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$129+ Cheap flights from Duluth to Seattle (DLH - SEA)

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — SEA
Jul 31 — Aug 71
From?
To?
Wed 7/31
Wed 8/7
1 adult, Economy
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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 July 26, 2024.

Popular in

June

Cheapest in

May

Round-trip from

$258
(Delta)

One-way from

$129
(Delta)
High demand for flights, 42% potential price rise
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Best time to find cheap flights, 50% potential price drop
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From Duluth Intl to Seattle/Tacoma Intl
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One-way flight from Duluth Intl to Seattle/Tacoma Intl
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What is the cheapest day to fly round-trip from Duluth to Seattle?

Wednesday 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 $546 on average during May, but can be found for as low as $145.

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 6% versus a flight in the morning.

Cheap Duluth to Seattle flights in July & August 2024

Find cheap flight options from Duluth to Seattle specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Prices were last updated on July 26, 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.
This United deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2411:16 amDLH - SEA
2 stops12h 43mUnited Airlines
Sat 8/3111:59 pmSEA - DLH
1 stop8h 40mUnited Airlines
Deal found 7/25$462
This United deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2411:16 amDLH - SEA
2 stops12h 43mUnited Airlines
Sat 8/316:00 amSEA - DLH
2 stops13h 53mUnited Airlines
Deal found 7/25$467
This United deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/248:00 amDLH - SEA
3 stops15h 59mUnited Airlines
Sat 8/314:43 pmSEA - DLH
2 stops15h 56mUnited Airlines
Deal found 7/25$472
This United deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2411:16 amDLH - SEA
1 stop9h 36mUnited Airlines
Sat 8/3111:59 pmSEA - DLH
1 stop8h 40mUnited Airlines
Deal found 7/25$508
This United deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/248:00 amDLH - SEA
3 stops15h 59mUnited Airlines
Sat 8/3112:50 pmSEA - DLH
3 stops19h 49mUnited Airlines
Deal found 7/25$526
This United deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2411:16 amDLH - SEA
2 stops13h 06mUnited Airlines
Thu 8/297:00 amSEA - DLH
1 stop8h 27mUnited Airlines
Deal found 7/25$532
This United deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/248:00 amDLH - SEA
3 stops15h 59mUnited Airlines
Thu 8/297:00 amSEA - DLH
1 stop8h 27mUnited Airlines
Deal found 7/25$537
This United deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/248:00 amDLH - SEA
1 stop9h 41mUnited Airlines
Thu 8/297:00 amSEA - DLH
1 stop8h 27mUnited Airlines
Deal found 7/25$578
This Delta deal was found by Cheapflights users on 7/25. 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 8/245:20 amDLH - SEA
1 stop7h 25mDelta
Fri 8/3012:35 amSEA - DLH
1 stop7h 42mDelta
Deal found 7/25$618

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 2,752,877 searches. Data last updated July 26, 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.
This Delta deal was found by Cheapflights users on 7/25. 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 10/115:50 pmDLH - SEA
1 stop7h 41mDelta
Tue 10/156:30 amSEA - DLH
1 stop5h 51mDelta
Deal found 7/25$258
This Delta deal was found by Cheapflights users on 7/25. 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 10/46:28 pmDLH - SEA
1 stop7h 29mDelta
Sat 10/1212:35 amSEA - DLH
1 stop7h 14mDelta
Deal found 7/25$292
This Delta deal was found by Cheapflights users on 7/25. 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 10/13:15 pmDLH - SEA
1 stop7h 24mDelta
Mon 10/712:35 amSEA - DLH
1 stop7h 14mDelta
Deal found 7/25$323
This United deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/111:16 amDLH - SEA
1 stop9h 25mUnited Airlines
Tue 10/810:13 pmSEA - DLH
2 stops14h 12mUnited Airlines
Deal found 7/25$343
This United deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/111:16 amDLH - SEA
2 stops11h 59mUnited Airlines
Tue 10/87:46 pmSEA - DLH
2 stops12h 53mUnited Airlines
Deal found 7/25$348
This United deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/48:00 amDLH - SEA
1 stop10h 10mUnited Airlines
Sun 10/1311:59 pmSEA - DLH
1 stop8h 40mUnited Airlines
Deal found 7/25$372
This United deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/411:16 amDLH - SEA
2 stops13h 06mUnited Airlines
Sun 10/1311:59 pmSEA - DLH
1 stop8h 40mUnited Airlines
Deal found 7/25$377
This United deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/18:00 amDLH - SEA
3 stops16h 00mUnited Airlines
Tue 10/87:46 pmSEA - DLH
2 stops12h 53mUnited Airlines
Deal found 7/25$387
This United deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/116:25 pmDLH - SEA
2 stops17h 41mUnited Airlines
Tue 10/1510:13 pmSEA - DLH
2 stops14h 12mUnited Airlines
Deal found 7/25$432

Duluth to Seattle flights leaving soon

Find last-minute flight options from Duluth to Seattle for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 26, 2024.
Have a look at some of the flights available from Duluth to Seattle departing last-minute. It's wise to confirm all flight details are correct before booking.
This United Airlines deal was found by Cheapflights users on 7/25. 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 7/303:13 pmDLH - SEA
2 stops18h 49mUnited Airlines
Thu 8/811:01 amSEA - DLH
1 stop25h 31mUnited Airlines
Deal found 7/25$756
This United Airlines deal was found by Cheapflights users on 7/25. 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 7/303:13 pmDLH - SEA
2 stops18h 49mUnited Airlines
Thu 8/83:35 pmSEA - DLH
3 stops16h 57mUnited Airlines
Deal found 7/25$779
This United deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/3011:10 amDLH - SEA
2 stops13h 35mUnited Airlines
Wed 8/712:30 amSEA - DLH
1 stop14h 59mUnited Airlines
Deal found 7/25$796
This United deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/3011:10 amDLH - SEA
2 stops13h 35mUnited Airlines
Thu 8/85:10 amSEA - DLH
2 stops10h 19mUnited Airlines
Deal found 7/25$826
This United deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/308:05 amDLH - SEA
1 stop10h 03mUnited Airlines
Thu 8/87:00 amSEA - DLH
1 stop8h 29mUnited Airlines
Deal found 7/25$846
This United deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/303:13 pmDLH - SEA
1 stop7h 56mUnited Airlines
Wed 8/712:30 amSEA - DLH
1 stop14h 59mUnited Airlines
Deal found 7/25$871
This United Airlines deal was found by Cheapflights users on 7/25. 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 7/318:05 amDLH - SEA
1 stop10h 03mUnited Airlines
Sat 8/312:30 amSEA - DLH
1 stop8h 02mUnited Airlines
Deal found 7/25$896
This United Airlines deal was found by Cheapflights users on 7/25. 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 7/318:05 amDLH - SEA
2 stops11h 32mUnited Airlines
Sat 8/312:30 amSEA - DLH
1 stop8h 02mUnited Airlines
Deal found 7/25$901
This United Airlines deal was found by Cheapflights users on 7/25. 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 7/3111:10 amDLH - SEA
2 stops15h 44mUnited Airlines
Sun 8/45:05 amSEA - DLH
2 stops10h 24mUnited Airlines
Deal found 7/25$906

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 2,752,877 searches. Data last updated July 26, 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.
This Delta deal was found by Cheapflights users on 7/25. 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 9/96:28 pmDLH - SEA
1 stop7h 29mDelta
Deal found 7/25$129
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/2711:16 amDLH - SEA
1 stop9h 36mUnited Airlines
Deal found 7/24$163
This United Airlines deal was found by Cheapflights users on 7/25. 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 8/2411:16 amDLH - SEA
2 stops12h 43mUnited Airlines
Deal found 7/25$208
This United Airlines deal was found by Cheapflights users on 7/25. 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 8/248:00 amDLH - SEA
3 stops15h 59mUnited Airlines
Deal found 7/25$213
This United Airlines deal was found by Cheapflights users on 7/25. 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 8/248:00 amDLH - SEA
1 stop9h 41mUnited Airlines
Deal found 7/25$214
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/73:13 pmDLH - SEA
1 stop7h 56mUnited Airlines
Deal found 7/24$243
This United Airlines deal was found by Cheapflights users on 7/25. 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 9/38:00 amDLH - SEA
2 stops28h 06mUnited Airlines
Deal found 7/25$254
This United Airlines deal was found by Cheapflights users on 7/25. 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 9/96:24 pmDLH - SEA
2 stops17h 32mUnited Airlines
Deal found 7/25$258
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/123:13 pmDLH - SEA
1 stop7h 56mUnited Airlines
Deal found 7/24$263

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 2,752,877 searches. Data last updated July 26, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$258 - $506

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 51m

$258

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Fri 10/4

1 stop7h 29m

Seattle/Tacoma Intl

Sat 10/12

1 stop7h 14m

$292

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Tue 10/1

1 stop7h 24m

Seattle/Tacoma Intl

Tue 10/8

1 stop5h 51m

$323

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Fri 10/11

1 stop9h 08m

Seattle/Tacoma Intl

Tue 10/15

2 stops12h 53m

$343

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Tue 10/1

2 stops11h 59m

Seattle/Tacoma Intl

Tue 10/8

2 stops12h 53m

$348

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Fri 10/4

1 stop10h 10m

Seattle/Tacoma Intl

Sun 10/13

1 stop8h 40m

$372

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Fri 10/4

2 stops13h 06m

Seattle/Tacoma Intl

Sun 10/13

1 stop8h 40m

$377

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Tue 10/1

3 stops16h 00m

Seattle/Tacoma Intl

Tue 10/8

2 stops12h 53m

$387

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Sat 11/23

1 stop7h 05m

Seattle/Tacoma Intl

Fri 11/29

1 stop7h 14m

$506

Flights are sorted by cheapest first

Deals found on 7/26

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 July 21, 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 July 26, 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
9,630 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Crew

8.6

Food

7.4

Reviews

1 / 10

It was a good experience other than a short delay.

Delta
8.0
Very good
9,630 reviews
Delta
8.0
Very good
9,630 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Crew

8.6

Food

7.4

Reviews

1 / 10

It was a good experience other than a short delay.

United Airlines
7.4
Good
10,000 reviews
Delta
8.0
Very good
9,630 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Crew

8.6

Food

7.4

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 $300 on Cheapflights?

    Yes, there are multiple flights from Duluth to Seattle for under $300. The cheapest flight booked recently is on Delta for just $258, but on average you can expect to pay $430.

  • Are there last-minute flights available from Duluth to Seattle for under $800?

    There are currently 11+ open flights from Duluth to Seattle within the next 7 days for less than $800.

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

    Currently priced at $258, 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 $343. Delta is 52% 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 7/25.

  • 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 $246). Flying from Duluth to Seattle in July is currently the most expensive (average of $412). 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.

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

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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 2,752,877 searches. Data last updated July 26, 2024.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$171Average$352FlexibilityNo cancel feeOn-time83%
DeltaCheapest$274Average$524FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$348Average$692FlexibilityNo cancel feeOn-time69%
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