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Cheap flights from Seattle to Osaka from $349

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 12/8. 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 Seattle to Osaka

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Osaka 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 Seattle to Osaka.

Cheap last minute flights

Planning a quick getaway from Seattle to Osaka? 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 Osaka, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to Osaka

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

All round-trip flight deals to Osaka

The cheapest plane tickets to Osaka found on KAYAK recently.
5:59 pm - 12:10 pmSEA-KIX
49h 11m2 stops
9:30 am - 5:00 pmKIX-SEA
23h 30m2 stops
$795China Eastern
Find Deal
Mon, Mar 3 - Tue, Mar 18
5:15 am - 9:55 pmSEA-KIX
23h 40m2 stops
7:30 am - 6:25 pmKIX-SEA
27h 55m2 stops
Fri, Dec 6 - Sun, Dec 15
12:30 pm - 9:55 pmSEA-KIX
16h 25m1 stop
7:30 am - 12:37 pmKIX-SEA
22h 07m2 stops
Mon, Jan 20 - Mon, Jan 27
4:40 pm - 8:05 amSEA-ITM
23h 25m1 stop
4:50 pm - 2:25 pmITM-SEA
13h 35m1 stop
$867ANA
Find Deal
Wed, Apr 23 - Sat, May 10
8:30 am - 8:30 pmSEA-ITM
20h 00m2 stops
7:10 am - 10:25 amITM-SEA
19h 15m2 stops
$869Japan Airlines
Find Deal
Wed, Apr 23 - Sat, May 10
4:40 pm - 9:55 pmSEA-KIX
13h 15m1 stop
7:00 am - 2:25 pmKIX-SEA
23h 25m1 stop
$869ANA
Find Deal
Wed, Apr 23 - Sat, May 10
12:30 pm - 8:05 pmSEA-ITM
14h 35m1 stop
2:50 pm - 9:55 amITM-SEA
12h 05m1 stop
$873Japan Airlines
Find Deal
Tue, Feb 18 - Fri, Feb 28
1:10 am - 11:35 amSEA-KIX
18h 25m1 stop
2:00 pm - 7:30 pmKIX-SEA
21h 30m1 stop
$932China Airlines
Find Deal
Mon, Mar 24 - Tue, Apr 15
7:00 am - 6:45 pmSEA-KIX
18h 45m1 stop
8:45 pm - 9:20 pmKIX-SEA
17h 35m1 stop
$981Hawaiian Airlines
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Tue, Jan 14 - Thu, Jan 23
12:10 am - 11:35 amSEA-KIX
18h 25m1 stop
2:30 pm - 7:15 pmKIX-SEA
20h 45m1 stop
$985China Airlines
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Sun, Mar 2 - Tue, Mar 18
5:15 am - 9:55 pmSEA-KIX
23h 40m2 stops
Sun, Dec 8
12:50 pm - 9:35 pmSEA-KIX
39h 45m3 stops
Sun, Dec 8
5:15 am - 7:55 pmSEA-ITM
21h 40m2 stops
Sun, Dec 8
7:00 am - 6:45 pmSEA-KIX
18h 45m1 stop
$527Hawaiian Airlines
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Sun, Dec 8
2:52 pm - 8:00 amSEA-UKB
24h 08m2 stops
$566ANA
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Sat, Feb 15
2:52 pm - 8:10 amSEA-ITM
24h 18m2 stops
$568ANA
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Sat, Feb 15
7:35 pm - 6:45 pmSEA-KIX
30h 10m1 stop
$852Hawaiian Airlines
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Fri, Dec 13
12:10 am - 1:20 pmSEA-KIX
20h 10m1 stop
$857China Airlines
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Mon, Dec 23
12:10 pm - 7:55 pmSEA-ITM
14h 45m1 stop
$1,120Japan Airlines
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Tue, Dec 24
12:10 pm - 7:55 pmSEA-ITM
14h 45m1 stop
$1,330Japan Airlines
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Mon, Dec 23
12:10 am - 9:55 amSEA-KIX
16h 45m1 stop
10:55 am - 6:10 pmKIX-SEA
24h 15m1 stop
$1,060EVA Air
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Tue, Nov 26 - Tue, Dec 3
7:15 am - 6:45 pmSEA-KIX
18h 30m1 stop
8:45 pm - 9:25 pmKIX-SEA
17h 40m1 stop
$1,726Hawaiian Airlines
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Fri, Nov 22 - Sat, Nov 30
12:10 am - 9:55 amSEA-KIX
16h 45m1 stop
9:50 am - 2:26 pmKIX-SEA
21h 36m2 stops
$1,760
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Tue, Nov 26 - Tue, Dec 3
5:50 am - 9:05 pmSEA-KIX
46h 15m2 stops
4:55 pm - 7:09 amKIX-SEA
31h 14m2 stops
$1,773Cathay Pacific
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Fri, Nov 22 - Sat, Nov 30
5:50 am - 2:55 pmSEA-KIX
40h 05m3 stops
4:55 pm - 7:09 amKIX-SEA
31h 14m2 stops
$1,788Cathay Pacific
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Fri, Nov 22 - Sat, Nov 30
5:50 am - 2:55 pmSEA-KIX
40h 05m3 stops
4:05 pm - 7:09 amKIX-SEA
32h 04m3 stops
$1,803Cathay Pacific
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Fri, Nov 22 - Sat, Nov 30
10:35 am - 9:00 pmSEA-KIX
17h 25m1 stop
11:55 am - 3:13 pmKIX-SEA
20h 18m2 stops
$1,830Delta
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Fri, Nov 22 - Sat, Nov 30
3:40 pm - 8:10 amSEA-ITM
23h 30m1 stop
3:00 pm - 1:20 pmITM-SEA
15h 20m1 stop
$2,357ANA
Find Deal
Thu, Nov 21 - Thu, Nov 28
3:40 pm - 8:10 amSEA-ITM
23h 30m1 stop
4:00 pm - 1:20 pmITM-SEA
14h 20m1 stop
$2,488ANA
Find Deal
Fri, Nov 22 - Sat, Nov 30
10:35 am - 6:55 pmSEA-ITM
15h 20m2 stops
2:05 pm - 6:25 pmITM-SEA
21h 20m2 stops
$3,464Air Canada
Find Deal
Fri, Nov 22 - Sat, Nov 30

Asiana Airlines flights from Seattle to Osaka

Our best Asiana Airlines deals on Seattle to Osaka flight tickets
Asiana Airlines
Mar 11
SEA1:45 pmSeattle/Tacoma Intl
34h 05m
1 stop
KIX3:50 pmOsaka Kansai Intl
Mar 17
KIX9:00 amOsaka Kansai Intl
18h 55m
1 stop
SEA11:55 amSeattle/Tacoma Intl
Asiana Airlines
Mar 3
SEA12:45 pmSeattle/Tacoma Intl
27h 55m
1 stop
KIX9:40 amOsaka Kansai Intl
Mar 18
KIX10:50 amOsaka Kansai Intl
17h 05m
1 stop
SEA11:55 amSeattle/Tacoma Intl
Asiana Airlines
Feb 20
SEA12:45 pmSeattle/Tacoma Intl
36h 00m
1 stop
KIX5:45 pmOsaka Kansai Intl
Feb 28
KIX10:50 amOsaka Kansai Intl
17h 05m
1 stop
SEA10:55 amSeattle/Tacoma Intl

United Airlines flights from Seattle to Osaka

Our best United Airlines deals on Seattle to Osaka flight tickets
United Airlines
Jan 18
SEA7:00 amSeattle/Tacoma Intl
16h 35m
1 stop
KIX4:35 pmOsaka Kansai Intl
May 29
KIX4:50 pmOsaka Kansai Intl
20h 39m
1 stop
SEA9:29 pmSeattle/Tacoma Intl
United Airlines
Apr 27
SEA6:35 amSeattle/Tacoma Intl
16h 15m
1 stop
KIX2:50 pmOsaka Kansai Intl
May 9
KIX4:50 pmOsaka Kansai Intl
21h 03m
2 stops
SEA9:53 pmSeattle/Tacoma Intl
United Airlines
Feb 17
SEA7:32 pmSeattle/Tacoma Intl
28h 03m
1 stop
KIX4:35 pmOsaka Kansai Intl
Feb 28
KIX6:30 pmOsaka Kansai Intl
19h 45m
1 stop
SEA9:15 pmSeattle/Tacoma Intl

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 cheapest month to fly from Seattle to Osaka?

August. The cheapest time of year to fly to Osaka from Seattle is August. Most expensive is December

What is the cheapest day to depart Seattle for Osaka?

Sunday. The cheapest day of the week is typically Sunday. The most expensive is typically Thursday

When is the cheapest time to fly from Seattle to Osaka?

In the evening. Seattle to Osaka flights are approximately 31% more expensive in the afternoon than in the evening

What is the cheapest Seattle to Osaka flight route?

Seattle/Tacoma Intl - Osaka Kansai Intl. Fly from Seattle/Tacoma Intl to Osaka Kansai Intl for the best Seattle - Osaka flight prices

How far in advance should you book Seattle to Osaka flights?

4 days before. The cheapest time to buy a flight from Seattle to Osaka is approximately 4 days to departure

Can stopping save me money on Seattle to Osaka flights?

You could potentially save up to 22% on your flight if you consider stops on a Seattle to Osaka flight.

When to book flights from Seattle to Osaka

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

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

Best Price Found

$349

Fastest flight time

13h 05m

Direct flights

None

Airports in Osaka

3 airports
The best one-way flight to Osaka from Seattle in the past 72 hours is $349. The best round-trip flight deal from Seattle to Osaka found on momondo in the last 72 hours is $795.
The fastest flight from Seattle to Osaka takes 13h 05m
There are no direct flights from Seattle to Osaka. Popular non-direct routes for this connection are Seattle/Tacoma Intl Airport - Osaka Kansai Intl Airport, Seattle/Tacoma Intl Airport - Kobe Airport and Seattle/Tacoma Intl Airport - Osaka Itami Airport.
There are 3 airports near Osaka: Osaka Itami (ITM), Osaka Kansai Intl (KIX), Kobe (UKB)

  • 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 05m, 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?

  • 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?


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
China EasternPriceFrom $719Free CancellationRating
6.9
221 reviews
Search China Eastern flights
Asiana AirlinesPriceFrom $838Free CancellationRating
8.3
476 reviews
Search Asiana Airlines flights
Japan AirlinesPriceFrom $850Free CancellationRating
8.3
1,460 reviews
Search Japan Airlines flights
China AirlinesPriceFrom $852Free CancellationRating
8.2
778 reviews
Search China Airlines flights
Air CanadaPriceFrom $858Free CancellationRating
7.0
8,238 reviews
Search Air Canada flights
STARLUX AirlinesPriceFrom $918Free CancellationRating
9.1
126 reviews
Search STARLUX Airlines flights
Hawaiian AirlinesPriceFrom $997Free CancellationRating
7.9
2,287 reviews
Search Hawaiian Airlines flights
EVA AirPriceFrom $1,070Free CancellationRating
8.4
1,308 reviews
Search EVA Air flights
ANAPriceFrom $1,074Free CancellationRating
8.4
833 reviews
Search ANA flights
Korean AirPriceFrom $1,170Free CancellationRating
8.4
1,025 reviews
Search Korean Air flights

Why use momondo?

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.


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Fly into one of these airports located in Osaka

Airports listed have a maximum distance of 22.5 mi from Osaka