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

United Airlines and Delta are the most popular carriers operating from Portland to Duluth Intl

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

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

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

There are 2 operators available for flights from Portland Airport to Duluth Intl Airport as of September 2025.

How old do you have to be to fly from Portland Airport 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 Portland Airport to Duluth Intl Airport.

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

The required travel and health documents for your Duluth Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Duluth Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$178 Cheap Flights from Portland to Duluth in 2025/26

Q: What is the typical price of a round-trip flight between Portland and Duluth?

Prices are currently low for flights on this route. Typical prices usually range from $429 to $792. The lowest price recently found on this route was $264.

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Find the cheapest flights from Portland to Duluth

Round-trip

One-way

Last minute

Cheap round-trip flights

11:59 pm - 10:37 amPDX-DLH

8h 38m1 stop

11:14 am - 9:26 pmDLH-PDX

12h 12m2 stops

$264United Airlines

Find Deal

Sat, Nov 8 - Sat, Nov 15

11:59 pm - 11:37 amPDX-DLH

9h 38m1 stop

3:06 pm - 10:33 pmDLH-PDX

9h 27m1 stop

$267United Airlines

Find Deal

Sat, Nov 1 - Sat, Nov 8

8:30 am - 9:59 pmPDX-DLH

11h 29m2 stops

3:06 pm - 10:33 pmDLH-PDX

9h 27m1 stop

$272United Airlines

Find Deal

Sat, Nov 1 - Sat, Nov 8

8:30 am - 9:59 pmPDX-DLH

11h 29m2 stops

11:14 am - 9:26 pmDLH-PDX

12h 12m2 stops

$283United Airlines

Find Deal

Sat, Nov 1 - Sat, Nov 8

6:20 am - 3:30 pmPDX-DLH

7h 10m1 stop

7:50 am - 12:50 pmDLH-PDX

7h 00m1 stop

$304Delta

Find Deal

Tue, Oct 21 - Tue, Nov 4

6:20 am - 3:30 pmPDX-DLH

7h 10m1 stop

7:50 am - 4:12 pmDLH-PDX

10h 22m2 stops

$310Delta

Find Deal

Tue, Oct 21 - Tue, Nov 4

5:30 am - 7:17 pmPDX-DLH

11h 47m2 stops

12:01 pm - 10:05 pmDLH-PDX

12h 04m2 stops

$315Delta

Find Deal

Tue, Nov 4 - Wed, Nov 12

6:00 am - 3:44 pmPDX-DLH

7h 44m1 stop

4:24 pm - 8:53 pmDLH-PDX

6h 29m1 stop

$326Delta

Find Deal

Wed, Dec 3 - Tue, Dec 9

12:06 pm - 7:17 pmPDX-DLH

5h 11m1 stop

12:01 pm - 10:05 pmDLH-PDX

12h 04m2 stops

$332Delta

Find Deal

Tue, Nov 4 - Wed, Nov 12

11:59 pm - 10:45 amPDX-DLH

8h 46m1 stop

3:06 pm - 10:33 pmDLH-PDX

9h 27m1 stop

$333United Airlines

Find Deal

Wed, Oct 15 - Tue, Nov 4

United Airlines flights from Portland to Duluth

Our best United Airlines deals on Portland to Duluth flight tickets

United Airlines

Nov 8

PDX11:59 pmPortland

8h 38m

1 stop

DLH10:37 amDuluth Intl

Nov 15

DLH11:14 amDuluth Intl

12h 12m

2 stops

PDX9:26 pmPortland

$264

Find similar

United Airlines

Nov 1

PDX11:59 pmPortland

9h 38m

1 stop

DLH11:37 amDuluth Intl

Nov 8

DLH3:06 pmDuluth Intl

9h 27m

1 stop

PDX10:33 pmPortland

$267

Find similar

United Airlines

Nov 1

PDX8:30 amPortland

11h 29m

2 stops

DLH9:59 pmDuluth Intl

Nov 8

DLH3:06 pmDuluth Intl

9h 27m

1 stop

PDX10:33 pmPortland

$272

Find similar

Delta flights from Portland to Duluth

Our best Delta deals on Portland to Duluth flight tickets

Delta

Oct 21

PDX6:20 amPortland

7h 10m

1 stop

DLH3:30 pmDuluth Intl

Nov 4

DLH7:50 amDuluth Intl

7h 00m

1 stop

PDX12:50 pmPortland

$304

Find similar

Delta

Oct 21

PDX6:20 amPortland

7h 10m

1 stop

DLH3:30 pmDuluth Intl

Nov 4

DLH7:50 amDuluth Intl

10h 22m

2 stops

PDX4:12 pmPortland

$310

Find similar

Delta

Nov 4

PDX5:30 amPortland

11h 47m

2 stops

DLH7:17 pmDuluth Intl

Nov 12

DLH12:01 pmDuluth Intl

12h 04m

2 stops

PDX10:05 pmPortland

$315

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Sat 11/8

11:59 pm-10:37 am

1 stop8h 38m

Duluth Intl

Sat 11/15

11:14 am-9:26 pm

2 stops12h 12m

$264

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Sat 11/1

11:59 pm-11:37 am

1 stop9h 38m

Duluth Intl

Sat 11/8

3:06 pm-10:33 pm

1 stop9h 27m

$267

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Sat 11/1

8:30 am-9:59 pm

2 stops11h 29m

Duluth Intl

Sat 11/8

3:06 pm-10:33 pm

1 stop9h 27m

$272

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Sat 11/1

8:30 am-9:59 pm

2 stops11h 29m

Duluth Intl

Sat 11/8

11:14 am-9:26 pm

2 stops12h 12m

$283

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Tue 10/21

6:20 am-3:30 pm

1 stop7h 10m

Duluth Intl

Tue 11/4

7:50 am-12:50 pm

1 stop7h 00m

$304

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Tue 10/21

6:20 am-3:30 pm

1 stop7h 10m

Duluth Intl

Tue 11/4

7:50 am-4:12 pm

2 stops10h 22m

$310

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Tue 11/4

5:30 am-7:17 pm

2 stops11h 47m

Duluth Intl

Wed 11/12

12:01 pm-10:05 pm

2 stops12h 04m

$315

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Wed 12/3

6:00 am-3:44 pm

1 stop7h 44m

Duluth Intl

Tue 12/9

4:24 pm-8:53 pm

1 stop6h 29m

$326

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Tue 11/4

12:06 pm-7:17 pm

1 stop5h 11m

Duluth Intl

Wed 11/12

12:01 pm-10:05 pm

2 stops12h 04m

$332

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Wed 10/15

11:59 pm-10:45 am

1 stop8h 46m

Duluth Intl

Tue 11/4

3:06 pm-10:33 pm

1 stop9h 27m

$333

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portland 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 typical price of a round-trip flight between Portland and Duluth?

What is the cheapest month to fly to Duluth?

The cheapest month to fly to Duluth from Portland is in April. Flight prices, which tend to average around $282, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Duluth from Portland during October instead. Flights to Duluth in October, while not as cheap as those in April, still average around $342.

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

The cheapest day to depart from Portland to Duluth is on a Saturday when prices can be found for as low as $364. On the other hand, Thursday is the most expensive day to depart from Portland because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $520.

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

Flying to Duluth from Portland in the evening is the least expensive time of day to depart. momondo users have found prices as low as $392 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Duluth is at noon when prices are around $680.

Can stopping save me money on Portland to Duluth flights?

You could potentially save up to 21% on your flight if you consider stops on a Portland to Duluth flight.

When to book flights from Portland to Duluth

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Duluth according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Portland to Duluth (PDX to DLH) flight deals and tips

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

Direct flights	None

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

Search flight deals

How far is Portland to Duluth Intl by plane?
There are 1455.5 mi between Portland and Duluth Intl. Flights usually cover this in 5h 11m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Portland Airport to Duluth Intl Airport?
Prices for flights from Portland Airport to Duluth Intl Airport refresh daily.
How many operators does momondo search for flights from Portland Airport to Duluth Intl Airport?
There are 2 operators available for flights from Portland Airport to Duluth Intl Airport as of September 2025.
How old do you have to be to fly from Portland Airport 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 Portland Airport to Duluth Intl Airport.
What documentation or ID do you need to fly to Duluth Intl Airport?
The required travel and health documents for your Duluth Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Duluth Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Portland to Duluth?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Portland to Duluth is Delta (86% of total bookings). The next most popular airline is United Airlines (14%).

Best airlines flying from Portland to Duluth

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $258	Free Cancellation	Rating 7.9 7,956 reviews		Search Delta flights
United Airlines	PriceFrom $312	Free Cancellation	Rating 7.4 8,931 reviews		Search United Airlines flights

Two Harbors

Hayward

Superior

Cloquet

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Duluth for you.

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

Yes. momondo enables you to select and highlight flights to Duluth from Portland with this policy.

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

momondo helps you find the best flight between Portland and Duluth by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Duluth, momondo offers a useful price alert feature which will track prices for flights to Duluth from Portland and alert you when they change.