What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Houston round-trip?

Our cheapest airline available from Washington, D.C. Reagan-National Airport to Houston is Southwest. Our recent data shows that you can find tickets from as low as $177 on this airline. Additional options worth looking into are United Airlines and Frontier, starting at $177 and $185 round-trip. Southwest is currently priced 53% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Houston one-way?

The cheapest airlines for a one-way flight from Washington, D.C. Reagan-National Airport to Houston are Southwest ($116), American Airlines ($116), and Frontier ($118).

In terms of precipitation, rainfall in Houston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston when rainfall is around 3.2 in.

If weather is an important factor for your trip to Houston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

What are the cheapest flights from Washington, D.C. Reagan-National Airport to Houston?

Looking at all options, your cheapest flight can be booked for $134. While the most popular route (Washington, D.C. Reagan-National - Houston Hobby) can be booked for $177 on average our data indicates $279 when flying from Washington, D.C. Reagan-National Airport to Houston.

What are the most popular airlines that fly from Washington, D.C. Reagan-National Airport to Houston?

When booking a flight from Washington, D.C. Reagan-National Airport to Houston, you may want to consider flying on American Airlines, Delta or Frontier as they are the most popular for this route.

What is the cheapest day to fly round-trip from Washington, D.C. Reagan-National Airport to Houston?

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 38% when planning your travel around this day of the week.

What is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Houston?

August is one of the best times of the year to fly to Houston from Washington, D.C. Reagan-National Airport. Prices for August average $308 per person but you can even find prices for as low as $93. The most expensive prices can be found in the month of November. Opting for a August flight can save you 13% on your journey compared to booking in November

Can I find deals for flights from Reagan-National to Houston that include hotel bookings?

Yes. In addition to deals on Reagan-National to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Reagan-National to Houston?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Houston.

Can I find deals for business class flights from Reagan-National to Houston?

Yes. Cheapflights offers flight deals from Reagan-National to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$116+ Flights from Washington, D.C. Reagan-National Airport to Houston

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1. Tell us where you want to go

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We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Houston are usually found in January or August, booked 60 days in advance, depart on a Wednesday or Friday and return on a Tuesday

Cheap flight deals from Reagan-National to Houston

Round-trip from	$177 (Southwest)
One-way from	$116 (Southwest)
Popular in	February
Cheapest in	January
Average price	$363

From Washington, D.C. Reagan-National to Houston

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One-way flight from Washington, D.C. Reagan-National to Houston

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Highest demand for flights based on searches. 6% potential increase in price ($26 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Reagan-National to Houston

Cheapest flights from Reagan-National to Houston
Explore the most affordable flight options available from Reagan-National to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Wed 8/276:05 amDCA - HOU

Nonstop3h 10mSouthwest

Tue 9/212:20 pmHOU - DCA

Nonstop2h 55mSouthwest

Deal found 7/3

$177

Wed 10/87:30 amDCA - IAH

Nonstop3h 39mAmerican Airlines

Tue 10/145:19 pmIAH - DCA

Nonstop3h 06mAmerican Airlines

Deal found 7/3

$177

Thu 8/211:00 pmDCA - IAH

1 stop11h 36mFrontier

Mon 8/256:00 amIAH - DCA

1 stop9h 59mFrontier

Deal found 7/2

$185

Tue 7/297:00 pmDCA - IAH

1 stop5h 57mUnited Airlines

Tue 8/54:45 pmIAH - DCA

Nonstop3h 11mUnited Airlines

Deal found 7/1

$214

Wed 8/68:59 amDCA - HOU

1 stop7h 22mDelta

Wed 8/131:05 pmHOU - DCA

1 stop5h 30mDelta

Deal found 7/3

$237

Thu 8/218:59 amDCA - IAH

1 stop6h 54mDelta

Mon 8/254:04 pmIAH - DCA

1 stop4h 44mDelta

Deal found 7/1

$237

Thu 7/248:40 amDCA - IAH

1 stop8h 22mJetBlue

Sun 7/2711:58 amIAH - DCA

1 stop7h 05mJetBlue

Deal found 7/2

$251

Best flights from Reagan-National to Houston
Discover carefully curated flight deals from Reagan-National to Houston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Wed 8/276:00 pmDCA - HOU

Nonstop3h 15mSouthwest

Tue 9/28:05 amHOU - DCA

Nonstop2h 55mSouthwest

Deal found 7/2

$177

Thu 8/214:47 pmDCA - IAH

Nonstop3h 22mUnited Airlines

Mon 8/257:30 amIAH - DCA

Nonstop3h 06mUnited Airlines

Deal found 7/2

$177

Thu 8/211:00 pmDCA - IAH

1 stop11h 36mFrontier

Mon 8/256:00 amIAH - DCA

1 stop9h 59mFrontier

Deal found 7/2

$185

Wed 8/68:59 amDCA - HOU

1 stop7h 22mDelta

Wed 8/131:05 pmHOU - DCA

1 stop5h 30mDelta

Deal found 7/3

$237

Thu 7/248:40 amDCA - IAH

1 stop8h 22mJetBlue

Sun 7/2711:58 amIAH - DCA

1 stop7h 05mJetBlue

Deal found 7/2

$251

Sat 8/3011:30 amDCA - IAH

1 stop6h 09mAmerican Airlines

Thu 9/49:54 amIAH - DCA

Nonstop3h 25mAmerican Airlines

Deal found 7/1

$254

Mon 8/188:59 amDCA - IAH

1 stop6h 54mDelta

Wed 8/201:07 pmIAH - DCA

1 stop5h 28mDelta

Deal found 7/3

$237

Last-minute flights from Reagan-National to Houston
Discover last-minute flight deals from Reagan-National to Houston. Data last updated July 3, 2025 and is based on user searches.

Tue 7/88:40 amDCA - IAH

1 stop8h 22mJetBlue

Tue 7/1511:58 amIAH - DCA

1 stop7h 05mJetBlue

Deal found 6/30

$473

Fri 7/111:00 pmDCA - IAH

1 stop11h 36mFrontier

Mon 7/146:00 amIAH - DCA

1 stop9h 59mFrontier

Deal found 7/1

$267

Fri 7/1111:30 amDCA - HOU

1 stop5h 25mAmerican Airlines

Tue 7/155:00 amHOU - DCA

1 stop5h 05mAmerican Airlines

Deal found 7/1

$549

Sat 7/124:05 pmDCA - IAH

Nonstop3h 20mUnited Airlines

Thu 8/149:45 amIAH - DCA

Nonstop3h 11mUnited Airlines

Deal found 7/3

$427

Sat 7/123:59 pmDCA - HOU

1 stop7h 22mDelta

Thu 7/176:00 amHOU - DCA

1 stop5h 41mDelta

Deal found 7/2

$493

Sat 7/127:20 amDCA - HOU

Nonstop3h 10mSouthwest

Thu 7/177:15 pmHOU - DCA

Nonstop3h 00mSouthwest

Deal found 7/2

$507

Sat 7/126:00 amDCA - IAH

1 stop4h 59mDelta

Sat 7/123:09 pmIAH - DCA

1 stop6h 50mDelta

Deal found 7/3

$537

Sat 7/121:00 pmDCA - IAH

1 stop11h 49mMultiple Airlines

Mon 7/145:50 pmIAH - DCA

2 stops26h 52mMultiple Airlines

Deal found 7/1

$591

Thu 7/248:40 amDCA - IAH

1 stop8h 22mJetBlue

Sun 7/2711:58 amIAH - DCA

1 stop7h 05mJetBlue

Deal found 7/2

$251

Wed 8/68:59 amDCA - HOU

1 stop7h 22mDelta

Wed 8/131:05 pmHOU - DCA

1 stop5h 30mDelta

Deal found 7/3

$237

Mon 8/188:59 amDCA - IAH

1 stop6h 54mDelta

Wed 8/201:07 pmIAH - DCA

1 stop5h 28mDelta

Deal found 7/3

$237

Thu 8/212:59 pmDCA - IAH

Nonstop3h 22mUnited Airlines

Mon 8/254:45 pmIAH - DCA

Nonstop3h 08mUnited Airlines

Deal found 7/1

$177

One-way flights from Reagan-National to Houston
Search for one-way flight options from Reagan-National to Houston. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Sat 8/164:55 pmDCA - HOU

Nonstop3h 15mSouthwest

Deal found 7/2

$116

Sat 9/208:00 pmDCA - IAH

Nonstop3h 25mAmerican Airlines

Deal found 7/3

$116

Thu 7/171:00 pmDCA - IAH

1 stop11h 36mFrontier

Deal found 7/2

$118

Thu 8/76:00 amDCA - HOU

1 stop4h 24mDelta

Deal found 7/2

$119

Wed 9/179:40 amDCA - IAH

1 stop6h 59mDelta

Deal found 7/3

$119

Mon 8/116:00 amDCA - IAH

Nonstop3h 12mUnited Airlines

Deal found 7/2

$131

Fri 9/58:00 amDCA - IAH

1 stop6h 41mJetBlue

Deal found 7/3

$136

Mon 9/155:00 amDCA - HOU

1 stop5h 44mAmerican Airlines

Deal found 7/1

$166

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Houston

DCA - HOU

DCAHOU

Washington, D.C. Reagan-National

Wed 8/27

6:05 am-8:15 am

Nonstop3h 10m

Houston Hobby

Tue 9/2

12:20 pm-4:15 pm

Nonstop2h 55m

$177

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Thu 8/21

4:47 pm-7:09 pm

Nonstop3h 22m

Houston George Bush Intcntl

Mon 8/25

7:30 am-11:36 am

Nonstop3h 06m

$177

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Thu 8/21

1:00 pm-11:36 pm

1 stop11h 36m

Houston George Bush Intcntl

Mon 8/25

6:00 am-4:59 pm

1 stop9h 59m

$185

Washington, D.C.Houston

DCA - HOU

DCAHOU

Washington, D.C. Reagan-National

Wed 8/6

8:59 am-3:21 pm

1 stop7h 22m

Houston Hobby

Wed 8/13

1:05 pm-7:35 pm

1 stop5h 30m

$237

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Thu 8/21

8:59 am-2:53 pm

1 stop6h 54m

Houston George Bush Intcntl

Mon 8/25

4:04 pm-9:48 pm

1 stop4h 44m

$237

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Thu 7/24

8:40 am-4:02 pm

1 stop8h 22m

Houston George Bush Intcntl

Sun 7/27

11:58 am-8:03 pm

1 stop7h 05m

$251

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Sat 8/30

11:30 am-4:39 pm

1 stop6h 09m

Houston George Bush Intcntl

Thu 9/4

9:54 am-2:19 pm

Nonstop3h 25m

$254

Washington, D.C.Houston

DCA - HOU

DCAHOU

Washington, D.C. Reagan-National

Sat 9/20

4:55 pm-7:10 pm

Nonstop3h 15m

$116

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Wed 7/30

12:59 pm-3:14 pm

Nonstop3h 15m

$116

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Thu 7/17

1:00 pm-11:36 pm

1 stop11h 36m

$118

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 15 results

The best insider tips for Washington, D.C. Reagan-National Airport to Houston flights

Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Reagan-National Airport to Houston trip

Airlines

United Airlines

Polaris passengers enjoy lie-flat seats, noise-reducing headphones, and upscale amenity kits.

United Economy Plus offers extra legroom seats towards the front of the economy cabin.

Read more about United Airlinesby Harriet Baskas

Southwest

Southwest's open seating policy allows passengers to choose any available seat upon boarding.

Southwest offers free messaging and high-speed Wi-Fi for a fee on most flights.

Read more about Southwestby Marisa Garcia

Airports

DCA

Reserve parking in advance at DCA, as lots fill quickly. Garage 1 serves Terminal 1, Garage 2 serves Terminal 2.

IAH

For a quick ride to downtown Houston from IAH, consider Uber or Lyft. It's faster than public transport.

HOU

Use a map app for real-time traffic info when traveling to HOU, as I-45 can be congested during peak hours.

Our travel experts

Harriet Baskas

Expert on United Airlines

Marisa Garcia

Expert on Southwest

Evie Carrick

Expert on IAH

Emily Zemler

Expert on DCA

Scott Laird

Expert on HOU

Best time to book a flight from Reagan-National to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Reagan-National with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Houston

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Houston?

Booking 60 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Reagan-National Airport to Houston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Houston?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Houston (average of $230). Flying from Washington, D.C. Reagan-National Airport to Houston in March is currently the most expensive (average of $332). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DCA to HOU?

When flying from Washington, D.C. Reagan-National Airport to Houston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 18% versus a flight in the morning.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Houston?

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Houston flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Houston

Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Washington, D.C. Reagan-National Airport to Houston. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,266 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Southwest

8.0

Very good

4,266 reviews

Southwest

8.0

Very good

4,266 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Delta

8.0

Very good

7,982 reviews

Southwest

8.0

Very good

4,266 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

United Airlines

7.4

Good

8,861 reviews

Southwest

8.0

Very good

4,266 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

JetBlue

7.3

Good

2,916 reviews

Southwest

8.0

Very good

4,266 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,266 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Houston round-trip?
Our cheapest airline available from Washington, D.C. Reagan-National Airport to Houston is Southwest. Our recent data shows that you can find tickets from as low as $177 on this airline. Additional options worth looking into are United Airlines and Frontier, starting at $177 and $185 round-trip. Southwest is currently priced 53% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Houston one-way?
The cheapest airlines for a one-way flight from Washington, D.C. Reagan-National Airport to Houston are Southwest ($116), American Airlines ($116), and Frontier ($118).
What are the cheapest flights from Washington, D.C. Reagan-National Airport to Houston?
Looking at all options, your cheapest flight can be booked for $134. While the most popular route (Washington, D.C. Reagan-National - Houston Hobby) can be booked for $177 on average our data indicates $279 when flying from Washington, D.C. Reagan-National Airport to Houston.
Can I find deals for flights from Reagan-National to Houston that include hotel bookings?
Yes. In addition to deals on Reagan-National to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Houston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Houston.
Can I find deals for business class flights from Reagan-National to Houston?
Yes. Cheapflights offers flight deals from Reagan-National to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Houston?
Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Houston (average of $230). Flying from Washington, D.C. Reagan-National Airport to Houston in March is currently the most expensive (average of $332). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 6 airlines flying from Reagan-National to Houston

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$108	Average$167	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$131	Average$225	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$216	Average$300	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$216	Average$401	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$256	Average$362	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$259	Average$410	FlexibilityNo cancel fee	On-time69%

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$116+ Cheap flights from Reagan-National (DCA) to Houston

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Houston with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Houston are usually found in January or August, booked 60 days in advance, depart on a Wednesday or Friday and return on a Tuesday

Cheap flight deals from Reagan-National to Houston

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Reagan-National to Houston

Cheapest flights from Reagan-National to HoustonExplore the most affordable flight options available from Reagan-National to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from Reagan-National to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Houston that are best for you.

The best insider tips for Washington, D.C. Reagan-National Airport to Houston flights

Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Reagan-National Airport to Houston trip

Airlines

United Airlines

Southwest

Airports

DCA

IAH

HOU

Our travel experts

Best time to book a flight from Reagan-National to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Reagan-National with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Houston

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Houston?

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to Houston. Price data was last updated on June 27, 2025.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Houston?

What is the cheapest time of day to fly from DCA to HOU?

Find hourly flight availability from Reagan-National to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Houston?

Use this chart to determine the cheapest time to fly round-trip from Reagan-National to Houston. Price data was last updated on December 16, 2024.

Reviews of airlines servicing Houston

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Houston round-trip?

What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Houston one-way?

What are the cheapest flights from Washington, D.C. Reagan-National Airport to Houston?

Can I find deals for flights from Reagan-National to Houston that include hotel bookings?

How can I find direct flights from Reagan-National to Houston?

Can I find deals for business class flights from Reagan-National to Houston?

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Houston?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Reagan-National to Houston

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Reagan-National to Houston

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Cheapest flights from Reagan-National to Houston
Explore the most affordable flight options available from Reagan-National to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.