What airlines fly to State of Washington?

Delta, United Airlines and Sun Country Air are the top three most popular airlines that fly to State of Washington from Duluth according to our data. Delta is the first choice among our users, with 72% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 3 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Duluth Intl Airport to Washington are refreshed on a daily basis.

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

There are 3 operators available for flights from Duluth Intl Airport to Washington as of January 2026.

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

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 Duluth Intl Airport to Washington.

What documentation or ID do you need to fly to Washington?

The required travel and health documents for your Washington 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 Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$278 Cheap Flights from Duluth to Washington in 2026

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Find the cheapest flights from Duluth to Washington

Round-trip

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 am - 2:45 pm

DLH

SEA

8h 45m1 stop

6:05 am - 3:44 pm

SEA

DLH

7h 39m1 stop

$278Delta

Sat, Feb 7 - Sun, Feb 8

3:19 pm - 10:56 pm

DLH

PDX

9h 37m1 stop

11:59 pm - 10:43 am

PDX

DLH

8h 44m1 stop

$312United Airlines

Sat, Feb 21 - Sat, Feb 28

4:24 pm - 8:46 pm

DLH

SEA

6h 22m1 stop

3:35 pm - 11:52 pm

SEA

DLH

6h 17m1 stop

$333Delta

Tue, Jan 20 - Tue, Jan 27

3:05 pm - 10:32 pm

DLH

PDX

9h 27m1 stop

11:59 pm - 10:43 am

PDX

DLH

8h 44m1 stop

$338United Airlines

Mon, Jan 12 - Sat, Feb 28

3:05 pm - 12:39 am

DLH

PDX

11h 34m2 stops

11:59 pm - 10:43 am

PDX

DLH

8h 44m1 stop

$344United Airlines

Mon, Jan 12 - Sat, Feb 28

4:24 pm - 11:59 pm

DLH

GEG

9h 35m2 stops

11:25 am - 11:52 pm

GEG

DLH

10h 27m2 stops

$357Delta

Thu, Feb 5 - Tue, Feb 10

3:05 pm - 12:39 am

DLH

PDX

11h 34m2 stops

11:05 pm - 2:30 pm

PDX

DLH

13h 25m2 stops

$369United Airlines

Sat, Jan 24 - Tue, Jan 27

8:09 am - 6:50 pm

DLH

PDX

12h 41m2 stops

1:30 pm - 11:52 pm

PDX

DLH

8h 22m2 stops

$382Delta

Thu, Jan 29 - Thu, Feb 5

3:19 pm - 10:56 pm

DLH

PDX

9h 37m1 stop

7:57 pm - 10:43 am

PDX

DLH

12h 46m2 stops

$396United Airlines

Sat, Feb 21 - Sat, Feb 28

4:24 pm - 11:59 pm

DLH

GEG

9h 35m2 stops

2:00 pm - 11:52 pm

GEG

DLH

7h 52m1 stop

$397Delta

Thu, Feb 5 - Tue, Feb 10

Delta flights from Duluth to State of Washington

Our best Delta deals on Duluth to State of Washington flight tickets

Delta

Feb 7

DLH8:00 amDuluth Intl

8h 45m

1 stop

SEA2:45 pmSeattle/Tacoma Intl

Feb 8

SEA6:05 amSeattle/Tacoma Intl

7h 39m

1 stop

DLH3:44 pmDuluth Intl

$278

Find similar

Delta

Jan 20

DLH4:24 pmDuluth Intl

6h 22m

1 stop

SEA8:46 pmSeattle/Tacoma Intl

Jan 27

SEA3:35 pmSeattle/Tacoma Intl

6h 17m

1 stop

DLH11:52 pmDuluth Intl

$333

Find similar

Delta

Feb 5

DLH4:24 pmDuluth Intl

9h 35m

2 stops

GEG11:59 pmSpokane

Feb 10

GEG1:20 pmSpokane

8h 32m

2 stops

DLH11:52 pmDuluth Intl

$357

Find similar

United Airlines flights from Duluth to State of Washington

Our best United Airlines deals on Duluth to State of Washington flight tickets

United Airlines

Feb 21

DLH3:19 pmDuluth Intl

9h 37m

1 stop

PDX10:56 pmPortland

Feb 28

PDX11:59 pmPortland

8h 44m

1 stop

DLH10:43 amDuluth Intl

$312

Find similar

United Airlines

Jan 12

DLH3:05 pmDuluth Intl

9h 27m

1 stop

PDX10:32 pmPortland

Feb 28

PDX11:59 pmPortland

8h 44m

1 stop

DLH10:43 amDuluth Intl

$338

Find similar

United Airlines

Jan 12

DLH3:05 pmDuluth Intl

11h 34m

2 stops

PDX12:39 amPortland

Feb 28

PDX11:59 pmPortland

8h 44m

1 stop

DLH10:43 amDuluth Intl

$344

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DuluthSeattle

DLH - SEA

DLHSEA

Duluth Intl

Sat 2/7

8:00 am-2:45 pm

1 stop8h 45m

Seattle/Tacoma Intl

Sun 2/8

6:05 am-3:44 pm

1 stop7h 39m

$278

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Sat 2/21

3:19 pm-10:56 pm

1 stop9h 37m

Portland

Sat 2/28

11:59 pm-10:43 am

1 stop8h 44m

$312

DuluthSeattle

DLH - SEA

DLHSEA

Duluth Intl

Tue 1/20

4:24 pm-8:46 pm

1 stop6h 22m

Seattle/Tacoma Intl

Tue 1/27

3:35 pm-11:52 pm

1 stop6h 17m

$333

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Mon 1/12

3:05 pm-10:32 pm

1 stop9h 27m

Portland

Sat 2/28

11:59 pm-10:43 am

1 stop8h 44m

$338

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Mon 1/12

3:05 pm-12:39 am

2 stops11h 34m

Portland

Sat 2/28

11:59 pm-10:43 am

1 stop8h 44m

$344

DuluthSpokane

DLH - GEG

DLHGEG

Duluth Intl

Thu 2/5

4:24 pm-11:59 pm

2 stops9h 35m

Spokane

Tue 2/10

11:25 am-11:52 pm

2 stops10h 27m

$357

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Sat 1/24

3:05 pm-12:39 am

2 stops11h 34m

Portland

Tue 1/27

11:05 pm-2:30 pm

2 stops13h 25m

$369

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Thu 1/29

8:09 am-6:50 pm

2 stops12h 41m

Portland

Thu 2/5

1:30 pm-11:52 pm

2 stops8h 22m

$382

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Sat 2/21

3:19 pm-10:56 pm

1 stop9h 37m

Portland

Sat 2/28

7:57 pm-10:43 am

2 stops12h 46m

$396

DuluthSpokane

DLH - GEG

DLHGEG

Duluth Intl

Thu 2/5

4:24 pm-11:59 pm

2 stops9h 35m

Spokane

Tue 2/10

2:00 pm-11:52 pm

1 stop7h 52m

$397

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Duluth to State of Washington

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 State of Washington?

The month of September is, on average, the cheapest month to fly to State of Washington from Duluth, with most prices found around $258. If you aren’t able to travel to State of Washington during the month of September, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $273.

Cheap Duluth to State of Washington flight deals and tips

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

Fastest flight time	5h 39m
Direct flights	None

The fastest flight from Duluth to State of Washington takes 5h 39m

There are no direct flights from Duluth to State of Washington. There are no popular flight routes from Duluth to State of Washington.

Search flight deals

When did momondo last update prices for flights from Duluth Intl Airport to Washington?
Prices for flights from Duluth Intl Airport to Washington are refreshed on a daily basis.
How many operators does momondo search for flights from Duluth Intl Airport to Washington?
There are 3 operators available for flights from Duluth Intl Airport to Washington as of January 2026.
How old do you have to be to fly from Duluth Intl Airport to Washington?
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 Duluth Intl Airport to Washington.
What documentation or ID do you need to fly to Washington?
The required travel and health documents for your Washington 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 Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Duluth to State of Washington

Compare and see reviews for airlines that fly from Duluth to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
Sun Country Air	PriceFrom $93	Free Cancellation	Rating 6.9 338 reviews	Search Sun Country Air flights
United Airlines	PriceFrom $258	Free Cancellation	Rating 7.4 9,134 reviews	Search United Airlines flights
Delta	PriceFrom $258	Free Cancellation	Rating 7.9 8,021 reviews	Search Delta flights

Why use momondo?

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

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 Duluth to Washington for you.

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

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

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

momondo provides multiple filters to help you find the best flight to Washington from Duluth. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Washington from Duluth are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.