Cheap Flights from Seattle (SEA) to Duluth (SUW)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Duluth, MN (SUW-Richard I. Bong)

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Alternative airports near Duluth

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Duluth Intl. DLH. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $258
DLH
Duluth Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $258

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Duluth, MN (SUW-Richard I. Bong) cost?
Snag a cheap one-way flight or cheap return flight from Seattle - Tacoma Intl. Airport (SEA) to Duluth, MN (SUW-Richard I. Bong) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Duluth, MN (SUW-Richard I. Bong)?
is the most affordable month to fly from SEA to SUW. Traveling during an off-peak travel window is often the key to finding a great deal.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Duluth, MN (SUW-Richard I. Bong)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from SEA to SUW. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Duluth, MN (SUW-Richard I. Bong)?
Direct flights from Seattle - Tacoma Intl. Airport (SEA) to Duluth, MN (SUW-Richard I. Bong) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SEA to SUW?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Duluth, MN (SUW-Richard I. Bong)?
To avoid possible delays on the Seattle - Tacoma Intl. Airport (SEA) to Duluth, MN (SUW-Richard I. Bong) route, aim to travel before 3 PM. Later flights have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Duluth, MN (SUW-Richard I. Bong) last-minute?
Holding off until just before your trip to book a ticket from SEA to SUW often results in higher prices. While you might find some last-minute deals, they aren't always guaranteed. Keep your travel plans flexible to boost your chances of landing a bargain.
Is it cheaper to book a SEA to SUW flight and hotel package?
You'll generally save money by securing a SEA to SUW flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've chosen your preferred accommodations and flights, consider other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Duluth, MN (SUW-Richard I. Bong)?
If you booked your SEA to SUW flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Richard I. Bong
Distance
1413 mi

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Seattle to Duluth Flights

The cheapest times to fly from Seattle to Duluth

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Duluth are during the month of . You can find some of the cheapest flights from Seattle to Duluth with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Duluth

Sunday is one of the best days to book for cheap flights from Seattle to Duluth: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Duluth

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Duluth in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Duluth flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Duluth airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seattle to Duluth Flights

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