Cheap flights from Seattle to Duluth (SEA - DLH)

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The best prices from Seattle to Duluth 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
21.2 - 77 °F
DLH
Precipitation
0.7 - 4.1 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 to Duluth

One-way from

$108

One-way flight from Seattle to Duluth

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?

Monday flights are found to be more expensive to fly from Seattle to Duluth. 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 Duluth.

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

Our data shows that April tends to be the cheapest month to fly to Duluth from Seattle. Users have commonly found prices around $337 for the month, but tickets can be as low as $176. Due to multiple factors, prepare for potentially higher prices in July.

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 August, September 2021

The best prices found for SEA to DLH flights for August, September
27 Aug - 29 Aug
$332pp
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
DLH
Duluth Intl
DLH
Duluth Intl
United Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
27 Aug - 29 Aug
$336pp
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
DLH
Duluth Intl
DLH
Duluth Intl
United Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
3 Aug - 17 Aug
$432pp
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
DLH
Duluth Intl
DLH
Duluth Intl
United Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle to Duluth 2021 flight deals

Cheap flights to Duluth from Seattle found for this year
22 Oct - 29 Oct
$250pp
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
DLH
Duluth Intl
DLH
Duluth Intl
United Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
21 Oct - 29 Oct
$260pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
DLH
Duluth Intl
DLH
Duluth Intl
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
18 Oct - 22 Oct
$281pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
DLH
Duluth Intl
DLH
Duluth Intl
Delta
 
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
10 Aug - 17 Aug
$591pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
DLH
Duluth Intl
DLH
Duluth Intl
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
11 Aug - 17 Aug
$676pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
DLH
Duluth Intl
DLH
Duluth Intl
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
11 Aug - 17 Aug
$769pp
SEA
Seattle/Tacoma Intl
United Airlines
   
2 STOPS
DLH
Duluth Intl
DLH
Duluth Intl
United Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

One-way flights to Duluth from Seattle

The cheapest one-way flights from Seattle to Duluth
8:50 pm - 6:26 am
Delta
1 Stop
7h 36m
SEA - DLH
Delta
$108
Delta
7:55 pm - 6:52 am
United Airlines
1 Stop
8h 57m
SEA - DLH
United Airlines
$123
United
7:55 pm - 6:52 am
United Airlines
1 Stop
8h 57m
SEA - DLH
United Airlines
$128
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

Are flight prices decreasing from Seattle to Duluth due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Seattle and Duluth for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

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 $322.

Are there nonstop flights from Seattle to Duluth for under $200 on Cheapflights?

There are no nonstop flights from Seattle to Duluth, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Seattle to Duluth for under $600?

There are currently 9+ open flights from Seattle to Duluth within the next 7 days for less than $600.

Does it rain more in Seattle or Duluth?

When traveling, we recommend packing in preparation to handle common weather conditions. The rainfall in Seattle is typically less than Duluth. We can gather that this will continue over the next 9 days.

Is Seattle weather warmer or cooler than Duluth?

We forecast the temperature to be around the 77 °F's in July, on average. The temperature in Duluth is generally the same as in Seattle. Book flights in a timely manner in correlation to your departure date.

How long is the flight from Seattle to Duluth?

Delta and United Airlines can get you from Seattle to Duluth in just under 7h 20m. Your travel time can differ by up to 1h 28m. This flight may include one or multiple stops.

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

Cheapflights users have booked flights from Seattle to Duluth round-trip from $245. Another airline that can offer you cheap pricing is United Airlines. These flights start at 31% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Seattle to Duluth one-way?

To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $108. Delta is not the only option available. At the moment, United Airlines is another option, for $123.

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 August in Duluth
77.0 °F
Avg rainfall for August in Duluth
3.7 ″

Airports servicing Seattle

Airports servicing Duluth

Top 3 airlines flying from Seattle to Duluth

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
United Airlines
$180 $375 No cancel fee 69%
American Airlines
$198 $380 No cancel fee 71%
Delta
$171 $480 No cancel fee N/A
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