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George Bush Intcntl

$53+ Cheap flights from Baltimore (BWI) to George Bush Intcntl (IAH)

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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — IAH
août 26 — sept. 21
mar. 8/26
mar. 9/2
1 adult, Economy
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Cheapflights Tip: The best prices from Baltimore/Washington to Houston George Bush Intcntl are usually found in September or January, booked 84 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from Baltimore to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to George Bush Intcntl (IAH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated août 21, 2025.

Round-trip from

$90
(FlightHub)

One-way from

$53
(Cheapflightsfares)

Popular in

June

Cheapest in

September

Average price

$210
From Baltimore/Washington to Houston George Bush Intcntl
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One-way flight from Baltimore/Washington to Houston George Bush Intcntl
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Highest demand for flights based on searches. 10% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Baltimore to George Bush Intcntl

Cheapest flights from Baltimore to George Bush Intcntl
Explore the most affordable flight options available from Baltimore to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on août 21, 2025.

This FlightHub deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/204:00 pmBWI - IAH
1 stop8h 56mSpirit Airlines
sam. 9/275:50 amIAH - BWI
1 stop8h 35mSpirit Airlines
Deal found 8/21$90
This FlightHub deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/164:00 pmBWI - IAH
1 stop8h 56mSpirit Airlines
ven. 9/197:00 pmIAH - BWI
Nonstop3h 16mSpirit Airlines
Deal found 8/21$91
This Cheapflightsfares deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/1812:12 pmBWI - IAH
Nonstop3h 27mSpirit Airlines
mar. 9/235:30 amIAH - BWI
1 stop9h 02mSpirit Airlines
Deal found 8/18$92
This FlightHub deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 9/285:30 amBWI - IAH
Nonstop3h 25mSpirit Airlines
jeu. 10/26:59 pmIAH - BWI
Nonstop3h 11mSpirit Airlines
Deal found 8/21$93
This Mytrip deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/275:45 amBWI - IAH
1 stop17h 41mSpirit Airlines
lun. 9/297:00 pmIAH - BWI
Nonstop3h 16mSpirit Airlines
Deal found 8/19$94
This FlightHub deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 9/145:30 amBWI - IAH
Nonstop3h 25mSpirit Airlines
mar. 9/235:50 amIAH - BWI
Nonstop3h 08mSpirit Airlines
Deal found 8/21$95
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/116:00 amBWI - IAH
Nonstop3h 29mSpirit Airlines
jeu. 11/135:45 amIAH - BWI
Nonstop3h 08mSpirit Airlines
Deal found 8/20$96
This Cheapflightsfares deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/64:20 pmBWI - IAH
1 stop7h 28mSpirit Airlines
mer. 9/1012:47 pmIAH - BWI
1 stop9h 38mSpirit Airlines
Deal found 8/19$97
This FlightHub deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/315:45 amBWI - IAH
Nonstop3h 21mSpirit Airlines
lun. 11/36:15 pmIAH - BWI
Nonstop3h 07mSpirit Airlines
Deal found 8/21$98
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/174:00 pmBWI - IAH
1 stop7h 42mSpirit Airlines
dim. 9/216:59 pmIAH - BWI
Nonstop3h 11mSpirit Airlines
Deal found 8/21$99
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/116:00 amBWI - IAH
Nonstop3h 29mSpirit Airlines
mar. 11/189:54 amIAH - BWI
1 stop8h 23mSpirit Airlines
Deal found 8/20$100
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/136:10 amBWI - IAH
Nonstop3h 29mSpirit Airlines
ven. 9/197:00 pmIAH - BWI
Nonstop3h 16mSpirit Airlines
Deal found 8/21$101

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore to George Bush Intcntl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated août 21, 2025.
Use the filters below to find and compare flights from Baltimore to Houston George Bush Intcntl Airport that are best for you.

Fly from

Baltimore

Fly to

George Bush Intcntl

Route

Depart

Return

Price

BaltimoreHouston

BWI - IAH

BWIIAH

Baltimore/Washington

mar. 9/16

4:00 pm-11:56 pm

1 stop8h 56m

Houston George Bush Intcntl

ven. 9/19

7:00 pm-11:16 pm

Nonstop3h 16m

$91

BaltimoreHouston

BWI - IAH

BWIIAH

Baltimore/Washington

lun. 9/22

11:02 am-1:32 pm

Nonstop3h 30m

Houston George Bush Intcntl

sam. 9/27

5:50 am-3:25 pm

1 stop8h 35m

$92

BaltimoreHouston

BWI - IAH

BWIIAH

Baltimore/Washington

jeu. 9/18

12:12 pm-2:39 pm

Nonstop3h 27m

Houston George Bush Intcntl

mar. 9/23

5:30 am-3:32 pm

1 stop9h 02m

$92

BaltimoreHouston

BWI - IAH

BWIIAH

Baltimore/Washington

dim. 9/21

5:30 am-7:55 am

Nonstop3h 25m

Houston George Bush Intcntl

sam. 9/27

5:50 am-3:25 pm

1 stop8h 35m

$92

BaltimoreHouston

BWI - IAH

BWIIAH

Baltimore/Washington

ven. 9/26

6:10 am-8:39 am

Nonstop3h 29m

Houston George Bush Intcntl

mar. 9/30

5:30 am-3:32 pm

1 stop9h 02m

$92

BaltimoreHouston

BWI - IAH

BWIIAH

Baltimore/Washington

mer. 9/3

6:37 am-6:11 pm

1 stop12h 34m

Houston George Bush Intcntl

mer. 9/10

5:50 am-9:58 am

Nonstop3h 08m

$93

BaltimoreHouston

BWI - IAH

BWIIAH

Baltimore/Washington

sam. 9/6

6:10 am-8:39 am

Nonstop3h 29m

Houston George Bush Intcntl

mer. 9/10

5:50 am-9:58 am

Nonstop3h 08m

$93

BaltimoreHouston

BWI - IAH

BWIIAH

Baltimore/Washington

lun. 9/29

11:02 am-1:32 pm

Nonstop3h 30m

Houston George Bush Intcntl

jeu. 10/2

3:34 pm-7:47 pm

Nonstop3h 13m

$93

BaltimoreHouston

BWI - IAH

BWIIAH

Baltimore/Washington

dim. 9/28

5:30 am-7:55 am

Nonstop3h 25m

Houston George Bush Intcntl

dim. 10/5

3:34 pm-7:43 pm

Nonstop3h 09m

$93

BaltimoreHouston

BWI - IAH

BWIIAH

Baltimore/Washington

sam. 9/27

5:45 am-10:26 pm

1 stop17h 41m

Houston George Bush Intcntl

lun. 9/29

7:00 pm-11:16 pm

Nonstop3h 16m

$94

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

Showing 1-10 of 22 results
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The best insider tips for Baltimore to Houston George Bush Intcntl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Baltimore to Houston George Bush Intcntl Airport trip
Airlines
Spirit Airlines

Spirit's Big Front Seats offer 11 inches more legroom and larger tray tables for laptop use.


Spirit's self-service bag drop saves time; print your boarding pass or use the app to avoid fees.

Read more about Spirit Airlinesby Daniel Scheffler
United Airlines

Basic Economy allows no carry-on bags unless you're a MileagePlus member or have a qualifying card.


Economy Plus offers extra legroom seats towards the front of the economy cabin for MileagePlus Premier members.

Read more about United Airlinesby Harriet Baskas
Airports
BWI

For early morning flights, arrive 20-30 minutes early due to busy security lines, especially on weekdays.

Read more about BWIby Emily Zemler
IAH

For a quick ride to downtown Houston, Uber or Lyft is recommended, taking about 25 minutes from IAH.

Read more about IAHby Evie Carrick
Our travel experts
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick

Evie Carrick

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Read more
Emily Zemler

Emily Zemler

Expert on BWI

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more

Best time to book a flight from Baltimore to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Baltimore 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 Baltimore to Houston George Bush Intcntl Airport

How far ahead should I book a flight from Baltimore to Houston George Bush Intcntl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Baltimore to George Bush Intcntl. Price data was last updated on August 8, 2025.

The best time to book flights from Baltimore to Houston George Bush Intcntl Airport is 84 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Baltimore to Houston George Bush Intcntl Airport?

Currently, August is the cheapest month in which you can book a flight from Baltimore to Houston George Bush Intcntl Airport (average of $241). Flying from Baltimore to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 BWI to IAH?

Find hourly flight availability from Baltimore to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated août 21, 2025.

When flying from Baltimore to Houston George Bush Intcntl Airport, 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 45% versus a flight in the afternoon.

What is the cheapest day to fly from Baltimore to Houston George Bush Intcntl Airport?

Use this chart to determine the cheapest time to fly round-trip from Baltimore to George Bush Intcntl. Price data was last updated on August 17, 2025.

Travelers seeking maximum savings on their Baltimore to Houston George Bush Intcntl Airport flight should consider departing on Sunday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing George Bush Intcntl

Get insights into the airlines that provide service to George Bush Intcntl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to George Bush Intcntl. Reviews last updated août 21, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Baltimore to Houston George Bush Intcntl Airport. 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.
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,930 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,035 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.8
Fair
3,207 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Baltimore to George Bush Intcntl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Baltimore to Houston George Bush Intcntl?

    For a flight from Baltimore to Houston George Bush Intcntl, you will be flying from Baltimore/Washington. Baltimore/Washington (BWI) is just 8.5 mi from the center of the city. Baltimore/Washington is the only Baltimore airport and it handles 9 outbound flights to Houston George Bush Intcntl per day. 5 airlines have flights to Houston George Bush Intcntl from Baltimore/Washington on a regular basis.

  • How long is the flight from Baltimore to Houston George Bush Intcntl Airport?

    Departing from Baltimore to Houston George Bush Intcntl Airport will take you 8h 56m. The distance between Baltimore and Houston George Bush Intcntl Airport is about 1233 mi.

  • What are the cheapest airlines flying from Baltimore to Houston George Bush Intcntl Airport round-trip?

    Cheapflights users have booked flights from Baltimore to Houston George Bush Intcntl Airport round-trip from $100. Other airlines that can offer you cheap pricing are Frontier, from $109, and United Airlines, from $195. Spirit Airlines is priced at 57% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Baltimore to Houston George Bush Intcntl Airport?

    No one likes to see their flight delayed. When booking a flight from Baltimore to Houston George Bush Intcntl Airport consider choosing Spirit Airlines (90%), Mesa Airlines (78%) or Virgin Australia (73%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Baltimore to Houston George Bush Intcntl Airport?

    The cheapest flight price from Baltimore to Houston George Bush Intcntl Airport is $38. On average you can expect to pay $590. The most popular route, (Baltimore/Washington - Houston George Bush Intcntl), can usually be booked for $58.

  • Can I find deals for flights from Baltimore to George Bush Intcntl that include hotel bookings?

    Yes. In addition to deals on Baltimore to George Bush Intcntl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Baltimore to George Bush Intcntl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to George Bush Intcntl.

  • Can I find deals for business class flights from Baltimore to George Bush Intcntl?

    Yes. Cheapflights offers flight deals from Baltimore to George Bush Intcntl 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 Baltimore to Houston George Bush Intcntl Airport?

    Currently, August is the cheapest month in which you can book a flight from Baltimore to Houston George Bush Intcntl Airport (average of $241). Flying from Baltimore to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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

Traveling to a place near Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Montgomery
Spring
Humble
The Woodlands
Conroe
Tomball
Katy
Jersey Village
Cypress

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Top 5 airlines flying from Baltimore to George Bush Intcntl

Discover the top 5 airlines that operate flights from Baltimore to George Bush Intcntl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated août 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$100Average$206FlexibilityNo cancel feeOn-time65%
FrontierCheapest$109Average$169FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$195Average$387FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$196Average$456FlexibilityNo cancel feeOn-time71%
DeltaCheapest$228Average$366FlexibilityNo cancel feeOn-timeN/A

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