AirHint found the following cheapest return flights from Seattle (SEA) to Tokyo (NRT)
in September 2025 (see full year ).
Return flights
01 Sep
- 10 Sep
Korean Air
$ 676
01 Sep
- 09 Sep
Korean Air
$ 676
01 Sep
- 18 Sep
Korean Air
$ 676
07 Sep
- 25 Sep
Hawaiian Airlines
$ 691
direct
01 Sep
- 10 Sep
Alaska Airlines
$ 691
direct
09 Sep
- 15 Sep
Korean Air
$ 693
09 Sep
- 16 Sep
Korean Air
$ 694
04 Sep
- 19 Sep
Korean Air
$ 696
03 Sep
- 11 Sep
Hawaiian Airlines
$ 700
direct
01 Sep
- 09 Sep
Alaska Airlines
$ 700
direct
23 Sep
- 03 Oct
Alaska Airlines
$ 708
direct
28 Sep
- 08 Oct
United
$ 710
19 Sep
- 23 Oct
Korean Air
$ 711
14 Sep
- 15 Oct
Korean Air
$ 717
21 Sep
- 12 Oct
Philippine Airlines
$ 747
19 Sep
- 23 Oct
Hawaiian Airlines
$ 767
direct
22 Sep
- 06 Oct
United
$ 787
25 Sep
- 02 Oct
United
$ 789
21 Sep
- 12 Oct
Alaska Airlines
$ 791
direct
25 Sep
- 02 Oct
Hawaiian Airlines
$ 813
direct
Also check the deals for one-way flights from Seattle to Tokyo in September .
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers.
Only the cheapest flights are offered.
Select a price to book and secure these cheap prices.