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$258+ Cheap flights from Seattle to Duluth (SEA - 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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DLH
Dec 24 — Dec 311
Tue 12/24
Tue 12/31
1 adult, Economy
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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 December 19, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$258
(Delta)

Popular in

December

Cheapest in

January

Average price

$785
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 Seattle/Tacoma Intl to Duluth Intl
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High demand for flights, 8% potential price rise
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Best time to find cheap flights, 4% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Seattle to Duluth

Cheapest flights from Seattle to Duluth
Explore the most affordable flight options available from Seattle to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 19, 2024.

This Delta deal was found by Cheapflights users on 12/18. 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 12/218:25 amSEA - DLH
1 stop6h 36mDelta
Wed 12/255:00 amDLH - SEA
1 stop7h 45mDelta
Deal found 12/18$1,218
This United deal was found by Cheapflights users on 12/18. 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 12/217:00 amSEA - DLH
1 stop13h 00mUnited Airlines
Wed 12/257:45 amDLH - SEA
2 stops15h 25mUnited Airlines
Deal found 12/18$1,440

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 2,558,603 searches. Data last updated December 19, 2024.

Fly from

Any airport

Fly to

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Route

Depart

Return

Price

SeattleDuluth

SEA - DLH

SEADLH

Seattle/Tacoma Intl

Fri 1/10

9:25 am-5:20 pm

1 stop5h 55m

Duluth Intl

Mon 1/13

2:34 pm-8:47 pm

1 stop8h 13m

$258

SeattleDuluth

SEA - DLH

SEADLH

Seattle/Tacoma Intl

Thu 1/9

9:00 am-10:00 pm

2 stops11h 00m

Duluth Intl

Tue 1/21

3:06 pm-10:53 pm

1 stop9h 47m

$461

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Compare providers for flights from Seattle to Duluth

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Duluth in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Duluth flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Duluth flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Duluth flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Duluth flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Duluth flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Duluth

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

Travel insights for flights from Seattle to Duluth

Get recent, data-driven insights about flights from Seattle to Duluth including ideal travel times, pricing trends, and more.

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

Currently, November is the cheapest month in which you can book a flight from Seattle to Duluth (average of $300). Flying from Seattle to Duluth in June is currently the most expensive (average of $483). 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 SEA to DLH?

Find hourly flight availability from Seattle 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 December 19, 2024.

It’s typically best to fly out from Seattle to Duluth in the morning. Doing so could potentially save you 37% on the flight price compared to flying at noon, which is usually more expensive.

Rainfall in Duluth by month

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

In terms of precipitation, rainfall in Duluth ranges from 0.6 - 3.6 inches per month. August is typically the wettest month, when rainfall can reach 3.6 in. February is typically the driest time to visit Duluth when rainfall is around 0.6 in.

Temperature in Duluth by month

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

If weather is an important factor for your trip to Duluth, 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 January, when temperatures are typically at their lowest (around 12.2 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 December 19, 2024.
Delta
8.0
Very good
8,600 reviews

Food

7.3

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

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
8.0
Very good
8,600 reviews
Delta
8.0
Very good
8,600 reviews

Food

7.3

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

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
9,048 reviews
Delta
8.0
Very good
8,600 reviews

Food

7.3

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

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.

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

    According to our current data, Delta ($258), and United Airlines ($340) offers the cheapest pricing from Seattle to Duluth. You may be able to fly from Seattle to Duluth for 53% less than the average price by searching for these 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.

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

    Currently, November is the cheapest month in which you can book a flight from Seattle to Duluth (average of $300). Flying from Seattle to Duluth in June is currently the most expensive (average of $483). 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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Top 2 airlines flying from Seattle to Duluth

Discover the top 2 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 2,558,603 searches. Data last updated December 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$298Average$590FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$413Average$545FlexibilityNo cancel feeOn-time69%
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