Seattle to Hong Kong BFI, SEA → HKG
Boeing Field International Airport (BFI), Seattle-Tacoma International Airport (SEA) → Hong Kong International Airport (HKG)
The cheapest return found recently is $873 with Air Canada, 12 Nov – 19 Nov, found 6 days ago. The cheapest one-way found recently is $496 with Air Canada, 28 Dec, found 2 days ago.
Return
Not enough comparable prices yet for a usual return price.
Cheapest return found recently
$873
12 Nov – 19 Nov · Air Canada
Seattle-Tacoma International Airport (SEA) → Hong Kong International Airport (HKG)
Leaves 7:05 p.m. · Return leaves 9:20 a.m. · 56 h 52 min of travel, both ways together
out 2 stops, back 2 stops
found 6 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$873 12 Nov – 19 Novfound 6 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 19 days, 27 Sept to 18 Oct, the cheapest return we saw each day was $790 to $982.
19 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Not enough comparable prices yet: we hold return fares on 2 departure dates and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other 7-night return fares leaving within 3 days of 12 Nov to compare.
Every date we hold
2 fares on 2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 6 Nov – 13 Nov | $982 | Alaska Airlines | Seattle-Tacoma International Airport (SEA) → Hong Kong International Airport (HKG) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 12 Nov – 19 Nov | $873 | Air Canada | Seattle-Tacoma International Airport (SEA) → Hong Kong International Airport (HKG) | out 2 stops, back 2 stops | found 6 days ago | See prices for these dates |
Airlines on the cheapest dates: Alaska Airlines, Air Canada.
One-way
The cheapest one-way fare on each of 7 departure dates is usually $463 to $973.
Cheapest one-way found recently
$496
28 Dec · Air Canada
Seattle-Tacoma International Airport (SEA) → Hong Kong International Airport (HKG)
Leaves 8:40 a.m. · 28 h 30 min trip
stops unknown
found 2 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$496 28 Decfound 2 days agoOpen this trip
$375 2 Jan 2027found 5 days agoOpen this trip
What have prices looked like?
Over 17 days, 2 Oct to 18 Oct, the cheapest one-way we saw each day was $375 to $948.
17 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 7 departure dates from 1 Dec to 2 Jan 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
No. We hold one-way fares on 3 other departure dates within 3 days of 28 Dec, and none is cheaper.
Every date we hold
9 fares on 7 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 1 Dec | $430 | Hainan Airlines | Seattle-Tacoma International Airport (SEA) → Hong Kong International Airport (HKG) | 1 stop | found 4 days ago | Open this trip |
| 2 Dec | $948 | SeaPort Airlines | Boeing Field International Airport (BFI) → Hong Kong International Airport (HKG) | 3 stops | found 4 days ago | Open this trip |
| 28 Dec | $496 | Air Canada | Seattle-Tacoma International Airport (SEA) → Hong Kong International Airport (HKG) | stops unknown | found 2 days ago | Open this trip |
| 29 Dec | $1,220 | SeaPort Airlines | Boeing Field International Airport (BFI) → Hong Kong International Airport (HKG) | 3 stops | found 5 days ago | Open this trip |
| 30 Dec | $966 | SeaPort Airlines | Boeing Field International Airport (BFI) → Hong Kong International Airport (HKG) | 2 stops | found 5 days ago | Open this trip |
| 31 Dec | $979 | SeaPort Airlines | Boeing Field International Airport (BFI) → Hong Kong International Airport (HKG) | 3 stops | found 5 days ago | Open this trip |
| 2 Jan 2027 | $375 | United Airlines | Seattle-Tacoma International Airport (SEA) → Hong Kong International Airport (HKG) | stops unknown | found 5 days ago | Open this trip |
Which month looks cheapest?
January 2027 is the cheapest month — from $375.
Airlines on the cheapest dates: SeaPort Airlines, Hainan Airlines, Air Canada, United Airlines.
Premium cabin fares from Seattle to Hong Kong
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 12 Nov – 19 Nov in another cabin: Premium economy · Business · First
Today's prices for 28 Dec in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Seattle to Hong Kong?
Return
Not enough history yet: in 19 days of return prices, 27 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.
One-way
The cheapest fares were 30 to 59 days before departure.
From the cheapest one-way each day between 2 Oct and 18 Oct (17 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 30–59 days | $411 | $397 | Cheapest seen | 8 |
| 60–89 days | $966 | $375 | +135% | 13 |
| 90–179 days | $673 | $414 | +64% | 14 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Seattle → Guangzhou
129 km from Hong Kong
$714
$159 less than flying to Hong Kong
17 Nov – 16 Dec · SEA → CAN · out 1 stop, back 1 stop
found yesterday
Seattle → Shenzhen
27 km from Hong Kong
$905
$32 more than flying to Hong Kong
3 Nov – 9 Nov · SEA → SZX · out 1 stop, back 1 stop
found 4 days ago
Everett → Hong Kong
34 km from Seattle
$1,045
$172 more than flying from Seattle
26 Oct – 9 Nov · PAE → HKG · out 1 stop, back nonstop
found 6 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Seattle → Guangzhou
129 km from Hong Kong
$689
$193 more than flying to Hong Kong
17 Nov · BFI → CAN · 3 stops
found 4 days ago
Everett → Hong Kong
34 km from Seattle
$1,318
$822 more than flying from Seattle
1 Dec · PAE → HKG · 2 stops
found 4 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 12 Nov – 19 Nov. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work