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$248+ Cheap flights from Duluth (DLH) to Houston

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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — HOU
Aug 29 — Sep 51
Fri 8/29
Fri 9/5
1 adult, Economy
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Cheap flight deals from Duluth to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Duluth (DLH) to Houston (HO1). 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 24, 2025.

Round-trip from

$248
(Delta)

Popular in

April

Cheapest in

May

Average price

$418
From Duluth Intl to Houston
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Duluth to Houston

Cheapest flights from Duluth to Houston
Explore the most affordable flight options available from Duluth to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 24, 2025.

This Delta deal was found by Cheapflights users on 8/23. 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.
Sun 9/285:10 amDLH - IAH
1 stop4h 43mDelta
Sat 10/45:46 pmIAH - DLH
1 stop4h 57mDelta
Deal found 8/23$248
This Delta deal was found by Cheapflights users on 8/23. 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 9/275:10 amDLH - IAH
1 stop4h 47mDelta
Sat 10/45:46 pmIAH - DLH
1 stop4h 57mDelta
Deal found 8/23$298
This Delta deal was found by Cheapflights users on 8/23. 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.
Sun 9/285:10 amDLH - IAH
1 stop4h 43mDelta
Fri 10/35:45 pmIAH - DLH
1 stop16h 17mDelta
Deal found 8/23$328
This Delta deal was found by Cheapflights users on 8/23. 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 10/912:02 pmDLH - IAH
1 stop5h 29mDelta
Tue 10/145:30 amIAH - DLH
2 stops10h 00mDelta
Deal found 8/23$349
This Delta deal was found by Cheapflights users on 8/23. 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 9/275:10 amDLH - IAH
1 stop4h 47mDelta
Fri 10/35:45 pmIAH - DLH
1 stop16h 17mDelta
Deal found 8/23$378
This Delta deal was found by Cheapflights users on 8/24. 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 10/94:10 pmDLH - IAH
1 stop6h 46mDelta
Mon 10/132:30 pmIAH - DLH
1 stop4h 47mDelta
Deal found 8/24$408
This United Airlines deal was found by Cheapflights users on 8/23. 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 10/109:45 amDLH - IAH
1 stop14h 14mUnited Airlines
Tue 10/145:00 amIAH - DLH
1 stop5h 45mUnited Airlines
Deal found 8/23$417
This Delta deal was found by Cheapflights users on 8/23. 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 9/297:50 amDLH - IAH
1 stop9h 51mDelta
Sat 10/45:46 pmIAH - DLH
1 stop4h 57mDelta
Deal found 8/23$423
This Delta deal was found by Cheapflights users on 8/23. 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 9/305:10 amDLH - HOU
2 stops7h 08mDelta
Fri 10/310:44 amHOU - DLH
2 stops8h 29mDelta
Deal found 8/23$648
This Delta deal was found by Cheapflights users on 8/23. 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 9/275:10 amDLH - HOU
2 stops7h 08mDelta
Thu 10/210:44 amHOU - DLH
2 stops11h 59mDelta
Deal found 8/23$789
This Delta deal was found by Cheapflights users on 8/23. 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 10/1012:02 pmDLH - HOU
2 stops10h 58mDelta
Wed 10/1510:13 amHOU - DLH
2 stops9h 04mDelta
Deal found 8/23$829
This Delta deal was found by Cheapflights users on 8/23. 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 9/2910:50 amDLH - HOU
2 stops11h 47mDelta
Sat 10/410:44 amHOU - DLH
2 stops11h 59mDelta
Deal found 8/23$839

Cheapflights Fare Finder

 
Customize your flight search to find flights from Duluth to Houston 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 24, 2025.
Use the filters below to find and compare flights from Duluth to Houston that are best for you.

Fly from

Duluth

Fly to

Houston

Route

Depart

Return

Price

DuluthHouston

DLH - IAH

DLHIAH

Duluth Intl

Sun 9/28

5:10 am-9:53 am

1 stop4h 43m

Houston George Bush Intcntl

Sat 10/4

5:46 pm-10:43 pm

1 stop4h 57m

$248

DuluthHouston

DLH - IAH

DLHIAH

Duluth Intl

Sat 9/27

5:10 am-9:57 am

1 stop4h 47m

Houston George Bush Intcntl

Sat 10/4

5:46 pm-10:43 pm

1 stop4h 57m

$298

DuluthHouston

DLH - IAH

DLHIAH

Duluth Intl

Thu 10/9

4:10 pm-10:56 pm

1 stop6h 46m

Houston George Bush Intcntl

Tue 10/14

6:40 am-11:22 am

1 stop4h 42m

$328

DuluthHouston

DLH - IAH

DLHIAH

Duluth Intl

Sun 9/28

5:10 am-9:53 am

1 stop4h 43m

Houston George Bush Intcntl

Fri 10/3

5:45 pm-10:02 am

1 stop16h 17m

$328

DuluthHouston

DLH - IAH

DLHIAH

Duluth Intl

Tue 9/30

7:50 am-2:16 pm

1 stop6h 26m

Houston George Bush Intcntl

Fri 10/3

2:20 pm-10:02 am

1 stop19h 42m

$378

DuluthHouston

DLH - IAH

DLHIAH

Duluth Intl

Sat 9/27

5:10 am-9:57 am

1 stop4h 47m

Houston George Bush Intcntl

Fri 10/3

5:45 pm-10:02 am

1 stop16h 17m

$378

DuluthHouston

DLH - IAH

DLHIAH

Duluth Intl

Thu 10/9

12:02 pm-5:31 pm

1 stop5h 29m

Houston George Bush Intcntl

Mon 10/13

2:30 pm-7:17 pm

1 stop4h 47m

$408

DuluthHouston

DLH - HOU

DLHHOU

Duluth Intl

Tue 9/30

5:10 am-12:18 pm

2 stops7h 08m

Houston Hobby

Fri 10/3

10:44 am-7:13 pm

2 stops8h 29m

$648

DuluthHouston

DLH - HOU

DLHHOU

Duluth Intl

Sun 9/28

5:10 am-2:45 pm

2 stops9h 35m

Houston Hobby

Fri 10/3

10:44 am-7:13 pm

2 stops8h 29m

$789

DuluthHouston

DLH - HOU

DLHHOU

Duluth Intl

Sat 9/27

5:10 am-12:18 pm

2 stops7h 08m

Houston Hobby

Thu 10/2

10:44 am-10:43 pm

2 stops11h 59m

$789

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/23

Showing 1-10 of 15 results
1
2

Best time to book a flight from Duluth to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Duluth 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 Duluth to Houston
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated August 24, 2025.
Read through reviews of airlines operating flights from Duluth to Houston, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Duluth to Houston. 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 from for flights from Duluth to Houston?

    Duluth Intl (DLH), located 5.8 mi from the city center, is the airport you fly out of when you book flights from Duluth to Houston. 2 airlines have flights from Duluth Intl to Houston on a regular basis. Booking flights from Duluth Intl to Houston should not be difficult; the airport handles an average of 0 outbound flights to Houston per day.

  • How long is the flight from Duluth to Houston?

    There are many flights that can get you from Duluth to Houston in 4h 43m. Fly via Delta to get the fastest option. The distance from Duluth to Houston is about 1176 mi.

  • What are the cheapest airlines flying from Duluth to Houston round-trip?

    Cheapflights users have booked flights from Duluth to Houston round-trip from $263. Another airline that can offer you cheap pricing is United Airlines. You may be able to fly from Duluth to Houston for 37% less than the average price by searching for these airlines.

  • Can I find deals for flights from Duluth to Houston that include hotel bookings?

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

  • How can I find direct flights from Duluth to Houston?

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

  • Can I find deals for business class flights from Duluth to Houston?

    Yes. Cheapflights offers flight deals from Duluth to Houston 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 Duluth to Houston?

    Currently, September is the cheapest month in which you can book a flight from Duluth to Houston (average of $230). Flying from Duluth to Houston in March is currently the most expensive (average of $331). 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

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Top 2 airlines flying from Duluth to Houston

Discover the top 2 airlines that operate flights from Duluth to Houston. 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 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$263Average$340FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$328Average$418FlexibilityNo cancel feeOn-time69%

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