BWI - IAH

$102 Find Cheap Flights from Baltimore to Houston George Bush Airport - Compare and Save

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Everything you should know

Cheapest round-trip
$170
Typical prices: $165-$354
Frontier
Mon 10/29Sun 11/4
BWI - IAH • 1 stop
Cheapest non-stop
$173
Typical prices: $161-$358
Frontier
Mon 10/22Thu 10/25
BWI - IAH • Non-stop
Nonstop flights
You can fly direct with United Airlines and Frontier. Average duration is 3h 30m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 6 weeks in advance save around 49% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 27% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $228 (round-trip)
Shortest trip • 5h 24m (one-way)
Insights
Insights
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We hope you love your trip to Houston George Bush Intcntl Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Baltimore to George Bush Intcntl (BWI-IAH)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Baltimore to George Bush Intcntl

Thu, Oct 29 - Wed, Nov 4
Frontier Logo
9:12 pm - 7:23 amBWI  Baltimore/Washington-IAH Houston George Bush Intcntl
11h 11m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
3:48 pm - 2:16 pmIAH  Houston George Bush Intcntl-BWI Baltimore/Washington
21h 28m1 stop Detroit Metropolitan Wayne County
$170Frontier
Sat, Nov 7 - Tue, Nov 17
Frontier Logo
4:59 pm - 7:36 pmBWI  Baltimore/Washington-IAH Houston George Bush Intcntl
3h 37mnonstop
Frontier Logo
12:19 pm - 12:22 amIAH  Houston George Bush Intcntl-BWI Baltimore/Washington
11h 03m1 stop Atlanta Hartsfield-Jackson
$170Frontier
Wed, Sep 23 - Mon, Sep 28
JetBlue Logo
4:00 pm - 9:55 pmBWI  Baltimore/Washington-IAH Houston George Bush Intcntl
6h 55m1 stop Fort Lauderdale
JetBlue Logo
12:58 pm - 10:33 pmIAH  Houston George Bush Intcntl-BWI Baltimore/Washington
8h 35m1 stop Fort Lauderdale
$287JetBlue
Sat, Oct 24 - Sat, Oct 31
Multiple Airlines Logo
5:42 pm - 8:09 pmBWI  Baltimore/Washington-IAH Houston George Bush Intcntl
3h 27mnonstop
Multiple Airlines Logo
12:44 pm - 11:30 pmIAH  Houston George Bush Intcntl-BWI Baltimore/Washington
9h 46m1 stop Fort Lauderdale
$296Multiple Airlines
Sat, Oct 24 - Sat, Oct 31
United Airlines Logo
3:04 pm - 5:25 pmBWI  Baltimore/Washington-IAH Houston George Bush Intcntl
3h 21mnonstop
United Airlines Logo
6:40 pm - 10:44 pmIAH  Houston George Bush Intcntl-BWI Baltimore/Washington
3h 04mnonstop
$297United Airlines
Thu, Oct 1 - Thu, Oct 8
United Airlines Logo
1:05 pm - 3:30 pmBWI  Baltimore/Washington-IAH Houston George Bush Intcntl
3h 25mnonstop
United Airlines Logo
6:25 pm - 10:34 pmIAH  Houston George Bush Intcntl-BWI Baltimore/Washington
3h 09mnonstop
$306United Airlines
Wed, Sep 23 - Wed, Sep 23
American Airlines Logo
6:01 am - 10:04 amBWI  Baltimore/Washington-IAH Houston George Bush Intcntl
5h 03m1 stop Charlotte Douglas
American Airlines Logo
2:08 pm - 9:29 pmIAH  Houston George Bush Intcntl-BWI Baltimore/Washington
6h 21m1 stop Dallas/Fort Worth
$317American Airlines
Thu, Nov 26 - Wed, Dec 2
Delta Logo
6:00 am - 11:22 amBWI  Baltimore/Washington-IAH Houston George Bush Intcntl
6h 22m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:07 am - 3:44 pmIAH  Houston George Bush Intcntl-BWI Baltimore/Washington
4h 37m1 stop Atlanta Hartsfield-Jackson
$317Delta
Mon, Dec 21 - Tue, Dec 29
Delta Logo
7:45 pm - 11:59 pmBWI  Baltimore/Washington-IAH Houston George Bush Intcntl
5h 14m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:10 am - 11:37 amIAH  Houston George Bush Intcntl-BWI Baltimore/Washington
5h 27m1 stop Detroit Metropolitan Wayne County
$317Delta
Fri, Jan 8 - Sat, Jan 16
American Airlines Logo
5:03 pm - 10:47 pmBWI  Baltimore/Washington-IAH Houston George Bush Intcntl
6h 44m1 stop Charlotte Douglas
American Airlines Logo
9:09 am - 5:36 pmIAH  Houston George Bush Intcntl-BWI Baltimore/Washington
7h 27m1 stop Charlotte Douglas
$326American Airlines
Booking Insights

Price, demand and travel trends for Baltimore to Houston George Bush Intcntl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Baltimore to Houston George Bush Intcntl Airport with more confidence.

How much is a round-trip flight from Baltimore to Houston George Bush Intcntl Airport?

Round-trip flights from Baltimore to Houston George Bush Intcntl Airport start at $170. Prices are typical for this route right now, with typical round-trip fares ranging from $165 to $354. The lowest price found in the past 5 days was $170 on Frontier.

What's the cheapest day of the week to fly from Baltimore to Houston George Bush Intcntl Airport?

Saturday is the cheapest day of the week to fly from Baltimore to Houston George Bush Intcntl Airport, it is 14% cheaper than the average day. Sunday is the most expensive day with flight prices 11% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • January is the cheapest month to fly from Baltimore to Houston George Bush Intcntl Airport at $184 round-trip.
  • July ($327) and June ($312) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 77% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Baltimore to Houston George Bush Intcntl Airport the cheapest?

Flights from Baltimore to Houston George Bush Intcntl Airport are cheapest 6 weeks before departure. Booking in this window typically costs about 49% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Baltimore to George Bush Intcntl

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

John Walton

John Walton

Expert on IAH

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Harriet Baskas

Harriet Baskas

Expert on BWI

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.

Key details for Baltimore to Houston George Bush Intcntl Airport flights

Low season

August

Cheapest flight

$102
Most popular time to fly and prices are also 13% lower on average.
Flight from Baltimore to Houston George Bush Intcntl Airport

When to book flights from Baltimore to George Bush Intcntl

Are your dates flexible? Find out the best times to travel from Baltimore to George Bush Intcntl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Baltimore to Houston George Bush Intcntl Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Are there allowances to upgrade to first class when flying from Baltimore to Houston George Bush Airport?

    Most airlines allow passengers to upgrade to first class if the seats aren't fully booked. You can consider upgrading because the fare is lower when upgrading than when booking first-class directly. In addition, you enjoy many amenities, including special meals, blankets, and complimentary alcoholic drinks, depending on your airline.

  • How can I travel from IAH airport to downtown Houston?

    The available public transport from IAH airport to downtown Houston is the Line 103 bus, which runs every 30 minutes and takes about 47 minutes to get to the city, depending on the traffic. Alternative travel methods include taking a taxi, a town car, or renting a car to arrive at the city in approximately 25 minutes.

  • Are the origin and destination airports hubs for any airlines?

    Baltimore/Washington International Airport (BWI) is a hub for AirTran Airways and Southwest Airlines. Hence, it serves many domestic and international passengers. George Bush International Airport (IAH) is a hub for United Airlines and serves around 45 million passengers annually. The advantages of airports serving as hubs for several airlines are that they allow connections to many cities, and passengers can travel to the destinations of their choice.

  • Which airline has the most favorable carry-on policy from Baltimore to Houston?

    Though many airlines have carry-on policies, Delta Air Lines has a favorable carry-on policy for its passengers. You can carry one bag and a personal item that can fit in the overhead cabin in your seat. However, your luggage shouldn't exceed 22 x 14 x 9 inches. Also, the combined weight limit allowed is 50 lbs.

  • Which airlines offer extra legroom and free seat selection on Baltimore to Houston George Bush Intcntl Airport flights?

    Among airlines operating Baltimore to Houston George Bush Intcntl Airport flights:

    • Frontier: offers free seat selection
    • United Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Baltimore to Houston George Bush Intcntl Airport?

    2 airlines operate flights between Baltimore and Houston George Bush Intcntl Airport. The airlines offering nonstop flights on this route include:

    • United Airlines
    • Frontier

  • Which airports can I use when flying from Baltimore to Houston George Bush Intcntl Airport?

    Flights from Baltimore to Houston George Bush Intcntl Airport usually depart from Baltimore/Washington (BWI) and arrive at Houston George Bush Intcntl (IAH).

  • Which airlines include bags at no extra cost on Baltimore to Houston George Bush Intcntl Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Frontier: a cabin bag and a checked bag in Economy Class
    • United Airlines: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Baltimore to Houston George Bush Intcntl Airport?

    Four cabin classes are available on flights from Baltimore to Houston George Bush Intcntl Airport:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How much can I save by taking a layover when flying from Baltimore to Houston George Bush Intcntl Airport?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $228 round-trip via Miami (MIA), compared to $251 for nonstop.

  • What is the standard checked-bag allowance on flights from Baltimore to Houston George Bush Intcntl Airport?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Baltimore to Houston George Bush Intcntl Airport?

    The Airbus A321neo family is used most often on this route, operated mainly by Spirit Airlines and Frontier. Other aircraft seen on the route include Boeing 737 MAX 9 variants.

  • Which airports do connecting flights from Baltimore to Houston George Bush Intcntl Airport pass through?

    One-stop flights from Baltimore to Houston George Bush Intcntl Airport most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 68% of one-stop connections
    • Charlotte Douglas (CLT) - 14% of one-stop connections
    • Orlando (MCO) - 8% of one-stop connections
    • Fort Lauderdale (FLL) - 4% of one-stop connections

    Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Baltimore to Houston George Bush Intcntl Airport?

    On the Baltimore to Houston George Bush Intcntl Airport route, being flexible with your departure day can save you up to 23%. Saturday is the cheapest day at $220 round-trip on average, while Sunday is the most expensive at $283: a $63 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How are flight departures from Baltimore to Houston George Bush Intcntl Airport spread across the day?

    Afternoon is the busiest departure period on Baltimore to Houston George Bush Intcntl Airport flights, with 50% of flights leaving in that window. Morning departures account for 25%, evening flights for 25%, and night flights for 0%.

  • What popular places can I visit in Houston George Bush Intcntl Airport?

    Some of the most popular sights in Houston George Bush Intcntl Airport are Downtown Houston, George R. Brown Convention Center and Galleria Mall. These are among the most viewed places in Houston George Bush Intcntl Airport on KAYAK.

  • What are the earliest and latest flights from Baltimore to Houston George Bush Intcntl Airport?

    These are the earliest and latest flight times available from Baltimore to Houston George Bush Intcntl Airport:

    • Earliest: departs at 6:00 am and lands at 9:30 am
    • Latest: departs at 5:42 pm and lands at 9:12 pm.

    The flight takes about 3h 30m.

  • How expensive are last-minute Baltimore to Houston George Bush Intcntl Airport flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 37% above the route average of $253. Book 6 weeks before departure for the lowest fares.

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

    A nonstop flight from Baltimore to Houston George Bush Intcntl Airport takes 3h 30m, covering 1,233 miles.

  • Do I need a passport to fly from Baltimore to Houston George Bush Intcntl Airport?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Baltimore to Houston George Bush Intcntl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $170 to $1,631. That means the highest observed fare was about 10x higher than the lowest one.

  • How are flight prices from Baltimore to Houston George Bush Intcntl Airport looking right now?

    One-way fares from Baltimore to Houston George Bush Intcntl Airport are currently higher than usual. Average one-way flight prices are about $171, which is 6% above the typical average for this route.

  • How much time can I save by choosing a different layover airport from Baltimore to Houston George Bush Intcntl Airport?

    Flying via Charlotte Douglas (CLT) gives the shortest average 1-stop total travel time at 5h 24m, compared with 7h 45m via Tampa (TPA) and 7h 52m via Atlanta Hartsfield-Jackson (ATL).

  • What is the time difference between Baltimore and Houston George Bush Intcntl Airport?

    Houston George Bush Intcntl Airport is 1 hour behind Baltimore (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Houston George Bush Intcntl Airport (IAH)?

    Houston George Bush Intcntl Airport (IAH) hosts 5 major car rental companies, with daily rates starting from around $3 for economy cars. Top options include:
    · ACO Rent A Car
    · Easirent
    · America Car Rental
    · Hertz
    · Thrifty

  • How much should I expect to pay for a Baltimore to Houston George Bush Intcntl Airport flight?

    Round-trip flights from Baltimore to Houston George Bush Intcntl Airport range from $165 to $354, with an average of $253 over the past 12 months. Anything below $165 counts as a good deal.

Your guide to booking Baltimore to Houston George Bush Intcntl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Saturday departure instead of Sunday. On this route, Saturday flights average $220 - about $63 less than Sunday (22% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 6 weeks before you fly. On this route, that window historically saves about 49% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Baltimore to Houston George Bush Intcntl Airport trip for January. Fares historically average $184 round-trip in that month - typically $143 less than the most expensive month, which is July (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Miami Airport (MIA) can be cheaper than flying direct. The cheapest layover option averages $228 round-trip on this route - about $23 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Houston George Bush Intcntl Airport.
    - Houston Airport Marriott at George Bush Intercontinental
  • Most airlines from Baltimore to Houston George Bush Airport (IAH) offer nonstop flights. However, American Airlines and Frontier Airlines can have layovers in Washington, DC. The layover period for American Airlines is shorter than that of Frontier Airlines, so do some research before booking to avoid inconveniences.
  • IAH airport serves several nearby cities. From the airport, you can go to Aldine to the southwest, Humble to the northeast, Spring to the north, and Atascocita to the east. All these cities are connected to the airport by buses or trains, convenient public transportation.
  • American Airlines is your best choice if you would like to make a more sustainable journey when booking cheap flights from Baltimore to Houston George Bush Airport. These airlines ensure decarbonization through renewable energy (sustainable aviation fuel), water conservation, and energy efficiency. Spirit Airlines is also environmentally conscious and has a fuel-efficient fleet to ensure the safety of people and the environment.
  • Many airlines, including Frontier, Delta Air Lines, United Airlines, and American Airlines, offer cheap flights from Baltimore to Houston George Bush Airport. Though they have competitive prices, prices vary from one airline to another. Before booking, compare the prices and choose an airline within your set travel budget.
  • The best way to travel from downtown Baltimore to Baltimore/Washington International Airport (BWI) is taking the Line 75 bus to arrive at the airport in about 23 minutes. Another alternative is the Light Raillink tram, which takes about 49 minutes to arrive at the airport.

Prefer to fly direct from Baltimore to Houston George Bush Airport?

 
Find which airlines fly direct from Baltimore/Washington Airport to Houston George Bush Intcntl Airport, which days they fly and book direct flights.

Direct departures

Baltimore/Washington to Houston George Bush Intcntl

Monday

Frontier,United Airlines

Frontier,United Airlines

Tuesday

Frontier,United Airlines

Frontier,United Airlines

Wednesday

Frontier,United Airlines

Frontier,United Airlines

Thursday

Frontier,United Airlines

Frontier,United Airlines

Friday

Frontier,United Airlines

Frontier,United Airlines

Saturday

Frontier,United Airlines

Frontier,United Airlines

Sunday

Frontier,United Airlines

Frontier,United Airlines

See more direct flights

Direct returns

Houston George Bush Intcntl to Baltimore/Washington

Monday

Frontier,United Airlines

Frontier,United Airlines

Tuesday

Frontier,United Airlines

Frontier,United Airlines

Wednesday

Frontier,United Airlines

Frontier,United Airlines

Thursday

Frontier,United Airlines

Frontier,United Airlines

Friday

Frontier,United Airlines

Frontier,United Airlines

Saturday

Frontier,United Airlines

Frontier,United Airlines

Sunday

Frontier,United Airlines

Frontier,United Airlines

See more direct flights

More options for your flight from Baltimore to George Bush Intcntl

Complete your trip to Houston with a hotel stay or car rental