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

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

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 2 operators available for flights from Duluth Intl Airport to Washington as of February 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.

$233 Cheap Flights from Duluth to Washington in 2026

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Find the cheapest flights from Duluth to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:08 pm - 10:37 pm

DLH

SEA

9h 29m

1 stop

11:59 pm - 10:39 am

SEA

DLH

8h 40m

1 stop

$258United Airlines

Wed, Apr 15 - Sun, Apr 19

6:47 pm - 11:58 pm

DLH

PDX

7h 11m

1 stop

7:14 pm - 10:39 am

PDX

DLH

13h 25m

2 stops

$264United Airlines

Thu, Apr 16 - Tue, Apr 21

3:08 pm - 10:37 pm

DLH

SEA

9h 29m

1 stop

11:59 pm - 10:39 am

SEA

DLH

8h 40m

1 stop

$268United Airlines

Thu, Apr 16 - Sun, Apr 19

3:08 pm - 10:29 pm

DLH

PDX

9h 21m

1 stop

11:59 pm - 10:39 am

PDX

DLH

8h 40m

1 stop

$268United Airlines

Thu, Apr 23 - Sun, Apr 26

6:29 pm - 11:59 pm

DLH

SEA

7h 30m

1 stop

7:36 pm - 10:34 am

SEA

DLH

12h 58m

2 stops

$279United Airlines

Thu, Apr 30 - Mon, May 4

3:08 pm - 12:44 am

DLH

PDX

11h 36m

2 stops

10:56 pm - 10:39 am

PDX

DLH

9h 43m

1 stop

$295United Airlines

Thu, Apr 23 - Sun, Apr 26

3:07 pm - 10:45 pm

DLH

SEA

9h 38m

1 stop

11:59 pm - 10:39 am

SEA

DLH

8h 40m

1 stop

$309United Airlines

Fri, Mar 20 - Tue, Mar 31

6:47 pm - 12:19 am

DLH

SEA

7h 32m

1 stop

8:55 am - 12:29 am

SEA

DLH

13h 34m

2 stops

$317United Airlines

Thu, Apr 16 - Sun, Apr 19

12:47 pm - 10:42 pm

DLH

PDX

11h 55m

2 stops

11:15 pm - 12:07 pm

PDX

DLH

10h 52m

2 stops

$339Delta

Thu, Apr 16 - Fri, Apr 24

4:20 pm - 11:41 pm

DLH

PDX

9h 21m

2 stops

4:55 pm - 11:38 pm

PDX

DLH

4h 43m

1 stop

$340Delta

Fri, Jul 10 - Fri, Jul 17

Delta flights from Duluth to State of Washington

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

Delta

Apr 16

DLH12:47 pmDuluth Intl

11h 55m

2 stops

PDX10:42 pmPortland

Apr 24

PDX11:15 pmPortland

10h 52m

2 stops

DLH12:07 pmDuluth Intl

$339

Delta

Jul 10

DLH4:20 pmDuluth Intl

9h 21m

2 stops

PDX11:41 pmPortland

Jul 17

PDX4:55 pmPortland

4h 43m

1 stop

DLH11:38 pmDuluth Intl

$340

Delta

Jul 10

DLH4:20 pmDuluth Intl

9h 21m

2 stops

PDX11:41 pmPortland

Jul 17

PDX4:55 pmPortland

4h 43m

1 stop

DLH11:38 pmDuluth Intl

$370

United Airlines flights from Duluth to State of Washington

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

United Airlines

Apr 15

DLH3:08 pmDuluth Intl

9h 29m

1 stop

SEA10:37 pmSeattle/Tacoma Intl

Apr 19

SEA11:59 pmSeattle/Tacoma Intl

8h 40m

1 stop

DLH10:39 amDuluth Intl

$258

United Airlines

Apr 16

DLH6:47 pmDuluth Intl

7h 11m

1 stop

PDX11:58 pmPortland

Apr 21

PDX7:14 pmPortland

13h 25m

2 stops

DLH10:39 amDuluth Intl

$264

United Airlines

Apr 16

DLH3:08 pmDuluth Intl

9h 29m

1 stop

SEA10:37 pmSeattle/Tacoma Intl

Apr 19

SEA11:59 pmSeattle/Tacoma Intl

8h 40m

1 stop

DLH10:39 amDuluth Intl

$268

Fly from

Fly to

Route

Depart

Return

Price

DuluthSeattle

DLH - SEA

DLHSEA

Duluth Intl

Wed 4/15

3:08 pm-10:37 pm

1 stop9h 29m

Seattle/Tacoma Intl

Sun 4/19

11:59 pm-10:39 am

1 stop8h 40m

$258

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Thu 4/16

6:47 pm-11:58 pm

1 stop7h 11m

Portland

Tue 4/21

7:14 pm-10:39 am

2 stops13h 25m

$264

DuluthSeattle

DLH - SEA

DLHSEA

Duluth Intl

Thu 4/16

3:08 pm-10:37 pm

1 stop9h 29m

Seattle/Tacoma Intl

Sun 4/19

11:59 pm-10:39 am

1 stop8h 40m

$268

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Thu 4/23

3:08 pm-10:29 pm

1 stop9h 21m

Portland

Sun 4/26

11:59 pm-10:39 am

1 stop8h 40m

$268

DuluthSeattle

DLH - SEA

DLHSEA

Duluth Intl

Thu 4/30

6:29 pm-11:59 pm

1 stop7h 30m

Seattle/Tacoma Intl

Mon 5/4

7:36 pm-10:34 am

2 stops12h 58m

$279

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Thu 4/23

3:08 pm-12:44 am

2 stops11h 36m

Portland

Sun 4/26

10:56 pm-10:39 am

1 stop9h 43m

$295

DuluthSeattle

DLH - SEA

DLHSEA

Duluth Intl

Fri 3/20

3:07 pm-10:45 pm

1 stop9h 38m

Seattle/Tacoma Intl

Tue 3/31

11:59 pm-10:39 am

1 stop8h 40m

$309

DuluthSeattle

DLH - SEA

DLHSEA

Duluth Intl

Thu 4/16

6:47 pm-12:19 am

1 stop7h 32m

Seattle/Tacoma Intl

Sun 4/19

8:55 am-12:29 am

2 stops13h 34m

$317

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Thu 4/16

12:47 pm-10:42 pm

2 stops11h 55m

Portland

Fri 4/24

11:15 pm-12:07 pm

2 stops10h 52m

$339

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Fri 7/10

4:20 pm-11:41 pm

2 stops9h 21m

Portland

Fri 7/17

4:55 pm-11:38 pm

1 stop4h 43m

$340

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted 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 40m
Direct flights	None

The fastest flight from Duluth to State of Washington takes 5h 40m

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 2 operators available for flights from Duluth Intl Airport to Washington as of February 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
United Airlines	PriceFrom $258	Free Cancellation	Rating 7.4 9,349 reviews		Search United Airlines flights
Delta	PriceFrom $258	Free Cancellation	Rating 7.9 8,242 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.