$136 Cheap Flights from Bismarck (BIS) to Houston (IAH)

View $136 flight on Tue, Sep 16, 2025Opens in a new window

Popular airlines from Bismarck, ND (BIS-Bismarck Municipal) to George Bush Intercontinental Airport (IAH)

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Cheap Flights from Bismarck to Houston (BIS-IAH)

Prices were available within the past 7 days and start at $136 for one-way flights and $269 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Aug 26 - Sun, Aug 31
BIS
Bismarck
IAH
Houston
$269 Roundtrip, found 1 hour ago
$269
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Aug 26 from Bismarck to Houston, returning Sun, Aug 31, priced at $269 found 1 hour ago
American Airlines
Sat, Sep 20 - Sat, Sep 27
BIS
Bismarck
IAH
Houston
$269 Roundtrip, found 3 hours ago
$269
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sat, Sep 20 from Bismarck to Houston, returning Sat, Sep 27, priced at $269 found 3 hours ago
Delta
Sun, Aug 31 - Wed, Sep 3
BIS
Bismarck
IAH
Houston
$271 Roundtrip, found 1 hour ago
$271
Roundtrip
found 1 hour ago
Select Delta flight, departing Sun, Aug 31 from Bismarck to Houston, returning Wed, Sep 3, priced at $271 found 1 hour ago
Delta
Tue, Sep 16 - Tue, Sep 30
BIS
Bismarck
IAH
Houston
$274 Roundtrip, found 3 days ago
$274
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Sep 16 from Bismarck to Houston, returning Tue, Sep 30, priced at $274 found 3 days ago
Delta
Sun, Sep 28 - Sat, Oct 11
BIS
Bismarck
IAH
Houston
$274 Roundtrip, found 2 days ago
$274
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Sep 28 from Bismarck to Houston, returning Sat, Oct 11, priced at $274 found 2 days ago
Delta
Tue, Oct 14 - Wed, Oct 15
BIS
Bismarck
IAH
Houston
$276 Roundtrip, found 6 days ago
$276
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Oct 14 from Bismarck to Houston, returning Wed, Oct 15, priced at $276 found 6 days ago
Delta
Tue, Feb 10 - Sat, Feb 21
BIS
Bismarck
IAH
Houston
$279 Roundtrip, found 6 days ago
$279
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Feb 10 from Bismarck to Houston, returning Sat, Feb 21, priced at $279 found 6 days ago
United
Sat, Nov 8 - Thu, Nov 20
BIS
Bismarck
IAH
Houston
$282 Roundtrip, found 12 hours ago
$282
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Nov 8 from Bismarck to Houston, returning Thu, Nov 20, priced at $282 found 12 hours ago
United
Fri, Aug 22 - Sat, Aug 30
BIS
Bismarck
IAH
Houston
$283 Roundtrip, found 2 days ago
$283
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 22 from Bismarck to Houston, returning Sat, Aug 30, priced at $283 found 2 days ago
United
Sat, Nov 8 - Fri, Nov 21
BIS
Bismarck
IAH
Houston
$284 Roundtrip, found 6 days ago
$284
Roundtrip
found 6 days ago
Select United flight, departing Sat, Nov 8 from Bismarck to Houston, returning Fri, Nov 21, priced at $284 found 6 days ago

Find the cheapest month to fly from Bismarck (BIS) to Houston (IAH)

September is typically the cheapest month to fly

From $202 - $518 per traveler.

Graph displaying average flight prices per month

Alternative airports near Houston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $319
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $319
Flights from Bismarck (BIS) to Houston (IAH)
Origin airport
Bismarck Municipal
Destination airport
George Bush Intercontinental
Airlines serving
American Airlines, Delta, United
Roundtrip price
$268
Distance
1195 mi

Bismarck to Houston Flights

The cheapest times to fly from Bismarck to Houston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bismarck to Houston are during the month of August. You can find some of the cheapest flights from Bismarck to Houston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bismarck to Houston

Sunday is one of the best days to book for cheap flights from Bismarck to Houston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Bismarck to Houston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bismarck to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $136 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bismarck to Houston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Bismarck to Houston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Bismarck Municipal Airport (BIS) to George Bush Intercontinental Airport (IAH) cost?
Discover the latest flight deals from BIS to IAH by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from BIS to IAH?
The cheapest flights from BIS to IAH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from BIS to IAH?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from BIS to IAH. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Bismarck Municipal Airport (BIS) to George Bush Intercontinental Airport (IAH)?
Nonstop flights from Bismarck Municipal Airport (BIS) to George Bush Intercontinental Airport (IAH) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BIS to IAH?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Bismarck Municipal Airport (BIS) to George Bush Intercontinental Airport (IAH)?
Select a flight from Bismarck Municipal Airport (BIS) to George Bush Intercontinental Airport (IAH) that takes off before 3 PM to reduce the risk of cancellations. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Bismarck Municipal Airport (BIS) to George Bush Intercontinental Airport (IAH) last-minute?
Last-minute fares from BIS to IAH are typically more expensive. To secure the cheapest rates, start looking for flights well ahead of time. That said, if you can play around with your travel dates, you may find a cheap fare right before your trip.
Is it cheaper to book a BIS to IAH flight and hotel package?
Compared with arranging hotels and flights separately, booking a BIS to IAH flight and hotel package with Expedia could result in significant savings. Better still, having everything in one easy place takes the hassle out of planning your trip. Just secure your flights and choose from our extensive range of stays, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Bismarck Municipal Airport (BIS) to George Bush Intercontinental Airport (IAH)?
It's usually possible to reschedule or cancel your BIS to IAH flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.