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Duluth

$318+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — DLH
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
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 August 1, 2026.

This Delta deal was found by Cheapflights users on 7/31. 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 9/166:10 am
IAH
-
DLH
1 stop4h 53m
Delta
Mon 9/214:11 pm
DLH
-
IAH
1 stop5h 19m
Delta
Deal found 7/31$318
This Delta deal was found by Cheapflights users on 7/30. 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.
Fri 9/182:42 pm
IAH
-
DLH
1 stop4h 43m
Delta
Sun 9/275:15 am
DLH
-
IAH
1 stop7h 45m
Delta
Deal found 7/30$338
This Delta deal was found by Cheapflights users on 7/29. 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.
Fri 9/255:46 pm
IAH
-
DLH
1 stop4h 49m
Delta
Tue 9/295:15 am
DLH
-
IAH
2 stops9h 09m
Delta
Deal found 7/29$344
This Delta deal was found by Cheapflights users on 7/31. 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 8/226:10 am
IAH
-
DLH
1 stop4h 51m
Delta
Wed 8/2611:41 am
DLH
-
IAH
1 stop5h 59m
Delta
Deal found 7/31$373
This United Airlines deal was found by Cheapflights users on 7/30. 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 10/286:20 am
IAH
-
DLH
1 stop8h 10m
United Airlines
Sat 10/316:17 pm
DLH
-
IAH
1 stop6h 13m
United Airlines
Deal found 7/30$408
This Delta deal was found by Cheapflights users on 7/31. 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 8/126:10 am
IAH
-
DLH
1 stop4h 51m
Delta
Sun 8/165:15 am
DLH
-
IAH
1 stop4h 44m
Delta
Deal found 7/31$413
This Delta deal was found by Cheapflights users on 7/31. 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 8/115:48 pm
IAH
-
DLH
1 stop4h 53m
Delta
Sat 8/1511:41 am
DLH
-
IAH
2 stops12h 11m
Delta
Deal found 7/31$419
This Delta deal was found by Cheapflights users on 7/29. 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 10/76:00 pm
IAH
-
DLH
1 stop4h 57m
Delta
Sat 10/104:21 pm
DLH
-
IAH
2 stops7h 34m
Delta
Deal found 7/29$429

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 August 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$318
(Delta)

Popular in

December

Cheapest in

September

Average price

$368
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. 9% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 1, 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
Quickest round-trip

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Wed 9/16

5:46 pm-10:35 pm

1 stop4h 49m

Duluth Intl

Mon 9/21

5:15 am-9:57 am

1 stop4h 42m

$318

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Fri 9/25

5:46 pm-10:35 pm

1 stop4h 49m

Duluth Intl

Tue 9/29

8:10 am-1:00 pm

1 stop4h 50m

$338

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Wed 10/7

6:00 pm-10:57 pm

1 stop4h 57m

Duluth Intl

Sat 10/10

4:21 pm-9:17 pm

1 stop4h 56m

$338

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Sat 8/22

6:10 am-11:01 am

1 stop4h 51m

Duluth Intl

Wed 8/26

11:41 am-5:40 pm

1 stop5h 59m

$373

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Sat 12/5

7:20 am-2:33 pm

1 stop7h 13m

Duluth Intl

Tue 12/8

11:18 am-7:40 pm

1 stop8h 22m

$408

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Sat 8/22

5:06 pm-11:22 pm

1 stop6h 16m

Duluth Intl

Wed 8/26

7:45 am-1:36 pm

1 stop5h 51m

$408

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Wed 8/12

5:20 am-3:31 pm

2 stops10h 11m

Duluth Intl

Sun 8/16

5:15 am-9:59 am

1 stop4h 44m

$419

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Wed 10/28

6:20 am-2:30 pm

1 stop8h 10m

Duluth Intl

Sat 10/31

6:17 pm-12:30 am

1 stop6h 13m

$428

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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 August.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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 August 1, 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
7.8
Good
8,497 reviews

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

Overall

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
7.8
Good
8,497 reviews
Delta
7.8
Good
8,497 reviews

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

Overall

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 Delta fly from Houston George Bush Intcntl Airport to Duluth in about 4h 53m. 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 August 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$298Average$453FlexibilityNo cancel feeOn-timeN/A

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