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Duluth

$318+ Cheap flights from Houston 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — DLH
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap flight deals from Houston to Duluth

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) 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 January 15, 2026.

Round-trip from

$338
(Delta)

Popular in

March

Cheapest in

December

Average price

$343
From Houston to Duluth Intl
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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Find flight deals from Houston to Duluth

Cheapest flights from Houston to Duluth
Explore the most affordable flight options available from Houston to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.

This Delta deal was found by Cheapflights users on 1/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:45 am
IAH
-
DLH
1 stop4h 34m
Delta
Sat 8/298:05 am
DLH
-
IAH
1 stop5h 54m
Delta
Deal found 1/12$318
This Delta deal was found by Cheapflights users on 1/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:30 am
IAH
-
DLH
1 stop4h 27m
Delta
Wed 7/154:20 pm
DLH
-
IAH
1 stop6h 29m
Delta
Deal found 1/14$338
This Delta deal was found by Cheapflights users on 1/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/146:36 am
IAH
-
DLH
1 stop4h 40m
Delta
Wed 1/214:24 pm
DLH
-
IAH
1 stop6h 51m
Delta
Deal found 1/14$398
This United Airlines deal was found by Cheapflights users on 1/14. 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.
Wed 1/216:20 am
IAH
-
DLH
1 stop8h 10m
United Airlines
Sat 1/243:05 pm
DLH
-
IAH
1 stop9h 07m
United Airlines
Deal found 1/14$468
This United Airlines deal was found by Cheapflights users on 1/14. 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.
Wed 1/287:20 am
IAH
-
DLH
1 stop7h 10m
United Airlines
Sun 2/13:05 pm
DLH
-
IAH
1 stop6h 23m
United Airlines
Deal found 1/14$519
This Delta deal was found by Cheapflights users on 1/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/1411:09 am
HOU
-
DLH
2 stops8h 26m
Delta
Wed 1/2111:56 am
DLH
-
HOU
2 stops10h 37m
Delta
Deal found 1/14$986
This Delta deal was found by Cheapflights users on 1/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:00 am
HOU
-
DLH
2 stops9h 19m
Delta
Wed 7/155:10 am
DLH
-
HOU
2 stops11h 13m
Delta
Deal found 1/14$1,069

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston 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 January 15, 2026.
Use the filters below to find and compare flights from Houston to Duluth that are best for you.

Fly from

Houston

Fly to

Duluth

Route

Depart

Return

Price

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Wed 1/21

6:20 am-2:30 pm

1 stop8h 10m

Duluth Intl

Sat 1/24

3:05 pm-12:12 am

1 stop9h 07m

$468

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Wed 1/28

7:20 am-2:30 pm

1 stop7h 10m

Duluth Intl

Sun 2/1

3:05 pm-9:28 pm

1 stop6h 23m

$519

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Wed 1/28

4:46 pm-11:52 pm

1 stop7h 06m

Duluth Intl

Sun 2/1

5:00 am-3:07 pm

2 stops10h 07m

$559

HoustonDuluth

HOU - DLH

HOUDLH

Houston Hobby

Wed 7/8

6:00 am-3:19 pm

2 stops9h 19m

Duluth Intl

Wed 7/15

5:10 am-4:23 pm

2 stops11h 13m

$1,069

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Sun 3/8

5:00 am-10:43 am

1 stop5h 43m

$344

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Tue 1/20

8:23 am-2:30 pm

1 stop6h 07m

$441

HoustonDuluth

HOU - DLH

HOUDLH

Houston Hobby

Fri 2/27

5:25 am-3:31 pm

2 stops10h 06m

$450

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Tue 1/20

7:05 am-7:35 pm

2 stops12h 30m

$457

HoustonDuluth

HOU - DLH

HOUDLH

Houston Hobby

Sun 3/8

11:44 am-8:09 pm

2 stops8h 25m

$910

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Best time to book a flight from Houston to Duluth

Have a flexible travel schedule? Discover the best time to fly to Duluth from Houston 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 to Duluth

What is the cheapest month to book a flight from Houston to Duluth?

Currently, December is the cheapest month in which you can book a flight from Houston to Duluth (average of $248). Flying from Houston to Duluth in March is currently the most expensive (average of $685). 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.

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 January 15, 2026.
See what other customers who have flown with Delta and United Airlines from Houston to Duluth have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,048 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

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
8,048 reviews
Delta
7.9
Good
8,048 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

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
United Airlines
7.4
Good
9,163 reviews
Delta
7.9
Good
8,048 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

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 Houston 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?

    For a flight from Houston to Duluth, you will be flying into Duluth Intl. Duluth Intl (DLH) is just 5.8 mi from the center of the city. Duluth Intl is the only Duluth airport and it handles 0 inbound flights from Houston per day. 2 airlines have flights to Duluth Intl from Houston on a regular basis.

  • How long is the flight from Houston to Duluth?

    A quick flight from Houston to Duluth can take about 7h 06m. United Airlines provides one of the quickest options available for as low as $559. Houston and Duluth are separated by a distance of 1176 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Cheapflights users have booked flights from Houston to Duluth round-trip from $248. Another airline that can offer you cheap pricing is United Airlines. Users have found that Delta is 41% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Houston 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 to Duluth?

    Currently, December is the cheapest month in which you can book a flight from Houston to Duluth (average of $248). Flying from Houston to Duluth in March is currently the most expensive (average of $685). 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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Alternative routes for Houston to Duluth

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Houston to Duluth

Discover the top 2 airlines that operate flights from Houston 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 January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$323FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$332Average$650FlexibilityNo cancel feeOn-time69%

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