$321+ Cheap flights from George Bush Intcntl (IAH) to Bismarck (BIS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — BIS
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from George Bush Intcntl to Bismarck
Cheapest
Best
Last-minute
One-way
Cheapest flights from George Bush Intcntl to BismarckExplore the most affordable flight options available from George Bush Intcntl to Bismarck. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from George Bush Intcntl to Bismarck. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:15 am -
1 stop8h 34m
Sat 1/95:30 pm -
1 stop5h 18m
Deal found 9/9![Delta logo]()
$321
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:46 pm -
1 stop5h 25m
Sat 10/35:00 am -
1 stop4h 52m
Deal found 9/9![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:10 am -
1 stop6h 27m
Mon 9/211:17 pm -
1 stop8h 13m
Deal found 9/9![Delta logo]()
$456
Best flights from George Bush Intcntl to BismarckDiscover carefully curated flight deals from George Bush Intcntl to Bismarck that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from George Bush Intcntl to Bismarck that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:46 pm -
1 stop5h 25m
Sat 10/35:00 am -
1 stop4h 52m
Deal found 9/9![Delta logo]()
$339
This KAYAK deal was found by Cheapflights users on 9/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:00 am -
1 stop7h 27m
Tue 9/227:12 am -
1 stop6h 05m
Deal found 9/5![American Airlines logo]()
$639
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:10 am -
1 stop6h 27m
Mon 9/211:17 pm -
1 stop8h 13m
Deal found 9/9![Delta logo]()
$456
This deal was found by Cheapflights users on 9/9. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:20 am -
1 stop5h 31m
Sun 9/201:30 pm -
1 stop7h 25m
Deal found 9/9![United Airlines logo]()
$1,145
This KAYAK deal was found by Cheapflights users on 9/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:13 pm -
1 stop6h 39m
Tue 9/221:57 pm -
1 stop6h 36m
Deal found 9/4![American Airlines logo]()
$675
Last-minute flights from George Bush Intcntl to BismarckDiscover last-minute flight deals from George Bush Intcntl to Bismarck. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from George Bush Intcntl to Bismarck. Data last updated September 10, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:10 am -
1 stop6h 27m
Mon 9/211:17 pm -
1 stop8h 13m
Deal found 9/9![Delta logo]()
$456
This deal was found by Cheapflights users on 9/9. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:20 am -
1 stop5h 31m
Sun 9/201:30 pm -
1 stop7h 25m
Deal found 9/9![United Airlines logo]()
$1,145
This KAYAK deal was found by Cheapflights users on 9/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:00 am -
1 stop7h 27m
Tue 9/227:12 am -
1 stop6h 05m
Deal found 9/5![American Airlines logo]()
$639
This KAYAK deal was found by Cheapflights users on 9/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:13 pm -
1 stop6h 39m
Tue 9/221:57 pm -
1 stop6h 36m
Deal found 9/4![American Airlines logo]()
$675
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:46 pm -
1 stop5h 25m
Sat 10/35:00 am -
1 stop4h 52m
Deal found 9/9![Delta logo]()
$339
One-way flights from George Bush Intcntl to BismarckSearch for one-way flight options from George Bush Intcntl to Bismarck. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from George Bush Intcntl to Bismarck. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This deal was found by Cheapflights users on 9/9. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:18 pm -
1 stop5h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$387
This deal was found by Cheapflights users on 9/9. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:18 pm -
1 stop5h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$490
Find flight deals from George Bush Intcntl to Bismarck
Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Bismarck (BIS). 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 September 10, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $321 (Delta) |
Popular in | November |
Cheapest in | September |
Average price | $324 |
Cheapflights Fare Finder
Customize your flight search to find flights from George Bush Intcntl to Bismarck 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 7,457,451 searches. Data last updated September 10, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Bismarck that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HoustonBismarck
IAH Houston George Bush Intcntl - BIS Bismarck
IAHBIS
Houston George Bush Intcntl
Wed 9/30
5:46 pm-11:11 pm
1 stop5h 25m
Bismarck
Sat 10/3
5:00 am-9:52 am
1 stop4h 52m
$339
Quickest round-trip
HoustonBismarck
IAH Houston George Bush Intcntl - BIS Bismarck
IAHBIS
Houston George Bush Intcntl
Tue 9/15
6:18 pm-11:38 pm
1 stop5h 20m
Bismarck
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$387
HoustonBismarck
IAH Houston George Bush Intcntl - BIS Bismarck
IAHBIS
Houston George Bush Intcntl
Tue 9/15
6:10 am-12:37 pm
1 stop6h 27m
Bismarck
Mon 9/21
1:17 pm-9:30 pm
1 stop8h 13m
$456
HoustonBismarck
IAH Houston George Bush Intcntl - BIS Bismarck
IAHBIS
Houston George Bush Intcntl
Mon 9/14
6:18 pm-11:38 pm
1 stop5h 20m
Bismarck
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$490
HoustonBismarck
IAH Houston George Bush Intcntl - BIS Bismarck
IAHBIS
Houston George Bush Intcntl
Sun 9/20
6:00 am-1:27 pm
1 stop7h 27m
Bismarck
Tue 9/22
7:12 am-1:17 pm
1 stop6h 05m
$639
HoustonBismarck
IAH Houston George Bush Intcntl - BIS Bismarck
IAHBIS
Houston George Bush Intcntl
Mon 9/21
4:13 pm-10:52 pm
1 stop6h 39m
Bismarck
Tue 9/22
1:57 pm-8:33 pm
1 stop6h 36m
$675
HoustonBismarck
IAH Houston George Bush Intcntl - BIS Bismarck
IAHBIS
Houston George Bush Intcntl
Fri 9/18
7:20 am-12:51 pm
1 stop5h 31m
Bismarck
Sun 9/20
1:30 pm-8:55 pm
1 stop7h 25m
$1,145
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Bismarck flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Houston George Bush Intcntl Airport-Bismarck flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Bismarck flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Bismarck flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Bismarck flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from George Bush Intcntl to Bismarck
Have a flexible travel schedule? Discover the best time to fly to Bismarck from George Bush Intcntl with our price prediction graph.
IAH-BIS
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.
Related info for your journey
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