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

Cathay Pacific and China Airlines 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 August 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.

$440 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.

12:25 pm - 1:35 pmSEA Seattle/Tacoma Intl-PUS Busan Gimhae

33h 10m1 stop Hong Kong Intl

7:45 am - 10:20 amPUS Busan Gimhae-SEA Seattle/Tacoma Intl

18h 35m1 stop Hong Kong Intl

$850Cathay Pacific

Tue, Sep 8 - Tue, Sep 15

11:45 am - 7:00 amSEA Seattle/Tacoma Intl-PUS Busan Gimhae

27h 15m1 stop Hong Kong Intl

2:20 pm - 10:05 amPUS Busan Gimhae-SEA Seattle/Tacoma Intl

35h 45m1 stop Hong Kong Intl

$856Cathay Pacific

Thu, Sep 17 - Wed, Oct 14

11:45 am - 7:00 amSEA Seattle/Tacoma Intl-PUS Busan Gimhae

27h 15m1 stop Hong Kong Intl

7:45 am - 10:05 amPUS Busan Gimhae-SEA Seattle/Tacoma Intl

18h 20m1 stop Hong Kong Intl

$856Cathay Pacific

Wed, Sep 16 - Wed, Oct 14

12:25 pm - 1:35 pmSEA Seattle/Tacoma Intl-PUS Busan Gimhae

33h 10m1 stop Hong Kong Intl

2:20 pm - 10:05 amPUS Busan Gimhae-SEA Seattle/Tacoma Intl

35h 45m1 stop Hong Kong Intl

$856Cathay Pacific

Tue, Sep 15 - Wed, Oct 14

11:45 am - 7:00 amSEA Seattle/Tacoma Intl-PUS Busan Gimhae

27h 15m1 stop Hong Kong Intl

2:20 pm - 10:05 amPUS Busan Gimhae-SEA Seattle/Tacoma Intl

35h 45m1 stop Hong Kong Intl

$878Cathay Pacific

Thu, Sep 17 - Tue, Oct 13

11:45 am - 1:35 pmSEA Seattle/Tacoma Intl-PUS Busan Gimhae

33h 50m1 stop Hong Kong Intl

7:45 am - 10:05 amPUS Busan Gimhae-SEA Seattle/Tacoma Intl

18h 20m1 stop Hong Kong Intl

$878Cathay Pacific

Wed, Sep 16 - Mon, Oct 12

11:45 am - 7:00 amSEA Seattle/Tacoma Intl-PUS Busan Gimhae

27h 15m1 stop Hong Kong Intl

7:45 am - 10:05 amPUS Busan Gimhae-SEA Seattle/Tacoma Intl

18h 20m1 stop Hong Kong Intl

$878Cathay Pacific

Thu, Sep 17 - Mon, Oct 12

11:45 am - 7:00 amSEA Seattle/Tacoma Intl-PUS Busan Gimhae

27h 15m1 stop Hong Kong Intl

2:20 pm - 10:05 amPUS Busan Gimhae-SEA Seattle/Tacoma Intl

35h 45m1 stop Hong Kong Intl

$878Cathay Pacific

Wed, Sep 16 - Tue, Oct 13

2:30 pm - 8:45 pmSEA Seattle/Tacoma Intl-PUS Busan Gimhae

37h 15m2 stops Los Angeles Incheon Intl

10:25 am - 9:00 amPUS Busan Gimhae-SEA Seattle/Tacoma Intl

15h 35m1 stop Incheon Intl

$1,318Korean Air

Sun, Nov 1 - Thu, Nov 5

7:16 am - 8:45 pmSEA Seattle/Tacoma Intl-PUS Busan Gimhae

20h 29m2 stops San Francisco Incheon Intl

4:10 pm - 11:51 amPUS Busan Gimhae-SEA Seattle/Tacoma Intl

12h 41m1 stop Incheon Intl

$1,326Korean Air

Sun, Nov 1 - Thu, Nov 5

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China Airlines flights from Seattle to Busan

Our best China Airlines deals on Seattle to Busan flight tickets

China Airlines

Sep 27

SEA1:15 amSeattle/Tacoma Intl

18h 00m

1 stop

PUS11:15 amBusan Gimhae

Oct 5

PUS10:30 amBusan Gimhae

24h 45m

1 stop

SEA7:15 pmSeattle/Tacoma Intl

$913

China Airlines

Sep 5

SEA1:55 amSeattle/Tacoma Intl

17h 20m

1 stop

PUS11:15 amBusan Gimhae

Sep 12

PUS12:15 pmBusan Gimhae

23h 30m

1 stop

SEA7:45 pmSeattle/Tacoma Intl

$929

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

$930

STARLUX Airlines flights from Seattle to Busan

Our best STARLUX Airlines deals on Seattle to Busan flight tickets

STARLUX Airlines

Nov 5

SEA11:45 pmSeattle/Tacoma Intl

25h 10m

1 stop

PUS5:55 pmBusan Gimhae

Nov 13

PUS12:30 pmBusan Gimhae

19h 35m

1 stop

SEA3:05 pmSeattle/Tacoma Intl

$948

STARLUX Airlines

Sep 14

SEA1:15 amSeattle/Tacoma Intl

25h 35m

1 stop

PUS6:50 pmBusan Gimhae

Oct 15

PUS6:55 pmBusan Gimhae

37h 15m

1 stop

SEA4:10 pmSeattle/Tacoma Intl

$950

STARLUX Airlines

Nov 1

SEA11:45 pmSeattle/Tacoma Intl

18h 45m

1 stop

PUS11:30 amBusan Gimhae

Nov 5

PUS6:55 pmBusan Gimhae

37h 10m

1 stop

SEA3:05 pmSeattle/Tacoma Intl

$991

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Tue 9/8

12:25 pm-1:35 pm

1 stop33h 10m

Busan Gimhae

Tue 9/15

7:45 am-10:20 am

1 stop18h 35m

$850

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Thu 9/17

11:45 am-7:00 am

1 stop27h 15m

Busan Gimhae

Wed 10/14

2:20 pm-10:05 am

1 stop35h 45m

$856

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Wed 9/16

11:45 am-7:00 am

1 stop27h 15m

Busan Gimhae

Wed 10/14

7:45 am-10:05 am

1 stop18h 20m

$856

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Tue 9/15

12:25 pm-1:35 pm

1 stop33h 10m

Busan Gimhae

Wed 10/14

2:20 pm-10:05 am

1 stop35h 45m

$856

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Thu 9/17

11:45 am-7:00 am

1 stop27h 15m

Busan Gimhae

Tue 10/13

2:20 pm-10:05 am

1 stop35h 45m

$878

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Wed 9/16

11:45 am-1:35 pm

1 stop33h 50m

Busan Gimhae

Mon 10/12

7:45 am-10:05 am

1 stop18h 20m

$878

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Thu 9/17

11:45 am-7:00 am

1 stop27h 15m

Busan Gimhae

Mon 10/12

7:45 am-10:05 am

1 stop18h 20m

$878

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Wed 9/16

11:45 am-7:00 am

1 stop27h 15m

Busan Gimhae

Tue 10/13

2:20 pm-10:05 am

1 stop35h 45m

$878

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Sun 11/1

2:30 pm-8:45 pm

2 stops37h 15m

Busan Gimhae

Thu 11/5

10:25 am-9:00 am

1 stop15h 35m

$1,318

Quickest round-trip

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Sun 11/1

7:16 am-8:45 pm

2 stops20h 29m

Busan Gimhae

Thu 11/5

4:10 pm-11:51 am

1 stop12h 41m

$1,326

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 July. 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 July, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $0.

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	18h 45m
Direct flights	None

The fastest flight from Seattle to Busan takes 18h 45m

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. 18h 45m 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 August 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 $956	Free Cancellation	Rating 8.4 1,221 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.