Seattle to Hong Kong flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Seattle to Hong Kong is €355 with Air Canada (checked on 6 Nov 2026).
Your next trip, last seen at €355

When to fly
Explore datesMore dates worth a look
Last seen for 1 traveller on 6 Nov 2026. Check today's price.
Find the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- 1 Mar€382
- 2 Mar€373
- 3 Mar€408
- 4 Mar€408
- 6 Mar€373
- 7 Mar€384
- 8 Mar€383
- 9 Mar€380
- 10 Mar€395
- 11 Mar€383
- 13 Mar€385
- 14 Mar€384
- 15 Mar€401
- 16 Mar€380
- 18 Mar€380
- 20 Mar€380
- 21 Mar€382
- 22 Mar€355
- 23 Mar€379
- 24 Mar€381
- 25 Mar€379
- 28 Mar€384
- 29 Mar€408
- 30 Mar€408
- Lowest observed
- €355, departing 22 Mar 2027 (Last checked: 6 Nov 2026)One-way fare · Priced departure days checked in the last 14 days: 92Check live prices for this route
- Airlines seen
- Cathay Pacific, Air Canada, Air Premia, Alaska Airlines, ANA, Asiana Airlines, China Airlines, Hainan Airlines, Hong Kong Airlines, Korean Air, Philippine Airlines, STARLUX Airlines, Turkish Airlines, United Airlines (14)
- Fastest observed flight time
- 14h 20m
- Non-stop
- Yes
About this route
Explore the fares we observed from Seattle to Hong Kong. Prices move often, so pick your dates to see the latest options.
- Route distance
- 10,414 km
- Fastest observed flight time
- 14h 20m
- Airlines seen
- Cathay Pacific, Air Canada, Air Premia, Alaska Airlines, ANA, Asiana Airlines, China Airlines, Hainan Airlines, Hong Kong Airlines, Korean Air, Philippine Airlines, STARLUX Airlines, Turkish Airlines, United Airlines (14)
- Alternative airports
- BFI
Route-level information; individual journeys vary.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- King County International Airport - Boeing Field (BFI) → Seattle, city gazetteer reference point (47.6062, -122.3321): ≈ 9 km.
- Seattle–Tacoma International Airport (SEA) → Seattle, city gazetteer reference point (47.6062, -122.3321): ≈ 18 km.
- Hong Kong International Airport (HKG) → Hong Kong, city gazetteer reference point (22.3193, 114.1694): ≈ 26 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
Cheapest month from Seattle to Hong Kong: March 2027, from €355 (checked 6 Nov 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| November 2026 | €372 | 17 |
| December 2026 | €375 | 5 |
| January 2027 | €374 | 23 |
| February 2027 | €373 | 23 |
| March 2027 | €355 | 24 |
Lowest fare by day of the week
Cheapest day of the week from Seattle to Hong Kong: Monday, from €355 (checked 6 Nov 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €355 | 15 |
| Tuesday | €372 | 18 |
| Wednesday | €373 | 13 |
| Thursday | €372 | 17 |
| Friday | €408 | 4 |
| Saturday | €373 | 14 |
| Sunday | €373 | 11 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Seattle to Hong Kong by days until departure (61 days or more): €355 (checked 6 Nov 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 0 to 7 days | €372 | 8 |
| 8 to 30 days | €372 | 12 |
| 31 to 60 days | €377 | 6 |
| 61 days or more | €355 | 66 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Lowest one-way fare we saw per airline
Cheapest airline from Seattle to Hong Kong: Air Canada, from €355 (checked 6 Nov 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Air Canada | €355Mar 22, 2027 | 7 |
| Hainan Airlines | €372Nov 10, 2026 | 38 |
| Philippine Airlines | €373Nov 11, 2026 | 25 |
| Korean Air | €382Feb 10, 2027 | 15 |
| Alaska Airlines | €387Jan 11, 2027 | 7 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Seattle to Hong Kong?
The lowest fare Routavio has observed is €355, found on 6 Nov 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Seattle to Hong Kong?
Cheapest month from Seattle to Hong Kong: March 2027, from €355 (checked 6 Nov 2026).
Are there direct flights from Seattle to Hong Kong?
Yes. Published schedules report non-stop flights on this route with Cathay Pacific.
Which airlines fly from Seattle to Hong Kong?
Routavio has seen these carriers on the route: Cathay Pacific, Air Canada, Air Premia, Alaska Airlines, ANA, Asiana Airlines, China Airlines, Hainan Airlines, Hong Kong Airlines, Korean Air, Philippine Airlines, STARLUX Airlines, Turkish Airlines, United Airlines (14).
How long does the flight from Seattle to Hong Kong take?
Across the 120 fares Routavio observed, the average journey time is 22h 35m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Seattle to Hong Kong fares were non-stop?
1 of the 122 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
Which day of the week is cheapest from Seattle to Hong Kong?
Cheapest day of the week from Seattle to Hong Kong: Monday, from €355 (checked 6 Nov 2026).
Which airline has the lowest fare from Seattle to Hong Kong?
Cheapest airline from Seattle to Hong Kong: Air Canada, from €355 (checked 6 Nov 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.

