Find Deals on Flights from Seattle/Tacoma Intl to Duluth International (SEA - DLH)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Seattle/Tacoma Intl to Duluth International

(Round-trip)
Depart: Tue Mar 14 2017 Return: Wed Mar 15 2017 Trip spans 2 days
Delta
Delta
SEA
8:40p
DLH
5:01a
8h 21m
1 stop
DLH
1:57p
SEA
7:44p
5h 47m
1 stop
Depart: Tue Apr 11 2017 Return: Mon Apr 17 2017 Trip spans 7 days
United
United
SEA
9:48a
DLH
4:42p
6h 54m
1 stop
DLH
2:30a
SEA
9:34a
7h 04m
1 stop
Depart: Sat Mar 11 2017 Return: Mon Mar 13 2017 Trip spans 2 days
Major Airline
Major Airline
SEA
1:38p
DLH
10:50p
9h 12m
1 stop
DLH
3:28a
SEA
11:44p
20h 16m
1 stop
Depart: Wed Mar 15 2017 Return: Fri Mar 17 2017 Trip spans 3 days
United
United
SEA
8:30a
DLH
4:42p
8h 12m
1 stop
DLH
10:30a
SEA
8:02p
9h 32m
1 stop
Depart: Wed Apr 12 2017 Return: Thu Apr 13 2017 Trip spans 2 days
United
United
SEA
7:20p
DLH
4:50a
9h 30m
1 stop
DLH
10:35a
SEA
8:15p
9h 40m
1 stop
Depart: Wed Mar 8 2017 Return: Wed Mar 15 2017 Trip spans 7 days
Delta
Delta
SEA
7:40p
DLH
4:01a
8h 21m
1 stop
DLH
1:57p
SEA
7:44p
5h 47m
1 stop
Depart: Sat Jun 3 2017 Return: Sat Jun 10 2017 Trip spans 8 days
Major Airline
Major Airline
SEA
1:00a
DLH
1:48a
0h 48m
1 stop
DLH
1:00a
SEA
5:48a
4h 48m
1 stop
Depart: Mon Apr 10 2017 Return: Mon Apr 17 2017 Trip spans 8 days
United
United
SEA
7:20p
DLH
4:50a
9h 30m
1 stop
DLH
7:20a
SEA
4:37p
9h 17m
1 stop
Depart: Thu Mar 9 2017 Return: Tue Mar 14 2017 Trip spans 5 days
Delta
Delta
SEA
1:30a
DLH
8:14a
6h 44m
1 stop
DLH
1:57p
SEA
7:44p
5h 47m
1 stop
Depart: Fri Apr 14 2017 Return: Mon Apr 17 2017 Trip spans 4 days
United
United
SEA
7:20p
DLH
4:50a
9h 30m
1 stop
DLH
7:20a
SEA
4:37p
9h 17m
1 stop
Depart: Fri Apr 7 2017 Return: Tue Apr 11 2017 Trip spans 5 days
Delta
Delta
SEA
8:45p
DLH
4:50a
8h 05m
1 stop
DLH
1:15a
SEA
8:41a
7h 26m
1 stop
Depart: Sun Apr 9 2017 Return: Mon Apr 17 2017 Trip spans 9 days
United
United
SEA
7:20p
DLH
4:50a
9h 30m
1 stop
DLH
2:30a
SEA
9:34a
7h 04m
1 stop
Depart: Fri Mar 10 2017 Return: Tue Mar 14 2017 Trip spans 4 days
United
United
SEA
7:30a
DLH
3:42p
8h 12m
1 stop
DLH
7:20a
SEA
5:22p
10h 02m
1 stop
Depart: Thu Apr 13 2017 Return: Fri Apr 14 2017 Trip spans 2 days
Delta
Delta
SEA
8:45p
DLH
4:52a
8h 07m
1 stop
DLH
1:50p
SEA
7:40p
5h 50m
1 stop
Depart: Fri Jun 2 2017 Return: Sat Jun 10 2017 Trip spans 9 days
United
United
SEA
8:30p
DLH
4:50a
8h 20m
1 stop
DLH
10:40a
SEA
8:03p
9h 23m
1 stop
Depart: Wed Aug 30 2017 Return: Mon Sep 4 2017 Trip spans 6 days
United
United
SEA
9:45a
DLH
4:38p
6h 53m
1 stop
DLH
7:25a
SEA
4:40p
9h 15m
1 stop
Depart: Mon Mar 13 2017 Return: Fri Mar 17 2017 Trip spans 5 days
United
United
SEA
9:50a
DLH
4:50a
19h 00m
2 stops
DLH
10:30a
SEA
8:02p
9h 32m
1 stop
Depart: Sat Apr 8 2017 Return: Mon Apr 17 2017 Trip spans 10 days
United
United
SEA
9:48a
DLH
4:42p
6h 54m
1 stop
DLH
7:20a
SEA
4:37p
9h 17m
1 stop
Depart: Fri Mar 17 2017 Return: Mon Mar 20 2017 Trip spans 4 days
United
United
SEA
7:05p
DLH
8:00a
12h 55m
1 stop
DLH
10:30a
SEA
8:02p
9h 32m
1 stop
Depart: Sun Mar 12 2017 Return: Tue Mar 14 2017 Trip spans 3 days
United
United
SEA
10:04a
DLH
4:50a
18h 46m
2 stops
DLH
2:30a
SEA
9:26a
6h 56m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

Seattle
$376
Destination

Duluth
$376