Cheap flights from Seattle to Duluth (SEA - DLH)

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The best prices from Seattle/Tacoma Intl to Duluth Intl are usually found in February or August, booked 32 days in advance, depart on a Friday or Monday and return on a Wednesday

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

All the information you need to plan the best SEA to DLH flight in 2021: compare Seattle to Duluth flight prices with the expected peak season, weather and rainfall in Duluth.
SEA - DLH
Price
$218 - $555
DLH
Temperature
12.2 - 66.2 °F
DLH
Precipitation
0.6 - 3.6 inches

Popular in

May

High demand for flights, 36% potential price rise

Cheapest in

February

Best time to find cheap flights, 39% potential price drop

Round-trip from

$218

From Seattle/Tacoma Intl to Duluth Intl

One-way from

$123

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

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Seattle to Duluth?

Flying to your destination on a Monday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Duluth. Check prices with Cheapflights to find a great deal for your trip.

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

To save up to 51% on this flight, we recommend booking at least 32 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Seattle to Duluth from $406 1-2 weeks out and tickets from $462 for flights departing within the next 72 hours.

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

February can be a great time to fly to Duluth from Seattle with a flight ticket averaging about $356. Cheapflights users have found deals in the month of February for as cheap as $143. The most expensive prices can be found in the month of May.

When is the cheapest time to fly from Seattle to Duluth (SEA - DLH)?

It’s typically best to fly out from Seattle to Duluth in the evening. Doing so could potentially save you 25% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap flights from Seattle to Duluth in October, November 2021

The best prices found for SEA to DLH flights for October, November
3 Nov - 13 Nov
$245pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
DLH
Duluth Intl
DLH
Duluth Intl
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
10 Nov - 19 Nov
$261pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
DLH
Duluth Intl
DLH
Duluth Intl
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
7 Nov - 13 Nov
$270pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
DLH
Duluth Intl
DLH
Duluth Intl
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to Duluth 2021 flight deals

Cheap flights to Duluth from Seattle found for this year
7 Dec - 16 Dec
$245pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
DLH
Duluth Intl
DLH
Duluth Intl
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
10 Nov - 21 Nov
$261pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
DLH
Duluth Intl
DLH
Duluth Intl
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
7 Dec - 15 Dec
$268pp
SEA
Seattle/Tacoma Intl
United Airlines
   
2 STOPS
DLH
Duluth Intl
DLH
Duluth Intl
United Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle to Duluth

Late deals on round-trip flights to Duluth from Seattle, departing today and this week
3 Nov - 13 Nov
$245pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
DLH
Duluth Intl
DLH
Duluth Intl
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
5 Nov - 16 Nov
$294pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
DLH
Duluth Intl
DLH
Duluth Intl
Delta
   
2 STOPS
SEA
Seattle/Tacoma Intl
5 Nov - 14 Nov
$305pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
DLH
Duluth Intl
DLH
Duluth Intl
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl

One-way flights to Duluth Intl from Seattle

The cheapest one-way flights from Seattle to Duluth
8:43 am - 6:45 pm
Delta
1 Stop
8h 02m
SEA - DLH
Delta
$123
Delta
7:50 pm - 5:09 am
Delta
1 Stop
7h 19m
SEA - DLH
Delta
$269
Delta
3:30 am - 9:29 am
United Airlines
2 Stops
27h 59m
SEA - DLH
United Airlines
$216
United

Related info for your journey

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

Flight FAQs

From Seattle to Duluth

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

Delta, United Airlines, and American Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Seattle to Duluth for under $300 on Cheapflights?

Yes, there are multiple flights from Seattle to Duluth for under $300. The cheapest flight booked recently is on Delta for just $245, but on average you can expect to pay $296.

Are there last-minute flights available from Seattle to Duluth for under $300?

There are currently 10+ open flights from Seattle to Duluth within the next 7 days for less than $300.

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

According to our current data, Delta ($245), and United Airlines ($268) offers the cheapest pricing from Seattle to Duluth. You may be able to fly from Seattle to Duluth for 31% less than the average price by searching for these airlines.

What are the cheapest flights from Seattle to Duluth?

Looking for the cheapest flight from Seattle to Duluth? While on average our users pay $589, our data indicates the cheapest price to be $173. The most popular route (Seattle/Tacoma Intl - Duluth Intl), is priced around $377.

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

Consider American Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from Seattle to Duluth.

COVID Restrictions

View COVID Travel Restrictions for Duluth, MN

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

Information is based on travel restrictions for travel to Duluth Intl within the United States

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

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Duluth Intl.

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

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

Returning to Seattle/Tacoma Intl from Duluth Intl

COVID-19 testing requirements
Visitors from Duluth Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Seattle/Tacoma Intl.

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

Hide COVID Travel Restrictions for Duluth, MN

Alternative routes for Seattle to Duluth

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

Destination information for Duluth

Things to know before you go - useful duration and weather info for your trip from Seattle to Duluth.
Average temperature for October in Duluth
53.6 °F
Avg rainfall for October in Duluth
2.8 ″

Airports servicing Seattle

Airports servicing Duluth

Top 3 airlines flying from Seattle/Tacoma Intl to Duluth Intl

The chart below displays the airlines Cheapflights users traveling from Seattle to Duluth choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Delta
$171 $480 No cancel fee N/A
United Airlines
$180 $375 No cancel fee 69%
American Airlines
$198 $380 No cancel fee 71%
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