CA $203 Cheap Flights from Seattle (SEA) to Duluth (DLH)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Duluth, MN (DLH-Duluth Intl.)

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Cheap flights from Seattle (SEA) to Duluth (DLH)

Prices were available within the past 7 days and start at CA $203 for one-way flights and CA $461 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun Country Airlines
Sun Country Airlines
United
Delta
Delta
United
Delta
United
United
Delta

Find the cheapest month to fly from Seattle (SEA) to Duluth (DLH)

September is typically the cheapest month to fly

From CA $277 - CA $876 per traveller.

Graph displaying average flight prices per month

Flight from Seattle to Duluth (SEA - DLH) route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Duluth Intl.
Roundtrip price
CA $460
Distance
2251 km

Seattle to Duluth Flights

The easy way to book your flights from Seattle to Duluth 

With Expedia, it’s simple to find and book flights to Duluth from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Duluth Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Duluth today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Duluth Intl., DLH 

Sort your search results by price to find great deals on your flight from Seattle to Duluth—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Duluth from Seattle currently is just CA $461 rising to CA $969.  

Here are more money-saving tips: 

  • Fly in August when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Duluth  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Duluth from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Duluth with Expedia today.

Frequently asked questions

How much is a flight from Sea-Tac Airport to Duluth Intl. Airport?
Round-trip tickets between Seattle - Tacoma Intl. Airport (SEA) and DLH start from CA $461. This is based on fares offered within the last 7 days on Expedia for flights departing within the next year — book today to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SEA to Duluth Intl. Airport?
This varies between airlines, as each has its own terms and conditions. Head to the Customer Service Portal, where you'll find easy-to-follow instructions on how to cancel your flight online.
How do I find cheap flights from Sea-Tac Airport to DLH that have flexible change policies?
Select our "No change fees" filter to find flexible ticketing options for your flight from Sea-Tac Airport to Duluth Intl. Airport (DLH). This allows you to secure a good price ahead of time and still have the freedom to make changes without any extra fees. Fare adjustments may apply if your new flight is more expensive.
How many hours is the flight from Sea-Tac Airport to Duluth Intl. Airport (DLH)?
Consider bringing your own on-board entertainment (like some downloaded podcasts), as it takes around 5 hours and 11 minutes to reach Duluth Intl. Airport (DLH) from SEA. A good set of noise-cancelling headphones will be handy too.
How far is the flight from SEA to Duluth Intl. Airport (DLH)?
The flying distance from Seattle - Tacoma Intl. Airport (SEA) to Duluth Intl. Airport is 2,300 kilometres. Work your way through your travel song playlist or read a good book and the journey will zip on by.
Which airlines fly direct from Sea-Tac Airport to DLH?
You won't find any airlines operating directly between Sea-Tac Airport and Duluth Intl. Airport (DLH), so be ready to make at least one stop on your journey. A layover can be a good way to break up a trip!
Are Sea-Tac Airport to Duluth Intl. Airport (DLH) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Sea-Tac Airport to Duluth Intl. Airport (DLH) can be hit-or-miss. It is possible to find a bargain, but then again, you could miss out! If you'd prefer to start planning your trip early on, Expedia compares flight deals up to a year in advance. Just remember that not all airlines advertise their prices that far in advance. Our top tip? Check back often as prices are updated regularly.

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