Are direct flights from Seattle to Osaka always the best option?

Direct flights offer convenience and save time, but they are not always the cheapest option. Flights with layovers or connecting flights can sometimes be more economical. Consider your budget and time constraints when deciding between a direct flight and one with stops.

Can flexible travel dates help on Seattle to Osaka flights?

Yes, being flexible with your travel dates can significantly impact the price of your flight. Flying on weekdays or during the shoulder seasons often results in lower fares compared to peak travel times. Even shifting your departure or return by a day or two may lead to savings.

What extra costs should I check before booking Seattle to Osaka flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight meal costs. Some airlines may also charge for carry-on bags or for printing boarding passes at the airport. Being aware of these additional fees can help you budget accurately.

Flights From Seattle

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.

Deals from

Seattle

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

Prices updated 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Seattle to Osaka

Explore current cheapest deals departing from Seattle to Osaka

2027-01-18 – 2027-01-25
SEA - Osaka
89% AI deal score
$966
$772
Round trip
2026-08-21 – 2026-09-11
SEA - Osaka
73% AI deal score
$825
$813
Round trip
2026-08-24 – 2026-09-11
SEA - Osaka
74% AI deal score
$836
$814
Round trip
2026-08-28 – 2026-09-11
SEA - Osaka
74% AI deal score
$843
$815
Round trip
2026-09-01 – 2026-09-15
SEA - Osaka
72% AI deal score
$867
$828
Round trip
2026-08-26 – 2026-09-15
SEA - Osaka
77% AI deal score
$827
$832
Round trip
2026-08-27 – 2026-09-15
SEA - Osaka
77% AI deal score
$828
$832
Round trip
2026-09-01 – 2026-09-22
SEA - Osaka
71% AI deal score
$843
$838
Round trip
2026-09-01 – 2026-09-21
SEA - Osaka
72% AI deal score
$843
$841
Round trip
2026-08-22 – 2026-08-31
SEA - Osaka
76% AI deal score
$850
$844
Round trip

Seattle to Osaka: Overview

Insights for flights from Seattle to Osaka

Most itineraries for flights from Seattle to Osaka are connecting, with 0% of recent fares being non-stop. When connections are necessary, the typical number of stopovers is 2. This means you will likely need to plan for at least two stops on your journey.

For travelers seeking cheap flights from Seattle to Osaka, fares typically range from $865–$1525, with a median of $1142. Right now, current fares are near the typical level. Only 2% of recent fares were classified as a good price, indicating that finding exceptionally low prices can be challenging. New deals appear almost daily, suggesting frequent opportunities to find competitive pricing.

The cheapest time to fly from Seattle to Osaka is typically in October and March, both with a median fare of $505. January also offers competitive pricing, with a median fare of $551. Planning your trip during these months could result in significant savings compared to other times of the year.

A typical journey from Seattle to Osaka takes approximately 30h 0m, including connections. This is a long-haul route, covering a distance of 8091 km. Given that most itineraries involve connections, this duration reflects the total travel time from departure to arrival, accounting for layovers.

How much is a round trip from Seattle to Osaka

Regular price: $842 - $1,755

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

Regular prices for flights from Seattle to Osaka typically range from $842 to $1755. The current lowest deal is $775 with Alaska Airlines, Inc., for travel from Jan 18-Jan 25.

now $775

Low $842

High $1,755

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

Jett8 Airlines Cargo

Frontier Airlines

Cathay Pacific

Alaska Airlines, Inc.

Last-minute flights going from Seattle to Osaka

Sun, Aug 2

⌛ Last-Minute

SEA - Osaka

Seattle (SEA) - Osaka (KIX)

Alaska Airlines, Inc.

$953

$1,100

One-way

Mon, Aug 3

⌛ Last-Minute

SEA - Osaka

Seattle (SEA) - Osaka (KIX)

All Nippon Airways

$871

$1,071

One-way

Mon, Aug 3

⌛ Last-Minute

SEA - Osaka

Seattle (SEA) - Osaka (KIX)

All Nippon Airways

$847

$1,075

One-way

Tue, Aug 4

⌛ Last-Minute

SEA - Osaka

Seattle (SEA) - Osaka (KIX)

All Nippon Airways

$930

$1,026

One-way

Tue, Aug 4

⌛ Last-Minute

SEA - Osaka

Seattle (SEA) - Osaka (KIX)

Alaska Airlines, Inc.

$888

$1,050

One-way

Tue, Aug 4

⌛ Last-Minute

SEA - Osaka

Seattle (SEA) - Osaka (KIX)

Alaska Airlines, Inc.

$1,028

$1,100

One-way

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

14 nights

Jan 12 - Jan 26

$1,063 → $844

21%

19 nights

Jan 12 - Jan 31

$1,051 → $844

20%

6 nights

Jan 12 - Jan 18

$1,015 → $843

17%

20 nights

Jan 6 - Jan 26

$1,054 → $942

11%

Popular Airports to fly from Seattle to Osaka

Seattle - Osaka route insights

💸 Price insights

Recent fares are near the typical level

Recent fares for Seattle to Osaka are near the typical level, with a median price of $1142.

📅 Best time to fly

Fly in October, March, or January for the best prices

Historically, October, March, and January offer the lowest median prices at $505 and $551.

⏱️ Flight duration

Expect a long-haul flight of 30h 0m

Flights from Seattle to Osaka typically involve a long-haul journey with a median duration of 30 hours.

✈️ Airlines & availability

Connecting flights are dominant for this route

Direct flights are not common, with most routes requiring two or more stopovers.

🏆 Airline highlight

Alaska Airlines, Inc. offers deals from $775

Alaska Airlines, Inc. recently offered a deal for $775 for a flight from Seattle to Osaka.

🎯 Booking tip

Deals are frequent on this route

Historically, deals for flights from Seattle to Osaka appear frequently, offering good opportunities to book.

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

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

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

Business & First Class Flight Deals to Osaka

93% AI deal score

$5,707

$3,344

Save $2,363

Frequently Asked Questions About Flights to Osaka

To find more affordable flights, consider being flexible with your travel dates and times. Using flight comparison sites can help you compare prices across various airlines and booking platforms. Often, booking in advance or looking at flights during off-peak seasons may lead to better deals.

Booking flights in advance, often several months before your intended travel date, can sometimes result in lower prices. However, prices can fluctuate, so monitoring fares over time may help you identify a good booking window. Weekday bookings might also offer different pricing compared to weekends.

Comparing nearby airports at both your origin and destination can sometimes uncover more affordable flight options. While it may add to your ground travel time, the potential savings on airfare can be significant. Always factor in the cost and convenience of transportation to and from alternative airports.

Seattle to Osaka: Overview

Insights for flights from Seattle to Osaka

How much is a round trip from Seattle to Osaka

Regular price: $842 - $1,755

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

Regular prices for flights from Seattle to Osaka typically range from $842 to $1755. The current lowest deal is $775 with Alaska Airlines, Inc., for travel from Jan 18-Jan 25.

now $775

Low $842

High $1,755

The cheapest time to fly from Seattle to Osaka

March

Cheapest

Flights from $505

July

Most Expensive

Flights from $1,512

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec