Cheap flights from Seattle to Osaka from $406
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Osaka departing on 10/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
SeattleOsaka
SEA Seattle/Tacoma Intl - KIX Osaka Kansai Intl
SEAKIX
Seattle/Tacoma Intl
Mon 10/26
11:25 am-6:20 am
1 stop26h 55m
Osaka Kansai Intl
Wed 11/11
6:05 pm-8:45 am
1 stop31h 40m
SeattleOsaka
SEA Seattle/Tacoma Intl - KIX Osaka Kansai Intl
SEAKIX
Seattle/Tacoma Intl
Mon 10/26
11:25 am-6:20 am
1 stop26h 55m
Osaka Kansai Intl
Wed 11/11
6:05 pm-8:45 am
1 stop31h 40m
SeattleOsaka
SEA Seattle/Tacoma Intl - KIX Osaka Kansai Intl
SEAKIX
Seattle/Tacoma Intl
Tue 12/1
7:00 am-4:45 pm
1 stop16h 45m
Osaka Kansai Intl
Tue 12/15
9:45 am-1:20 pm
1 stop20h 35m
SeattleOsaka
SEA Seattle/Tacoma Intl - KIX Osaka Kansai Intl
SEAKIX
Seattle/Tacoma Intl
Tue 12/1
7:00 am-10:20 pm
2 stops22h 20m
Osaka Kansai Intl
Tue 12/15
6:45 am-1:20 pm
1 stop23h 35m
SeattleOsaka
SEA Seattle/Tacoma Intl - KIX Osaka Kansai Intl
SEAKIX
Seattle/Tacoma Intl
Wed 2/3
8:40 am-5:40 pm
1 stop16h 00m
Osaka Kansai Intl
Wed 2/24
7:25 pm-9:57 pm
1 stop19h 32m
SeattleOsaka
SEA Seattle/Tacoma Intl - KIX Osaka Kansai Intl
SEAKIX
Seattle/Tacoma Intl
Tue 2/2
10:10 am-5:40 pm
1 stop14h 30m
Osaka Kansai Intl
Thu 2/25
7:25 pm-2:37 pm
1 stop12h 12m
SeattleOsaka
SEA Seattle/Tacoma Intl - KIX Osaka Kansai Intl
SEAKIX
Seattle/Tacoma Intl
Sun 11/29
12:10 am-5:50 pm
1 stop24h 40m
Osaka Kansai Intl
Sun 2/21
7:00 pm-6:10 pm
1 stop16h 10m
SeattleOsaka
SEA Seattle/Tacoma Intl - KIX Osaka Kansai Intl
SEAKIX
Seattle/Tacoma Intl
Mon 11/30
12:10 am-1:20 pm
1 stop20h 10m
Osaka Kansai Intl
Tue 12/15
2:30 pm-6:10 pm
1 stop20h 40m
SeattleOsaka
SEA Seattle/Tacoma Intl - ITM Osaka Itami
SEAITM
Seattle/Tacoma Intl
Mon 11/23
12:00 pm-8:45 am
1 stop27h 45m
Osaka Itami
Wed 12/2
11:25 am-9:55 am
1 stop15h 30m
SeattleOsaka
SEA Seattle/Tacoma Intl - ITM Osaka Itami
SEAITM
Seattle/Tacoma Intl
Mon 11/23
12:00 pm-7:45 pm
1 stop14h 45m
Osaka Itami
Thu 12/3
2:40 pm-9:55 am
1 stop12h 15m
See travel insights to Osaka from
How to get the cheapest flight ticket from Seattle to Osaka
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Seattle and Osaka?
Prices are currently typical for flights on this route.
Typical prices usually range from $825 to $1,124.The lowest price recently found on this route was $832.
What is the cheapest month to fly to Osaka?
In general, February is the cheapest month to fly from Seattle to Osaka. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $747. If you are unable to visit Osaka during the month of February, then departing from Seattle during the month January is also very affordable. Most momondo users find prices during this month for around $747.
Can stopping save me money on Seattle to Osaka flights?
You could potentially save up to 41% on your flight if you consider stops on a Seattle to Osaka flight.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Osaka?
Cathay Pacific, Japan Airlines, and ANA are the most popular carriers operating from Seattle/Tacoma Intl to Osaka
What airlines fly to Osaka?
ANA, Japan Airlines and Air Canada are the top three most popular airlines that fly to Osaka from Seattle according to our data. ANA is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Osaka. Keep in mind that there are 5 different airlines that fly to Osaka on a routine basis, so you have a few additional options to choose from.
Which airport is the most popular layover for flights between Seattle and Osaka?
Tokyo (HND) was the most common stop: 52% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Seattle to Osaka?
Flights via Tokyo (HND) offer the lowest average round-trip price of $719.
Which layover airport has the shortest travel time from Seattle to Osaka?
Flights connecting via Tokyo (HND) have the shortest average one-way travel time: 13h 18m.
Which layover airport has the shortest connection time from Seattle to Osaka?
Vancouver (YVR) has the shortest average layover time for this route: 1h 38m.
When to book flights from Seattle to Osaka
Cheap Seattle to Osaka (SEA to OSA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Osaka
Frequently asked questions about flying from Seattle to Osaka
How far is Seattle/Tacoma Intl to Osaka by plane?
The distance between Seattle/Tacoma Intl and Osaka is about 4994.7 mi. Flights usually cover this in 13h 15m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Osaka?
Prices for flights from Seattle/Tacoma Intl Airport to Osaka are refreshed on a daily basis.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Osaka?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Osaka is 5 as of October 2026.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Osaka?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Osaka.
What documentation or ID do you need to fly to Osaka?
The travel and health documents you'll need for your trip to Osaka may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Osaka. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Seattle to Osaka?
momondo data reveals that the most frequently booked airline on the route from Seattle to Osaka is ANA, representing 40% of all bookings. The subsequent popular airlines are Japan Airlines at 15%, Asiana Airlines at 10%, and Air Canada at 9%.
Best airlines flying from Seattle to Osaka
Compare and see reviews for airlines that fly from Seattle to Osaka with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $565 | Free Cancellation | Rating 8.1 563 reviews | |||
| PriceFrom $649 | Free Cancellation | Rating 8.3 1,321 reviews | |||
| PriceFrom $708 | Free Cancellation | Rating 8.3 1,935 reviews | |||
| PriceFrom $862 | Free Cancellation | Rating 7.1 11,749 reviews | |||
| PriceFrom $915 | Free Cancellation | Rating 8.2 850 reviews |
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Why should I use momondo to find a flight deal from Seattle to Osaka?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Osaka. momondo saves you time and could save you money on your trip.
Can I find flights from Seattle to Osaka with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Seattle to Osaka flights to just show those with flexible booking policies.
How can momondo help me find flights from Seattle to Osaka?
momondo helps you find the best flight between Seattle and Osaka by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Seattle to Osaka right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Seattle to Osaka now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Osaka and let you know when they change.