Cheap flights from Duluth to Seattle (DLH - SEA) from $148

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 7/27. 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 18 — Jun 251

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 13, 2024.

Popular in

June

Cheapest in

May

Round-trip from

$247

One-way from

$218
High demand for flights, 39% potential price rise
Best time to find cheap flights, 52% potential price drop
From Duluth Intl to Seattle/Tacoma Intl
One-way flight from Duluth Intl to Seattle/Tacoma Intl

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 $571 on average during May, but can be found for as low as $137.

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 30% 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 3,214,720 searches. Prices were last updated on June 13, 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 7/125:20 amDLH - SEA
1 stop5h 30mDelta
Sun 7/146:00 amSEA - DLH
1 stop6h 33mDelta
Deal found 6/12$562
Tue 7/305:20 amDLH - SEA
1 stop5h 30mDelta
Wed 8/712:35 amSEA - DLH
1 stop7h 42mDelta
Deal found 6/12$593
Thu 7/113:13 pmDLH - SEA
1 stop9h 09mUnited Airlines
Sat 7/1312:30 amSEA - DLH
1 stop8h 02mUnited Airlines
Deal found 6/12$597
Tue 7/303:13 pmDLH - SEA
1 stop7h 56mUnited Airlines
Thu 8/811:47 pmSEA - DLH
1 stop8h 45mUnited Airlines
Deal found 6/12$617
Fri 7/128:05 amDLH - SEA
1 stop10h 03mUnited Airlines
Sat 7/1312:30 amSEA - DLH
1 stop8h 02mUnited Airlines
Deal found 6/12$618
Thu 7/113:13 pmDLH - SEA
1 stop9h 09mUnited Airlines
Sun 7/1411:47 pmSEA - DLH
1 stop32h 45mUnited Airlines
Deal found 6/12$621
Tue 7/303:13 pmDLH - SEA
2 stops18h 49mUnited Airlines
Thu 8/84:30 pmSEA - DLH
2 stops16h 02mUnited Airlines
Deal found 6/12$622
Fri 7/268:05 amDLH - SEA
1 stop12h 37mUnited Airlines
Mon 7/2911:47 pmSEA - DLH
1 stop19h 50mUnited Airlines
Deal found 6/11$635
Fri 7/263:13 pmDLH - SEA
3 stops33h 22mUnited Airlines
Mon 7/2911:47 pmSEA - DLH
1 stop19h 50mUnited Airlines
Deal found 6/11$644

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 3,214,720 searches. Data last updated June 13, 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 10/112:45 pmDLH - SEA
1 stop7h 25mDelta
Tue 10/154:30 pmSEA - DLH
1 stop5h 18mDelta
Deal found 6/12$346
Fri 10/113:07 pmDLH - SEA
1 stop29h 34mUnited Airlines
Tue 10/158:38 amSEA - DLH
2 stops11h 22mUnited Airlines
Deal found 6/12$406
Fri 10/1111:16 amDLH - SEA
2 stops13h 06mUnited Airlines
Tue 10/158:38 amSEA - DLH
2 stops11h 22mUnited Airlines
Deal found 6/12$467
Tue 9/108:00 amDLH - SEA
1 stop9h 41mUnited Airlines
Tue 9/245:00 pmSEA - DLH
1 stop26h 53mUnited Airlines
Deal found 6/12$522
Tue 9/108:00 amDLH - SEA
2 stops14h 14mUnited Airlines
Tue 9/2411:59 pmSEA - DLH
1 stop12h 26mUnited Airlines
Deal found 6/12$527
Mon 8/55:44 pmDLH - SEA
1 stop8h 15mDelta
Wed 8/1412:35 amSEA - DLH
1 stop7h 28mDelta
Deal found 6/12$537
Fri 7/125:20 amDLH - SEA
1 stop5h 30mDelta
Sun 7/146:00 amSEA - DLH
1 stop6h 33mDelta
Deal found 6/12$562
Tue 7/305:20 amDLH - SEA
1 stop5h 30mDelta
Wed 8/712:35 amSEA - DLH
1 stop7h 42mDelta
Deal found 6/12$593
Thu 7/113:13 pmDLH - SEA
1 stop9h 09mUnited Airlines
Sat 7/1312:30 amSEA - DLH
1 stop8h 02mUnited Airlines
Deal found 6/12$597

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 3,214,720 searches. Data last updated June 13, 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.
Sat 7/279:42 amDLH - SEA
1 stop8h 37mSun Country Air
Deal found 6/12$148
Sun 7/1410:00 amDLH - SEA
1 stop9h 32mSun Country Air
Deal found 6/12$218
Wed 6/198:00 amDLH - SEA
2 stops15h 20mUnited Airlines
Deal found 6/12$358
Sat 7/273:13 pmDLH - SEA
2 stops18h 49mUnited Airlines
Deal found 6/12$377
Sun 7/143:13 pmDLH - SEA
3 stops33h 32mUnited Airlines
Deal found 6/12$407
Sun 7/143:13 pmDLH - SEA
2 stops18h 49mUnited Airlines
Deal found 6/12$443
Wed 6/198:00 amDLH - SEA
1 stop10h 08mUnited Airlines
Deal found 6/12$478
Sun 7/285:20 amDLH - SEA
2 stops12h 05mDelta
Deal found 6/12$493
Wed 6/1911:22 amDLH - SEA
3 stops15h 24mUnited Airlines
Deal found 6/12$1,298

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 3,214,720 searches. Data last updated June 13, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$346 - $597

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 10m

$346

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Fri 10/11

1 stop29h 34m

Seattle/Tacoma Intl

Tue 10/15

2 stops13h 15m

$406

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Fri 10/11

2 stops13h 06m

Seattle/Tacoma Intl

Tue 10/15

2 stops11h 22m

$467

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Tue 9/10

1 stop9h 41m

Seattle/Tacoma Intl

Tue 9/24

1 stop26h 53m

$522

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Tue 9/10

2 stops14h 14m

Seattle/Tacoma Intl

Tue 9/24

1 stop12h 26m

$527

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Mon 8/5

1 stop8h 15m

Seattle/Tacoma Intl

Wed 8/14

1 stop7h 28m

$537

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Fri 7/12

1 stop5h 30m

Seattle/Tacoma Intl

Sun 7/14

1 stop6h 33m

$562

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Tue 7/30

1 stop5h 30m

Seattle/Tacoma Intl

Wed 8/7

1 stop7h 42m

$593

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Thu 7/11

1 stop9h 09m

Seattle/Tacoma Intl

Sat 7/13

1 stop8h 02m

$597

Flights are sorted by cheapest first

Deals found on 6/13

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 9, 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. Thursday 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 13, 2024.
See what other customers who have flown with United Airlines and Delta 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.
8.0
Very good
10,000 reviews

Entertainment

8.0

Boarding

8.2

Overall

8.0

Food

7.4

Crew

8.6

Comfort

7.9

Reviews

1 / 10

It was a good experience other than a short delay.

8.0
Very good
10,000 reviews
8.0
Very good
10,000 reviews

Entertainment

8.0

Boarding

8.2

Overall

8.0

Food

7.4

Crew

8.6

Comfort

7.9

Reviews

1 / 10

It was a good experience other than a short delay.

7.4
Good
10,000 reviews
8.0
Very good
10,000 reviews

Entertainment

8.0

Boarding

8.2

Overall

8.0

Food

7.4

Crew

8.6

Comfort

7.9

Reviews

1 / 10

It was a good experience other than a short delay.

7.3
Good
579 reviews
8.0
Very good
10,000 reviews

Entertainment

8.0

Boarding

8.2

Overall

8.0

Food

7.4

Crew

8.6

Comfort

7.9

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 $583.

  • 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 $406. Delta is 39% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Duluth to Seattle one-way?

    One-way options have recently been found by users for as low as $148 on Sun Country Air. Other airlines that offer cheap prices include United Airlines from $358 and Delta from $493 one-way.

  • 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 6/12.

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

  • 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 $407). 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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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 3,214,720 searches. Data last updated June 13, 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%

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