What is the cheapest airline that flies from Houston to Duluth Intl?

United Airlines is the most popular carrier operating from Houston to Duluth Intl

When did momondo last update prices for flights from Houston to Duluth Intl Airport?

Prices for flights from Houston to Duluth Intl Airport refresh daily.

How many operators does momondo search for flights from Houston to Duluth Intl Airport?

As of November 2025, there is 1 operator available to choose from for flights from Houston to Duluth Intl Airport.

How old do you have to be to fly from Houston to Duluth Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Duluth Intl Airport.

What documentation or ID do you need to fly to Duluth Intl Airport?

The travel and health documents required for your trip to Duluth Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Duluth Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$247 Cheap Flights from Houston to Duluth in 2025/26

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Find the cheapest flights from Houston to Duluth

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Cheap round-trip flights

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6:40 am - 11:21 amIAH-DLH

4h 41m1 stop

5:00 am - 10:12 amDLH-IAH

5h 12m1 stop

$248Delta

Find Deal

Thu, Nov 27 - Wed, Dec 3

5:30 am - 5:09 pmIAH-DLH

11h 39m2 stops

4:24 pm - 11:14 pmDLH-IAH

6h 50m1 stop

$279Delta

Find Deal

Thu, Nov 27 - Wed, Dec 3

5:30 am - 5:09 pmIAH-DLH

11h 39m2 stops

4:24 pm - 8:51 amDLH-IAH

16h 27m2 stops

$343Delta

Find Deal

Thu, Nov 27 - Wed, Dec 3

5:00 am - 10:44 amIAH-DLH

5h 44m1 stop

3:14 pm - 9:10 pmDLH-IAH

5h 56m1 stop

$384United Airlines

Find Deal

Sat, Apr 18 - Wed, Apr 22

3:25 pm - 10:57 amIAH-DLH

19h 32m2 stops

8:05 am - 1:59 pmDLH-IAH

5h 54m1 stop

$413Delta

Find Deal

Sat, Apr 18 - Wed, Apr 22

6:36 am - 11:16 amIAH-DLH

4h 40m1 stop

4:41 pm - 11:17 pmDLH-IAH

6h 36m1 stop

$424Delta

Find Deal

Tue, Jan 20 - Fri, Jan 23

4:46 pm - 11:52 pmIAH-DLH

7h 06m1 stop

11:56 am - 11:58 pmDLH-IAH

12h 02m2 stops

$430Delta

Find Deal

Tue, Jan 20 - Fri, Jan 23

3:25 pm - 10:57 amIAH-DLH

19h 32m2 stops

5:10 am - 9:59 amDLH-IAH

4h 49m1 stop

$438Delta

Find Deal

Sat, Apr 18 - Wed, Apr 22

7:40 am - 9:59 pmIAH-DLH

14h 19m2 stops

7:40 am - 8:32 amDLH-IAH

24h 52m2 stops

$525United Airlines

Find Deal

Tue, Jan 20 - Fri, Jan 23

8:09 pm - 2:30 pmIAH-DLH

18h 21m2 stops

3:05 pm - 8:36 amDLH-IAH

17h 31m2 stops

$538United Airlines

Find Deal

Tue, Jan 20 - Fri, Jan 23

Delta flights from Houston to Duluth

Our best Delta deals on Houston to Duluth flight tickets

Delta

Nov 27

IAH6:40 amHouston George Bush Intcntl

4h 41m

1 stop

DLH11:21 amDuluth Intl

Dec 3

DLH5:00 amDuluth Intl

5h 12m

1 stop

IAH10:12 amHouston George Bush Intcntl

$248

Find similar

Delta

Nov 27

IAH5:30 amHouston George Bush Intcntl

11h 39m

2 stops

DLH5:09 pmDuluth Intl

Dec 3

DLH4:24 pmDuluth Intl

6h 50m

1 stop

IAH11:14 pmHouston George Bush Intcntl

$279

Find similar

Delta

Nov 27

IAH5:30 amHouston George Bush Intcntl

11h 39m

2 stops

DLH5:09 pmDuluth Intl

Dec 3

DLH4:24 pmDuluth Intl

16h 27m

2 stops

IAH8:51 amHouston George Bush Intcntl

$343

Find similar

United Airlines flights from Houston to Duluth

Our best United Airlines deals on Houston to Duluth flight tickets

United Airlines

Apr 18

IAH5:00 amHouston George Bush Intcntl

5h 44m

1 stop

DLH10:44 amDuluth Intl

Apr 22

DLH3:14 pmDuluth Intl

5h 56m

1 stop

IAH9:10 pmHouston George Bush Intcntl

$384

Find similar

United Airlines

Jan 20

IAH7:40 amHouston George Bush Intcntl

14h 19m

2 stops

DLH9:59 pmDuluth Intl

Jan 23

DLH7:40 amDuluth Intl

24h 52m

2 stops

IAH8:32 amHouston George Bush Intcntl

$525

Find similar

United Airlines

Jan 20

IAH8:09 pmHouston George Bush Intcntl

18h 21m

2 stops

DLH2:30 pmDuluth Intl

Jan 23

DLH3:05 pmDuluth Intl

17h 31m

2 stops

IAH8:36 amHouston George Bush Intcntl

$538

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Thu 11/27

6:40 am-11:21 am

1 stop4h 41m

Duluth Intl

Wed 12/3

5:00 am-10:12 am

1 stop5h 12m

$248

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Thu 11/27

5:30 am-5:09 pm

2 stops11h 39m

Duluth Intl

Wed 12/3

4:24 pm-11:14 pm

1 stop6h 50m

$279

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Thu 11/27

5:30 am-5:09 pm

2 stops11h 39m

Duluth Intl

Wed 12/3

4:24 pm-8:51 am

2 stops16h 27m

$343

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Sat 4/18

5:00 am-10:44 am

1 stop5h 44m

Duluth Intl

Wed 4/22

3:14 pm-9:10 pm

1 stop5h 56m

$384

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Sat 4/18

3:25 pm-10:57 am

2 stops19h 32m

Duluth Intl

Wed 4/22

8:05 am-1:59 pm

1 stop5h 54m

$413

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Tue 1/20

6:36 am-11:16 am

1 stop4h 40m

Duluth Intl

Fri 1/23

4:41 pm-11:17 pm

1 stop6h 36m

$424

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Tue 1/20

4:46 pm-11:52 pm

1 stop7h 06m

Duluth Intl

Fri 1/23

11:56 am-11:58 pm

2 stops12h 02m

$430

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Sat 4/18

3:25 pm-10:57 am

2 stops19h 32m

Duluth Intl

Wed 4/22

5:10 am-9:59 am

1 stop4h 49m

$438

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Tue 1/20

7:40 am-9:59 pm

2 stops14h 19m

Duluth Intl

Fri 1/23

7:40 am-8:32 am

2 stops24h 52m

$525

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Tue 1/20

8:09 pm-2:30 pm

2 stops18h 21m

Duluth Intl

Fri 1/23

3:05 pm-8:36 am

2 stops17h 31m

$538

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from Houston to Duluth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Duluth?

The cheapest month to fly to Duluth from Houston is in January. Flight prices, which tend to average around $248, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Duluth from Houston during December instead. Flights to Duluth in December, while not as cheap as those in January, still average around $248.

What is the cheapest day to depart on your flight to Duluth?

The cheapest day to depart from Houston to Duluth is on a Tuesday when prices can be found for as low as $247. On the other hand, Thursday is the most expensive day to depart from Houston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $714.

What is the cheapest time of day to depart on your flight to Duluth?

Flying to Duluth from Houston in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $363 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to Duluth is in the morning when prices are around $428.

Cheap Houston to Duluth flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Duluth

Direct flights	None

There are no direct flights from Houston to Duluth. There are no popular flight routes from Houston to Duluth.

Search flight deals

How far is Houston to Duluth Intl by plane?
A flight from Houston to Duluth Intl will travel around 1188.5 mi. In terms of flight time, this usually takes a little over 4h 40m.
When did momondo last update prices for flights from Houston to Duluth Intl Airport?
Prices for flights from Houston to Duluth Intl Airport refresh daily.
How many operators does momondo search for flights from Houston to Duluth Intl Airport?
As of November 2025, there is 1 operator available to choose from for flights from Houston to Duluth Intl Airport.
How old do you have to be to fly from Houston to Duluth Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Duluth Intl Airport.
What documentation or ID do you need to fly to Duluth Intl Airport?
The travel and health documents required for your trip to Duluth Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Duluth Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Houston to Duluth

Compare and see reviews for airlines that fly from Houston to Duluth with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $248	Free Cancellation	Rating 7.9 8,002 reviews		Search Delta flights

Two Harbors

Hayward

Superior

Cloquet

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Duluth?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Duluth from Houston.

Can I find flights from Houston to Duluth with flexible booking policies on momondo?

All flight searches from Houston to Duluth on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Houston to Duluth?

Once you have performed a search for Houston to Duluth flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Houston to Duluth right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Houston to Duluth flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.