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

View HK$3,802 flight on Mon, 28 Jul 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 35% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Prices were available within the past 7 days and start at HK$3,802 for one-way flights and HK$7,567 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, 27 Apr - Tue, 13 May
SEA
Seattle
NRT
Tokyo
HK$7,567 Return, found 5 days ago
HK$7,567
Return
found 5 days ago
Select United flight, departing Sun, 27 Apr from Seattle to Tokyo, returning Tue, 13 May, priced at HK$7,567 found 5 days ago
United
Sun, 27 Apr - Tue, 13 May
SEA
Seattle
NRT
Tokyo
HK$7,570 Return, found 5 days ago
HK$7,570
Return
found 5 days ago
Select United flight, departing Sun, 27 Apr from Seattle to Tokyo, returning Tue, 13 May, priced at HK$7,570 found 5 days ago
United
Sun, 27 Apr - Tue, 13 May
SEA
Seattle
NRT
Tokyo
HK$7,614 Return, found 5 days ago
HK$7,614
Return
found 5 days ago
Select United flight, departing Sun, 27 Apr from Seattle to Tokyo, returning Tue, 13 May, priced at HK$7,614 found 5 days ago
United
Sun, 27 Apr - Tue, 13 May
SEA
Seattle
NRT
Tokyo
HK$7,850 Return, found 5 days ago
HK$7,850
Return
found 5 days ago
Select United flight, departing Sun, 27 Apr from Seattle to Tokyo, returning Tue, 13 May, priced at HK$7,850 found 5 days ago
United
Sun, 27 Apr - Sun, 4 May
SEA
Seattle
NRT
Tokyo
HK$7,928 Return, found 3 days ago
HK$7,928
Return
found 3 days ago
Select United flight, departing Sun, 27 Apr from Seattle to Tokyo, returning Sun, 4 May, priced at HK$7,928 found 3 days ago
United
Thu, 3 Jul - Thu, 10 Jul
SEA
Seattle
NRT
Tokyo
HK$8,906 Return, found 7 hours ago
HK$8,906
Return
found 7 hours ago
Select United flight, departing Thu, 3 Jul from Seattle to Tokyo, returning Thu, 10 Jul, priced at HK$8,906 found 7 hours ago

Frequently asked questions

❓ How much is a flight ticket from Seattle (SEA) -Narita (NRT) with United?

✔️ Prices were available within the past 7 days and starts at HK$3,802 for one-way flights and HK$7,567 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.


❓Which month is the cheapest flight ticket for Seattle (SEA) to Narita (NRT) with United?

✔️ Air fares published on Expedia.com.hk over the past 7 days with lowest price for one-way departures in July and round-trip departures in April.

*Available to Expedia members.