Seattle-Tacoma International (SEA) to Narita International (NRT). Served by Delta, ANA.
| Departure | Return | Price |
|---|---|---|
| 08/05/2026 | 08/13/2026 | $1190 |
| 08/03/2026 | 08/12/2026 | $1209 |
| 08/04/2026 | 08/12/2026 | $1209 |
| 08/05/2026 | 08/12/2026 | $1209 |
| 07/05/2026 | 07/14/2026 | $1212 |
| 07/12/2026 | 07/21/2026 | $1212 |
| 07/13/2026 | 07/21/2026 | $1212 |
| 07/14/2026 | 07/21/2026 | $1212 |
| 07/15/2026 | 07/24/2026 | $1212 |
| 08/05/2026 | 08/14/2026 | $1215 |
Based on current fares, August is the cheapest month to fly from Seattle to Tokyo, with average fares around $1233 round trip (as low as $1190).
See the full month-by-month and day-of-week price analysis
Best Time to Fly SEA → NRTDeparture date prices (economy, round trip). Green = cheap, red = expensive.
The cheapest month to fly from Seattle to Tokyo is August, with average round-trip fares around $1233. Fares in August start as low as $1190. The most expensive month is May, averaging $1471.
A nonstop flight from Seattle to Tokyo takes approximately 10h 30m.
Delta and ANA fly from SEA to NRT. That's 2 airlines serving this route.
The cheapest flight from Seattle to Tokyo currently starts at $1190 round trip in economy class.
The average round-trip flight price from Seattle to Tokyo is $1426 in economy class.
The distance is 4793 miles (7712 km). with a nonstop flight time of about 10h 30m. Airlines on this route include Delta, ANA. The lowest fare currently available is $1190 departing in August. The average round-trip fare is $1426.
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