Cheap flights from Duluth to Seattle (DLH - SEA)

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The best prices from Duluth Intl to Seattle/Tacoma Intl are usually found in August or January, booked 22 days in advance, depart on a Monday or Saturday and return on a Sunday

How to find the cheapest flight from
Duluth (DLH) to Seattle (SEA)

All the information you need to plan the best DLH to SEA flight in 2022: compare Duluth to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
DLH - SEA
Price
$263 - $456
SEA
Temperature
41 - 66.2 °F
SEA
Rainfall
0.7 - 6.6 inches

Popular in

October

High demand for flights, 28% potential price rise

Cheapest in

August

Best time to find cheap flights, 19% potential price drop

Round-trip from

$263

From Duluth Intl to Seattle/Tacoma Intl

One-way from

$249

One-way flight from Duluth Intl to Seattle/Tacoma Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
When is the cheapest time to fly from Duluth to Seattle (DLH - SEA)?

When flying from Duluth to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 65% versus a flight in the morning.

How far in advance should I book a flight from Duluth to Seattle?

To save up to 38% on this flight, we recommend booking at least 22 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Duluth to Seattle from $363 1-2 weeks out and tickets from $463 for flights departing within the next 72 hours.

What is the cheapest day to fly round-trip from Duluth to Seattle?

Saturday flights are generally found to be more expensive for flights from Duluth to Seattle. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Seattle.

What is the cheapest month to fly from Duluth to Seattle?

Due to multiple factors, expect to potentially pay more when booking in October. For low rates, August can be a great choice for travel to Seattle. Flights to Seattle from Duluth in August are about $326 on average during August, but can be found for as low as $179.

Cheap flights from Duluth to Seattle in May, June 2022

The best prices found for DLH to SEA flights for May, June
20 May - 21 May
$808pp
DLH
Duluth Intl
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
DLH
Duluth Intl
8 Jun - 11 Jun
$903pp
DLH
Duluth Intl
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
DLH
Duluth Intl
23 May - 23 May
$938pp
DLH
Duluth Intl
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
DLH
Duluth Intl

Duluth Intl to Seattle 2022 flight deals

Cheap flights to Seattle from Duluth found for this year
1 Sep - 6 Sep
$740pp
DLH
Duluth Intl
United Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
DLH
Duluth Intl
6 Aug - 1 Sep
$787pp
DLH
Duluth Intl
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
DLH
Duluth Intl
1 Sep - 6 Sep
$798pp
DLH
Duluth Intl
United Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
United Airlines
   
2 STOPS
DLH
Duluth Intl

Last minute flights from Duluth to Seattle

Late deals on round-trip flights to Seattle from Duluth, departing today and this week
23 May - 23 May
$938pp
DLH
Duluth Intl
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
DLH
Duluth Intl
23 May - 23 May
$964pp
DLH
Duluth Intl
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
   
2 STOPS
DLH
Duluth Intl
23 May - 23 May
$1,323pp
DLH
Duluth Intl
Delta
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
   
2 STOPS
DLH
Duluth Intl

One-way flights to Seattle/Tacoma Intl from Duluth

The cheapest one-way flights from Duluth to Seattle
1:15 am - 4:40 am
Delta
1 Stop
5h 25m
DLH - SEA
Delta
$249
Delta
10:22 am - 4:05 pm
Delta
1 Stop
7h 43m
DLH - SEA
Delta
$299
Delta
1:30 pm - 7:18 pm
Delta
1 Stop
7h 48m
DLH - SEA
Delta
$408
Delta

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Duluth</span> to <span class="emphasized">Seattle</span> flights.

Flight FAQs

From Duluth to Seattle

Which airlines flying from Duluth Intl to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Delta, United Airlines, and American Airlines flying from Duluth Intl to Seattle/Tacoma Intl have implemented new flexible cancellation policies.

Can I find flights from Duluth to Seattle for under $800 on Cheapflights?

Yes, there are multiple flights from Duluth to Seattle for under $800. The cheapest flight booked recently is on United Airlines for just $740, but on average you can expect to pay $908.

Are there last-minute flights available from Duluth to Seattle for under $1,000?

There are currently 3+ open flights from Duluth to Seattle within the next 7 days for less than $1,000.

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

Currently priced at $740, United Airlines will fly you from Duluth to Seattle and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Delta for as low as $787.

What are the most popular airlines that fly from Duluth to Seattle?

The most popular airlines flying from Duluth to Seattle are American Airlines, Delta and Sun Country Air. Something to consider prior to booking your flight.

What are the cheapest flights from Duluth to Seattle?

Looking for the cheapest flight from Duluth to Seattle? While on average our users pay $844, our data indicates the cheapest price to be $498. The most popular route (Duluth Intl - Seattle/Tacoma Intl), is priced around $810.

COVID Restrictions

View COVID Travel Restrictions for Seattle, WA

Do I need a COVID test to fly to Seattle from Duluth?

Information is based on travel restrictions for travel to Seattle/Tacoma Intl within the United States

Most visitors from Duluth Intl need to provide a negative COVID-19 test result and/or quarantine to enter Seattle/Tacoma Intl.

COVID-19 testing requirements
Visitors from Duluth Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Duluth Intl are not required to quarantine after entering Seattle/Tacoma Intl.

Do I need a test to fly back to Duluth from Seattle?

Returning to Duluth Intl from Seattle/Tacoma Intl

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Duluth Intl.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Duluth Intl.

Hide COVID Travel Restrictions for Seattle, WA

Alternative routes for Duluth to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Seattle

Things to know before you go - useful duration and weather info for your trip from Duluth to Seattle.
Average temperature for May in Seattle
66.2 °F
Avg rainfall for May in Seattle
1.8 ″

Airports servicing Duluth

Airports servicing Seattle

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