To Osaka

Cheap Flights from Seattle to Osaka

Browse current best options from Seattle. Become a member to unlock all deals and get alerts when new deals appear.

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RatePunk searches hundreds of travel sites at once for deals on flights to Osaka

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Seattle to Osaka

Explore current cheapest deals departing from Seattle to Osaka

Round trip

Sort by: Cheapest

November 14 - November 27

Cheapest

SEA - Osaka

$706

$837

Round trip

November 2 - November 16

SEA - Osaka

$706

$838

Round trip

November 14 - November 30

SEA - Osaka

$704

$841

Round trip

November 21 - November 30

SEA - Osaka

$698

$844

Round trip

August 22 - August 31

SEA - Osaka

$878

$855

Round trip

November 8 - November 15

SEA - Osaka

$693

$883

Round trip

November 16 - November 25

SEA - Osaka

$694

$887

Round trip

November 16 - November 30

SEA - Osaka

$707

$890

Round trip

August 17 - August 27

Earliest

SEA - Osaka

$873

$893

Round trip

November 18 - November 25

Best

SEA - Kobe

$1,150

$905

Round trip

Unlock all 500+ flight deals to Osaka and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Seattle to Osaka

Most itineraries for flights from Seattle to Osaka connect at least once, with 0% of recent fares being non-stop. For the majority of itineraries that do include connections, you can expect a typical journey to involve 2 stopovers.

When considering cheap flights from Seattle to Osaka, fares typically range from $576–$1256, with a median of $843 over a 90-day window. Right now, current fares are above the typical level. Only 2% of recent fares were classified as a good price, indicating that finding exceptional value can be challenging. New deals appear almost daily, so setting up a price alert could be beneficial.

If you are looking for the cheapest time to fly from Seattle to Osaka, October and March stand out as the most affordable months, both with a median fare of $505. January also offers competitive pricing, with a median fare of $551.

A typical journey from Seattle to Osaka takes approximately 30h 0m, including connections. This reflects the reality of long-haul travel on this route, where most itineraries involve at least one stopover.

The distance between Seattle and Osaka is 8091 km, classifying this as a long-haul route. This significant distance contributes to the extended journey times and the prevalence of connecting flights.

How much is a round trip from Seattle to Osaka

Regular price: $628 - $1,595

Prices for flights from Seattle to Osaka are currently within the regular range.

The regular price range for flights from Seattle to Osaka is between $628 and $1595. The current lowest deal is $837 with Hainan Airlines for travel from Nov 14-Nov 27.

now $837

Low $628

High $1,595

The cheapest time to fly from Seattle to Osaka

The cheapest month to fly from Seattle to Osaka is March, with a median price of $505. The most expensive month is July, with a median price of $1512. Generally, prices are lower from January to December.

March

Cheapest

Flights from $505

July

Most Expensive

Flights from $1,512

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Seattle to Osaka

Alaska Airlines, Inc.

Korean Air

All Nippon Airways

Hainan Airlines

Last-minute flights going from Seattle to Osaka

Fri, Jul 3

⌛ Last-Minute

SEA - Kobe

Seattle (SEA) - Kobe (UKB)

Korean Air

$1,199

$1,182

One-way

Fri, Jul 3

⌛ Last-Minute

SEA - Kobe

Seattle (SEA) - Kobe (UKB)

Korean Air

$1,192

$1,182

One-way

Sat, Jul 4

⌛ Last-Minute

SEA - Osaka

Seattle (SEA) - Osaka (KIX)

Japan Airlines

$948

$1,179

One-way

Sat, Jul 4

⌛ Last-Minute

SEA - Osaka

Seattle (SEA) - Osaka (KIX)

Korean Air

$937

$1,201

One-way

Sat, Jul 4

⌛ Last-Minute

SEA - Osaka

Seattle (SEA) - Osaka (KIX)

Alaska Airlines, Inc.

$941

$1,202

One-way

Mon, Jul 6

⌛ Last-Minute

SEA - Osaka

Seattle (SEA) - Osaka (KIX)

Korean Air

$941

$1,104

One-way

Biggest price drops on these dates for flights from Seattle to Osaka

7 nights

Nov 18 - Nov 25

$1,150 → $905

21%

7 nights

Oct 23 - Oct 30

$1,184 → $1,087

10 nights

Aug 6 - Aug 16

$1,290 → $1,193

6 nights

Jul 18 - Jul 24

$1,191 → $1,158

Popular Airports to fly from Seattle to Osaka

Seattle - Osaka route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from Seattle to Osaka are above the typical level of $843.

📅 Best time to fly

Fly in October or March for the best prices

Historically, the cheapest months to fly to Osaka are October and March, with median prices around $505.

⏱️ Flight duration

Connecting flights take 30h 0m

Flights from Seattle to Osaka typically involve 2 stopovers, with a median flight time of 30h 0m.

✈️ Airlines & availability

Connecting flights are common

This route is dominated by connecting flights; direct flights are not available.

🏆 Airline highlight

Hainan Airlines offers competitive deals

Hainan Airlines has recently offered a deal for $837 on this route.

🎯 Booking tip

Deals appear frequently for this route

Historically, deals for flights from Seattle to Osaka appear frequently, averaging 1.03 deals per day.

Seattle main airports to depart from

Seattle–Tacoma International (SEA)

Cheapest

Seattle–Tacoma International is often the most budget-friendly option for flights from Seattle to Osaka.

📍 ~15 km from Seattle (reachable by car or train)

💸 Flights from ~$837

Boeing Field (BFI)

Boeing Field offers an alternative departure point for your journey from Seattle to Osaka.

📍 ~8 km from Seattle (reachable by car)

💸 Flights from ~$1408

Kenmore Air Harbor Seaplane Base (LKE)

Kenmore Air Harbor Seaplane Base provides another departure option for flights from Seattle to Osaka.

📍 ~3 km from Seattle (reachable by car)

💸 Flights from ~$2026

Osaka main airports to arrive at

Kansai International (KIX)

Cheapest

Kansai International Airport is a good option for flights from Seattle to Osaka.

📍 ~40 km from Osaka (reachable by car)

💸 Flights from ~$837

Itami (ITM)

Itami Airport is another choice for travelers flying from Seattle to Osaka.

📍 ~10 km from Osaka (reachable by car)

💸 Flights from ~$847

Airports nearby Osaka used as alternative

Kobe (UKB)

Kobe Airport (UKB) is a useful alternative due to its proximity to Osaka city center within the Kansai region.

📍 ~30 km from Osaka (reachable by Bay Shuttle ferry or train)

💸 Flights from ~$1015

Chubu Centrair International (NGO)

Cheapest

Chubu Centrair International Airport (NGO) is a major international gateway with extensive routes, ideal for international travel.

📍 ~135 km from Osaka (reachable by Shinkansen and local train)

💸 Flights from ~$976

Okayama (OKJ)

Okayama Airport (OKJ) offers a decent selection of flights and is well-connected to Osaka via Shinkansen.

📍 ~135 km from Osaka (reachable by Sanyo Shinkansen line)

💸 Flights from ~$1163

Takamatsu (TAK)

Takamatsu Airport (TAK) is a primary airport for the Kagawa region, offering stable domestic and some international routes.

📍 ~145 km from Osaka (reachable by train or highway bus)

💸 Flights from ~$978

Tokushima (TKS)

Tokushima Airport (TKS) is geographically the closest airport on Shikoku island to Osaka, useful for specific domestic routes.

📍 ~100 km from Osaka (reachable by highway bus)

💸 Flights from ~$1286

Business & First Class Flight Deals to Osaka

77% AI deal score

$2,480

From SEA

Elite

Nov 01

Osaka, Japan

77% AI deal score

$2,481

From SEA

Elite

Oct 19

Osaka, Japan

77% AI deal score

$2,578

$2,573

Save $5

From SEA

Elite

Oct 28

Osaka, Japan

77% AI deal score

$2,656

From SEA

Elite

Oct 01

Osaka, Japan

77% AI deal score

$2,699

From SEA

Elite

Oct 01

Osaka, Japan

77% AI deal score

$2,699

From SEA

Elite

Oct 01

Osaka, Japan

77% AI deal score

Osaka, Japan

76% AI deal score

$2,994

Frequently Asked Questions About Flights to Osaka

Finding affordable flights often involves comparing prices across different airlines and booking sites. Being flexible with your travel dates and considering flights on weekdays or during off-peak seasons may also help. Setting up price alerts can notify you when fares drop.

Booking flights in advance, often several months before your intended departure, can sometimes lead to better deals. Prices may fluctuate, so monitoring fare trends can be beneficial. Last-minute bookings usually carry a higher cost.

Comparing nearby airports can sometimes uncover more economical flight options. While it might involve additional travel time to and from these airports, the potential savings on airfare can be significant. Always factor in ground transportation costs when considering this option.

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