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Cheap flights from Washington to Duluth from $323

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Duluth departing on 8/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Duluth

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:00 pm - 7:25 pmSEA  Seattle/Tacoma Intl-DLH Duluth Intl
5h 25m1 stop Minneapolis St Paul
Delta Logo
5:15 am - 10:39 amDLH  Duluth Intl-SEA Seattle/Tacoma Intl
7h 24m1 stop Minneapolis St Paul
$328Delta
Thu, Sep 10 - Sat, Sep 12
United Airlines Logo
1:56 pm - 11:22 pmSEA  Seattle/Tacoma Intl-DLH Duluth Intl
7h 26m1 stop Chicago O'Hare Intl
United Airlines Logo
7:45 am - 4:05 pmDLH  Duluth Intl-SEA Seattle/Tacoma Intl
10h 20m1 stop Chicago O'Hare Intl
$342United Airlines
Tue, Oct 6 - Sat, Oct 10
Delta Logo
6:00 am - 3:29 pmSEA  Seattle/Tacoma Intl-DLH Duluth Intl
7h 29m1 stop Minneapolis St Paul
Delta Logo
5:15 am - 10:39 amDLH  Duluth Intl-SEA Seattle/Tacoma Intl
7h 24m1 stop Minneapolis St Paul
$358Delta
Fri, Sep 11 - Sat, Sep 12
United Airlines Logo
11:30 pm - 10:42 amPDX  Portland-DLH Duluth Intl
9h 12m1 stop Chicago O'Hare Intl
United Airlines Logo
3:10 pm - 10:23 pmDLH  Duluth Intl-PDX Portland
9h 13m1 stop Chicago O'Hare Intl
$384United Airlines
Thu, Oct 1 - Mon, Oct 5
Delta Logo
12:00 pm - 7:25 pmSEA  Seattle/Tacoma Intl-DLH Duluth Intl
5h 25m1 stop Minneapolis St Paul
Delta Logo
5:15 am - 10:39 amDLH  Duluth Intl-SEA Seattle/Tacoma Intl
7h 24m1 stop Minneapolis St Paul
$398Delta
Thu, Sep 10 - Sun, Sep 13
Delta Logo
3:22 pm - 10:57 pmPDX  Portland-DLH Duluth Intl
5h 35m1 stop Minneapolis St Paul
Delta Logo
5:14 am - 10:34 amDLH  Duluth Intl-PDX Portland
7h 20m1 stop Minneapolis St Paul
$398Delta
Wed, Oct 7 - Sun, Oct 18
United Airlines Logo
10:50 am - 11:22 pmPDX  Portland-DLH Duluth Intl
10h 32m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
11:18 am - 6:53 pmDLH  Duluth Intl-PDX Portland
9h 35m1 stop Chicago O'Hare Intl
$404United Airlines
Sat, Aug 22 - Wed, Aug 26
United Airlines Logo
11:02 pm - 10:40 amPDX  Portland-DLH Duluth Intl
9h 38m1 stop Chicago O'Hare Intl
United Airlines Logo
3:10 pm - 10:52 pmDLH  Duluth Intl-PDX Portland
9h 42m1 stop Chicago O'Hare Intl
$411United Airlines
Thu, Sep 10 - Tue, Sep 15
United Airlines Logo
2:15 pm - 11:04 pmSEA  Seattle/Tacoma Intl-DLH Duluth Intl
6h 49m1 stop Chicago O'Hare Intl
United Airlines Logo
3:14 pm - 10:29 pmDLH  Duluth Intl-SEA Seattle/Tacoma Intl
9h 15m1 stop Chicago O'Hare Intl
$418United Airlines
Sat, Jan 9 - Wed, Jan 13
United Airlines Logo
10:59 pm - 10:42 amPDX  Portland-DLH Duluth Intl
9h 43m1 stop Chicago O'Hare Intl
United Airlines Logo
3:14 pm - 11:12 pmDLH  Duluth Intl-PDX Portland
9h 58m1 stop Chicago O'Hare Intl
$418United Airlines
Sat, Jan 23 - Tue, Jan 26

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Delta flights from State of Washington to Duluth

Our best Delta deals on State of Washington to Duluth flight tickets
Delta
Sep 10
SEA12:00 pmSeattle/Tacoma Intl
5h 25m
1 stop
DLH7:25 pmDuluth Intl
Sep 12
DLH5:15 amDuluth Intl
7h 24m
1 stop
SEA10:39 amSeattle/Tacoma Intl
$328
Delta
Sep 11
SEA6:00 amSeattle/Tacoma Intl
7h 29m
1 stop
DLH3:29 pmDuluth Intl
Sep 12
DLH5:15 amDuluth Intl
7h 24m
1 stop
SEA10:39 amSeattle/Tacoma Intl
$358
Delta
Sep 10
SEA12:00 pmSeattle/Tacoma Intl
5h 25m
1 stop
DLH7:25 pmDuluth Intl
Sep 13
DLH5:15 amDuluth Intl
7h 24m
1 stop
SEA10:39 amSeattle/Tacoma Intl
$398

United Airlines flights from State of Washington to Duluth

Our best United Airlines deals on State of Washington to Duluth flight tickets
United Airlines
Oct 6
SEA1:56 pmSeattle/Tacoma Intl
7h 26m
1 stop
DLH11:22 pmDuluth Intl
Oct 10
DLH7:45 amDuluth Intl
10h 20m
1 stop
SEA4:05 pmSeattle/Tacoma Intl
$342
United Airlines
Oct 1
PDX11:30 pmPortland
9h 12m
1 stop
DLH10:42 amDuluth Intl
Oct 5
DLH3:10 pmDuluth Intl
9h 13m
1 stop
PDX10:23 pmPortland
$384
United Airlines
Aug 22
PDX10:50 amPortland
10h 32m
2 stops
DLH11:22 pmDuluth Intl
Aug 26
DLH11:18 amDuluth Intl
9h 35m
1 stop
PDX6:53 pmPortland
$404

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington 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, momondo users made 832,500 searches. Data last updated August 12, 2026.
Use the filters below to find and compare flights from Washington to Duluth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleDuluth

SEA Seattle/Tacoma Intl - DLH Duluth Intl

SEADLH

Seattle/Tacoma Intl

Thu 9/10

12:00 pm-7:25 pm

1 stop5h 25m

Duluth Intl

Sat 9/12

5:15 am-10:39 am

1 stop7h 24m

$328

SeattleDuluth

SEA Seattle/Tacoma Intl - DLH Duluth Intl

SEADLH

Seattle/Tacoma Intl

Tue 10/6

1:56 pm-11:22 pm

1 stop7h 26m

Duluth Intl

Sat 10/10

7:45 am-4:05 pm

1 stop10h 20m

$342

SeattleDuluth

SEA Seattle/Tacoma Intl - DLH Duluth Intl

SEADLH

Seattle/Tacoma Intl

Fri 9/11

6:00 am-3:29 pm

1 stop7h 29m

Duluth Intl

Sat 9/12

5:15 am-10:39 am

1 stop7h 24m

$358

PortlandDuluth

PDX Portland - DLH Duluth Intl

PDXDLH

Portland

Thu 10/1

11:30 pm-10:42 am

1 stop9h 12m

Duluth Intl

Mon 10/5

3:10 pm-10:23 pm

1 stop9h 13m

$384

SeattleDuluth

SEA Seattle/Tacoma Intl - DLH Duluth Intl

SEADLH

Seattle/Tacoma Intl

Thu 9/10

12:00 pm-7:25 pm

1 stop5h 25m

Duluth Intl

Sun 9/13

5:15 am-10:39 am

1 stop7h 24m

$398

PortlandDuluth

PDX Portland - DLH Duluth Intl

PDXDLH

Portland

Wed 10/7

3:22 pm-10:57 pm

1 stop5h 35m

Duluth Intl

Sun 10/18

5:14 am-10:34 am

1 stop7h 20m

$398

PortlandDuluth

PDX Portland - DLH Duluth Intl

PDXDLH

Portland

Sat 8/22

10:50 am-11:22 pm

2 stops10h 32m

Duluth Intl

Wed 8/26

11:18 am-6:53 pm

1 stop9h 35m

$404

PortlandDuluth

PDX Portland - DLH Duluth Intl

PDXDLH

Portland

Thu 9/10

11:02 pm-10:40 am

1 stop9h 38m

Duluth Intl

Tue 9/15

3:10 pm-10:52 pm

1 stop9h 42m

$411

SeattleDuluth

SEA Seattle/Tacoma Intl - DLH Duluth Intl

SEADLH

Seattle/Tacoma Intl

Sat 1/9

2:15 pm-11:04 pm

1 stop6h 49m

Duluth Intl

Wed 1/13

3:14 pm-10:29 pm

1 stop9h 15m

$418

PortlandDuluth

PDX Portland - DLH Duluth Intl

PDXDLH

Portland

Sat 1/23

10:59 pm-10:42 am

1 stop9h 43m

Duluth Intl

Tue 1/26

3:14 pm-11:12 pm

1 stop9h 58m

$418

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Duluth from

How to get the cheapest flight ticket from State of Washington 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

What is the cheapest month to fly to Duluth?

The cheapest month to fly to Duluth from State of Washington is in December. Flight prices, which tend to average around $293, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of December, then book flights to Duluth from State of Washington during February instead. Flights to Duluth in February, while not as cheap as those in December, still average around $340.

Cheap State of Washington to Duluth flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Duluth

Fastest flight time

6h 11m

Direct flights

None
The fastest flight from State of Washington to Duluth takes 6h 11m
There are no direct flights from State of Washington to Duluth. There are no popular flight routes from State of Washington to Duluth.
Search flight deals

Frequently asked questions about flying from Washington to Duluth

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Duluth Intl Airport.

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

    The necessary travel and health documents for your Duluth Intl 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.

Best airlines flying from State of Washington to Duluth

Compare and see reviews for airlines that fly from State of Washington to Duluth with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $258Free CancellationRating
7.8
8,505 reviews
Search Delta flights
United AirlinesPriceFrom $301Free CancellationRating
7.4
10,104 reviews
Search United Airlines flights

Traveling to a place near Duluth?

Book flights to Duluth if you plan to visit one of these locations
Two Harbors
Superior
Cloquet
Hayward

Why use momondo?

Why should I use momondo to find a flight deal from Washington 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 Washington.

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

momondo does allow users to show only those flights to Duluth from Washington which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Washington to Duluth 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 Washington to Duluth right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington to Duluth flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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