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$248+ 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — DLH
Oct 9 — Oct 161
Thu 10/9
Thu 10/16
1 adult, Economy
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Cheap 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 September 9, 2025.

Round-trip from

$248
(Delta)

Popular in

September

Cheapest in

December

Average price

$605
From Houston George Bush Intcntl to Duluth Intl
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Highest demand for flights based on searches. 10% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 9, 2025.

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.
Sat 10/42:20 pmIAH - DLH
1 stop4h 53mDelta
Sat 10/117:50 amDLH - IAH
1 stop8h 05mDelta
Deal found 9/9$248
This Delta deal was found by Cheapflights users on 9/8. 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 9/295:45 pmIAH - DLH
1 stop4h 58mDelta
Sat 10/410:50 amDLH - IAH
1 stop6h 49mDelta
Deal found 9/8$263
This Delta deal was found by Cheapflights users on 9/7. 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 10/45:46 pmIAH - DLH
1 stop4h 57mDelta
Tue 10/77:50 amDLH - IAH
1 stop6h 29mDelta
Deal found 9/7$328
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:30 amIAH - DLH
1 stop8h 02mUnited Airlines
Tue 9/3011:20 amDLH - IAH
1 stop8h 24mUnited Airlines
Deal found 9/9$343
This Delta deal was found by Cheapflights users on 9/7. 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.
Thu 9/115:45 pmIAH - DLH
1 stop4h 58mDelta
Mon 9/155:10 amDLH - IAH
1 stop4h 43mDelta
Deal found 9/7$368

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 September 9, 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

Sat 10/4

12:46 pm-10:43 pm

2 stops9h 57m

Duluth Intl

Sat 10/11

7:50 am-3:55 pm

1 stop8h 05m

$254

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Mon 9/29

5:45 pm-10:43 pm

1 stop4h 58m

Duluth Intl

Sat 10/4

10:50 am-5:39 pm

1 stop6h 49m

$263

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Sat 10/4

5:46 pm-10:43 pm

1 stop4h 57m

Duluth Intl

Tue 10/7

7:50 am-2:19 pm

1 stop6h 29m

$328

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Thu 11/20

8:15 am-2:31 pm

1 stop6h 16m

$265

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Thu 11/20

5:16 am-3:38 pm

2 stops10h 22m

$271

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/7

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.

Cheapflights Insights

Everything you need to know about your flight from Houston George Bush Intcntl Airport to Duluth

How much does it cost to fly round-trip from Houston George Bush Intcntl Airport to Duluth?

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 September 9, 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
8.0
Very good
7,965 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

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
8.0
Very good
7,965 reviews
Delta
8.0
Very good
7,965 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

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 9h 57m. 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. Users have found that Delta is 35% cheaper than the other options available to this destination.

  • 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.

  • What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Duluth?

    Currently, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Duluth (average of $337). Flying from Houston George Bush Intcntl Airport to Duluth in June is currently the most expensive (average of $476). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 September 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$323FlexibilityNo cancel feeOn-timeN/A

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