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Cheap flights from Seattle to Duluth from $333

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Duluth

Cheap round-trip flights

Enter your travel dates to find the best prices.
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 - 3:52 pmDLH  Duluth Intl-SEA Seattle/Tacoma Intl
10h 07m1 stop Chicago O'Hare Intl
$348United Airlines
Thu, Oct 1 - Sat, Oct 3
Delta Logo
6:00 am - 3:41 pmSEA  Seattle/Tacoma Intl-DLH Duluth Intl
7h 41m1 stop Minneapolis St Paul
Delta Logo
12:35 pm - 4:58 pmDLH  Duluth Intl-SEA Seattle/Tacoma Intl
6h 23m1 stop Minneapolis St Paul
$366Delta
Tue, Oct 20 - Mon, Oct 26
Delta Logo
6:00 am - 3:41 pmSEA  Seattle/Tacoma Intl-DLH Duluth Intl
7h 41m1 stop Minneapolis St Paul
Delta Logo
12:35 pm - 4:58 pmDLH  Duluth Intl-SEA Seattle/Tacoma Intl
6h 23m1 stop Minneapolis St Paul
$366Delta
Tue, Oct 20 - Tue, Oct 27
Delta Logo
6:00 am - 3:41 pmSEA  Seattle/Tacoma Intl-DLH Duluth Intl
7h 41m1 stop Minneapolis St Paul
Delta Logo
4:21 pm - 8:50 pmDLH  Duluth Intl-SEA Seattle/Tacoma Intl
6h 29m1 stop Minneapolis St Paul
$366Delta
Tue, Oct 20 - Sat, Oct 24
Delta Logo
6:00 am - 3:41 pmSEA  Seattle/Tacoma Intl-DLH Duluth Intl
7h 41m1 stop Minneapolis St Paul
Delta Logo
7:00 am - 12:30 pmDLH  Duluth Intl-SEA Seattle/Tacoma Intl
7h 30m1 stop Minneapolis St Paul
$366Delta
Tue, Oct 20 - Wed, Oct 28
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
6:00 am - 2:17 pmDLH  Duluth Intl-SEA Seattle/Tacoma Intl
10h 17m2 stops Chicago O'Hare Intl San Francisco
$374United Airlines
Thu, Oct 1 - Sat, Oct 3
Delta Logo
6:00 am - 3:41 pmSEA  Seattle/Tacoma Intl-DLH Duluth Intl
7h 41m1 stop Minneapolis St Paul
Delta Logo
12:35 pm - 4:58 pmDLH  Duluth Intl-SEA Seattle/Tacoma Intl
6h 23m1 stop Minneapolis St Paul
$397Delta
Wed, Oct 21 - Mon, Oct 26
Delta Logo
6:00 am - 3:41 pmSEA  Seattle/Tacoma Intl-DLH Duluth Intl
7h 41m1 stop Minneapolis St Paul
Delta Logo
4:21 pm - 8:50 pmDLH  Duluth Intl-SEA Seattle/Tacoma Intl
6h 29m1 stop Minneapolis St Paul
$397Delta
Wed, Oct 21 - Sat, Oct 24
Delta Logo
6:00 am - 3:41 pmSEA  Seattle/Tacoma Intl-DLH Duluth Intl
7h 41m1 stop Minneapolis St Paul
Delta Logo
12:35 pm - 4:58 pmDLH  Duluth Intl-SEA Seattle/Tacoma Intl
6h 23m1 stop Minneapolis St Paul
$397Delta
Wed, Oct 21 - Tue, Oct 27
Delta Logo
6:00 am - 3:41 pmSEA  Seattle/Tacoma Intl-DLH Duluth Intl
7h 41m1 stop Minneapolis St Paul
Delta Logo
7:00 am - 12:30 pmDLH  Duluth Intl-SEA Seattle/Tacoma Intl
7h 30m1 stop Minneapolis St Paul
$397Delta
Wed, Oct 21 - Wed, Oct 28

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United Airlines flights from Seattle to Duluth

Our best United Airlines deals on Seattle to Duluth flight tickets
United Airlines
Oct 1
SEA1:56 pmSeattle/Tacoma Intl
7h 26m
1 stop
DLH11:22 pmDuluth Intl
Oct 3
DLH7:45 amDuluth Intl
10h 07m
1 stop
SEA3:52 pmSeattle/Tacoma Intl
$348
United Airlines
Oct 1
SEA1:56 pmSeattle/Tacoma Intl
7h 26m
1 stop
DLH11:22 pmDuluth Intl
Oct 3
DLH6:00 amDuluth Intl
10h 17m
2 stops
SEA2:17 pmSeattle/Tacoma Intl
$374
United Airlines
Oct 1
SEA1:56 pmSeattle/Tacoma Intl
7h 26m
1 stop
DLH11:22 pmDuluth Intl
Oct 3
DLH7:45 amDuluth Intl
15h 30m
3 stops
SEA9:15 pmSeattle/Tacoma Intl
$449

Delta flights from Seattle to Duluth

Our best Delta deals on Seattle to Duluth flight tickets
Delta
Oct 20
SEA6:00 amSeattle/Tacoma Intl
7h 41m
1 stop
DLH3:41 pmDuluth Intl
Oct 28
DLH7:00 amDuluth Intl
7h 30m
1 stop
SEA12:30 pmSeattle/Tacoma Intl
$366
Delta
Oct 21
SEA6:00 amSeattle/Tacoma Intl
7h 41m
1 stop
DLH3:41 pmDuluth Intl
Oct 28
DLH7:00 amDuluth Intl
7h 30m
1 stop
SEA12:30 pmSeattle/Tacoma Intl
$397
Delta
Oct 20
SEA6:00 amSeattle/Tacoma Intl
7h 41m
1 stop
DLH3:41 pmDuluth Intl
Oct 25
DLH5:14 amDuluth Intl
15h 51m
2 stops
SEA7:05 pmSeattle/Tacoma Intl
$406

momondo Fare Finder

 
Use the filters below to find and compare flights from Seattle to Duluth that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

SeattleDuluth

SEA Seattle/Tacoma Intl - DLH Duluth Intl

SEADLH

Seattle/Tacoma Intl

Thu 10/1

1:56 pm-11:22 pm

1 stop7h 26m

Duluth Intl

Sat 10/3

7:45 am-3:52 pm

1 stop10h 07m

$348
Quickest round-trip

SeattleDuluth

SEA Seattle/Tacoma Intl - DLH Duluth Intl

SEADLH

Seattle/Tacoma Intl

Tue 10/20

6:00 am-3:41 pm

1 stop7h 41m

Duluth Intl

Mon 10/26

12:35 pm-4:58 pm

1 stop6h 23m

$366

SeattleDuluth

SEA Seattle/Tacoma Intl - DLH Duluth Intl

SEADLH

Seattle/Tacoma Intl

Tue 10/20

6:00 am-3:41 pm

1 stop7h 41m

Duluth Intl

Tue 10/27

12:35 pm-4:58 pm

1 stop6h 23m

$366

SeattleDuluth

SEA Seattle/Tacoma Intl - DLH Duluth Intl

SEADLH

Seattle/Tacoma Intl

Tue 10/20

6:00 am-3:41 pm

1 stop7h 41m

Duluth Intl

Sat 10/24

4:21 pm-8:50 pm

1 stop6h 29m

$366

SeattleDuluth

SEA Seattle/Tacoma Intl - DLH Duluth Intl

SEADLH

Seattle/Tacoma Intl

Tue 10/20

6:00 am-3:41 pm

1 stop7h 41m

Duluth Intl

Wed 10/28

7:00 am-12:30 pm

1 stop7h 30m

$366

SeattleDuluth

SEA Seattle/Tacoma Intl - DLH Duluth Intl

SEADLH

Seattle/Tacoma Intl

Thu 10/1

1:56 pm-11:22 pm

1 stop7h 26m

Duluth Intl

Sat 10/3

6:00 am-2:17 pm

2 stops10h 17m

$374

SeattleDuluth

SEA Seattle/Tacoma Intl - DLH Duluth Intl

SEADLH

Seattle/Tacoma Intl

Wed 10/21

6:00 am-3:41 pm

1 stop7h 41m

Duluth Intl

Mon 10/26

12:35 pm-4:58 pm

1 stop6h 23m

$397

SeattleDuluth

SEA Seattle/Tacoma Intl - DLH Duluth Intl

SEADLH

Seattle/Tacoma Intl

Wed 10/21

6:00 am-3:41 pm

1 stop7h 41m

Duluth Intl

Sat 10/24

4:21 pm-8:50 pm

1 stop6h 29m

$397

SeattleDuluth

SEA Seattle/Tacoma Intl - DLH Duluth Intl

SEADLH

Seattle/Tacoma Intl

Wed 10/21

6:00 am-3:41 pm

1 stop7h 41m

Duluth Intl

Tue 10/27

12:35 pm-4:58 pm

1 stop6h 23m

$397

SeattleDuluth

SEA Seattle/Tacoma Intl - DLH Duluth Intl

SEADLH

Seattle/Tacoma Intl

Wed 10/21

6:00 am-3:41 pm

1 stop7h 41m

Duluth Intl

Wed 10/28

7:00 am-12:30 pm

1 stop7h 30m

$397

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Duluth from

How to get the cheapest flight ticket from Seattle 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 Seattle 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 Seattle during February instead. Flights to Duluth in February, while not as cheap as those in December, still average around $340.

When to book flights from Seattle to Duluth

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

Cheap Seattle to Duluth (SEA to DLH) flight deals and tips

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

Best Price Found

$333

Fastest flight time

7h 23m

Direct flights

None
The best one-way flight to Duluth from Seattle in the past 72 hours is $333. The best round-trip flight deal from Seattle to Duluth found on momondo in the last 72 hours is $348.
The fastest flight from Seattle to Duluth takes 7h 23m
There are no direct flights from Seattle to Duluth. There are no popular flight routes from Seattle to Duluth.
Search flight deals

Frequently asked questions about flying from Seattle to Duluth

  • How far is Seattle/Tacoma Intl to Duluth Intl by plane?

    A flight from Seattle/Tacoma Intl to Duluth Intl will travel around 1410.5 mi. 7h 23m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Duluth Intl Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Duluth Intl Airport refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Duluth Intl Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport 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 Seattle/Tacoma Intl Airport 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.

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

Best airlines flying from Seattle to Duluth

Compare and see reviews for airlines that fly from Seattle to Duluth with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $258Free CancellationRating
7.8
8,550 reviews
Search Delta flights
United AirlinesPriceFrom $342Free CancellationRating
7.4
10,185 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 Seattle to Duluth?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Duluth. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Seattle to Duluth flights to just show those with flexible booking policies.

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

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

Of course. momondo tracks the price of Seattle 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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