.

  • United Airlines is the most punctual carrier offering IAH to DCA flights. An exceptional 81.42% of its departures on this route arrive on time.

  • We make it a breeze to book a flight with a stopover. To see your options for tickets from George Bush Intercontinental Airport to Ronald Reagan National Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to explore the city of your choice. Some great stopovers between IAH and DCA include:

    • Louis Armstrong New Orleans International Airport

    • Hartsfield-Jackson Atlanta International Airport

    • Nashville International Airport

How to find the cheapest flights from George Bush Intercontinental Airport (IAH) to Ronald Reagan National Airport (DCA)

  • ر.ق.‏ 270 is currently the best price for a one-way George Bush Intercontinental Airport to Ronald Reagan National Airport flight. Return flights start at ر.ق.‏ 541. These fares can change based on availability.

  • Score cheap tickets from IAH to DCA by booking six months ahead. Based on our research, that's the sweet spot for bagging a bargain.

  • May is the cheapest month for flights from George Bush Intercontinental Airport to Ronald Reagan National Airport. If you're looking to travel during a different time of year, the 'Whole month' tool will show you the lowest prices for each month.

  • Save time looking for cheap flights from IAH to DCA by creating a Price Alert. We'll send you an email or notification through the app when a special offer becomes available.

  • Find the ideal flight for you by using the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from George Bush Intercontinental Airport to Ronald Reagan National Airport, use the 'Sort by' function. You can also filter results by arrival and departure times, airline, and number of stops.

Handy information about George Bush Intercontinental Airport (IAH)

Arriving at Ronald Reagan National Airport (DCA)

Getting from Ronald Reagan National Airport (DCA) to central Washington DC

  • DCA is located at 1 Aviation Circle.

  • Ronald Reagan National Airport to central Washington DC has a drive time of about 15 minutes. It's approximately 8 kilometres away.

  • Getting to the centre on public transport typically takes 45 minutes.

When to fly to Ronald Reagan National Airport (DCA)

  • February is the busiest month for flights from George Bush Intercontinental Airport to Ronald Reagan National Airport. To avoid the crowds, go to Washington DC in May.

  • Lock in your flight from George Bush Intercontinental Airport to Ronald Reagan National Airport for July if you want to go to Washington DC during its warmest month. You can expect temperatures of between 19ºC and 33ºC.

  • Search for cheap tickets from IAH to DCA in January if you like cooler conditions. Temperatures are at their lowest then, ranging between -6ºC and 10ºC on average.

Explore more of United States

  • Washington DC has its own special appeal, but there are so many other parts of United States you'll want to see. Around 322 kilometres north-east of Washington DC, a visit to New York will fill your itinerary to the brim. Start with popular sights like Statue of Liberty, Central Park and Empire State Building.

  • Around 193 kilometres north-east of Washington DC, Philadelphia is another favourite stop in United States. Experience major highlights starting with 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.