Book a trip from Seattle to Hanoi with Cathay Pacific , fares from USD650
expand_more
1 Passenger(s), Economy
expand_moreDISCOUNT CODE (OPTIONAL)
expand_moretoday
today
Deals on Seattle (SEA) to Hanoi (HAN) flights
expand_more
location_on
location_on
Book flights to Hanoi HAN
flight_takeoff
flight_land
USD
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Seattle (SEA) | Hanoi (HAN) | Round-trip / Economy | 20/04/2026 - 11/05/2026 | From USD650 Seen 1 day ago | |
| Seattle (SEA) | Hanoi (HAN) | Round-trip / Economy | 09/04/2026 - 16/04/2026 | From USD808 Seen 4 hours ago | |
| Seattle (SEA) | Hanoi (HAN) | Round-trip / Economy | 10/04/2026 - 17/04/2026 | From USD1,170 Seen 5 hours ago | |
| Seattle (SEA) | Hanoi (HAN) | Round-trip / Economy | 18/07/2026 - 26/07/2026 | From USD1,290 Seen 1 day ago | |
| Seattle (SEA) | Hanoi (HAN) | Round-trip / Economy | 11/07/2026 - 19/07/2026 | From USD1,294 Seen 1 day ago |
Book Business Class flights to Hanoi - selected offers
flight_takeoff
flight_land
USD
Seattle (SEA)to
Hanoi (HAN)24/03/2026 - 04/04/2026FromUSD6,062Seen 1 day agoRound-tripBusinessSeattle (SEA)to
Hanoi (HAN)09/03/2026 - 22/03/2026FromUSD7,158Seen 9 hours agoRound-tripBusiness
Explore More Flights from Other Popular Origins
The Cathay Pacific experience
-
Spacious cabins and world-class service
-
Complete flexibility when you book
-
Fresher flavours, now ready for Business
-
Our intuitive digital experience