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$288+ Cheap flights from George Bush Intcntl (IAH) to Duluth (DLH)

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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — DLH
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/17. 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.
Wed 12/243:55 pmIAH - DLH
1 stop7h 00mUnited Airlines
Wed 12/313:03 pmDLH - IAH
1 stop8h 09mUnited Airlines
Deal found 12/17$607
This Delta deal was found by Cheapflights users on 12/15. 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 12/246:09 pmIAH - DLH
1 stop4h 43mDelta
Tue 12/3011:55 amDLH - IAH
1 stop11h 43mDelta
Deal found 12/15$693
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 12/245:05 pmIAH - DLH
1 stop5h 50mUnited Airlines
Mon 12/297:50 amDLH - IAH
1 stop11h 18mUnited Airlines
Deal found 12/15$778
This Delta deal was found by Cheapflights users on 12/15. 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.
Mon 12/226:27 amIAH - DLH
1 stop4h 48mDelta
Tue 12/3011:55 amDLH - IAH
1 stop22h 22mDelta
Deal found 12/15$783
This Delta deal was found by Cheapflights users on 12/17. 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 12/2411:58 amIAH - DLH
2 stops10h 54mDelta
Wed 12/314:10 pmDLH - IAH
2 stops7h 41mDelta
Deal found 12/17$829
This Delta deal was found by Cheapflights users on 12/15. 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 12/237:14 pmIAH - DLH
1 stop20h 16mDelta
Tue 12/3011:55 amDLH - IAH
1 stop11h 43mDelta
Deal found 12/15$837
This Delta deal was found by Cheapflights users on 12/15. 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 12/246:09 pmIAH - DLH
1 stop4h 43mDelta
Fri 12/264:10 pmDLH - IAH
1 stop26h 09mDelta
Deal found 12/15$852
This Delta deal was found by Cheapflights users on 12/15. 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 12/246:09 pmIAH - DLH
1 stop4h 43mDelta
Sat 12/275:00 amDLH - IAH
2 stops18h 51mDelta
Deal found 12/15$868

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$288
(Delta)

Popular in

March

Cheapest in

January

Average price

$248
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
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($120 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 18, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Duluth that are best for you.

Fly from

George Bush Intcntl

Fly to

Duluth

Route

Depart

Return

Price

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Wed 1/14

6:36 am-11:16 am

1 stop4h 40m

Duluth Intl

Wed 1/21

4:24 pm-11:15 pm

1 stop6h 51m

$288

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Tue 1/6

12:47 pm-7:35 pm

1 stop6h 48m

Duluth Intl

Tue 1/13

4:24 pm-11:15 pm

1 stop6h 51m

$313

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Wed 1/21

7:20 am-2:30 pm

1 stop7h 10m

Duluth Intl

Sat 1/24

3:05 pm-12:12 am

1 stop9h 07m

$431

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Houston George Bush Intcntl Airport-Duluth flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 December 18, 2025.
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
8,005 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

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
8,005 reviews
Delta
7.9
Good
8,005 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

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 Delta fly from Houston George Bush Intcntl Airport to Duluth in about 4h 40m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 1176 mi.

  • What is the cheapest airline to fly from Houston George Bush Intcntl Airport to Duluth round-trip?

    According to our current data, Delta ($248), offers the cheapest pricing from Houston George Bush Intcntl Airport to Duluth.

  • 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

Traveling to a place near Duluth?

Book flights to Duluth if you plan to visit one of these locations
Two Harbors
Superior

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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$328FlexibilityNo cancel feeOn-timeN/A

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