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Cheap flights from Seattle to Duluth (SEA - DLH) from $163

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 6/12. 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.
SEA — DLH
May 1 — May 81
From?
To?
Wed 5/1
Wed 5/8
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Duluth Intl are usually found in February or March, booked 36 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from Seattle to Duluth

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Duluth (DLH). 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 April 26, 2024.

Popular in

April

Cheapest in

February

Round-trip from

$361

One-way from

$163
High demand for flights, 26% potential price rise
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Best time to find cheap flights, 29% potential price drop
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From Seattle/Tacoma Intl to Duluth Intl
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One-way flight from Seattle/Tacoma Intl to Duluth Intl
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What is the cheapest day to fly round-trip from Seattle to Duluth?

Flying to your destination on a Thursday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Duluth. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Seattle to Duluth?

To save up to 118% on this flight, we recommend booking at least 37 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Seattle to Duluth from $456 1-2 weeks out and tickets from $628 for flights departing within the next 72 hours.

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

February can be a great time to fly to Duluth from Seattle with a flight ticket averaging about $602. Cheapflights users have found deals in the month of February for as cheap as $252. The most expensive prices can be found in the month of April.

When is the cheapest time to fly from Seattle to Duluth (SEA - DLH)?

It’s typically best to fly out from Seattle to Duluth in the afternoon. Doing so could potentially save you 32% on the flight price compared to flying at noon, which is usually more expensive.

Cheap Delta flights from Seattle to Duluth

Explore cheap flight options specifically provided by Delta for the route between Seattle and Duluth. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 26, 2024.
Consider these cheap Delta flights we've found departing from Seattle to Duluth. Deals update often to give you more flight options matching your criteria
Thu 5/1612:40 amSEA - DLH
1 stop6h 48mDelta
Sun 5/196:07 pmDLH - SEA
2 stops7h 52mDelta
Deal found 4/25$371
Sun 5/2611:08 pmSEA - DLH
2 stops8h 40mDelta
Sun 6/95:20 amDLH - SEA
2 stops11h 18mDelta
Deal found 4/25$498
Mon 6/177:59 pmSEA - DLH
2 stops12h 15mDelta
Thu 6/205:44 pmDLH - SEA
2 stops8h 15mDelta
Deal found 4/25$506
Tue 8/1312:30 amSEA - DLH
1 stop7h 16mDelta
Sun 8/1810:54 amDLH - SEA
1 stop8h 06mDelta
Deal found 4/26$522
Sun 5/2611:08 pmSEA - DLH
2 stops8h 40mDelta
Sun 6/95:20 amDLH - SEA
1 stop5h 30mDelta
Deal found 4/25$523
Thu 5/1612:40 amSEA - DLH
1 stop6h 48mDelta
Sun 5/195:29 amDLH - SEA
1 stop5h 14mDelta
Deal found 4/25$527
Wed 8/147:59 pmSEA - DLH
2 stops11h 47mDelta
Sun 8/1810:54 amDLH - SEA
1 stop8h 06mDelta
Deal found 4/26$553
Sat 8/3112:30 amSEA - DLH
1 stop7h 16mDelta
Sat 9/75:50 pmDLH - SEA
2 stops8h 07mDelta
Deal found 4/25$597
Wed 5/2212:40 amSEA - DLH
1 stop7h 08mDelta
Thu 5/305:29 amDLH - SEA
2 stops12h 35mDelta
Deal found 4/25$602

Cheap United Airlines flights from Seattle to Duluth

Explore cheap flight options specifically provided by United Airlines for the route between Seattle and Duluth. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 26, 2024.
Some of the best deals we've found on United Airlines flights traveling from Seattle to Duluth. Deals frequently update to provide users with more options.
Tue 9/175:00 pmSEA - DLH
1 stop15h 39mUnited Airlines
Sun 9/228:00 amDLH - SEA
1 stop27h 48mUnited Airlines
Deal found 4/25$491
Tue 9/1712:55 pmSEA - DLH
2 stops19h 44mUnited Airlines
Sun 9/228:00 amDLH - SEA
1 stop27h 48mUnited Airlines
Deal found 4/25$496
Fri 5/104:19 pmSEA - DLH
2 stops16h 12mUnited Airlines
Thu 5/162:55 pmDLH - SEA
1 stop9h 32mUnited Airlines
Deal found 4/25$501
Fri 5/104:19 pmSEA - DLH
2 stops27h 09mUnited Airlines
Thu 5/162:55 pmDLH - SEA
2 stops20h 52mUnited Airlines
Deal found 4/25$511
Sun 9/111:59 pmSEA - DLH
1 stop8h 40mUnited Airlines
Sat 9/73:10 pmDLH - SEA
1 stop9h 12mUnited Airlines
Deal found 4/25$535
Sun 9/17:45 pmSEA - DLH
2 stops16h 40mUnited Airlines
Sat 9/73:10 pmDLH - SEA
1 stop9h 12mUnited Airlines
Deal found 4/25$541
Sun 5/1911:45 pmSEA - DLH
1 stop8h 46mUnited Airlines
Tue 5/213:15 pmDLH - SEA
1 stop9h 12mUnited Airlines
Deal found 4/25$547
Fri 5/174:41 pmSEA - DLH
1 stop26h 47mUnited Airlines
Sun 5/192:55 pmDLH - SEA
2 stops24h 48mUnited Airlines
Deal found 4/25$570
Sun 5/267:00 amSEA - DLH
1 stop12h 33mUnited Airlines
Sun 6/98:00 amDLH - SEA
1 stop27h 47mUnited Airlines
Deal found 4/25$586

Cheap Seattle to Duluth flights in April & May 2024

Find cheap flight options from Seattle to Duluth specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Prices were last updated on April 26, 2024.
These are some of the most attractive deals on flights from Seattle to Duluth in 2024. Check back in a little while for more flight options.
Thu 5/1612:40 amSEA - DLH
1 stop6h 48mDelta
Sun 5/196:07 pmDLH - SEA
2 stops7h 52mDelta
Deal found 4/25$371
Fri 5/102:21 pmSEA - DLH
1 stop18h 10mUnited Airlines
Thu 5/162:55 pmDLH - SEA
1 stop9h 32mUnited Airlines
Deal found 4/25$496
Sun 5/2611:08 pmSEA - DLH
2 stops8h 40mDelta
Sun 6/95:20 amDLH - SEA
2 stops11h 18mDelta
Deal found 4/25$498
Fri 5/104:19 pmSEA - DLH
2 stops16h 12mUnited Airlines
Thu 5/162:55 pmDLH - SEA
1 stop9h 32mUnited Airlines
Deal found 4/25$501
Fri 5/104:19 pmSEA - DLH
2 stops27h 09mUnited Airlines
Thu 5/162:55 pmDLH - SEA
2 stops20h 52mUnited Airlines
Deal found 4/25$511
Sun 5/2611:08 pmSEA - DLH
2 stops8h 40mDelta
Sun 6/95:20 amDLH - SEA
1 stop5h 30mDelta
Deal found 4/25$523
Thu 5/1612:40 amSEA - DLH
1 stop6h 48mDelta
Sun 5/195:29 amDLH - SEA
1 stop5h 14mDelta
Deal found 4/25$527
Sun 5/1911:45 pmSEA - DLH
1 stop8h 46mUnited Airlines
Tue 5/213:15 pmDLH - SEA
1 stop9h 12mUnited Airlines
Deal found 4/25$547
Fri 5/174:41 pmSEA - DLH
1 stop26h 47mUnited Airlines
Sun 5/192:55 pmDLH - SEA
2 stops24h 48mUnited Airlines
Deal found 4/25$570

Seattle to Duluth 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Duluth in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 26, 2024.
These are some of the most attractive deals on flights from Seattle to Duluth in 2024. Check back in a little while for more flight options.
Thu 5/1612:40 amSEA - DLH
1 stop6h 48mDelta
Sun 5/196:07 pmDLH - SEA
2 stops7h 52mDelta
Deal found 4/25$371
Tue 9/175:00 pmSEA - DLH
1 stop15h 39mUnited Airlines
Sun 9/228:00 amDLH - SEA
1 stop27h 48mUnited Airlines
Deal found 4/25$491
Tue 9/1712:55 pmSEA - DLH
2 stops19h 44mUnited Airlines
Sun 9/228:00 amDLH - SEA
1 stop27h 48mUnited Airlines
Deal found 4/25$496
Sun 5/2611:08 pmSEA - DLH
2 stops8h 40mDelta
Sun 6/95:20 amDLH - SEA
2 stops11h 18mDelta
Deal found 4/25$498
Fri 5/104:19 pmSEA - DLH
2 stops16h 12mUnited Airlines
Thu 5/162:55 pmDLH - SEA
1 stop9h 32mUnited Airlines
Deal found 4/25$501
Mon 6/177:59 pmSEA - DLH
2 stops12h 15mDelta
Thu 6/205:44 pmDLH - SEA
2 stops8h 15mDelta
Deal found 4/25$506
Fri 5/104:19 pmSEA - DLH
2 stops27h 09mUnited Airlines
Thu 5/162:55 pmDLH - SEA
2 stops20h 52mUnited Airlines
Deal found 4/25$511
Tue 8/1312:30 amSEA - DLH
1 stop7h 16mDelta
Sun 8/1810:54 amDLH - SEA
1 stop8h 06mDelta
Deal found 4/26$522
Sun 5/2611:08 pmSEA - DLH
2 stops8h 40mDelta
Sun 6/95:20 amDLH - SEA
1 stop5h 30mDelta
Deal found 4/25$523

Seattle to Duluth flights leaving soon

Find last-minute flight options from Seattle to Duluth 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 3,068,117 searches. Data last updated April 26, 2024.
Check out these flights departing soon from Seattle to Duluth. Users should examine the flight details to ensure there are no surprises.
Mon 5/62:21 pmSEA - DLH
1 stop22h 08mUnited Airlines
Fri 5/103:15 pmDLH - SEA
1 stop29h 30mUnited Airlines
Deal found 4/25$988
Mon 5/611:45 pmSEA - DLH
1 stop12h 44mUnited Airlines
Fri 5/103:15 pmDLH - SEA
1 stop26h 24mUnited Airlines
Deal found 4/26$1,034
Sun 5/512:35 amSEA - DLH
1 stop7h 12mDelta
Fri 5/1010:33 amDLH - SEA
1 stop5h 42mDelta
Deal found 4/26$1,056
Sun 5/512:35 amSEA - DLH
1 stop7h 12mDelta
Fri 5/1010:33 amDLH - SEA
2 stops9h 53mDelta
Deal found 4/26$1,061
Mon 5/69:30 amSEA - DLH
2 stops11h 20mDelta
Fri 5/1010:33 amDLH - SEA
2 stops9h 53mDelta
Deal found 4/26$1,066

One-way flights to Duluth from Seattle

Search for one-way flight options from Seattle to Duluth. 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 3,068,117 searches. Data last updated April 26, 2024.
Users traveling one-way from Seattle to Duluth can select one of these great deals. Users in need of a round-trip flight from Seattle to Duluth instead should update the search form at the top of page.
Wed 6/128:00 amSEA - DLH
1 stop7h 02mDelta
Deal found 4/24$163
Wed 6/127:59 pmSEA - DLH
2 stops12h 15mDelta
Deal found 4/24$219
Tue 6/1112:40 amSEA - DLH
1 stop7h 34mDelta
Deal found 4/24$244

Find flights from Seattle to Duluth within your budget

Customize your flight search to find flights from Seattle 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 3,068,117 searches. Data last updated April 26, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$371 - $523

Route

Depart

Return

Price

Seattle/Tacoma IntlDuluth Intl

SEA - DLH

SEADLH

Seattle/Tacoma Intl

Thu 5/16

1 stop6h 48m

Duluth Intl

Sun 5/19

2 stops7h 52m

$371

Seattle/Tacoma IntlDuluth Intl

SEA - DLH

SEADLH

Seattle/Tacoma Intl

Tue 9/17

1 stop15h 39m

Duluth Intl

Sun 9/22

1 stop27h 48m

$491

Seattle/Tacoma IntlDuluth Intl

SEA - DLH

SEADLH

Seattle/Tacoma Intl

Tue 9/17

2 stops19h 44m

Duluth Intl

Sun 9/22

1 stop27h 48m

$496

Seattle/Tacoma IntlDuluth Intl

SEA - DLH

SEADLH

Seattle/Tacoma Intl

Sun 5/26

2 stops8h 40m

Duluth Intl

Sun 6/9

2 stops11h 18m

$498

Seattle/Tacoma IntlDuluth Intl

SEA - DLH

SEADLH

Seattle/Tacoma Intl

Fri 5/10

2 stops16h 12m

Duluth Intl

Thu 5/16

1 stop9h 32m

$501

Seattle/Tacoma IntlDuluth Intl

SEA - DLH

SEADLH

Seattle/Tacoma Intl

Mon 6/17

2 stops12h 15m

Duluth Intl

Thu 6/20

2 stops8h 15m

$506

Seattle/Tacoma IntlDuluth Intl

SEA - DLH

SEADLH

Seattle/Tacoma Intl

Fri 5/10

2 stops27h 09m

Duluth Intl

Thu 5/16

2 stops20h 52m

$511

Seattle/Tacoma IntlDuluth Intl

SEA - DLH

SEADLH

Seattle/Tacoma Intl

Tue 8/13

1 stop7h 16m

Duluth Intl

Sun 8/18

1 stop8h 06m

$522

Seattle/Tacoma IntlDuluth Intl

SEA - DLH

SEADLH

Seattle/Tacoma Intl

Sun 5/26

2 stops8h 40m

Duluth Intl

Sun 6/9

1 stop5h 30m

$523

Flights are sorted by cheapest first

Deals found on 4/25

When is the best time to book a flight from Seattle to Duluth?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Duluth. Price data was last updated on January 28, 2024.
To ensure you get the cheapest price possible for a flight from Seattle to Duluth, you should look to book at least 36 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

When is the cheapest time to fly from Seattle to Duluth?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Duluth. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Duluth flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Duluth by month

Plan your trip from Seattle to Duluth by taking into account the cheapest months to travel. The average price of a one-way flight from Seattle to Duluth is currently $209 while a round-trip flight costs $491. Price data was last updated on April 21, 2024.

Currently, March is the cheapest month in which you can book a flight from Seattle to Duluth (average of $361). Flying from Seattle to Duluth in June is currently the most expensive (average of $579). 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.

January

$383

February

$411

March

$361

April

$431

May

$434

June

$579

July

$530

August

$406

September

$469

October

$443

November

$443

December

$439

Temperature and rainfall in Duluth by month

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

DLH

Temperature

12.2 - 66.2 °F

Reviews of airlines servicing Duluth

Get insights into the airlines that provide service to Duluth. 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 Duluth. Reviews last updated April 26, 2024.
Peruse reviews from past customers who have flown with Delta and United Airlines from Seattle to Duluth to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,966 reviews
Check prices

Crew

8.6

Overall

8.1

Entertainment

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

The seats were wayyyy too small! If you are a larger person buying 2 seats would not work as arm rests do not go up

Delta
8.1
Very good
10,966 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Crew

8.6

Overall

8.1

Entertainment

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

The seats were wayyyy too small! If you are a larger person buying 2 seats would not work as arm rests do not go up

United Airlines
7.4
Good
11,228 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Crew

8.6

Overall

8.1

Entertainment

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

The seats were wayyyy too small! If you are a larger person buying 2 seats would not work as arm rests do not go up

Related info for your journey

Find useful and relevant information for your journey from Seattle to Duluth. 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 Seattle to Duluth for under $400 on Cheapflights?

    Yes, there are multiple flights from Seattle to Duluth for under $400. The cheapest flight booked recently is on Delta for just $371, but on average you can expect to pay $536.

  • Are there last-minute flights available from Seattle to Duluth for under $1,000?

    There are currently 5+ open flights from Seattle to Duluth within the next 7 days for less than $1,000.

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

    According to our current data, Delta ($371), and United Airlines ($491) offers the cheapest pricing from Seattle to Duluth. You may be able to fly from Seattle to Duluth for 38% less than the average price by searching for these airlines.

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

    Consider Delta, Sun Country Air or United Airlines when booking your flight. These represent the most popular airlines when flying from Seattle to Duluth.

  • What does SEA to DLH mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Seattle/Tacoma Intl Airport to Duluth Intl Airport flight would often be abbreviated as a SEA to DLH flight.

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

    The amount of baggage you can bring on your Seattle to Duluth 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 Seattle to Duluth with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Duluth 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 Seattle to Duluth that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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.

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

    Many airlines flying from Seattle to Duluth 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 Seattle to Duluth?

    Yes, you can often find last-minute deals on Seattle to Duluth 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 Seattle to Duluth flight deals updated?

    The Seattle to Duluth flight deals you see on this page were last updated on 4/26.

See more FAQs

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

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Top 3 airlines flying from Seattle to Duluth

Discover the top 3 airlines that operate flights from Seattle 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 3,068,117 searches. Data last updated April 26, 2024.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$168Average$436FlexibilityNo cancel feeOn-time83%
Search Sun Country Air flights
DeltaCheapest$350Average$721FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$460Average$707FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Search flights from Seattle to Duluth by cabin class

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

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Duluth?

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Why should you use Cheapflights to find cheap flight tickets from Seattle to Duluth?

Cheapflights simply makes it quick and affordable to book flights from Seattle to Duluth by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Seattle to Duluth with no change fees?

Yes! Cheapflights helps users easily find flights from Seattle to Duluth with no change fees.

Can Cheapflights notify me if prices for flights from Seattle to Duluth become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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