What is the cheapest airline that flies from Seattle/Tacoma Intl to Busan Gimhae?

Cathay Pacific and Delta are the most popular carriers operating from Seattle/Tacoma Intl to Busan Gimhae

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

Prices for flights from Seattle/Tacoma Intl Airport to Busan Gimhae Airport were last updated today.

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

The number of operators available for flights from Seattle/Tacoma Intl Airport to Busan Gimhae Airport is 1 as of May 2026.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Busan Gimhae Airport?

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 Busan Gimhae Airport.

What documentation or ID do you need to fly to Busan Gimhae Airport?

The travel and health documents you'll need for your trip to Busan Gimhae Airport 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 Busan Gimhae Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$456 Cheap Flights from Seattle to Busan in 2026

Q: What is the typical price of a round-trip flight between Seattle and Busan?

Prices are currently low for flights on this route. Typical prices usually range from $1,571 to $1,055. The lowest price recently found on this route was $925.

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Find the cheapest flights from Seattle to Busan

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:25 pm - 1:35 pm

SEA

PUS

33h 10m

1 stop

7:45 am - 10:20 am

PUS

SEA

18h 35m

1 stop

$925Cathay Pacific

Tue, Sep 1 - Wed, Sep 9

12:25 pm - 7:00 am

SEA

PUS

26h 35m

1 stop

2:20 pm - 10:20 am

PUS

SEA

36h 00m

1 stop

$928Cathay Pacific

Mon, Aug 31 - Wed, Sep 9

12:25 pm - 7:00 am

SEA

PUS

26h 35m

1 stop

2:20 pm - 10:20 am

PUS

SEA

36h 00m

1 stop

$978Cathay Pacific

Mon, Aug 31 - Fri, Sep 11

12:25 pm - 7:00 am

SEA

PUS

26h 35m

1 stop

7:45 am - 10:20 am

PUS

SEA

18h 35m

1 stop

$1,000Cathay Pacific

Wed, Sep 2 - Wed, Sep 9

12:25 pm - 7:00 am

SEA

PUS

26h 35m

1 stop

2:20 pm - 10:20 am

PUS

SEA

36h 00m

1 stop

$1,053Cathay Pacific

Wed, Sep 2 - Fri, Sep 11

1:15 am - 9:30 am

SEA

PUS

16h 15m

1 stop

11:50 am - 6:10 pm

PUS

SEA

23h 20m

1 stop

$1,078China Airlines

Sun, Oct 18 - Thu, Nov 5

1:15 am - 9:30 am

SEA

PUS

16h 15m

1 stop

11:50 am - 6:10 pm

PUS

SEA

23h 20m

1 stop

$1,079China Airlines

Sun, Oct 18 - Thu, Nov 5

1:55 am - 9:30 am

SEA

PUS

15h 35m

1 stop

8:00 pm - 7:45 pm

PUS

SEA

15h 45m

1 stop

$1,084China Airlines

Sun, Aug 30 - Thu, Sep 10

11:45 am - 1:35 pm

SEA

PUS

33h 50m

1 stop

2:05 pm - 10:10 am

PUS

SEA

36h 05m

1 stop

$1,105Cathay Pacific

Mon, Oct 19 - Tue, Oct 27

1:55 am - 9:30 am

SEA

PUS

15h 35m

1 stop

8:00 pm - 7:45 pm

PUS

SEA

15h 45m

1 stop

$1,108China Airlines

Sat, Aug 29 - Tue, Sep 8

China Airlines flights from Seattle to Busan

Our best China Airlines deals on Seattle to Busan flight tickets

China Airlines

Oct 18

SEA1:15 amSeattle/Tacoma Intl

16h 15m

1 stop

PUS9:30 amBusan Gimhae

Nov 5

PUS11:50 amBusan Gimhae

23h 20m

1 stop

SEA6:10 pmSeattle/Tacoma Intl

$1,078

China Airlines

Oct 18

SEA1:15 amSeattle/Tacoma Intl

16h 15m

1 stop

PUS9:30 amBusan Gimhae

Nov 5

PUS11:50 amBusan Gimhae

23h 20m

1 stop

SEA6:10 pmSeattle/Tacoma Intl

$1,079

China Airlines

Aug 30

SEA1:55 amSeattle/Tacoma Intl

15h 35m

1 stop

PUS9:30 amBusan Gimhae

Sep 10

PUS8:00 pmBusan Gimhae

15h 45m

1 stop

SEA7:45 pmSeattle/Tacoma Intl

$1,084

Delta flights from Seattle to Busan

Our best Delta deals on Seattle to Busan flight tickets

Delta

Jul 23

SEA1:05 pmSeattle/Tacoma Intl

28h 25m

1 stop

PUS9:30 amBusan Gimhae

Jul 28

PUS10:40 amBusan Gimhae

27h 09m

2 stops

SEA9:49 pmSeattle/Tacoma Intl

$1,247

Delta

Jul 23

SEA7:20 amSeattle/Tacoma Intl

21h 25m

2 stops

PUS8:45 pmBusan Gimhae

Jul 28

PUS8:45 amBusan Gimhae

29h 04m

2 stops

SEA9:49 pmSeattle/Tacoma Intl

$1,391

Delta

Jul 23

SEA1:05 pmSeattle/Tacoma Intl

26h 40m

1 stop

PUS7:45 amBusan Gimhae

Jul 28

PUS7:00 amBusan Gimhae

20h 00m

1 stop

SEA11:00 amSeattle/Tacoma Intl

$1,407

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Tue 9/1

12:25 pm-1:35 pm

1 stop33h 10m

Busan Gimhae

Wed 9/9

7:45 am-10:20 am

1 stop18h 35m

$925

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Mon 8/31

12:25 pm-7:00 am

1 stop26h 35m

Busan Gimhae

Wed 9/9

2:20 pm-10:20 am

1 stop36h 00m

$928

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Mon 8/31

12:25 pm-7:00 am

1 stop26h 35m

Busan Gimhae

Fri 9/11

2:20 pm-10:20 am

1 stop36h 00m

$978

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Wed 9/2

12:25 pm-7:00 am

1 stop26h 35m

Busan Gimhae

Wed 9/9

7:45 am-10:20 am

1 stop18h 35m

$1,000

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Wed 9/2

12:25 pm-7:00 am

1 stop26h 35m

Busan Gimhae

Fri 9/11

2:20 pm-10:20 am

1 stop36h 00m

$1,053

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sun 10/18

1:15 am-9:30 am

1 stop16h 15m

Busan Gimhae

Thu 11/5

11:50 am-6:10 pm

1 stop23h 20m

$1,078

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sun 10/18

1:15 am-9:30 am

1 stop16h 15m

Busan Gimhae

Thu 11/5

11:50 am-6:10 pm

1 stop23h 20m

$1,079

Quickest round-trip

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sun 8/30

1:55 am-9:30 am

1 stop15h 35m

Busan Gimhae

Thu 9/10

8:00 pm-7:45 pm

1 stop15h 45m

$1,084

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Mon 10/19

11:45 am-1:35 pm

1 stop33h 50m

Busan Gimhae

Tue 10/27

2:05 pm-10:10 am

1 stop36h 05m

$1,105

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sat 8/29

1:55 am-9:30 am

1 stop15h 35m

Busan Gimhae

Tue 9/8

8:00 pm-7:45 pm

1 stop15h 45m

$1,108

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seattle to Busan

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

Prices

Airlines

What is the typical price of a round-trip flight between Seattle and Busan?

What is the cheapest month to fly to Busan?

The cheapest month to fly to Busan from Seattle is in April. Flight prices, which tend to average around $995, are often lower during this time because this is during the off-season. If you aren’t able to travel to Busan during the month of April, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $995.

When to book flights from Seattle to Busan

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

Estimated round-trip price

Cheap Seattle to Busan (SEA to PUS) flight deals and tips

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

Fastest flight time	21h 15m
Direct flights	None

The fastest flight from Seattle to Busan takes 21h 15m

There are no direct flights from Seattle to Busan. There are no popular flight routes from Seattle to Busan.

Search flight deals

Frequently asked questions about flying from Seattle to Busan

How far is Seattle/Tacoma Intl to Busan Gimhae by plane?
The straight-line distance from Seattle/Tacoma Intl to Busan Gimhae is 5220.0 mi. 21h 15m is a normal flight duration for this route.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Busan Gimhae Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Busan Gimhae Airport were last updated today.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Busan Gimhae Airport?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Busan Gimhae Airport is 1 as of May 2026.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Busan Gimhae Airport?
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 Busan Gimhae Airport.
What documentation or ID do you need to fly to Busan Gimhae Airport?
The travel and health documents you'll need for your trip to Busan Gimhae Airport 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 Busan Gimhae Airport. 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 Busan?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seattle to Busan is Korean Air (100% of total bookings).

Best airlines flying from Seattle to Busan

Compare and see reviews for airlines that fly from Seattle to Busan with momondo

Airline	Rating	Free Cancellation	Price
Korean Air	PriceFrom $959	Free Cancellation	Rating 8.4 1,217 reviews		Search Korean Air flights

Why use momondo?

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

It is quick and easy to find Seattle to Busan flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Busan that suits you.

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

Flights from Seattle to Busan with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Busan from Seattle.

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

Price alerts on flights to Busan from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.