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Duluth

$269+ Cheap flights from Washington to Duluth (DLH)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DLH
oct. 24 — oct. 311
vie. 10/24
vie. 10/31
1 adult, Economy
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Cheap flight deals from Washington to Duluth

Keep the following information in mind while searching for Washington to Duluth flight deals. Data was last updated septiembre 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(United Airlines)

Popular in

May

Cheapest in

November

Average price

$338
Provider with most accurate pricing for Seattle/Tacoma Intl-Duluth Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Duluth Intl flights.
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From Washington to Duluth Intl
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Highest demand for flights based on searches. 31% potential increase in price ($220 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($25 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 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 septiembre 24, 2025.

This United Airlines deal was found by Cheapflights users on 9/23. 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.
mié. 10/297:38 pmPDX - DLH
2 stops12h 59mUnited Airlines
mar. 11/411:14 amDLH - PDX
2 stops12h 12mUnited Airlines
Deal found 9/23$269
This Delta deal was found by Cheapflights users on 9/23. 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.
mar. 11/49:25 amSEA - DLH
1 stop7h 52mDelta
vie. 11/144:18 pmDLH - SEA
1 stop6h 18mDelta
Deal found 9/23$282
This United Airlines deal was found by Cheapflights users on 9/23. 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.
mar. 11/47:28 pmSEA - DLH
2 stops13h 09mUnited Airlines
vie. 11/143:06 pmDLH - SEA
1 stop9h 39mUnited Airlines
Deal found 9/23$296
This Delta deal was found by Cheapflights users on 9/22. 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.
mar. 10/216:20 amPDX - DLH
1 stop7h 10mDelta
mar. 11/412:02 pmDLH - PDX
1 stop7h 25mDelta
Deal found 9/22$302
This Delta deal was found by Cheapflights users on 9/22. 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.
mié. 12/35:30 amPDX - DLH
2 stops12h 05mDelta
mar. 12/98:05 amDLH - PDX
2 stops12h 53mDelta
Deal found 9/22$313
This Delta deal was found by Cheapflights users on 9/23. 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.
mié. 10/291:55 pmPDX - DLH
1 stop7h 47mDelta
mar. 11/45:18 amDLH - PDX
1 stop7h 43mDelta
Deal found 9/23$320
This Delta deal was found by Cheapflights users on 9/23. 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.
mar. 11/41:55 pmPDX - DLH
1 stop7h 47mDelta
mié. 11/124:18 pmDLH - PDX
2 stops9h 56mDelta
Deal found 9/23$326
This Delta deal was found by Cheapflights users on 9/22. 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.
mié. 10/226:20 amPDX - DLH
1 stop7h 10mDelta
mié. 10/295:18 amDLH - PDX
1 stop7h 43mDelta
Deal found 9/22$334
This Delta deal was found by Cheapflights users on 9/21. 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.
jue. 11/1310:35 amPDX - DLH
2 stops11h 15mDelta
lun. 11/1712:01 pmDLH - PDX
2 stops8h 26mDelta
Deal found 9/21$336
This United Airlines deal was found by Cheapflights users on 9/22. 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.
mar. 10/710:50 amSEA - DLH
1 stop9h 18mUnited Airlines
sáb. 10/118:00 amDLH - SEA
1 stop9h 45mUnited Airlines
Deal found 9/22$338
This United Airlines deal was found by Cheapflights users on 9/22. 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.
jue. 11/1311:59 pmPDX - DLH
1 stop8h 38mUnited Airlines
lun. 11/173:06 pmDLH - PDX
1 stop9h 27mUnited Airlines
Deal found 9/22$338
This United Airlines deal was found by Cheapflights users on 9/22. 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.
mié. 11/512:35 pmSEA - DLH
1 stop7h 24mUnited Airlines
sáb. 11/811:14 amDLH - SEA
2 stops11h 59mUnited Airlines
Deal found 9/22$347

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 septiembre 24, 2025.
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

SeattleDuluth

SEA - DLH

SEADLH

Seattle/Tacoma Intl

mié. 11/5

1:35 pm-11:42 pm

1 stop8h 07m

Duluth Intl

sáb. 11/8

6:30 am-10:45 am

1 stop6h 15m

$282

SeattleDuluth

SEA - DLH

SEADLH

Seattle/Tacoma Intl

mar. 11/4

9:25 am-7:17 pm

1 stop7h 52m

Duluth Intl

vie. 11/14

4:18 pm-8:36 pm

1 stop6h 18m

$282

SeattleDuluth

SEA - DLH

SEADLH

Seattle/Tacoma Intl

mar. 11/4

7:28 pm-10:37 am

2 stops13h 09m

Duluth Intl

vie. 11/14

3:06 pm-10:45 pm

1 stop9h 39m

$296

PortlandDuluth

PDX - DLH

PDXDLH

Portland

mar. 10/21

6:20 am-3:30 pm

1 stop7h 10m

Duluth Intl

mar. 11/4

12:02 pm-5:27 pm

1 stop7h 25m

$302

PortlandDuluth

PDX - DLH

PDXDLH

Portland

sáb. 11/8

1:55 pm-10:53 pm

1 stop6h 58m

Duluth Intl

dom. 11/23

12:01 pm-5:43 pm

1 stop7h 42m

$302

PortlandDuluth

PDX - DLH

PDXDLH

Portland

mié. 12/3

5:30 am-7:35 pm

2 stops12h 05m

Duluth Intl

mar. 12/9

12:01 pm-5:44 pm

1 stop7h 43m

$308

PortlandDuluth

PDX - DLH

PDXDLH

Portland

mar. 11/4

1:55 pm-11:42 pm

1 stop7h 47m

Duluth Intl

mié. 11/12

4:18 pm-12:14 am

2 stops9h 56m

$326

PortlandDuluth

PDX - DLH

PDXDLH

Portland

jue. 11/13

10:35 am-11:50 pm

2 stops11h 15m

Duluth Intl

lun. 11/17

12:01 pm-6:27 pm

2 stops8h 26m

$336

SeattleDuluth

SEA - DLH

SEADLH

Seattle/Tacoma Intl

mar. 10/7

10:50 am-10:08 pm

1 stop9h 18m

Duluth Intl

sáb. 10/11

8:00 am-3:45 pm

1 stop9h 45m

$338

SeattleDuluth

SEA - DLH

SEADLH

Seattle/Tacoma Intl

mar. 10/14

11:40 pm-10:45 am

1 stop9h 05m

Duluth Intl

sáb. 10/18

11:20 am-6:49 pm

1 stop9h 29m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/22

Showing 1-10 of 23 results
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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, January is the cheapest month in which you can book a flight from State of Washington to Duluth (average of $339). Flying from State of Washington to Duluth in June is currently the most expensive (average of $475). 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.

What is the cheapest time of day to fly from WA to DLH?

Find hourly flight availability from Washington to Duluth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 24, 2025.

When flying from State of Washington to Duluth, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 07m. There are 1406 mi between State of Washington and Duluth. This flight may include one or multiple stops.

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

    Most travelers choose Portland - Duluth Intl, Seattle/Tacoma Intl - 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, January is the cheapest month in which you can book a flight from State of Washington to Duluth (average of $339). Flying from State of Washington to Duluth in June is currently the most expensive (average of $475). 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

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Alternative routes for Washington to Duluth

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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 septiembre 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$550FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$301Average$398FlexibilityNo cancel feeOn-time69%

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