Find Deals on Flights from Oslo & other airports to Seattle

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
Students
under 26
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Oslo & other airports to Seattle

(Round-trip)
Depart: Wed Apr 5 2017 Return: Thu Apr 20 2017 Trip spans 16 days
KLM
KLM
OSL
12:25p
SEA
4:12p
27h 47m
1 stop
SEA
9:45a
OSL
2:55a
17h 10m
1 stop
Depart: Tue Apr 4 2017 Return: Mon Apr 24 2017 Trip spans 21 days
Delta
Delta
OSL
2:30a
SEA
1:34a
23h 04m
2 stops
SEA
9:12a
OSL
11:00p
13h 48m
1 stop
Depart: Sun Apr 2 2017 Return: Tue Apr 18 2017 Trip spans 17 days
Brussels Airlines
Brussels Airlines
OSL
1:50p
SEA
2:30a
36h 40m
2 stops
SEA
4:00a
OSL
9:55a
29h 55m
2 stops
Depart: Mon Jul 17 2017 Return: Tue Aug 8 2017 Trip spans 23 days
British Airways
British Airways
OSL
3:45a
SEA
12:53a
21h 08m
2 stops
SEA
4:30a
OSL
9:55p
17h 25m
2 stops
Depart: Tue Apr 11 2017 Return: Fri Apr 28 2017 Trip spans 18 days
Delta
Delta
OSL
2:30a
SEA
1:27a
22h 57m
2 stops
SEA
9:12a
OSL
11:00p
13h 48m
1 stop
Depart: Mon Apr 10 2017 Return: Mon May 1 2017 Trip spans 22 days
KLM
KLM
OSL
12:25p
SEA
7:15p
30h 50m
2 stops
SEA
2:02p
OSL
2:55a
12h 53m
1 stop
Depart: Thu Apr 13 2017 Return: Fri Apr 28 2017 Trip spans 16 days
Delta
Delta
OSL
2:30a
SEA
1:27a
22h 57m
2 stops
SEA
9:12a
OSL
11:00p
13h 48m
1 stop
Depart: Wed Apr 12 2017 Return: Fri Apr 28 2017 Trip spans 17 days
Delta
Delta
OSL
2:30a
SEA
1:27a
22h 57m
2 stops
SEA
9:12a
OSL
3:05a
17h 53m
1 stop
Depart: Sun Apr 9 2017 Return: Mon Apr 24 2017 Trip spans 16 days
Brussels Airlines
Brussels Airlines
OSL
1:50p
SEA
1:49a
35h 59m
2 stops
SEA
4:00a
OSL
4:05a
24h 05m
2 stops
Depart: Mon Apr 3 2017 Return: Mon Apr 17 2017 Trip spans 15 days
Delta
Delta
OSL
7:50a
SEA
4:35a
20h 45m
2 stops
SEA
1:57p
OSL
3:15a
13h 18m
1 stop
Depart: Thu Apr 6 2017 Return: Tue Apr 25 2017 Trip spans 20 days
Delta
Delta
OSL
8:40a
SEA
4:45p
32h 05m
1 stop
SEA
7:15a
OSL
3:00a
19h 45m
2 stops
Depart: Mon May 15 2017 Return: Fri Jun 9 2017 Trip spans 26 days
Delta
Delta
OSL
2:30a
SEA
11:20p
20h 50m
2 stops
SEA
3:45a
OSL
12:35a
20h 50m
2 stops
Depart: Sat Jul 8 2017 Return: Mon Jul 17 2017 Trip spans 10 days
British Airways
British Airways
OSL
1:25p
SEA
4:15p
26h 50m
1 stop
SEA
3:15p
OSL
9:40a
18h 25m
1 stop
Depart: Fri Apr 7 2017 Return: Mon Apr 24 2017 Trip spans 18 days
Brussels Airlines
Brussels Airlines
OSL
2:45a
SEA
2:00a
23h 15m
2 stops
SEA
4:00a
OSL
4:05a
24h 05m
2 stops
Depart: Thu Jul 13 2017 Return: Wed Jul 26 2017 Trip spans 14 days
KLM
KLM
OSL
2:20a
SEA
3:21a
25h 01m
2 stops
SEA
9:44a
OSL
10:00a
24h 16m
1 stop
Depart: Fri Apr 28 2017 Return: Wed May 31 2017 Trip spans 34 days
Delta
Delta
OSL
2:35a
SEA
4:45p
14h 10m
1 stop
SEA
3:45a
OSL
12:35a
20h 50m
2 stops
Depart: Sat Apr 8 2017 Return: Tue Apr 18 2017 Trip spans 11 days
Brussels Airlines
Brussels Airlines
OSL
8:15a
SEA
2:00a
41h 45m
2 stops
SEA
4:00a
OSL
9:55a
29h 55m
2 stops
Depart: Sat Apr 29 2017 Return: Wed May 31 2017 Trip spans 33 days
Delta
Delta
OSL
10:10a
SEA
9:15p
35h 05m
2 stops
SEA
7:15a
OSL
3:15a
20h 00m
2 stops
Depart: Sun Apr 30 2017 Return: Wed May 31 2017 Trip spans 32 days
Delta
Delta
OSL
7:50a
SEA
4:03p
32h 13m
1 stop
SEA
5:30a
OSL
3:15a
21h 45m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

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

We compile tonnes of data for you
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.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Oslo
$396
Destination

Seattle
$396