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Cheap flights from Baltimore to Houston from $51

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to Houston departing on 3/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
12:07 pm - 2:47 pm
BWI
-
IAH
3h 40mnonstop
Frontier Logo
7:00 am - 11:12 am
IAH
-
BWI
3h 12mnonstop
$104Frontier
Thu, Apr 23 - Thu, Apr 30
Frontier Logo
12:07 pm - 2:47 pm
BWI
-
IAH
3h 40mnonstop
Frontier Logo
7:00 am - 11:12 am
IAH
-
BWI
3h 12mnonstop
$105Frontier
Thu, Apr 30 - Sun, May 3
Frontier Logo
12:07 pm - 2:47 pm
BWI
-
IAH
3h 40mnonstop
Frontier Logo
7:00 am - 11:12 am
IAH
-
BWI
3h 12mnonstop
$106Frontier
Fri, Apr 24 - Sun, Apr 26
Frontier Logo
12:07 pm - 2:47 pm
BWI
-
IAH
3h 40mnonstop
Frontier Logo
7:00 am - 11:12 am
IAH
-
BWI
3h 12mnonstop
$107Frontier
Fri, May 8 - Sun, May 10
Spirit Airlines Logo
6:41 pm - 9:27 pm
BWI
-
IAH
3h 46mnonstop
Spirit Airlines Logo
12:16 pm - 10:53 pm
IAH
-
BWI
9h 37m
1 stop
$108Spirit Airlines
Tue, Feb 24 - Tue, Mar 3
Spirit Airlines Logo
7:57 pm - 10:44 pm
BWI
-
IAH
3h 47mnonstop
Spirit Airlines Logo
5:20 am - 9:14 am
IAH
-
BWI
2h 54mnonstop
$109Spirit Airlines
Sat, Mar 7 - Sat, Mar 14
Spirit Airlines Logo
7:57 pm - 10:44 pm
BWI
-
IAH
3h 47mnonstop
Spirit Airlines Logo
12:16 pm - 10:53 pm
IAH
-
BWI
9h 37m
1 stop
$110Spirit Airlines
Sat, Feb 28 - Tue, Mar 3
Multiple Airlines Logo
6:41 pm - 9:27 pm
BWI
-
IAH
3h 46mnonstop
Multiple Airlines Logo
6:08 pm - 12:41 am
IAH
-
BWI
5h 33m
1 stop
$111Multiple Airlines
Tue, Mar 10 - Fri, Mar 13
Spirit Airlines Logo
7:57 pm - 10:44 pm
BWI
-
IAH
3h 47mnonstop
Spirit Airlines Logo
5:20 am - 9:14 am
IAH
-
BWI
2h 54mnonstop
$112Spirit Airlines
Sat, Feb 28 - Tue, Mar 17
Multiple Airlines Logo
7:57 pm - 10:44 pm
BWI
-
IAH
3h 47mnonstop
Multiple Airlines Logo
5:58 pm - 12:41 am
IAH
-
BWI
5h 43m
1 stop
$113Multiple Airlines
Mon, Mar 2 - Wed, Mar 18

Spirit Airlines flights from Baltimore to Houston George Bush Intcntl Airport

Our best Spirit Airlines deals on Baltimore to Houston George Bush Intcntl Airport flight tickets
Spirit Airlines
Feb 24
BWI6:41 pmBaltimore/Washington
3h 46m
IAH9:27 pmHouston George Bush Intcntl
Mar 3
IAH12:16 pmHouston George Bush Intcntl
9h 37m
1 stop
BWI10:53 pmBaltimore/Washington
$108
Spirit Airlines
Mar 7
BWI7:57 pmBaltimore/Washington
3h 47m
IAH10:44 pmHouston George Bush Intcntl
Mar 14
IAH5:20 amHouston George Bush Intcntl
2h 54m
BWI9:14 amBaltimore/Washington
$109
Spirit Airlines
Feb 28
BWI7:57 pmBaltimore/Washington
3h 47m
IAH10:44 pmHouston George Bush Intcntl
Mar 3
IAH12:16 pmHouston George Bush Intcntl
9h 37m
1 stop
BWI10:53 pmBaltimore/Washington
$110

Frontier flights from Baltimore to Houston George Bush Intcntl Airport

Our best Frontier deals on Baltimore to Houston George Bush Intcntl Airport flight tickets
Frontier
Apr 23
BWI12:07 pmBaltimore/Washington
3h 40m
IAH2:47 pmHouston George Bush Intcntl
Apr 30
IAH7:00 amHouston George Bush Intcntl
3h 12m
BWI11:12 amBaltimore/Washington
$104
Frontier
Apr 30
BWI12:07 pmBaltimore/Washington
3h 40m
IAH2:47 pmHouston George Bush Intcntl
May 3
IAH7:00 amHouston George Bush Intcntl
3h 12m
BWI11:12 amBaltimore/Washington
$105
Frontier
Apr 24
BWI12:07 pmBaltimore/Washington
3h 40m
IAH2:47 pmHouston George Bush Intcntl
Apr 26
IAH7:00 amHouston George Bush Intcntl
3h 12m
BWI11:12 amBaltimore/Washington
$106

momondo Fare Finder

 
Customize your flight search to find flights from Baltimore to Houston George Bush Intcntl Airport 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, momondo users made 832,500 searches. Data last updated February 12, 2026.
Use the filters below to find and compare flights from Baltimore to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreHouston

BWI - IAH

BWIIAH

Baltimore/Washington

Thu 4/23

12:07 pm-2:47 pm

Nonstop3h 40m

Houston George Bush Intcntl

Thu 4/30

7:00 am-11:12 am

Nonstop3h 12m

$104

BaltimoreHouston

BWI - IAH

BWIIAH

Baltimore/Washington

Thu 4/30

12:07 pm-2:47 pm

Nonstop3h 40m

Houston George Bush Intcntl

Sun 5/3

7:00 am-11:12 am

Nonstop3h 12m

$105

BaltimoreHouston

BWI - IAH

BWIIAH

Baltimore/Washington

Fri 4/24

12:07 pm-2:47 pm

Nonstop3h 40m

Houston George Bush Intcntl

Sun 4/26

7:00 am-11:12 am

Nonstop3h 12m

$106

BaltimoreHouston

BWI - IAH

BWIIAH

Baltimore/Washington

Fri 5/8

12:07 pm-2:47 pm

Nonstop3h 40m

Houston George Bush Intcntl

Sun 5/10

7:00 am-11:12 am

Nonstop3h 12m

$107

BaltimoreHouston

BWI - IAH

BWIIAH

Baltimore/Washington

Tue 2/24

6:41 pm-9:27 pm

Nonstop3h 46m

Houston George Bush Intcntl

Tue 3/3

12:16 pm-10:53 pm

1 stop9h 37m

$108

BaltimoreHouston

BWI - IAH

BWIIAH

Baltimore/Washington

Sat 3/7

7:57 pm-10:44 pm

Nonstop3h 47m

Houston George Bush Intcntl

Sat 3/14

5:20 am-9:14 am

Nonstop2h 54m

$109

BaltimoreHouston

BWI - IAH

BWIIAH

Baltimore/Washington

Sat 2/28

7:57 pm-10:44 pm

Nonstop3h 47m

Houston George Bush Intcntl

Tue 3/3

12:16 pm-10:53 pm

1 stop9h 37m

$110

BaltimoreHouston

BWI - IAH

BWIIAH

Baltimore/Washington

Tue 3/10

6:41 pm-9:27 pm

Nonstop3h 46m

Houston George Bush Intcntl

Fri 3/13

6:08 pm-12:41 am

1 stop5h 33m

$111

BaltimoreHouston

BWI - IAH

BWIIAH

Baltimore/Washington

Sat 2/28

7:57 pm-10:44 pm

Nonstop3h 47m

Houston George Bush Intcntl

Tue 3/17

5:20 am-9:14 am

Nonstop2h 54m

$112

BaltimoreHouston

BWI - IAH

BWIIAH

Baltimore/Washington

Mon 3/2

7:57 pm-10:44 pm

Nonstop3h 47m

Houston George Bush Intcntl

Wed 3/18

5:58 pm-12:41 am

1 stop5h 43m

$113

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Houston from

How to get the cheapest flight ticket from Baltimore to Houston George Bush Intcntl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Houston George Bush Intcntl Airport?

The month of September is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Baltimore, with most prices found around $148. If you are unable to visit Houston George Bush Intcntl Airport during the month of September, then departing from Baltimore during the month August is also very affordable. Most momondo users find prices during this month for around $189.

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

The cheapest day to depart from Baltimore to Houston George Bush Intcntl Airport is on a Friday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Friday will often find tickets for as low as $483. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Monday is $534.

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

Our data shows that the cheapest Baltimore to Houston George Bush Intcntl Airport flights are usually those with departure times in the evening. Our users have found flights to Houston George Bush Intcntl Airport in the evening for as low as $417. Try not to purchase tickets in the afternoon because they tend to be around $658. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Baltimore/Washington to Houston George Bush Intcntl flight route?

Fly from Baltimore/Washington to Houston George Bush Intcntl for the best Baltimore/Washington - Houston George Bush Intcntl flight prices

How far in advance should I book a flight to Houston George Bush Intcntl Airport?

You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from Baltimore when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around $235 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from Baltimore for as low as $158 on momondo.

What cabin class options are available on Baltimore/Washington to Houston George Bush Intcntl flights?

There are 4 cabin classes available to choose from on Baltimore/Washington to Houston George Bush Intcntl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Baltimore to Houston George Bush Intcntl Airport flight prices changed over time?

As of February 2026, prices for Baltimore to Houston George Bush Intcntl Airport flights are approximately 27% cheaper when compared to flights at the same time last year.

When to book flights from Baltimore to Houston George Bush Intcntl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Baltimore to Houston George Bush Intcntl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Baltimore to Houston George Bush Intcntl Airport (BWI to IAH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Baltimore to Houston George Bush Intcntl Airport

Best Price Found

$99

Fastest flight time

3h 11m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from Baltimore in the past 72 hours is $99. The best round-trip flight deal from Baltimore to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $214.
The fastest flight from Baltimore to Houston George Bush Intcntl Airport takes 3h 11m
Direct flights go from Baltimore to Houston George Bush Intcntl Airport every day.
Search flight deals

  • How far is Baltimore/Washington to Houston George Bush Intcntl by plane?

    A flight from Baltimore/Washington to Houston George Bush Intcntl will travel around 1239.1 mi. In terms of flight time, this usually takes a little over 3h 11m.

  • When did momondo last update prices for flights from Baltimore/Washington Airport to Houston George Bush Intcntl Airport?

    Prices for flights from Baltimore/Washington Airport to Houston George Bush Intcntl Airport refresh daily.

  • How many operators does momondo search for flights from Baltimore/Washington Airport to Houston George Bush Intcntl Airport?

  • How old do you have to be to fly from Baltimore/Washington Airport to Houston George Bush Intcntl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Baltimore/Washington Airport to Houston George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The necessary travel and health documents for your Houston George Bush Intcntl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Baltimore to Houston George Bush Intcntl Airport?

  • What is the most popular airline from Baltimore to Houston George Bush Intcntl Airport?

Best airlines flying from Baltimore to Houston George Bush Intcntl Airport

Compare and see reviews for airlines that fly from Baltimore to Houston George Bush Intcntl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $58Free CancellationRating
5.7
3,052 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $84Free CancellationRating
6.3
8,444 reviews
Search Spirit Airlines flights
DeltaPriceFrom $108Free CancellationRating
7.9
8,181 reviews
Search Delta flights
United AirlinesPriceFrom $183Free CancellationRating
7.4
9,279 reviews
Search United Airlines flights
American AirlinesPriceFrom $186Free CancellationRating
7.2
11,271 reviews
Search American Airlines flights

  • United Airlines Flights From Baltimore to Houston George Bush Intcntl Airport

    United Airlines flight deals from Baltimore to Houston George Bush Intcntl Airport start from $183 round-trip. Over the 12 United Airlines flights for this route in a normal week, average airfare is usually $353 round-trip - but some users have found much cheaper deals with momondo.

  • Spirit Airlines Flights From Baltimore to Houston George Bush Intcntl Airport

    $84 is the best Spirit Airlines flight deal from Baltimore to Houston George Bush Intcntl Airport found on momondo over the last 72 hours. The average Spirit Airlines ticket price found was closer to $186, however, with flight time and availability significantly affecting the price. Spirit Airlines (6.3/10 from 8,444 user reviews) flies into Houston George Bush Intcntl Airport from Baltimore 3 times in an average week so prices can vary.

Traveling to a place near Houston?

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

Why use momondo?

Why should I use momondo to find a flight deal from Baltimore to Houston?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Baltimore to Houston. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Baltimore to Houston with flexible booking policies on momondo?

momondo does allow users to show only those flights to Houston from Baltimore which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Baltimore to Houston?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Houston from Baltimore.

I’m not ready to book a flight from Baltimore to Houston right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Baltimore to Houston flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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