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$248+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — DLH
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
1 adult, Economy
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Cheap 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 December 3, 2025.

This Delta deal was found by Cheapflights users on 11/30. 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.
Tue 12/165:55 pmIAH - DLH
1 stop6h 04mDelta
Sat 12/205:00 amDLH - IAH
1 stop5h 17mDelta
Deal found 11/30$473
This Delta deal was found by Cheapflights users on 12/2. 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 12/256:09 pmIAH - DLH
1 stop4h 43mDelta
Thu 1/15:00 amDLH - IAH
1 stop5h 17mDelta
Deal found 12/2$558
This United Airlines deal was found by Cheapflights users on 12/1. 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 12/265:05 pmIAH - DLH
1 stop5h 50mUnited Airlines
Wed 12/313:03 pmDLH - IAH
1 stop8h 09mUnited Airlines
Deal found 12/1$568
This Delta deal was found by Cheapflights users on 12/1. 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 12/256:09 pmIAH - DLH
1 stop4h 43mDelta
Wed 12/314:10 pmDLH - IAH
1 stop18h 07mDelta
Deal found 12/1$586
This Delta deal was found by Cheapflights users on 12/1. 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 12/256:09 pmIAH - DLH
1 stop4h 43mDelta
Tue 12/304:10 pmDLH - IAH
1 stop7h 28mDelta
Deal found 12/1$648
This United Airlines deal was found by Cheapflights users on 12/1. 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.
Sat 12/275:05 pmIAH - DLH
1 stop5h 50mUnited Airlines
Wed 12/313:03 pmDLH - IAH
1 stop8h 09mUnited Airlines
Deal found 12/1$696
This United Airlines deal was found by Cheapflights users on 12/1. 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 12/265:05 pmIAH - DLH
1 stop5h 50mUnited Airlines
Thu 1/13:03 pmDLH - IAH
1 stop8h 09mUnited Airlines
Deal found 12/1$706
This Delta deal was found by Cheapflights users on 12/1. 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 12/256:00 amHOU - DLH
2 stops9h 30mDelta
Tue 12/3011:55 amDLH - HOU
2 stops11h 16mDelta
Deal found 12/1$1,027
This Delta deal was found by Cheapflights users on 12/2. 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 12/182:32 pmHOU - DLH
2 stops9h 27mDelta
Mon 12/2211:55 amDLH - HOU
2 stops11h 16mDelta
Deal found 12/2$1,189
This Delta deal was found by Cheapflights users on 12/1. 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 12/2710:46 amHOU - DLH
2 stops12h 06mDelta
Thu 1/15:00 amDLH - HOU
2 stops9h 38mDelta
Deal found 12/1$1,439
This Delta deal was found by Cheapflights users on 12/1. 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 12/2610:46 amHOU - DLH
2 stops12h 06mDelta
Wed 12/315:00 amDLH - HOU
2 stops9h 38mDelta
Deal found 12/1$1,730

Find 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 December 3, 2025.

Round-trip from

$248
(Delta)

Popular in

March

Cheapest in

January

Average price

$248
From Houston to Duluth Intl
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($120 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 December 2025
Search Deals

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 December 3, 2025.
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 1/14

4:46 pm-11:52 pm

1 stop7h 06m

Duluth Intl

Wed 1/21

4:24 pm-11:15 pm

1 stop6h 51m

$248

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Wed 1/21

12:47 pm-7:35 pm

1 stop6h 48m

Duluth Intl

Sat 1/24

11:56 am-11:56 pm

2 stops12h 00m

$254

HoustonDuluth

HOU - DLH

HOUDLH

Houston Hobby

Wed 1/14

5:45 am-3:44 pm

2 stops9h 59m

Duluth Intl

Wed 1/21

11:56 am-10:33 pm

2 stops10h 37m

$284

HoustonDuluth

HOU - DLH

HOUDLH

Houston Hobby

Wed 1/21

5:45 am-3:44 pm

2 stops9h 59m

Duluth Intl

Sat 1/24

11:56 am-10:33 pm

2 stops10h 37m

$569

HoustonDuluth

HOU - DLH

HOUDLH

Houston Hobby

Thu 12/25

6:00 am-3:30 pm

2 stops9h 30m

Duluth Intl

Tue 12/30

11:55 am-11:11 pm

2 stops11h 16m

$1,027

HoustonDuluth

HOU - DLH

HOUDLH

Houston Hobby

Thu 12/18

2:32 pm-11:59 pm

2 stops9h 27m

Duluth Intl

Mon 12/22

11:55 am-11:11 pm

2 stops11h 16m

$1,189

HoustonDuluth

HOU - DLH

HOUDLH

Houston Hobby

Sat 12/27

10:46 am-10:52 pm

2 stops12h 06m

Duluth Intl

Thu 1/1

5:00 am-2:38 pm

2 stops9h 38m

$1,439

HoustonDuluth

HOU - DLH

HOUDLH

Houston Hobby

Fri 12/26

10:46 am-10:52 pm

2 stops12h 06m

Duluth Intl

Wed 12/31

5:00 am-2:38 pm

2 stops9h 38m

$1,730

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Fri 12/19

6:30 am-2:28 pm

1 stop7h 58m

$441

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Sat 12/20

6:30 am-2:28 pm

1 stop7h 58m

$553

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 11 results
1
2

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, January 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 December 3, 2025.
See what other customers who have flown with Delta 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
8,011 reviews

Overall

7.9

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

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
8,011 reviews
Delta
7.9
Good
8,011 reviews

Overall

7.9

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

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. 1 airline has 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. Delta provides one of the quickest options available for as low as $248. Houston and Duluth are separated by a distance of 1176 mi.

  • What is the cheapest airline to fly from Houston to Duluth round-trip?

    Cheapflights users have booked flights from Houston to Duluth round-trip from $248. Users have found that Delta is 40% 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, January 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 airline flying from Houston to Duluth

Discover the top airline 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 December 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$310FlexibilityNo cancel feeOn-timeN/A

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