United Cheap Flights from Seattle to Tokyo: UA SEA→NRT

View HK$3,448 flight on Tue, 10 Mar 2026Opens in a new window
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Prices were available within the past 7 days and start at HK$3,448 for one-way flights and HK$4,663 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, 10 Mar - Tue, 24 Mar
SEA
Seattle
NRT
Tokyo
HK$4,663 Return, found 4 days ago
HK$4,663
Return
found 4 days ago
Select United flight, departing Tue, 10 Mar from Seattle to Tokyo, returning Tue, 24 Mar, priced at HK$4,663 found 4 days ago
United
Tue, 10 Mar - Tue, 24 Mar
SEA
Seattle
NRT
Tokyo
HK$5,193 Return, found 4 days ago
HK$5,193
Return
found 4 days ago
Select United flight, departing Tue, 10 Mar from Seattle to Tokyo, returning Tue, 24 Mar, priced at HK$5,193 found 4 days ago
United
Mon, 1 Dec - Fri, 12 Dec
SEA
Seattle
NRT
Tokyo
HK$5,721 Return, found 6 days ago
HK$5,721
Return
found 6 days ago
Select United flight, departing Mon, 1 Dec from Seattle to Tokyo, returning Fri, 12 Dec, priced at HK$5,721 found 6 days ago
United
Tue, 10 Mar - Tue, 24 Mar
SEA
Seattle
NRT
Tokyo
HK$5,966 Return, found 4 days ago
HK$5,966
Return
found 4 days ago
Select United flight, departing Tue, 10 Mar from Seattle to Tokyo, returning Tue, 24 Mar, priced at HK$5,966 found 4 days ago
United
Sun, 3 May - Sun, 24 May
SEA
Seattle
NRT
Tokyo
HK$6,467 Return, found 14 hours ago
HK$6,467
Return
found 14 hours ago
Select United flight, departing Sun, 3 May from Seattle to Tokyo, returning Sun, 24 May, priced at HK$6,467 found 14 hours ago

Frequently asked questions

How much is a United Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Narita Intl. Airport (NRT)?
Grab budget-friendly return United Airlines flights from HK$4,663 from SEA to NRT by sorting your results from "Price (lowest to highest)" on Expedia. Or search for bargains from HK$3,448 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SEA to NRT with United Airlines?
January is one of the cheapest months to travel to Tokyo with United Airlines. You could also find great deals on one-way and return tickets in February.
Does United Airlines fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to Narita Intl. Airport (NRT)?
Click on the "Nonstop" filter when browsing for direct United Airlines flights from SEA to NRT. You can also compare other airlines offering the same nonstop trip.
What airports does United Airlines fly into in Tokyo?
United Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to Tokyo come in to Narita Intl. Airport (NRT). This is the main entry point to this destination.
Can I change or cancel my United Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Narita Intl. Airport (NRT)?
Changes are often free within 24 hours of making your booking, but your airline may add a charge after that time. For more information about modifying your reservation, check out your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to make changes without being charged, check the "Changes included" and "No cancel fee" filters when organising your next escape.

Travel information

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Narita Intl.
Airlines serving
Air Canada, All Nippon Airways, American Airlines, Asiana Airlines, China Airlines, Delta, EVA Airways, Japan Airlines, Korean Air, Philippine Airlines, Singapore Airlines, Turkish Airlines, United, WestJet
Popular airline
Japan Airlines
Distance
7611 km
Average flight time
26 hours 10 mins

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