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 July 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.

$429 Cheap Flights from Seattle to Busan in 2026

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.

10:50 am - 1:20 pm

SEA

PUS

33h 30m

1 stop

2:05 pm - 9:10 am

PUS

SEA

36h 05m

1 stop

$864Cathay Pacific

Mon, Nov 9 - Tue, Nov 24

10:50 am - 1:20 pm

SEA

PUS

33h 30m

1 stop

2:05 pm - 9:10 am

PUS

SEA

36h 05m

1 stop

$931Cathay Pacific

Tue, Nov 10 - Tue, Nov 24

10:50 am - 1:20 pm

SEA

PUS

33h 30m

1 stop

2:05 pm - 9:10 am

PUS

SEA

36h 05m

1 stop

$972Cathay Pacific

Tue, Nov 10 - Sun, Nov 22

1:15 am - 5:55 pm

SEA

PUS

24h 40m

1 stop

6:55 pm - 3:05 pm

PUS

SEA

37h 10m

1 stop

$999STARLUX Airlines

Sun, Oct 18 - Thu, Nov 5

10:50 am - 1:20 pm

SEA

PUS

33h 30m

1 stop

2:05 pm - 9:10 am

PUS

SEA

36h 05m

1 stop

$1,006Cathay Pacific

Mon, Nov 9 - Mon, Nov 23

12:10 am - 11:55 am

SEA

PUS

19h 45m

1 stop

7:45 am - 10:40 am

PUS

SEA

42h 55m

2 stops

$1,018Multiple Airlines

Sun, Jul 12 - Mon, Sep 7

12:10 am - 11:55 am

SEA

PUS

19h 45m

1 stop

7:45 am - 10:40 am

PUS

SEA

42h 55m

2 stops

$1,022Multiple Airlines

Sun, Jul 12 - Fri, Sep 11

12:10 am - 12:00 pm

SEA

PUS

19h 50m

1 stop

7:45 am - 10:40 am

PUS

SEA

42h 55m

2 stops

$1,034Multiple Airlines

Sun, Jul 12 - Mon, Sep 7

12:10 am - 7:45 pm

SEA

PUS

27h 35m

1 stop

8:45 am - 1:40 pm

PUS

SEA

20h 55m

1 stop

$1,046Multiple Airlines

Sun, Jul 12 - Mon, Sep 7

10:50 am - 1:20 pm

SEA

PUS

33h 30m

1 stop

2:05 pm - 9:10 am

PUS

SEA

36h 05m

1 stop

$1,047Cathay Pacific

Mon, Nov 9 - Sun, Nov 22

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STARLUX Airlines flights from Seattle to Busan

Our best STARLUX Airlines deals on Seattle to Busan flight tickets

STARLUX Airlines

Oct 18

SEA1:15 amSeattle/Tacoma Intl

24h 40m

1 stop

PUS5:55 pmBusan Gimhae

Nov 5

PUS6:55 pmBusan Gimhae

37h 10m

1 stop

SEA3:05 pmSeattle/Tacoma Intl

$999

STARLUX Airlines

Sep 6

SEA1:15 amSeattle/Tacoma Intl

24h 40m

1 stop

PUS5:55 pmBusan Gimhae

Sep 25

PUS6:55 pmBusan Gimhae

37h 15m

1 stop

SEA4:10 pmSeattle/Tacoma Intl

$1,102

STARLUX Airlines

Aug 16

SEA1:15 amSeattle/Tacoma Intl

24h 40m

1 stop

PUS5:55 pmBusan Gimhae

Sep 3

PUS6:55 pmBusan Gimhae

37h 15m

1 stop

SEA4:10 pmSeattle/Tacoma Intl

$1,131

Cathay Pacific flights from Seattle to Busan

Our best Cathay Pacific deals on Seattle to Busan flight tickets

Cathay Pacific

Nov 9

SEA10:50 amSeattle/Tacoma Intl

33h 30m

1 stop

PUS1:20 pmBusan Gimhae

Nov 24

PUS2:05 pmBusan Gimhae

36h 05m

1 stop

SEA9:10 amSeattle/Tacoma Intl

$843

Cathay Pacific

Nov 10

SEA10:50 amSeattle/Tacoma Intl

33h 30m

1 stop

PUS1:20 pmBusan Gimhae

Nov 24

PUS2:05 pmBusan Gimhae

36h 05m

1 stop

SEA9:10 amSeattle/Tacoma Intl

$910

Cathay Pacific

Nov 10

SEA10:50 amSeattle/Tacoma Intl

33h 30m

1 stop

PUS1:20 pmBusan Gimhae

Nov 23

PUS2:05 pmBusan Gimhae

36h 05m

1 stop

SEA9:10 amSeattle/Tacoma Intl

$931

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Mon 11/9

10:50 am-1:20 pm

1 stop33h 30m

Busan Gimhae

Tue 11/24

2:05 pm-9:10 am

1 stop36h 05m

$864

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Tue 11/10

10:50 am-1:20 pm

1 stop33h 30m

Busan Gimhae

Tue 11/24

2:05 pm-9:10 am

1 stop36h 05m

$931

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Tue 11/10

10:50 am-1:20 pm

1 stop33h 30m

Busan Gimhae

Sun 11/22

2:05 pm-9:10 am

1 stop36h 05m

$972

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sun 10/18

1:15 am-5:55 pm

1 stop24h 40m

Busan Gimhae

Thu 11/5

6:55 pm-3:05 pm

1 stop37h 10m

$999

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Mon 11/9

10:50 am-1:20 pm

1 stop33h 30m

Busan Gimhae

Mon 11/23

2:05 pm-9:10 am

1 stop36h 05m

$1,006

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sun 7/12

12:10 am-11:55 am

1 stop19h 45m

Busan Gimhae

Mon 9/7

7:45 am-10:40 am

2 stops42h 55m

$1,018

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sun 7/12

12:10 am-11:55 am

1 stop19h 45m

Busan Gimhae

Fri 9/11

7:45 am-10:40 am

2 stops42h 55m

$1,022

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sun 7/12

12:10 am-12:00 pm

1 stop19h 50m

Busan Gimhae

Mon 9/7

7:45 am-10:40 am

2 stops42h 55m

$1,034

Quickest round-trip

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sun 7/12

12:10 am-7:45 pm

1 stop27h 35m

Busan Gimhae

Mon 9/7

8:45 am-1:40 pm

1 stop20h 55m

$1,046

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Mon 11/9

10:50 am-1:20 pm

1 stop33h 30m

Busan Gimhae

Sun 11/22

2:05 pm-9:10 am

1 stop36h 05m

$1,047

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 cheapest month to fly to Busan?

The cheapest month to fly to Busan from Seattle is in June. Flight prices, which tend to average around $0, 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 June, then flying in April 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 32m
Direct flights	None

The fastest flight from Seattle to Busan takes 21h 32m

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 32m 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 July 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 1,220 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.