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$223+ Cheap flights from Duluth (DLH) to Washington

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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — SEA
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Duluth to Washington

Keep the following information in mind while searching for Duluth to Washington flight deals. Data was last updated September 15, 2025.

Round-trip from

$304
(Delta)

One-way from

$223
(United Airlines)

Popular in

August

Cheapest in

September

Average price

$258
From Duluth Intl to Washington
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One-way flight from Duluth Intl to Washington
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Highest demand for flights based on searches. 2% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Duluth to Washington

Cheapest flights from Duluth to Washington
Explore the most affordable flight options available from Duluth to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Delta deal was found by Cheapflights users on 9/15. 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.
Tue 10/287:50 amDLH - SEA
1 stop7h 08mDelta
Sun 11/25:00 amSEA - DLH
1 stop7h 30mDelta
Deal found 9/15$323
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/283:06 pmDLH - SEA
1 stop9h 39mUnited Airlines
Sun 11/211:59 pmSEA - DLH
1 stop8h 38mUnited Airlines
Deal found 9/15$324
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/1711:20 amDLH - SEA
1 stop9h 29mUnited Airlines
Mon 10/2011:40 pmSEA - DLH
1 stop9h 05mUnited Airlines
Deal found 9/14$338
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/313:06 pmDLH - PDX
1 stop9h 27mUnited Airlines
Sun 11/211:59 pmPDX - DLH
1 stop8h 38mUnited Airlines
Deal found 9/14$338
This Delta deal was found by Cheapflights users on 9/13. 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.
Wed 10/15:10 amDLH - PDX
2 stops12h 52mDelta
Fri 10/312:45 amPDX - DLH
1 stop7h 17mDelta
Deal found 9/13$340
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/111:20 amDLH - PDX
1 stop9h 11mUnited Airlines
Sat 10/411:59 pmPDX - DLH
1 stop8h 46mUnited Airlines
Deal found 9/13$363
This Delta deal was found by Cheapflights users on 9/13. 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 10/3110:50 amDLH - PDX
1 stop8h 37mDelta
Sun 11/21:55 pmPDX - DLH
1 stop7h 47mDelta
Deal found 9/13$378
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/73:06 pmDLH - SEA
1 stop9h 39mUnited Airlines
Mon 11/1011:59 pmSEA - DLH
1 stop8h 38mUnited Airlines
Deal found 9/15$423
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/18:00 amDLH - SEA
1 stop9h 45mUnited Airlines
Sun 10/57:00 amSEA - DLH
1 stop9h 37mUnited Airlines
Deal found 9/15$470
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/108:00 amDLH - SEA
1 stop12h 49mUnited Airlines
Wed 10/1511:40 pmSEA - DLH
1 stop9h 05mUnited Airlines
Deal found 9/15$491
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Mon 9/298:00 amDLH - GEG
2 stops30h 36mUnited Airlines
Fri 10/311:20 amGEG - DLH
1 stop21h 23mUnited Airlines
Deal found 9/14$616
This Delta deal was found by Cheapflights users on 9/14. 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.
Mon 9/297:50 amDLH - GEG
1 stop7h 27mDelta
Fri 10/32:23 pmGEG - DLH
1 stop6h 20mDelta
Deal found 9/14$726

Cheapflights Fare Finder

 
Customize your flight search to find flights from Duluth to Washington 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 September 15, 2025.
Use the filters below to find and compare flights from Duluth to Washington that are best for you.

Fly from

Duluth

Fly to

Washington

Route

Depart

Return

Price

DuluthSeattle

DLH - SEA

DLHSEA

Duluth Intl

Tue 10/28

7:50 am-12:58 pm

1 stop7h 08m

Seattle/Tacoma Intl

Sun 11/2

5:00 am-2:30 pm

1 stop7h 30m

$323

DuluthSeattle

DLH - SEA

DLHSEA

Duluth Intl

Tue 10/28

3:06 pm-10:45 pm

1 stop9h 39m

Seattle/Tacoma Intl

Sun 11/2

11:59 pm-10:37 am

1 stop8h 38m

$324

DuluthSeattle

DLH - SEA

DLHSEA

Duluth Intl

Fri 10/17

11:20 am-6:49 pm

1 stop9h 29m

Seattle/Tacoma Intl

Mon 10/20

11:40 pm-10:45 am

1 stop9h 05m

$338

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Fri 10/31

3:06 pm-10:33 pm

1 stop9h 27m

Portland

Sun 11/2

11:59 pm-10:37 am

1 stop8h 38m

$338

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Wed 10/1

5:10 am-4:02 pm

2 stops12h 52m

Portland

Fri 10/3

12:45 am-10:02 am

1 stop7h 17m

$340

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Wed 10/1

11:20 am-6:31 pm

1 stop9h 11m

Portland

Sat 10/4

11:59 pm-10:45 am

1 stop8h 46m

$363

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Fri 10/31

10:50 am-5:27 pm

1 stop8h 37m

Portland

Sun 11/2

1:55 pm-11:42 pm

1 stop7h 47m

$378

DuluthSpokane

DLH - GEG

DLHGEG

Duluth Intl

Thu 2/5

8:05 am-1:14 pm

1 stop7h 09m

Spokane

Wed 2/11

6:30 am-3:24 pm

1 stop6h 54m

$406

DuluthSpokane

DLH - GEG

DLHGEG

Duluth Intl

Fri 2/6

8:05 am-1:14 pm

1 stop7h 09m

Spokane

Wed 2/11

2:05 pm-11:52 pm

1 stop7h 47m

$406

DuluthSpokane

DLH - GEG

DLHGEG

Duluth Intl

Thu 2/5

8:05 am-1:14 pm

1 stop7h 09m

Spokane

Tue 2/10

6:30 am-3:24 pm

1 stop6h 54m

$406

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 18 results
1
2

Best time to book a flight from Duluth to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Duluth 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 Duluth to Washington

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

Currently, January is the cheapest month in which you can book a flight from Duluth to State of Washington (average of $238). Flying from Duluth to State of Washington in June is currently the most expensive (average of $387). 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.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated September 15, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and Sun Country Air from Duluth to Washington to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.
United Airlines
7.4
Good
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.
Sun Country Air
6.9
Okay
330 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.

Related info for your journey

Find useful and relevant information for your journey from Duluth to Washington. 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 from for flights from Duluth to Washington?

    Most people fly from Duluth Intl (DLH) if they book a flight from Duluth to Washington. Duluth Intl is conveniently located just 5.8 mi from Duluth’s city center.

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

    Delta and United Airlines can get you from Duluth to State of Washington in just under 7h 08m. Your travel time can differ by up to 2h 31m. The distance from Duluth to State of Washington is about 1406 mi. This flight may include one or multiple stops.

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

    When deciding which route to take from Duluth to State of Washington consider Duluth Intl - Seattle/Tacoma Intl, Duluth Intl - Portland or Duluth Intl - Spokane as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Duluth to Washington 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 Duluth to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Duluth to State of Washington (average of $238). Flying from Duluth to State of Washington in June is currently the most expensive (average of $387). 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

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Alternative routes for Duluth to Washington

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Top 3 airlines flying from Duluth to Washington

Discover the top 3 airlines that operate flights from Duluth to Washington. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$93Average$221FlexibilityNo cancel feeOn-time83%
United AirlinesCheapest$258Average$411FlexibilityNo cancel feeOn-time69%
DeltaCheapest$258Average$504FlexibilityNo cancel feeOn-timeN/A

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