Cheap flights from Duluth to Seattle from $244
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Duluth to Seattle departing on 8/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Duluth to Seattle
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Seattle?
In general, September is the cheapest month to fly from Duluth to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $258. If you don’t want to visit Seattle in September, then you should wait until November to fly from Duluth, when ticket prices are also cheap, with an average price of $308.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Duluth is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $369. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Duluth because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $571.
When to book flights from Duluth to Seattle
Cheap Duluth to Seattle (DLH to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Duluth to Seattle
How far is Duluth Intl to Seattle/Tacoma Intl by plane?
The distance between Duluth Intl and Seattle/Tacoma Intl is about 1410.5 mi. Flights usually cover this in 5h 30m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Duluth Intl Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Duluth Intl Airport to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Duluth Intl Airport to Seattle/Tacoma Intl Airport?
The number of operators available for flights from Duluth Intl Airport to Seattle/Tacoma Intl Airport is 2 as of June 2025.
How old do you have to be to fly from Duluth Intl Airport to Seattle/Tacoma Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Duluth Intl Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Duluth to Seattle?
Based on momondo bookings for flights between Duluth and Seattle, the leading airline is Delta, making up 84% of the total bookings. Other popular airlines include Sun Country Air with 16%.
Best airlines flying from Duluth to Seattle
Compare and see reviews for airlines that fly from Duluth to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $93 | Free Cancellation | Rating 6.9 345 reviews | |||
| PriceFrom $248 | Free Cancellation | Rating 8.0 7,965 reviews |
Traveling to a place near Seattle?
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Why should I use momondo to find a flight deal from Duluth to Seattle?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Duluth to Seattle. momondo saves you time and could save you money on your trip.
Can I find flights from Duluth to Seattle with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Duluth to Seattle flights to just show those with flexible booking policies.
How can momondo help me find flights from Duluth to Seattle?
Once you have performed a search for Duluth to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Duluth to Seattle right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Duluth to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.