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$298+ Cheap flights from George Bush Intcntl (IAH) to Duluth (DLH)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — DLH
Jul 16 — Jul 231
Thu 7/16
Thu 7/23
1 adult, Economy
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Cheap flight deals from George Bush Intcntl to Duluth

Cheapest flights from George Bush Intcntl to Duluth
Explore the most affordable flight options available from George Bush Intcntl to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2026.

This Delta deal was found by Cheapflights users on 6/13. 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.
Sat 9/125:00 pm
IAH
-
DLH
1 stop5h 35m
Delta
Sat 9/194:11 pm
DLH
-
IAH
1 stop5h 19m
Delta
Deal found 6/13$308
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/105:04 am
IAH
-
DLH
1 stop5h 37m
United Airlines
Fri 7/176:25 pm
DLH
-
IAH
1 stop6h 09m
United Airlines
Deal found 6/12$421
This United Airlines deal was found by Cheapflights users on 6/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:20 pm
IAH
-
DLH
1 stop6h 33m
United Airlines
Sat 10/313:14 pm
DLH
-
IAH
1 stop5h 46m
United Airlines
Deal found 6/14$423
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/123:34 pm
IAH
-
DLH
1 stop7h 36m
United Airlines
Wed 9/166:23 pm
DLH
-
IAH
1 stop6h 04m
United Airlines
Deal found 6/11$464

Find flight deals from George Bush Intcntl to Duluth

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Duluth (DLH). 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 June 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$308
(Delta)

One-way from

$298
(Delta)

Popular in

December

Cheapest in

September

Average price

$418
Provider with most accurate pricing for Houston George Bush Intcntl-Duluth Intl flight deals.
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Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Duluth Intl flights.
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From Houston George Bush Intcntl to Duluth Intl
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One-way flight from Houston George Bush Intcntl to Duluth Intl
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Highest demand for flights based on searches. 6% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in June 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl to Duluth 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 2,558,603 searches. Data last updated June 16, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Duluth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Tue 10/27

6:20 pm-12:53 am

1 stop6h 33m

Duluth Intl

Sat 10/31

3:14 pm-9:00 pm

1 stop5h 46m

$458

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Fri 7/10

5:05 pm-10:41 am

2 stops17h 36m

Duluth Intl

Fri 7/17

6:25 pm-12:34 am

1 stop6h 09m

$539
Quickest round-trip

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Mon 6/29

5:04 am-10:43 am

1 stop5h 39m

Duluth Intl

Sat 7/4

3:03 pm-8:50 pm

1 stop5h 47m

$554

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Sat 9/12

9:30 am-11:10 pm

2 stops13h 40m

Duluth Intl

Wed 9/16

6:23 pm-12:27 am

1 stop6h 04m

$576
Cheapest one-way
Quickest one-way

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Mon 8/31

6:10 am-11:01 am

1 stop4h 51m

$298

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Mon 8/31

9:50 am-11:20 pm

3 stops13h 30m

$637

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Sorted by cheapest first

Compare providers for flights from George Bush Intcntl to Duluth

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Duluth in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Duluth flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Duluth flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Duluth flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Duluth flights, Cheapflights users trust FlightHub the most. FlightHub 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-Duluth 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 Duluth

Have a flexible travel schedule? Discover the best time to fly to Duluth from George Bush Intcntl with our price prediction graph.
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.

Reviews of airlines servicing Duluth

Get insights into the airlines that provide service to Duluth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Duluth. Reviews last updated June 16, 2026.
Peruse reviews from past customers who have flown with Delta from Houston George Bush Intcntl Airport to Duluth to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,405 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Aug 2023

BDL - MSP

The seats were wayyyy too small! If you are a larger person buying 2 seats would not work as arm rests do not go up
Delta
7.9
Good
8,405 reviews
Delta
7.9
Good
8,405 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Aug 2023

BDL - MSP

The seats were wayyyy too small! If you are a larger person buying 2 seats would not work as arm rests do not go up

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Duluth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Duluth from Houston George Bush Intcntl?

    If you book a flight to Duluth from Houston George Bush Intcntl, you will be flying to Duluth Intl, which is the city’s only airport. Duluth Intl (DLH) is located 5.8 mi from the center of Duluth. There are 0 flights from Houston George Bush Intcntl to Duluth Intl per day from 1 airline.

  • How long is the flight from Houston George Bush Intcntl Airport to Duluth?

    Airlines like United Airlines fly from Houston George Bush Intcntl Airport to Duluth in about 6h 33m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 1176 mi.

  • Can I find deals for flights from George Bush Intcntl to Duluth that include hotel bookings?

    Yes. In addition to deals on George Bush Intcntl to Duluth flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from George Bush Intcntl to Duluth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Duluth.

  • Can I find deals for business class flights from George Bush Intcntl to Duluth?

    Yes. Cheapflights offers flight deals from George Bush Intcntl to Duluth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top airline flying from George Bush Intcntl to Duluth

Discover the top airline that operate flights from George Bush Intcntl to Duluth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$298Average$453FlexibilityNo cancel feeOn-timeN/A

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