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Duluth

$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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — DLH
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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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 October 16, 2025.

This Delta deal was found by Cheapflights users on 10/14. 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 11/126:45 amIAH - DLH
1 stop4h 36mDelta
Sun 11/165:10 amDLH - IAH
1 stop5h 00mDelta
Deal found 10/14$248
This Delta deal was found by Cheapflights users on 10/14. 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.
Tue 11/116:45 amIAH - DLH
1 stop4h 36mDelta
Sat 11/154:18 pmDLH - IAH
2 stops7h 39mDelta
Deal found 10/14$254
This Delta deal was found by Cheapflights users on 10/14. 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 11/125:30 amIAH - DLH
2 stops10h 08mDelta
Sat 11/1512:01 pmDLH - IAH
2 stops11h 56mDelta
Deal found 10/14$274
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Tue 11/47:20 amIAH - DLH
1 stop7h 11mUnited Airlines
Tue 11/183:06 pmDLH - IAH
1 stop5h 44mUnited Airlines
Deal found 10/13$294
This Delta deal was found by Cheapflights users on 10/15. 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 10/315:39 pmIAH - DLH
1 stop5h 04mDelta
Sun 11/24:10 pmDLH - IAH
1 stop6h 44mDelta
Deal found 10/15$313
This Delta deal was found by Cheapflights users on 10/14. 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.
Thu 11/136:45 amIAH - DLH
1 stop4h 36mDelta
Sun 11/165:10 amDLH - IAH
1 stop5h 00mDelta
Deal found 10/14$328
This Delta deal was found by Cheapflights users on 10/15. 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 12/176:40 amIAH - DLH
1 stop4h 40mDelta
Thu 12/255:00 amDLH - IAH
1 stop18h 38mDelta
Deal found 10/15$343
This Delta deal was found by Cheapflights users on 10/15. 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 12/1611:02 amIAH - DLH
1 stop4h 42mDelta
Fri 12/265:00 amDLH - IAH
1 stop5h 17mDelta
Deal found 10/15$348
This Delta deal was found by Cheapflights users on 10/14. 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.
Sat 11/16:40 amIAH - DLH
1 stop4h 42mDelta
Wed 11/54:10 pmDLH - IAH
2 stops16h 37mDelta
Deal found 10/14$352
This Delta deal was found by Cheapflights users on 10/15. 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 12/1711:36 amIAH - DLH
2 stops12h 23mDelta
Fri 12/265:00 amDLH - IAH
1 stop5h 17mDelta
Deal found 10/15$354
This Delta deal was found by Cheapflights users on 10/13. 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 10/296:00 amHOU - DLH
2 stops9h 30mDelta
Sun 11/212:02 pmDLH - HOU
2 stops10h 58mDelta
Deal found 10/13$829
This Delta deal was found by Cheapflights users on 10/15. 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 10/316:00 amHOU - DLH
2 stops9h 30mDelta
Sun 11/212:02 pmDLH - HOU
2 stops10h 58mDelta
Deal found 10/15$889

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 October 16, 2025.

Round-trip from

$248
(Delta)

Popular in

March

Cheapest in

January

Average price

$358
From Houston to Duluth Intl
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($147 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 16, 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

Tue 11/11

6:45 am-11:21 am

1 stop4h 36m

Duluth Intl

Sat 11/15

4:18 pm-9:48 pm

1 stop5h 30m

$248

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Wed 11/12

2:27 pm-7:30 pm

1 stop5h 03m

Duluth Intl

Sat 11/15

12:01 pm-11:57 pm

2 stops11h 56m

$254

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Tue 11/4

7:20 am-2:31 pm

1 stop7h 11m

Duluth Intl

Tue 11/18

3:06 pm-8:50 pm

1 stop5h 44m

$294

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Fri 10/31

5:39 pm-10:43 pm

1 stop5h 04m

Duluth Intl

Sun 11/2

4:10 pm-10:54 pm

1 stop6h 44m

$313

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Thu 12/18

11:02 am-3:44 pm

1 stop4h 42m

Duluth Intl

Fri 12/26

5:00 am-10:17 am

1 stop5h 17m

$313

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Thu 12/18

11:02 am-3:44 pm

1 stop4h 42m

Duluth Intl

Wed 12/24

4:10 pm-11:38 pm

1 stop7h 28m

$348

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Tue 12/16

11:02 am-3:44 pm

1 stop4h 42m

Duluth Intl

Fri 12/26

5:00 am-10:17 am

1 stop5h 17m

$348

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Wed 12/17

6:40 am-11:20 am

1 stop4h 40m

Duluth Intl

Fri 12/26

5:00 am-10:17 am

1 stop5h 17m

$348

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Sat 11/1

6:40 am-11:22 am

1 stop4h 42m

Duluth Intl

Wed 11/5

4:10 pm-8:47 am

2 stops16h 37m

$352

HoustonDuluth

HOU - DLH

HOUDLH

Houston Hobby

Wed 10/29

6:00 am-3:30 pm

2 stops9h 30m

Duluth Intl

Sun 11/2

12:02 pm-11:00 pm

2 stops10h 58m

$829

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 20 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 October 16, 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
8.0
Very good
7,977 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

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
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

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 4h 36m. 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 36% 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

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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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$310FlexibilityNo cancel feeOn-timeN/A

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