Cheap flights from Seattle to Tokyo from $356 BFI, SEA → HND, NRT

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $195 to $1,007.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 8-night return fares leaving within 3 days of 14 Apr 2027 to compare.

Every date we hold

74 fares on 13 departure dates

Which month looks cheapest?

September 2027 is the cheapest month — from $735.

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $167 to $1,511.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other one-way fares leaving within 3 days of 6 Sept 2027 to compare.

Every date we hold

14 fares on 6 departure dates

Which month looks cheapest?

January 2027 is the cheapest month — from $262.

Return

Fares 14 to 29 days before departure were typically 9% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (49 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.

One-way

Fares 60 to 89 days before departure were typically 52% lower than 14 to 29 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (49 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.

How much is a return flight from Seattle to Tokyo?

The cheapest return found recently is $806 with Philippine Airlines, 14 Apr 2027 to 22 Apr 2027, found 2 days ago. The cheapest return we hold, of any age, is $735 with Philippine Airlines, 6 Sept 2027 to 15 Sept 2027, found 3 days ago. The cheapest return fare on each of 13 departure dates is usually $888 to $1,043.

How much is a one-way flight from Seattle to Tokyo?

The cheapest one-way found recently is $356 with Philippine Airlines, 6 Sept 2027, found 3 days ago. The cheapest one-way we hold, of any age, is $262 with Alaska Airlines, 13 Jan 2027, found 7 days ago. The cheapest one-way fare on each of 6 departure dates is usually $305 to $449.

What is the cheapest month to fly from Seattle to Tokyo?

September 2027 is the cheapest month for a return, from $735, 6 Sept 2027 to 15 Sept 2027, found 3 days ago. January 2027 is the cheapest month for a one-way, from $262, 13 Jan 2027, found 7 days ago.

How far ahead should I book a flight from Seattle to Tokyo?

In 49 days of prices between 24 Sept and 11 Nov, return fares 14 to 29 days before departure were typically 9% lower than 0 to 6 days before departure. One-way fares 60 to 89 days before departure were typically 52% lower than 14 to 29 days before departure.

Is there a direct flight from Seattle to Tokyo?

Yes, the cheapest nonstop return found recently is $1,009 with All Nippon Airways, 20 Jan 2027 to 30 Jan 2027, found 4 days ago. The cheapest nonstop one-way found recently is $462 with All Nippon Airways, 24 Mar 2027, found 3 days ago.

How long is the flight from Seattle to Tokyo?

The cheapest nonstop one-way found recently, with All Nippon Airways on 24 Mar 2027, takes 10 h 30 min from Seattle-Tacoma International Airport (SEA) to Haneda Airport (HND). The cheapest one-way found recently, with Philippine Airlines on 6 Sept 2027, takes 21 h 5 min with 1 stop.

Which airlines have the cheapest flights from Seattle to Tokyo?

Between 2 Dec and 6 Sept 2027, Alaska Airlines has the cheapest return on 3 of the 13 departure dates we hold, Cathay Pacific on 3 and Korean Air on 2. Between 13 Jan 2027 and 6 Sept 2027, Alaska Airlines has the cheapest one-way on 2 of the 6 departure dates we hold, All Nippon Airways on 2 and Philippine Airlines on 2.