HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Duluth to Seattle (DLH - SEA) from $346

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
DLH — SEA
Jun 12 — Jun 191
From?
To?
Wed 6/12
Wed 6/19
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Cheap flight deals from Duluth to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Duluth (DLH) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 7, 2024.

Popular in

June

Cheapest in

May

Average price

$937

Round-trip from

$247
High demand for flights, 39% potential price rise
Search Deals
Best time to find cheap flights, 52% potential price drop
Search Deals
Average for round-trip flights in June 2024
Search Deals
From Duluth Intl to Seattle/Tacoma Intl
Search Deals

What is the cheapest day to fly round-trip from Duluth to Seattle?

Friday flights are generally found to be more expensive for flights from Duluth to Seattle. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Seattle.

What is the cheapest month to fly from Duluth to Seattle?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, May can be a great choice for travel to Seattle. Flights to Seattle from Duluth in May are about $567 on average during May, but can be found for as low as $176.

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

When flying from Duluth to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 29% versus a flight in the morning.

Cheap Duluth to Seattle flights in June & July 2024

Find cheap flight options from Duluth to Seattle specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,048,502 searches. Prices were last updated on June 7, 2024.
These are some of the best deals we've found on flights to Seattle in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Tue 7/3010:57 amDLH - SEA
1 stop7h 13mDelta
Wed 8/712:35 amSEA - DLH
1 stop7h 42mDelta
Deal found 6/6$506
Tue 7/308:05 amDLH - SEA
2 stops16h 40mUnited Airlines
Wed 8/712:30 amSEA - DLH
1 stop19h 07mUnited Airlines
Deal found 6/6$650
Tue 7/3010:57 amDLH - SEA
1 stop7h 13mDelta
Thu 8/86:00 amSEA - DLH
1 stop6h 32mDelta
Deal found 6/6$672
Tue 7/303:13 pmDLH - SEA
2 stops18h 49mUnited Airlines
Thu 8/87:00 amSEA - DLH
1 stop12h 37mUnited Airlines
Deal found 6/6$691
Tue 7/305:20 amDLH - SEA
2 stops11h 15mDelta
Thu 8/812:20 pmSEA - DLH
2 stops9h 35mDelta
Deal found 6/6$920

Duluth to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Duluth and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,048,502 searches. Data last updated June 7, 2024.
These are some of the best deals we've found on flights to Seattle in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Fri 10/115:50 pmDLH - SEA
1 stop7h 41mDelta
Mon 10/1412:35 amSEA - DLH
1 stop7h 14mDelta
Deal found 6/7$346
Fri 10/113:07 pmDLH - SEA
1 stop9h 10mUnited Airlines
Tue 10/158:38 amSEA - DLH
2 stops11h 22mUnited Airlines
Deal found 6/7$431
Fri 10/113:07 pmDLH - SEA
2 stops26h 35mUnited Airlines
Tue 10/156:05 amSEA - DLH
2 stops13h 55mUnited Airlines
Deal found 6/7$467
Fri 10/113:07 pmDLH - SEA
3 stops32h 53mUnited Airlines
Tue 10/155:00 amSEA - DLH
2 stops10h 44mUnited Airlines
Deal found 6/7$472
Fri 10/113:07 pmDLH - SEA
3 stops32h 53mUnited Airlines
Tue 10/157:46 pmSEA - DLH
2 stops12h 53mUnited Airlines
Deal found 6/6$497
Tue 7/3010:57 amDLH - SEA
1 stop7h 13mDelta
Wed 8/712:35 amSEA - DLH
1 stop7h 42mDelta
Deal found 6/6$506
Wed 9/113:10 pmDLH - SEA
1 stop9h 12mUnited Airlines
Mon 9/237:45 pmSEA - DLH
2 stops12h 54mUnited Airlines
Deal found 6/6$532
Wed 9/118:00 amDLH - SEA
2 stops16h 15mUnited Airlines
Mon 9/237:45 pmSEA - DLH
2 stops12h 54mUnited Airlines
Deal found 6/6$537
Wed 9/118:00 amDLH - SEA
3 stops15h 59mUnited Airlines
Mon 9/237:45 pmSEA - DLH
2 stops12h 54mUnited Airlines
Deal found 6/6$542

One-way flights to Seattle from Duluth

Search for one-way flight options from Duluth to Seattle. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,048,502 searches. Data last updated June 7, 2024.
Take a look at some of the one-way flights we've detected from Duluth to Seattle. For those needing a return trip from Duluth, there is a search form available above.
Thu 9/262:52 pmDLH - SEA
1 stop7h 44mDelta
Deal found 6/6$353
Thu 9/265:25 amDLH - SEA
2 stops11h 15mDelta
Deal found 6/6$703
Thu 9/263:07 pmDLH - SEA
3 stops23h 36mUnited Airlines
Deal found 6/6$2,131

Find flights from Duluth to Seattle within your budget

Customize your flight search to find flights from Duluth to Seattle 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 3,048,502 searches. Data last updated June 7, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$346 - $672

Route

Depart

Return

Price

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Fri 10/11

1 stop7h 41m

Seattle/Tacoma Intl

Tue 10/15

1 stop5h 18m

$346

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Fri 10/11

1 stop9h 10m

Seattle/Tacoma Intl

Tue 10/15

2 stops13h 15m

$431

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Fri 10/11

2 stops13h 06m

Seattle/Tacoma Intl

Tue 10/15

2 stops13h 55m

$467

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Fri 10/11

3 stops32h 53m

Seattle/Tacoma Intl

Tue 10/15

2 stops12h 53m

$497

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Tue 7/30

1 stop7h 13m

Seattle/Tacoma Intl

Wed 8/7

1 stop7h 42m

$506

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Wed 9/11

1 stop9h 12m

Seattle/Tacoma Intl

Mon 9/23

2 stops12h 54m

$532

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Wed 9/11

2 stops16h 15m

Seattle/Tacoma Intl

Mon 9/23

2 stops12h 54m

$537

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Wed 9/11

3 stops15h 59m

Seattle/Tacoma Intl

Mon 9/23

2 stops12h 54m

$542

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Tue 7/30

1 stop7h 13m

Seattle/Tacoma Intl

Thu 8/8

1 stop6h 32m

$672

Flights are sorted by cheapest first

Deals found on 6/6

What is the cheapest day to fly from Duluth to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Duluth to Seattle. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Duluth to Seattle flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Duluth to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle 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.

Temperature and rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average temperature and rainfall totals by month.

SEA

Temperature

41 - 66.2 °F

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated June 7, 2024.
See what other customers who have flown with Delta and United Airlines from Duluth to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,363 reviews

Comfort

7.9

Food

7.4

Crew

8.6

Entertainment

8.0

Overall

8.0

Boarding

8.2

Reviews

1 / 10

It was a good experience other than a short delay.

Delta
8.0
Very good
10,363 reviews
Delta
8.0
Very good
10,363 reviews

Comfort

7.9

Food

7.4

Crew

8.6

Entertainment

8.0

Overall

8.0

Boarding

8.2

Reviews

1 / 10

It was a good experience other than a short delay.

United Airlines
7.4
Good
10,696 reviews
Delta
8.0
Very good
10,363 reviews

Comfort

7.9

Food

7.4

Crew

8.6

Entertainment

8.0

Overall

8.0

Boarding

8.2

Reviews

1 / 10

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 Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Duluth to Seattle for under $400 on Cheapflights?

    Yes, there are multiple flights from Duluth to Seattle for under $400. The cheapest flight booked recently is on Delta for just $346, but on average you can expect to pay $608.

  • What are the cheapest airlines flying from Duluth to Seattle round-trip?

    Currently priced at $346, Delta will fly you from Duluth to Seattle and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $431. Delta is 39% cheaper than the average price of flights available within the next 90 days to this destination.

  • What does DLH to SEA mean?

    DLH and SEA are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. DLH to SEA refers to a flight route from Duluth Intl Airport to Seattle/Tacoma Intl Airport.

  • Can I find deals for flights from Duluth to Seattle that include extra baggage allowance?

    The amount of baggage you can bring on your Duluth to Seattle flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Duluth to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Duluth to Seattle flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Duluth to Seattle that allow pets onboard?

    Many airlines flying from Duluth to Seattle offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Duluth to Seattle?

    Yes, you can often find last-minute deals on Duluth to Seattle flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Duluth to Seattle flight deals updated?

    The Duluth to Seattle flight deals you see on this page were last updated on 6/7.

  • What are the most popular airlines that fly from Duluth to Seattle?

    The most popular airlines flying from Duluth to Seattle are Delta, Sun Country Air and United Airlines. Something to consider prior to booking your flight.

  • What is the cheapest month to book a flight from Duluth to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Duluth to Seattle (average of $247). Flying from Duluth to Seattle in July is currently the most expensive (average of $406). 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

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 Duluth to Seattle
See prices for flight routes from nearby airports that may be better suited for you.

Minneapolis to Seattle flights
Minneapolis to Portland flights
Minneapolis to Spokane flights
Fargo to Seattle flights
Sioux Falls to Seattle flights
Sioux Falls to Portland flights
Fargo to Portland flights
Rochester to Seattle flights
Minneapolis to Pasco flights
Sioux Falls to Pasco flights
Sioux Falls to Spokane flights
Minneapolis to Walla Walla flights
Duluth to Portland flights
Fargo to Spokane flights
Minneapolis to Bellingham flights
La Crosse to Seattle flights
Fargo to Pasco flights
Fargo to Bellingham flights
Rochester to Portland flights
La Crosse to Portland flights
Rochester to Spokane flights
Minneapolis to Pullman flights
Duluth to Spokane flights
Bemidji to Portland flights
Hibbing to Portland flights
La Crosse to Spokane flights
International Falls to Seattle flights
Brainerd to Portland flights
Brainerd to Spokane flights
Sioux Falls to Yakima flights
Bemidji to Seattle flights
Minneapolis to Yakima flights
Brainerd to Seattle flights
Sioux Falls to Bellingham flights

Top 3 airlines flying from Duluth to Seattle

Discover the top 3 airlines that operate flights from Duluth to Seattle. 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 3,048,502 searches. Data last updated June 7, 2024.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$171Average$352FlexibilityNo cancel feeOn-time83%
DeltaCheapest$274Average$575FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$348Average$692FlexibilityNo cancel feeOn-time69%
Fort Lauderdale to Orlando flights
Los Angeles to New York flights
Florida to The Bahamas flights
Fort Lauderdale to Key West flights
Denver to Detroit flights
Hartford to Orlando flights
Seattle to Phoenix flights
Orlando to Houston flights
Pittsburgh to Boston flights
USA to Curaçao flights
Charlotte to Los Angeles flights
Duluth to Seoul flights

Search flights from Duluth to Seattle by cabin class

Find flights from Duluth to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Gaziantep
Flights to Miyakojima Hirara
Flights to Figari-Sud Corse
Flights to Mason City
Flights to Komatsu
Flights to Sendai
Flights to Rhinelander Oneida County
Flights to Constanţa Mihail Kogalniceanu
Flights to Brainerd Crow Wing County
Flights to Reus
Flights to Virac
Flights to Neiva La Marguita
Flights to Pellston Emmet County
Flights to Urumqi
Flights to Bastia Poretta
Flights to Samos
Flights to Hyannis Barnstable
Flights to Provincetown
Flights to Alghero-Fertilia
Flights to Laayoune Hassan I
Flights to Devils Lake
Flights to Vava'u Lupepau'U
Flights to Hakodate
Flights to Edremit/Korfez
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.
View all available airlines