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Cheap flights from Osaka to Seattle from $357

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Osaka to Seattle departing on 2/10. 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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Find the cheapest flights from Osaka to Seattle

Cheap round-trip flights

These are some of the best round-trip flight deals from Osaka to Seattle that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Osaka to Seattle.

Cheap last minute flights

Planning a quick getaway from Osaka to Seattle? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Seattle, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Osaka to Seattle

Find recent round-trip train or bus tickets from Osaka to Seattle.

All round-trip flight deals from Osaka to Seattle

The cheapest plane tickets from Osaka to Seattle found on KAYAK recently.
3:15 pm - 7:10 pmKIX-SEA
19h 55m1 stop
11:35 pm - 7:15 pmSEA-KIX
27h 40m1 stop
$708Philippine Airlines
Find Deal
Fri, Mar 14 - Sun, Mar 23
3:15 pm - 6:10 pmKIX-SEA
19h 55m1 stop
11:35 pm - 2:15 pmSEA-KIX
22h 40m1 stop
$715Philippine Airlines
Find Deal
Wed, Mar 5 - Wed, Mar 12
7:05 pm - 11:55 amKIX-SEA
32h 50m1 stop
1:45 pm - 3:50 pmSEA-KIX
34h 05m1 stop
$769Asiana Airlines
Find Deal
Thu, Mar 13 - Sat, Mar 22
9:00 am - 11:55 amKIX-SEA
18h 55m1 stop
1:45 pm - 9:40 amSEA-KIX
27h 55m1 stop
$783Asiana Airlines
Find Deal
Sat, Mar 15 - Sun, Mar 23
12:55 pm - 7:10 pmKIX-SEA
22h 15m1 stop
1:10 am - 4:45 pmSEA-KIX
23h 35m1 stop
$868EVA Air
Find Deal
Fri, Mar 14 - Sat, Mar 22
12:55 pm - 6:10 pmKIX-SEA
22h 15m1 stop
1:10 am - 9:55 amSEA-KIX
16h 45m1 stop
$885EVA Air
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Thu, Mar 6 - Sun, Mar 9
2:30 pm - 7:15 pmKIX-SEA
20h 45m1 stop
1:10 am - 12:50 pmSEA-KIX
19h 40m1 stop
$926China Airlines
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Thu, Mar 27 - Mon, Mar 31
2:30 pm - 7:15 pmKIX-SEA
20h 45m1 stop
1:10 am - 12:50 pmSEA-KIX
19h 40m1 stop
$928China Airlines
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Thu, Mar 27 - Mon, Mar 31
3:25 pm - 6:50 pmITM-SEA
20h 25m2 stops
6:03 am - 8:25 pmSEA-ITM
21h 22m2 stops
$1,471American Airlines
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Fri, Feb 7 - Thu, Feb 27
3:25 pm - 6:50 pmITM-SEA
20h 25m2 stops
6:03 am - 7:25 pmSEA-ITM
20h 22m2 stops
$1,474American Airlines
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Fri, Feb 7 - Thu, Feb 27
8:05 pm - 12:37 pmKIX-SEA
33h 32m2 stops
Mon, Feb 10
8:05 pm - 12:36 pmKIX-SEA
57h 31m3 stops
Mon, Feb 10
8:45 pm - 8:43 amKIX-SEA
51h 58m3 stops
Sun, Mar 23
7:30 am - 12:25 amKIX-SEA
33h 55m3 stops
Fri, Feb 21
9:10 am - 12:30 pmKIX-SEA
19h 20m1 stop
$510Asiana Airlines
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Tue, May 13
11:10 am - 7:30 pmKIX-SEA
24h 20m1 stop
$516EVA Air
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Tue, Apr 29
10:50 am - 10:55 amKIX-SEA
17h 05m1 stop
$517Asiana Airlines
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Mon, Feb 10
2:00 pm - 7:30 pmKIX-SEA
21h 30m1 stop
$545China Airlines
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Tue, Apr 29
2:00 pm - 7:30 pmKIX-SEA
21h 30m1 stop
$546China Airlines
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Thu, May 1
8:30 am - 11:51 amITM-SEA
19h 21m2 stops
$619American Airlines
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Tue, May 13
10:55 am - 6:10 pmKIX-SEA
24h 15m1 stop
11:50 pm - 9:55 amSEA-KIX
18h 05m1 stop
$823EVA Air
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Sun, Jan 26 - Sat, Mar 15
10:55 am - 6:10 pmKIX-SEA
24h 15m1 stop
1:10 am - 9:55 amSEA-KIX
16h 45m1 stop
$897EVA Air
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Sun, Jan 26 - Fri, Mar 14
6:00 pm - 6:10 pmKIX-SEA
17h 10m1 stop
6:15 am - 9:00 pmSEA-KIX
22h 45m2 stops
$1,248
Find Deal
Sun, Jan 26 - Sat, Mar 15
7:05 pm - 3:45 pmKIX-SEA
37h 40m2 stops
7:34 pm - 3:50 pmSEA-KIX
28h 16m2 stops
$1,526Asiana Airlines
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Sun, Jan 26 - Sat, Mar 15
2:50 pm - 9:55 amITM-SEA
12h 05m1 stop
8:00 am - 7:50 pmSEA-ITM
19h 50m2 stops
$1,824Japan Airlines
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Sun, Jan 26 - Sat, Mar 15
4:55 pm - 6:02 pmKIX-SEA
42h 07m2 stops
7:59 pm - 2:55 pmSEA-KIX
26h 56m3 stops
$1,997Cathay Pacific
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Sun, Jan 26 - Sat, Mar 15
4:50 pm - 1:20 pmITM-SEA
13h 30m1 stop
4:45 pm - 7:30 amSEA-ITM
22h 45m1 stop
$2,269ANA
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Sun, Jan 26 - Sat, Mar 15
1:00 pm - 10:30 pmITM-SEA
26h 30m2 stops
7:34 pm - 6:10 pmSEA-ITM
30h 36m2 stops
$2,274United Airlines
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Sun, Jan 26 - Sat, Mar 15
9:15 am - 1:19 pmKIX-SEA
21h 04m1 stop
12:49 am - 9:00 pmSEA-KIX
28h 11m2 stops
$2,592Delta
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Sun, Jan 26 - Fri, Mar 14
9:15 am - 8:47 pmKIX-SEA
28h 32m2 stops
12:49 am - 9:00 pmSEA-KIX
28h 11m2 stops
$2,598Delta
Find Deal
Sun, Jan 26 - Fri, Mar 14

Asiana Airlines flights from Osaka to Seattle

Our best Asiana Airlines deals on Osaka to Seattle flight tickets
Asiana Airlines
Mar 13
KIX7:05 pmOsaka Kansai Intl
32h 50m
1 stop
SEA11:55 amSeattle/Tacoma Intl
Mar 22
SEA1:45 pmSeattle/Tacoma Intl
34h 05m
1 stop
KIX3:50 pmOsaka Kansai Intl
Asiana Airlines
Mar 15
KIX9:00 amOsaka Kansai Intl
18h 55m
1 stop
SEA11:55 amSeattle/Tacoma Intl
Mar 23
SEA1:45 pmSeattle/Tacoma Intl
27h 55m
1 stop
KIX9:40 amOsaka Kansai Intl
Asiana Airlines
Mar 6
KIX7:05 pmOsaka Kansai Intl
32h 50m
1 stop
SEA10:55 amSeattle/Tacoma Intl
Mar 10
SEA1:45 pmSeattle/Tacoma Intl
36h 00m
1 stop
KIX5:45 pmOsaka Kansai Intl

STARLUX Airlines flights from Osaka to Seattle

Our best STARLUX Airlines deals on Osaka to Seattle flight tickets
STARLUX Airlines
Mar 12
KIX12:20 pmOsaka Kansai Intl
19h 45m
1 stop
SEA4:05 pmSeattle/Tacoma Intl
Mar 18
SEA1:05 amSeattle/Tacoma Intl
18h 05m
1 stop
KIX11:10 amOsaka Kansai Intl
STARLUX Airlines
Mar 15
KIX12:20 pmOsaka Kansai Intl
19h 45m
1 stop
SEA4:05 pmSeattle/Tacoma Intl
Mar 22
SEA1:05 amSeattle/Tacoma Intl
18h 05m
1 stop
KIX11:10 amOsaka Kansai Intl
STARLUX Airlines
Mar 14
KIX2:00 pmOsaka Kansai Intl
18h 05m
1 stop
SEA4:05 pmSeattle/Tacoma Intl
Mar 22
SEA1:05 amSeattle/Tacoma Intl
18h 05m
1 stop
KIX11:10 amOsaka Kansai Intl

See travel insights to Seattle from

How to get the cheapest flight ticket from Osaka to Seattle

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 cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Osaka is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $916. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Osaka because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,184.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Osaka in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,034 when looking at flights departing in the morning. Flights to Seattle are more costly in the afternoon, with an average ticket price of $1,134. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

How have Osaka to Seattle flight prices changed over time?

As of January 2025, prices for Osaka to Seattle flights are approximately 53% more expensive when compared to flights at the same time last year.

When to book flights from Osaka to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Osaka to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Osaka to Seattle (OSA to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Osaka to Seattle

Best Price Found

$357

Fastest flight time

11h 50m

Direct flights

None

Airports in Seattle

1 airport
The best one-way flight to Seattle from Osaka in the past 72 hours is $357. The best round-trip flight deal from Osaka to Seattle found on momondo in the last 72 hours is $708.
The fastest flight from Osaka to Seattle takes 11h 50m
There are no direct flights from Osaka to Seattle. Popular non-direct routes for this connection are Osaka Itami Airport - Seattle/Tacoma Intl Airport and Osaka Kansai Intl Airport - Seattle/Tacoma Intl Airport.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

  • How far is Osaka to Seattle/Tacoma Intl by plane?

    The straight-line distance from Osaka to Seattle/Tacoma Intl is 4994.7 mi. By plane, this route typically takes 12h 05m.

  • When did momondo last update prices for flights from Osaka to Seattle/Tacoma Intl Airport?

    Prices for flights from Osaka to Seattle/Tacoma Intl Airport refresh daily.

  • How many operators does momondo search for flights from Osaka to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Osaka to Seattle/Tacoma Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Osaka to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Osaka to Seattle?


Best airlines flying from Osaka to Seattle

Compare and see reviews for airlines that fly from Osaka to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $838Free CancellationRating
7.0
8,633 reviews
Search Air Canada flights
Asiana AirlinesPriceFrom $872Free CancellationRating
8.2
466 reviews
Search Asiana Airlines flights
ANAPriceFrom $1,397Free CancellationRating
8.4
849 reviews
Search ANA flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Olympia
Kent
Renton
Tukwila
Federal Way
Lynnwood
Kirkland
Lakewood
Puyallup
Redmond
Fife
Shoreline
Centralia
Bothell
Cle Elum
Lacey

Why use momondo?

Why should I use momondo to find a flight deal from Osaka to Seattle?

Finding the right flight to Seattle from Osaka is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

Can I find flights from Osaka to Seattle with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seattle from Osaka which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Osaka to Seattle?

Once you have performed a search for Osaka to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Osaka to Seattle right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Osaka to Seattle flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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