BWI - IAH

$101 Find Cheap Flights from Baltimore to Houston George Bush Airport - Compare and Save

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Everything you should know

Cheapest round-trip
$156
Typical prices: $175-$370
Frontier
Sun 12/2Thu 12/6
BWI - IAH • 1 stop
Cheapest non-stop
$158
Typical prices: $171-$373
Frontier
Wed 12/5Fri 12/14
BWI - IAH • Non-stop
Nonstop flights
You can fly direct with United Airlines and Frontier. Average duration is 3h 41m
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 47% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 31% 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

Wed, Dec 2 - Sun, Dec 6
Frontier Logo
6:00 am - 11:50 amBWI  Baltimore/Washington-IAH Houston George Bush Intcntl
6h 50m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
9:41 am - 10:41 pmIAH  Houston George Bush Intcntl-BWI Baltimore/Washington
12h 00m1 stop Atlanta Hartsfield-Jackson
$156Frontier
Fri, Feb 5 - Mon, Feb 8
Frontier Logo
5:13 pm - 7:55 pmBWI  Baltimore/Washington-IAH Houston George Bush Intcntl
3h 42mnonstop
Frontier Logo
8:50 pm - 6:56 amIAH  Houston George Bush Intcntl-BWI Baltimore/Washington
9h 06m1 stop Atlanta Hartsfield-Jackson
$156Frontier
Tue, Nov 17 - Thu, Nov 19
Multiple Airlines Logo
3:40 pm - 4:05 pmBWI  Baltimore/Washington-IAH Houston George Bush Intcntl
25h 25m1 stop Fort Lauderdale
Multiple Airlines Logo
3:39 pm - 7:46 pmIAH  Houston George Bush Intcntl-BWI Baltimore/Washington
3h 07mnonstop
$206Multiple Airlines
Thu, Nov 12 - Tue, Nov 17
Multiple Airlines Logo
6:10 am - 4:05 pmBWI  Baltimore/Washington-IAH Houston George Bush Intcntl
10h 55m1 stop Fort Lauderdale
Multiple Airlines Logo
8:18 am - 1:01 pmIAH  Houston George Bush Intcntl-BWI Baltimore/Washington
27h 43m1 stop Fort Lauderdale
$217Multiple Airlines
Tue, Dec 15 - Tue, Feb 16
United Airlines Logo
6:00 am - 8:36 amBWI  Baltimore/Washington-IAH Houston George Bush Intcntl
3h 36mnonstop
United Airlines Logo
12:20 pm - 4:24 pmIAH  Houston George Bush Intcntl-BWI Baltimore/Washington
3h 04mnonstop
$237United Airlines
Sat, Nov 21 - Mon, Nov 23
United Airlines Logo
6:00 am - 8:37 amBWI  Baltimore/Washington-IAH Houston George Bush Intcntl
3h 37mnonstop
United Airlines Logo
7:34 pm - 11:38 pmIAH  Houston George Bush Intcntl-BWI Baltimore/Washington
3h 04mnonstop
$243United Airlines
Sat, Feb 6 - Tue, Feb 16
Delta Logo
7:08 am - 2:19 pmBWI  Baltimore/Washington-IAH Houston George Bush Intcntl
8h 11m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:15 am - 3:40 pmIAH  Houston George Bush Intcntl-BWI Baltimore/Washington
7h 25m1 stop Atlanta Hartsfield-Jackson
$257Delta
Wed, Feb 3 - Sat, Feb 20
Delta Logo
10:10 am - 2:51 pmBWI  Baltimore/Washington-IAH Houston George Bush Intcntl
5h 41m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:55 am - 11:48 amIAH  Houston George Bush Intcntl-BWI Baltimore/Washington
4h 53m1 stop Atlanta Hartsfield-Jackson
$257Delta
Wed, Dec 9 - Tue, Dec 15
American Airlines Logo
11:51 am - 6:11 pmBWI  Baltimore/Washington-IAH Houston George Bush Intcntl
7h 20m1 stop Dallas/Fort Worth
American Airlines Logo
7:00 am - 3:47 pmIAH  Houston George Bush Intcntl-BWI Baltimore/Washington
7h 47m1 stop Dallas/Fort Worth
$263American Airlines
Sat, Jan 16 - Sat, Jan 23
American Airlines Logo
4:59 pm - 10:50 pmBWI  Baltimore/Washington-IAH Houston George Bush Intcntl
6h 51m1 stop Dallas/Fort Worth
American Airlines Logo
10:52 am - 8:33 pmIAH  Houston George Bush Intcntl-BWI Baltimore/Washington
8h 41m2 stops Dallas/Fort Worth Chicago O'Hare Intl
$377American 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 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 typically range from $175 to $370. The lowest price found in the past 5 days was $156, on Frontier.

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

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Baltimore to Houston George Bush Intcntl Airport. It’s 9% cheaper than the average day, while Sunday is the most expensive, with prices 9% higher.

What’s 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 $186 round-trip.
•July ($326) and September ($318) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 75% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights 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 47% 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

September

Cheapest flight

$101
Beat the crowds with an average 40% drop in travelers.
The most popular month to fly with an average 44% increase in travelers.
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

  • 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 9:41 am
    • Latest: departs at 5:57 pm and lands at 9:38 pm.

    The flight takes about 3h 41m.

  • 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 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 41m, 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.

  • 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 $175 to $370, with an average of $268 over the past 12 months. Anything below $175 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 36% above the $268 route average. Book 6 weeks before departure for the lowest fares.

  • 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 $267 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 $40–$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 Frontier. Other aircraft seen on the route include Boeing 737 MAX 9 variants.

  • 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%.

  • Which airlines offer Wi-Fi on Baltimore to Houston George Bush Intcntl Airport flights?

    JetBlue is the only airline on the Baltimore to Houston George Bush Intcntl Airport route offering in-flight Wi-Fi. Pricing depends on fare class.

  • 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 lower than usual. Average one-way flight prices are about $146, which is 13% below the typical average for this route.

  • 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 averaging $40 for economy cars. Top options include:

    • ACO Rent A Car
    • Easirent
    • America Car Rental
    • Thrifty
    • Hertz

  • 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 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
    • Fort Lauderdale (FLL) - 8% of one-stop connections
    • Orlando (MCO) - 6% of one-stop connections

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

    Yes. Flexible dates can save you up to 17% on flights from Baltimore to Houston George Bush Intcntl Airport. Saturday is the cheapest departure day at $245 round-trip on average, while Sunday is the most expensive at $293, a difference of $48.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What airlines fly 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

  • 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 6h 12m via Tampa (TPA) and 7h 49m via Fort Lauderdale (FLL).

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

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

  • 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.

  • 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
    • JetBlue: a cabin bag in Economy Class class

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

  • 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.

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 are flexible, aim for a Saturday departure and avoid flying on Sunday. On this route, Saturday flights average $245, about $48 less than Sunday fares (16% 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 47% 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 $186 round-trip in that month - typically $140 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 $39 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