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

United Airlines and Delta are the most popular carriers 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 December 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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6:36 am - 11:16 am

IAH

DLH

4h 40m1 stop

4:24 pm - 11:15 pm

DLH

IAH

6h 51m1 stop

$296Delta

Wed, Jan 14 - Wed, Jan 21

5:15 am - 3:44 pm

IAH

DLH

10h 29m2 stops

4:24 pm - 11:15 pm

DLH

IAH

6h 51m1 stop

$302Delta

Wed, Jan 14 - Wed, Jan 21

5:15 am - 3:44 pm

IAH

DLH

10h 29m2 stops

4:24 pm - 11:57 pm

DLH

IAH

7h 33m2 stops

$307Delta

Wed, Jan 14 - Wed, Jan 21

6:36 am - 11:16 am

IAH

DLH

4h 40m1 stop

5:00 am - 10:37 am

DLH

IAH

5h 37m1 stop

$313Delta

Tue, Jan 6 - Tue, Jan 13

12:47 pm - 7:35 pm

IAH

DLH

6h 48m1 stop

5:00 am - 3:07 pm

DLH

IAH

10h 07m2 stops

$319Delta

Tue, Jan 6 - Tue, Jan 13

5:15 am - 3:44 pm

IAH

DLH

10h 29m2 stops

5:00 am - 3:07 pm

DLH

IAH

10h 07m2 stops

$363Delta

Tue, Jan 6 - Tue, Jan 13

6:30 am - 2:28 pm

IAH

DLH

7h 58m1 stop

3:05 pm - 12:13 am

DLH

IAH

9h 08m1 stop

$392United Airlines

Fri, Jan 2 - Sat, Jan 10

7:20 am - 2:30 pm

IAH

DLH

7h 10m1 stop

3:05 pm - 12:12 am

DLH

IAH

9h 07m1 stop

$431United Airlines

Wed, Jan 21 - Sat, Jan 24

5:05 pm - 10:55 pm

IAH

DLH

5h 50m1 stop

3:05 pm - 8:24 am

DLH

IAH

17h 19m2 stops

$483United Airlines

Fri, Jan 2 - Sat, Jan 10

7:39 am - 9:59 pm

IAH

DLH

14h 20m2 stops

3:05 pm - 9:28 pm

DLH

IAH

6h 23m1 stop

$504United Airlines

Wed, Jan 21 - Sat, Jan 24

Delta flights from Houston to Duluth

Our best Delta deals on Houston to Duluth flight tickets

Delta

Jan 14

IAH6:36 amHouston George Bush Intcntl

4h 40m

1 stop

DLH11:16 amDuluth Intl

Jan 21

DLH4:24 pmDuluth Intl

6h 51m

1 stop

IAH11:15 pmHouston George Bush Intcntl

$296

Find similar

Delta

Jan 14

IAH5:15 amHouston George Bush Intcntl

10h 29m

2 stops

DLH3:44 pmDuluth Intl

Jan 21

DLH4:24 pmDuluth Intl

6h 51m

1 stop

IAH11:15 pmHouston George Bush Intcntl

$302

Find similar

Delta

Jan 14

IAH5:15 amHouston George Bush Intcntl

10h 29m

2 stops

DLH3:44 pmDuluth Intl

Jan 21

DLH4:24 pmDuluth Intl

7h 33m

2 stops

IAH11:57 pmHouston George Bush Intcntl

$307

Find similar

United Airlines flights from Houston to Duluth

Our best United Airlines deals on Houston to Duluth flight tickets

United Airlines

Jan 2

IAH6:30 amHouston George Bush Intcntl

7h 58m

1 stop

DLH2:28 pmDuluth Intl

Jan 10

DLH3:05 pmDuluth Intl

9h 08m

1 stop

IAH12:13 amHouston George Bush Intcntl

$392

Find similar

United Airlines

Jan 21

IAH7:20 amHouston George Bush Intcntl

7h 10m

1 stop

DLH2:30 pmDuluth Intl

Jan 24

DLH3:05 pmDuluth Intl

9h 07m

1 stop

IAH12:12 amHouston George Bush Intcntl

$431

Find similar

United Airlines

Jan 2

IAH5:05 pmHouston George Bush Intcntl

5h 50m

1 stop

DLH10:55 pmDuluth Intl

Jan 10

DLH3:05 pmDuluth Intl

17h 19m

2 stops

IAH8:24 amHouston George Bush Intcntl

$483

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Wed 1/14

6:36 am-11:16 am

1 stop4h 40m

Duluth Intl

Wed 1/21

4:24 pm-11:15 pm

1 stop6h 51m

$296

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Wed 1/14

5:15 am-3:44 pm

2 stops10h 29m

Duluth Intl

Wed 1/21

4:24 pm-11:15 pm

1 stop6h 51m

$302

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Wed 1/14

5:15 am-3:44 pm

2 stops10h 29m

Duluth Intl

Wed 1/21

4:24 pm-11:57 pm

2 stops7h 33m

$307

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Tue 1/6

6:36 am-11:16 am

1 stop4h 40m

Duluth Intl

Tue 1/13

5:00 am-10:37 am

1 stop5h 37m

$313

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Tue 1/6

12:47 pm-7:35 pm

1 stop6h 48m

Duluth Intl

Tue 1/13

5:00 am-3:07 pm

2 stops10h 07m

$319

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Tue 1/6

5:15 am-3:44 pm

2 stops10h 29m

Duluth Intl

Tue 1/13

5:00 am-3:07 pm

2 stops10h 07m

$363

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Fri 1/2

6:30 am-2:28 pm

1 stop7h 58m

Duluth Intl

Sat 1/10

3:05 pm-12:13 am

1 stop9h 08m

$392

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Wed 1/21

7:20 am-2:30 pm

1 stop7h 10m

Duluth Intl

Sat 1/24

3:05 pm-12:12 am

1 stop9h 07m

$431

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Fri 1/2

5:05 pm-10:55 pm

1 stop5h 50m

Duluth Intl

Sat 1/10

3:05 pm-8:24 am

2 stops17h 19m

$483

HoustonDuluth

IAH - DLH

IAHDLH

Houston George Bush Intcntl

Wed 1/21

7:39 am-9:59 pm

2 stops14h 20m

Duluth Intl

Sat 1/24

3:05 pm-9:28 pm

1 stop6h 23m

$504

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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

Fastest flight time	4h 40m
Direct flights	None

The fastest flight from Houston to Duluth takes 4h 40m

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 December 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 8,010 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.