CA $333 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 $333 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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

September is typically the cheapest month to fly

From CA $291 - CA $815 per traveller.

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 . 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.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Duluth Intl.
Distance
2251 km

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