$256 Cheap United flights Seattle (SEA) to Duluth (DLH)

View $256 flight on Thu, Jul 17, 2025Opens in a new window

$256 Cheap United flights Seattle (SEA) to Duluth (DLH)

Prices were available within the past 7 days and start at $256 for one-way flights and $444 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
United
Thu, Jul 17 - Sun, Jul 20
SEA
Seattle
DLH
Duluth
$444
Roundtrip
Found 3 days ago
Select United flight, departing Thu, Jul 17 from Seattle to Duluth, returning Sun, Jul 20, priced at $444 Found 3 days ago
United
Thu, Jul 17 - Sun, Jul 20
SEA
Seattle
DLH
Duluth
$484
Roundtrip
Found 3 days ago
Select United flight, departing Thu, Jul 17 from Seattle to Duluth, returning Sun, Jul 20, priced at $484 Found 3 days ago
United
Thu, Jul 17 - Sun, Jul 20
SEA
Seattle
DLH
Duluth
$524
Roundtrip
Found 3 days ago
Select United flight, departing Thu, Jul 17 from Seattle to Duluth, returning Sun, Jul 20, priced at $524 Found 3 days ago
United
Thu, Jul 17 - Sun, Jul 20
SEA
Seattle
DLH
Duluth
$556
Roundtrip
Found 3 days ago
Select United flight, departing Thu, Jul 17 from Seattle to Duluth, returning Sun, Jul 20, priced at $556 Found 3 days ago
United
Thu, Jul 17 - Sun, Jul 20
SEA
Seattle
DLH
Duluth
$611
Roundtrip
Found 3 days ago
Select United flight, departing Thu, Jul 17 from Seattle to Duluth, returning Sun, Jul 20, priced at $611 Found 3 days ago
United
Thu, Jul 17 - Sun, Jul 20
SEA
Seattle
DLH
Duluth
$650
Roundtrip
Found 3 days ago
Select United flight, departing Thu, Jul 17 from Seattle to Duluth, returning Sun, Jul 20, priced at $650 Found 3 days ago
Flights from Seattle (SEA) to Duluth (DLH)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Duluth Intl.
Distance
2251 km