Cheap flights from Seattle (SEA) to Osaka (OSA) from $509

SEA — OSA
Mar 25 — Apr 11

The best prices from Seattle/Tacoma Intl to Osaka are usually found in May or August, booked 60 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

How to find the cheapest flight from Seattle (SEA) to Osaka (OSA)

All the information you need to plan the best SEA to OSA flight in 2023: compare Seattle to Osaka flight prices with the expected peak season, weather and rainfall in Osaka.

SEA - OSA

Price

$1,135 - $1,782

OSA

Temperature

42.8 - 84.2 °F

OSA

Rainfall

1.6 - 7.9 inches

Popular inDecemberHigh demand for flights, 25% potential price rise
Cheapest inMayBest time to find cheap flights, 16% potential price drop
Round-trip from$1,135From Seattle/Tacoma Intl to Osaka (OSA)
One-way from$888One-way flight from Seattle/Tacoma Intl to Osaka (OSA)

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 15% on your flight compared to booking on days when demand is much higher.

Users have found that booking a flight from Seattle to Osaka at least 61 days early can save you up to 37% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from Seattle to Osaka for as little as $1,822 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,896 for flights departing within the next 3 days.

Flights from Seattle to Osaka lean towards being more expensive in December. Prices are generally better when you fly from Seattle to Osaka in May, with the cheapest ticket starting at $1,032.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 14% on flights from Seattle to Osaka by exploring options for tickets in the evening.

Cheap flights from Seattle to Osaka in March, April 2023

The best prices found for SEA to OSA flights for March, April

Seattle to Osaka 2023 flight deals

Cheap flights to Osaka from Seattle found for this year

Cheap EVA Air flights from Seattle to Osaka

Cheap United Airlines flights from Seattle to Osaka

Last minute flights from Seattle to Osaka

Late deals on return flights to Osaka from Seattle, departing today and this week

One-way flights to Osaka from Seattle

The cheapest one-way flights from Seattle to Osaka

Find flights from Seattle to Osaka within your budget

Use the slider to find flights from Seattle to Osaka that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$1,024 - $1,340

Route

Depart

Return

Price

Seattle/Tacoma IntlOsaka Kansai Intl

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

2023-09-10

1 stop23h 45m

Osaka Kansai Intl

2023-09-28

1 stop17h 00m

Seattle/Tacoma IntlOsaka Kansai Intl

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

2023-09-13

1 stop16h 40m

Osaka Kansai Intl

2023-10-07

1 stop17h 00m

Seattle/Tacoma IntlOsaka Kansai Intl

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

2023-09-11

2 stops23h 55m

Osaka Kansai Intl

2023-09-28

2 stops25h 39m

Seattle/Tacoma IntlOsaka Kansai Intl

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

2023-08-30

2 stops24h 15m

Osaka Kansai Intl

2023-09-13

2 stops22h 25m

Seattle/Tacoma IntlKobe

SEA - UKB

SEAUKB

Seattle/Tacoma Intl

2023-09-11

2 stops16h 30m

Kobe

2023-09-28

1 stop29h 20m

Seattle/Tacoma IntlOsaka Kansai Intl

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

2023-08-30

1 stop15h 35m

Osaka Kansai Intl

2023-09-13

1 stop18h 05m

Seattle/Tacoma IntlOsaka Kansai Intl

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

2023-09-14

1 stop30h 10m

Osaka Kansai Intl

2023-10-07

1 stop15h 39m

Seattle/Tacoma IntlOsaka Itami

SEA - ITM

SEAITM

Seattle/Tacoma Intl

2023-09-10

2 stops27h 04m

Osaka Itami

2023-09-28

2 stops22h 15m

Seattle/Tacoma IntlOsaka Itami

SEA - ITM

SEAITM

Seattle/Tacoma Intl

2023-08-07

1 stop14h 20m

Osaka Itami

2023-08-30

1 stop16h 45m

Flights are sorted by cheapest first

Deals found on 3/18

Reviews of Airlines Servicing Osaka

ANA
8.1
Very good
62 reviews

Crew

8.4

Entertainment

7.5

Overall

8.1

Boarding

8.2

Comfort

7.9

Food

7.6

Reviews

1 / 10

ANA, a strong United Airlines partner, was an excellent alternative when United could not accommodate our itinerary!

ANA
8.1
Very good
62 reviews
ANA
8.1
Very good
62 reviews

Crew

8.4

Entertainment

7.5

Overall

8.1

Boarding

8.2

Comfort

7.9

Food

7.6

Reviews

1 / 10

ANA, a strong United Airlines partner, was an excellent alternative when United could not accommodate our itinerary!

Japan Airlines
8.0
Very good
194 reviews
ANA
8.1
Very good
62 reviews

Crew

8.4

Entertainment

7.5

Overall

8.1

Boarding

8.2

Comfort

7.9

Food

7.6

Reviews

1 / 10

ANA, a strong United Airlines partner, was an excellent alternative when United could not accommodate our itinerary!

Hawaiian Airlines
8.0
Very good
529 reviews
ANA
8.1
Very good
62 reviews

Crew

8.4

Entertainment

7.5

Overall

8.1

Boarding

8.2

Comfort

7.9

Food

7.6

Reviews

1 / 10

ANA, a strong United Airlines partner, was an excellent alternative when United could not accommodate our itinerary!

Asiana Airlines
8.0
Very good
52 reviews
ANA
8.1
Very good
62 reviews

Crew

8.4

Entertainment

7.5

Overall

8.1

Boarding

8.2

Comfort

7.9

Food

7.6

Reviews

1 / 10

ANA, a strong United Airlines partner, was an excellent alternative when United could not accommodate our itinerary!

EVA Air
7.9
Good
89 reviews
ANA
8.1
Very good
62 reviews

Crew

8.4

Entertainment

7.5

Overall

8.1

Boarding

8.2

Comfort

7.9

Food

7.6

Reviews

1 / 10

ANA, a strong United Airlines partner, was an excellent alternative when United could not accommodate our itinerary!

Related info for your journey

Useful info, stats and facts about Seattle to Osaka flights.

Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Osaka. On average, Seattle/Tacoma Intl has 0 outbound flights to Osaka per day from 6 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

Some of the carriers operating flights from Seattle/Tacoma Intl to Osaka that may be offering flexible cancellation policies are ANA, EVA Air, and Japan Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Yes, there are multiple flights from Seattle to Osaka for under $1,100. The cheapest flight booked recently is on EVA Air for just $1,024, but on average you can expect to pay $1,121.

There are currently 20+ open flights from Seattle to Osaka within the next 7 days for less than $1,700.

EVA Air, at $1,024, was found to be the cheapest airline from Seattle to Osaka.Alternate airlines to your destination round-trip include ANA and United Airlines. These flights start at 23% lower than the current average price 3 months from now.

The cheapest airlines for a one-way flight from Seattle to Osaka are Hawaiian Airlines ($689), EVA Air ($714), and Air Canada ($836).

On average you can expect to pay $1,796 for a flight from Seattle to Osaka. The cheapest flight overall is $680 while the most popular route, (Seattle/Tacoma Intl - Osaka Kansai Intl) is currently priced at $1,111.

SEA stands for Seattle/Tacoma Intl Airport, while KIX stands for Osaka Kansai Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Ready for more IATA code knowledge? These are related airports for your current travel destination: Osaka Itami Airport (ITM), Kobe Airport (UKB).

Top 6 airlines flying from Seattle to Osaka

The chart below displays the airlines Cheapflights users traveling from Seattle to Osaka choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Hawaiian AirlinesCheapest$887Average$1,302FlexibilityNo cancel feeOn-time85%COVID-19 safety
Search Hawaiian Airlines flights
EVA AirCheapest$1,017Average$1,160FlexibilityNo cancel feeOn-time74%COVID-19 safety
Search EVA Air flights
Japan AirlinesCheapest$1,066Average$1,553FlexibilityNo cancel feeOn-time79%COVID-19 safety
Search Japan Airlines flights
ANACheapest$1,078Average$1,420FlexibilityNo cancel feeOn-time80%COVID-19 safety
Search ANA flights
Air CanadaCheapest$1,149Average$1,321FlexibilityNo cancel feeOn-time67%COVID-19 safety
Search Air Canada flights
American AirlinesCheapest$1,282Average$1,617FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
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