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$400+ Cheap flights from Houston to Duluth (DLH)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — DLH
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$432
(United Airlines)

One-way from

$400
(Delta)

Popular in

June

Cheapest in

January

Average price

$938
From Houston to Duluth Intl
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One-way flight from Houston to Duluth Intl
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Highest demand for flights based on searches. 26% potential increase in price ($170 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. 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 6/246:26 amIAH - DLH
1 stop8h 03mUnited Airlines
Sat 6/286:13 pmDLH - IAH
1 stop6h 27mUnited Airlines
Deal found 6/11$432
This Delta deal was found by Cheapflights users on 6/11. 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 8/142:20 pmIAH - DLH
1 stop5h 00mDelta
Sun 8/175:10 amDLH - IAH
1 stop4h 40mDelta
Deal found 6/11$498
This Delta deal was found by Cheapflights users on 6/9. 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.
Thu 8/141:05 pmHOU - DLH
2 stops9h 39mDelta
Sun 8/175:10 amDLH - HOU
2 stops7h 00mDelta
Deal found 6/9$808

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 June 12, 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 6/24

6:26 am-2:29 pm

1 stop8h 03m

Duluth Intl

Sat 6/28

6:13 pm-12:40 am

1 stop6h 27m

$432

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Thu 8/14

2:20 pm-7:20 pm

1 stop5h 00m

Duluth Intl

Sun 8/17

5:10 am-9:50 am

1 stop4h 40m

$498

HoustonDuluth

HOU - DLH

HOUDLH

Houston Hobby

Thu 8/14

1:05 pm-10:44 pm

2 stops9h 39m

Duluth Intl

Sun 8/17

5:10 am-12:10 pm

2 stops7h 00m

$808

HoustonDuluth

HOU - DLH

HOUDLH

Houston Hobby

Sun 12/7

6:00 am-3:21 pm

2 stops9h 21m

$400

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 $335). Flying from Houston to Duluth in June is currently the most expensive (average of $473). 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.

What is the cheapest time of day to fly from HOU to DLH?

Find hourly flight availability from Houston to Duluth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s optimal to fly from Houston to Duluth at noon. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight in the morning.

Rainfall in Duluth by month

Plan your trip to Duluth by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Duluth ranges from 0.6 - 3.6 inches per month. August is typically the wettest month, when rainfall can reach 3.6 in. February is typically the driest time to visit Duluth when rainfall is around 0.6 in.

Temperature in Duluth by month

Plan your trip to Duluth by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Duluth, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.2 F).

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 June 12, 2025.
Read through reviews of airlines operating flights from Houston to Duluth, such as Delta and United Airlines. 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
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

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
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

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
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

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. 2 airlines have flights to Duluth Intl from Houston on a regular basis.

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

    Cheapflights users have booked flights from Houston to Duluth round-trip from $432. Another airline that can offer you cheap pricing is Delta. Users have found that United Airlines is 10% 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 $335). Flying from Houston to Duluth in June is currently the most expensive (average of $473). 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 Houston?

Book flights to Houston 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$318FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$451FlexibilityNo cancel feeOn-time69%

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