HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Duluth

$218+ Cheap flights from Washington to Duluth (DLH)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DLH
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington to Duluth with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Washington to Duluth

Cheapest flights from Washington to Duluth
Explore the most affordable flight options available from Washington to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:59 pm
PDX
-
DLH
1 stop8h 44m
United Airlines
Wed 3/113:07 pm
DLH
-
PDX
1 stop9h 38m
United Airlines
Deal found 2/11$278
This United Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:50 pm
SEA
-
DLH
1 stop8h 54m
United Airlines
Fri 10/96:10 pm
DLH
-
SEA
1 stop7h 49m
United Airlines
Deal found 2/7$323
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2411:59 pm
SEA
-
DLH
1 stop8h 44m
United Airlines
Sat 2/283:19 pm
DLH
-
SEA
1 stop9h 24m
United Airlines
Deal found 2/9$328
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:55 pm
PDX
-
DLH
1 stop4h 43m
Delta
Sat 10/108:05 am
DLH
-
PDX
1 stop6h 59m
Delta
Deal found 2/8$332
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2610:00 am
PDX
-
DLH
2 stops11h 38m
Delta
Sat 10/1012:00 pm
DLH
-
PDX
1 stop6h 04m
Delta
Deal found 2/8$338
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:55 pm
PDX
-
DLH
2 stops10h 02m
Delta
Tue 10/135:10 am
DLH
-
PDX
1 stop7h 51m
Delta
Deal found 2/8$366
This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2111:59 pm
SEA
-
DLH
1 stop8h 44m
United Airlines
Fri 3/203:07 pm
DLH
-
SEA
1 stop9h 38m
United Airlines
Deal found 2/8$377
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/274:55 pm
PDX
-
DLH
1 stop4h 43m
Delta
Sat 10/105:10 am
DLH
-
PDX
2 stops19h 16m
Delta
Deal found 2/8$393
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/276:10 am
SEA
-
DLH
1 stop7h 21m
Delta
Tue 3/38:00 am
DLH
-
SEA
1 stop6h 23m
Delta
Deal found 2/11$394
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2811:59 pm
SEA
-
DLH
1 stop8h 44m
United Airlines
Wed 3/43:19 pm
DLH
-
SEA
1 stop9h 24m
United Airlines
Deal found 2/10$418
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2511:40 pm
PDX
-
DLH
1 stop8h 55m
United Airlines
Thu 8/66:10 pm
DLH
-
PDX
1 stop7h 42m
United Airlines
Deal found 2/9$418
This Delta deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/234:55 pm
PDX
-
DLH
1 stop4h 43m
Delta
Mon 7/275:10 am
DLH
-
PDX
2 stops7h 26m
Delta
Deal found 2/7$420

Find flight deals from Washington to Duluth

Keep the following information in mind while searching for Washington to Duluth flight deals. Data was last updated February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$278
(United Airlines)

One-way from

$218
(United Airlines)

Popular in

May

Cheapest in

March

Average price

$398
Provider with most accurate pricing for Seattle/Tacoma Intl-Duluth Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Duluth Intl flights.
Search Deals
From Washington to Duluth Intl
Search Deals
One-way flight from Washington to Duluth Intl
Search Deals
Highest demand for flights based on searches. 30% potential increase in price ($206 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from 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, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
Use the filters below to find and compare flights from Washington to Duluth that are best for you.

Fly from

Washington

Fly to

Duluth

Route

Depart

Return

Price

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Wed 3/4

11:59 pm-10:43 am

1 stop8h 44m

Duluth Intl

Wed 3/11

3:07 pm-10:45 pm

1 stop9h 38m

$278

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Sat 4/25

7:00 am-6:09 pm

1 stop9h 09m

Duluth Intl

Thu 4/30

6:24 pm-11:50 pm

1 stop7h 26m

$278

SeattleDuluth

SEA - DLH

SEADLH

Seattle/Tacoma Intl

Tue 2/24

11:59 pm-10:43 am

1 stop8h 44m

Duluth Intl

Sat 2/28

3:19 pm-10:43 pm

1 stop9h 24m

$328

SeattleDuluth

SEA - DLH

SEADLH

Seattle/Tacoma Intl

Fri 2/27

6:10 am-3:31 pm

1 stop7h 21m

Duluth Intl

Tue 3/3

8:00 am-12:23 pm

1 stop6h 23m

$394

SeattleDuluth

SEA - DLH

SEADLH

Seattle/Tacoma Intl

Sat 2/28

11:59 pm-10:43 am

1 stop8h 44m

Duluth Intl

Wed 3/4

3:19 pm-10:43 pm

1 stop9h 24m

$418

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Thu 7/23

4:55 pm-11:38 pm

1 stop4h 43m

Duluth Intl

Mon 7/27

5:10 am-10:36 am

2 stops7h 26m

$420

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Sat 2/21

11:59 pm-10:43 am

1 stop8h 44m

Duluth Intl

Wed 2/25

7:50 am-3:27 pm

1 stop9h 37m

$443

SeattleDuluth

SEA - DLH

SEADLH

Seattle/Tacoma Intl

Fri 5/8

6:58 pm-10:29 am

2 stops13h 31m

Duluth Intl

Tue 5/12

7:45 am-10:42 pm

1 stop16h 57m

$461

PascoDuluth

PSC - DLH

PSCDLH

Pasco Tri Cities

Sat 2/28

12:44 pm-9:59 pm

2 stops31h 15m

Duluth Intl

Wed 3/4

7:50 am-9:17 pm

2 stops15h 27m

$759

SeattleDuluth

SEA - DLH

SEADLH

Seattle/Tacoma Intl

Wed 4/1

7:00 am-6:09 pm

1 stop9h 09m

$218

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 15 results
1
2

Best time to book a flight from Washington to Duluth

Have a flexible travel schedule? Discover the best time to fly to Duluth from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Duluth

What is the cheapest month to book a flight from State of Washington to Duluth?

Currently, September is the cheapest month in which you can book a flight from State of Washington to Duluth (average of $208). Flying from State of Washington to Duluth in August is currently the most expensive (average of $429). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Washington to Duluth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Duluth from Washington?

    Located just 5.8 mi from the city center, Duluth Intl (DLH) is the airport most travelers will use when flying to Duluth from Washington.

  • How long is the flight from State of Washington to Duluth?

    Departing from State of Washington to Duluth will take you 8h 44m. There are 1446 mi between State of Washington and Duluth.

  • What are the most popular routes from State of Washington to Duluth?

    Most travelers choose Seattle/Tacoma Intl - Duluth Intl, Portland - Duluth Intl or Spokane - Duluth Intl when deciding on the best route from State of Washington to Duluth.

  • Can I find deals for flights from Washington to Duluth that include hotel bookings?

    Yes. In addition to deals on Washington to Duluth flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Duluth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Duluth.

  • Can I find deals for business class flights from Washington to Duluth?

    Yes. Cheapflights offers flight deals from Washington to Duluth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Duluth?

    Currently, September is the cheapest month in which you can book a flight from State of Washington to Duluth (average of $208). Flying from State of Washington to Duluth in August is currently the most expensive (average of $429). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Duluth?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to Duluth

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Minneapolis flights
Denver to Minneapolis flights
Sky Harbor Intl to Minneapolis flights
San Francisco to Minneapolis flights
Boston to Minneapolis flights
John F Kennedy Intl to Minneapolis flights
Newark to Minneapolis flights
Los Angeles to Minneapolis flights
Orlando to Minneapolis flights
Atlanta to Minneapolis flights
Seattle to Minneapolis flights
LaGuardia to Minneapolis flights
Baltimore to Minneapolis flights
Dulles Intl to Minneapolis flights
Portland to Minneapolis flights
O'Hare Intl to Minneapolis flights
Reagan-National to Minneapolis flights
Detroit to Minneapolis flights
Philadelphia to Minneapolis flights
Salt Lake City to Minneapolis flights
Tampa to Minneapolis flights
Denver to Fargo flights
Cleveland to Minneapolis flights
Denver to Sioux Falls flights
Charlotte to Minneapolis flights
Miami to Minneapolis flights
Fort Myers to Minneapolis flights
Las Vegas to Minneapolis flights
Midway to Minneapolis flights
San Diego to Minneapolis flights
Sacramento to Minneapolis flights
Austin to Minneapolis flights
Hobby to Minneapolis flights
Nashville to Minneapolis flights
Raleigh to Minneapolis flights
Ontario to Minneapolis flights
Columbus to Minneapolis flights
Fort Lauderdale to Minneapolis flights
Cincinnati to Minneapolis flights
Indianapolis to Minneapolis flights
St. Louis to Minneapolis flights
George Bush Intcntl to Minneapolis flights
Pittsburgh to Minneapolis flights
Hartford to Minneapolis flights
Kansas City to Minneapolis flights
Santa Ana to Minneapolis flights
West Palm Beach to Minneapolis flights
Sarasota to Minneapolis flights
Honolulu to Minneapolis flights
Boise to Minneapolis flights

Top 2 airlines flying from Washington to Duluth

Discover the top 2 airlines that operate flights from Washington to Duluth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$233Average$398FlexibilityNo cancel feeOn-time69%
DeltaCheapest$258Average$572FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights