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Cheap flights from Duluth to Portland from $304

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Duluth to Portland departing on 3/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Duluth to Portland

Cheap round-trip flights

Delta Logo
12:00 pm - 4:51 pmDLH-PDX
6h 51m1 stop
Delta Logo
12:55 am - 11:07 amPDX-DLH
8h 12m1 stop
$304Delta
Find Deal
Tue, Mar 3 - Fri, Mar 6
Delta Logo
4:20 pm - 8:30 pmDLH-PDX
6h 10m1 stop
Delta Logo
12:55 am - 11:07 amPDX-DLH
8h 12m1 stop
$308Delta
Find Deal
Wed, Jan 21 - Sun, Jan 25
Delta Logo
12:00 pm - 7:11 pmDLH-PDX
9h 11m2 stops
Delta Logo
12:55 am - 11:07 amPDX-DLH
8h 12m1 stop
$310Delta
Find Deal
Tue, Mar 3 - Fri, Mar 6
Delta Logo
4:20 pm - 8:30 pmDLH-PDX
6h 10m1 stop
Delta Logo
9:10 am - 7:37 pmPDX-DLH
8h 27m2 stops
$314Delta
Find Deal
Wed, Jan 21 - Mon, Jan 26
Delta Logo
12:00 pm - 4:51 pmDLH-PDX
6h 51m1 stop
Delta Logo
6:15 am - 3:24 pmPDX-DLH
7h 09m1 stop
$335Delta
Find Deal
Wed, Jan 21 - Mon, Jan 26
United Airlines Logo
3:06 pm - 10:33 pmDLH-PDX
9h 27m1 stop
United Airlines Logo
11:59 pm - 10:37 amPDX-DLH
8h 38m1 stop
$338United Airlines
Find Deal
Fri, Oct 31 - Sun, Nov 2
Delta Logo
12:00 pm - 8:47 pmDLH-PDX
10h 47m2 stops
Delta Logo
12:55 am - 11:07 amPDX-DLH
8h 12m1 stop
$341Delta
Find Deal
Wed, Jan 21 - Sun, Jan 25
United Airlines Logo
3:06 pm - 10:33 pmDLH-PDX
9h 27m1 stop
United Airlines Logo
11:59 pm - 10:37 amPDX-DLH
8h 38m1 stop
$342United Airlines
Find Deal
Tue, Oct 28 - Tue, Nov 4
United Airlines Logo
11:14 am - 10:51 pmDLH-PDX
13h 37m2 stops
United Airlines Logo
11:59 pm - 10:37 amPDX-DLH
8h 38m1 stop
$344United Airlines
Find Deal
Fri, Oct 31 - Sun, Nov 2
Delta Logo
12:00 pm - 8:47 pmDLH-PDX
10h 47m2 stops
Delta Logo
9:10 am - 7:37 pmPDX-DLH
8h 27m2 stops
$346Delta
Find Deal
Wed, Jan 21 - Mon, Jan 26

Delta flights from Duluth to Portland

Our best Delta deals on Duluth to Portland flight tickets
Delta
Mar 3
DLH12:00 pmDuluth Intl
6h 51m
1 stop
PDX4:51 pmPortland
Mar 6
PDX12:55 amPortland
8h 12m
1 stop
DLH11:07 amDuluth Intl
$304
Find similar
Delta
Jan 21
DLH4:20 pmDuluth Intl
6h 10m
1 stop
PDX8:30 pmPortland
Jan 25
PDX12:55 amPortland
8h 12m
1 stop
DLH11:07 amDuluth Intl
$308
Find similar
Delta
Mar 3
DLH12:00 pmDuluth Intl
9h 11m
2 stops
PDX7:11 pmPortland
Mar 6
PDX12:55 amPortland
8h 12m
1 stop
DLH11:07 amDuluth Intl
$310
Find similar

United Airlines flights from Duluth to Portland

Our best United Airlines deals on Duluth to Portland flight tickets
United Airlines
Oct 31
DLH3:06 pmDuluth Intl
9h 27m
1 stop
PDX10:33 pmPortland
Nov 2
PDX11:59 pmPortland
8h 38m
1 stop
DLH10:37 amDuluth Intl
$338
Find similar
United Airlines
Oct 28
DLH3:06 pmDuluth Intl
9h 27m
1 stop
PDX10:33 pmPortland
Nov 4
PDX11:59 pmPortland
8h 38m
1 stop
DLH10:37 amDuluth Intl
$342
Find similar
United Airlines
Oct 31
DLH11:14 amDuluth Intl
13h 37m
2 stops
PDX10:51 pmPortland
Nov 2
PDX11:59 pmPortland
8h 38m
1 stop
DLH10:37 amDuluth Intl
$344
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Duluth to Portland 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, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Duluth to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Tue 3/3

12:00 pm-4:51 pm

1 stop6h 51m

Portland

Fri 3/6

12:55 am-11:07 am

1 stop8h 12m

$304

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Wed 1/21

4:20 pm-8:30 pm

1 stop6h 10m

Portland

Sun 1/25

12:55 am-11:07 am

1 stop8h 12m

$308

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Tue 3/3

12:00 pm-7:11 pm

2 stops9h 11m

Portland

Fri 3/6

12:55 am-11:07 am

1 stop8h 12m

$310

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Wed 1/21

4:20 pm-8:30 pm

1 stop6h 10m

Portland

Mon 1/26

9:10 am-7:37 pm

2 stops8h 27m

$314

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Wed 1/21

12:00 pm-4:51 pm

1 stop6h 51m

Portland

Mon 1/26

6:15 am-3:24 pm

1 stop7h 09m

$335

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Fri 10/31

3:06 pm-10:33 pm

1 stop9h 27m

Portland

Sun 11/2

11:59 pm-10:37 am

1 stop8h 38m

$338

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Wed 1/21

12:00 pm-8:47 pm

2 stops10h 47m

Portland

Sun 1/25

12:55 am-11:07 am

1 stop8h 12m

$341

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Tue 10/28

3:06 pm-10:33 pm

1 stop9h 27m

Portland

Tue 11/4

11:59 pm-10:37 am

1 stop8h 38m

$342

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Fri 10/31

11:14 am-10:51 pm

2 stops13h 37m

Portland

Sun 11/2

11:59 pm-10:37 am

1 stop8h 38m

$344

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Wed 1/21

12:00 pm-8:47 pm

2 stops10h 47m

Portland

Mon 1/26

9:10 am-7:37 pm

2 stops8h 27m

$346

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Portland from

How to get the cheapest flight ticket from Duluth to Portland

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

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

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Duluth is in February. Flight prices, which tend to average around $266, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in February, then you should wait until January to fly from Duluth, when ticket prices are also cheap, with an average price of $283.

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

The cheapest day to depart on your flight to Portland is on a Thursday when prices can be found for as low as $324. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Sunday, with ticket prices averaging around $624.

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

The cheapest time of day to fly to Portland is at noon when flights can be purchased for as low as $283. In the afternoon is when there is more demand to fly to Portland, so prices are often more expensive at around $464 per ticket.

Can stopping save me money on Duluth to Portland flights?

You could potentially save up to 14% on your flight if you consider stops on a Duluth to Portland flight.

When to book flights from Duluth to Portland

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

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

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

Direct flights

None
There are no direct flights from Duluth to Portland. There are no popular flight routes from Duluth to Portland.
Search flight deals

  • How far is Duluth Intl to Portland by plane?

    There are 1455.5 mi between Duluth Intl and Portland. 6h 10m is a normal flight duration for this route.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Duluth Intl Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Duluth to Portland?

Best airlines flying from Duluth to Portland

Compare and see reviews for airlines that fly from Duluth to Portland with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $254Free CancellationRating
7.9
7,961 reviews
Search Delta flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Cannon Beach
Vancouver
Salem
Astoria
Long Beach
Depoe Bay
Rockaway Beach
Beaverton
Hillsboro
Hood River
Gresham
McMinnville
Longview
Tigard
The Dalles
Pacific City
Tillamook
Manzanita

Why use momondo?

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

It is quick and easy to find Duluth to Portland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portland that suits you.

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

Flights from Duluth to Portland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Duluth to Portland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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

An easier way to manage your Portland trip

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