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Cheap flights from Seattle to Busan from $367

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Busan departing on 4/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to Busan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Cathay Pacific Logo
11:45 am - 7:00 am
SEA
-
PUS
27h 15m
1 stop
Cathay Pacific Logo
7:45 am - 10:05 am
PUS
-
SEA
18h 20m
1 stop
$764Cathay Pacific
Wed, Apr 22 - Wed, May 27
Cathay Pacific Logo
11:45 am - 7:00 am
SEA
-
PUS
27h 15m
1 stop
Cathay Pacific Logo
7:45 am - 10:05 am
PUS
-
SEA
18h 20m
1 stop
$827Cathay Pacific
Wed, Apr 22 - Wed, May 20
EVA Air Logo
1:30 am - 6:00 pm
SEA
-
PUS
24h 30m
1 stop
EVA Air Logo
7:10 pm - 7:30 pm
PUS
-
SEA
16h 20m
1 stop
$846EVA Air
Tue, Apr 21 - Thu, Apr 30
China Airlines Logo
1:55 am - 9:30 am
SEA
-
PUS
15h 35m
1 stop
China Airlines Logo
10:30 am - 7:15 pm
PUS
-
SEA
24h 45m
1 stop
$886China Airlines
Sun, Aug 9 - Tue, Sep 29
EVA Air Logo
12:50 am - 6:00 pm
SEA
-
PUS
25h 10m
1 stop
EVA Air Logo
7:10 pm - 7:30 pm
PUS
-
SEA
16h 20m
1 stop
$922EVA Air
Thu, Apr 30 - Fri, May 29
Cathay Pacific Logo
11:45 am - 1:35 pm
SEA
-
PUS
33h 50m
1 stop
Cathay Pacific Logo
2:20 pm - 10:05 am
PUS
-
SEA
35h 45m
1 stop
$949Cathay Pacific
Mon, Apr 6 - Mon, Apr 20
Multiple Airlines Logo
7:06 pm - 11:15 am
SEA
-
PUS
24h 09m
2 stops
Multiple Airlines Logo
12:15 pm - 9:29 am
PUS
-
SEA
37h 14m
2 stops
$950Multiple Airlines
Wed, Apr 22 - Thu, Apr 30
Multiple Airlines Logo
7:04 pm - 6:00 pm
SEA
-
PUS
30h 56m
2 stops
Multiple Airlines Logo
7:10 pm - 7:30 pm
PUS
-
SEA
16h 20m
1 stop
$953Multiple Airlines
Wed, Apr 22 - Thu, Apr 30
EVA Air Logo
1:50 am - 6:00 pm
SEA
-
PUS
24h 10m
1 stop
EVA Air Logo
7:10 pm - 7:40 pm
PUS
-
SEA
16h 30m
1 stop
$965EVA Air
Wed, May 6 - Sat, Jun 6
Multiple Airlines Logo
1:30 am - 6:00 pm
SEA
-
PUS
24h 30m
1 stop
Multiple Airlines Logo
7:10 pm - 8:57 am
PUS
-
SEA
29h 47m
2 stops
$971Multiple Airlines
Tue, Apr 21 - Wed, May 27

China Airlines flights from Seattle to Busan

Our best China Airlines deals on Seattle to Busan flight tickets
China Airlines
Aug 9
SEA1:55 amSeattle/Tacoma Intl
15h 35m
1 stop
PUS9:30 amBusan Gimhae
Sep 29
PUS10:30 amBusan Gimhae
24h 45m
1 stop
SEA7:15 pmSeattle/Tacoma Intl
$886
China Airlines
Mar 2
SEA12:10 amSeattle/Tacoma Intl
25h 40m
1 stop
PUS6:50 pmBusan Gimhae
Mar 8
PUS11:50 amBusan Gimhae
23h 20m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
$989
China Airlines
May 19
SEA1:15 amSeattle/Tacoma Intl
25h 45m
1 stop
PUS7:00 pmBusan Gimhae
May 26
PUS8:00 pmBusan Gimhae
15h 15m
1 stop
SEA7:15 pmSeattle/Tacoma Intl
$1,000

Cathay Pacific flights from Seattle to Busan

Our best Cathay Pacific deals on Seattle to Busan flight tickets
Cathay Pacific
Apr 22
SEA11:45 amSeattle/Tacoma Intl
27h 15m
1 stop
PUS7:00 amBusan Gimhae
May 27
PUS7:45 amBusan Gimhae
18h 20m
1 stop
SEA10:05 amSeattle/Tacoma Intl
$764
Cathay Pacific
Apr 22
SEA11:45 amSeattle/Tacoma Intl
27h 15m
1 stop
PUS7:00 amBusan Gimhae
May 20
PUS7:45 amBusan Gimhae
18h 20m
1 stop
SEA10:05 amSeattle/Tacoma Intl
$827
Cathay Pacific
Apr 6
SEA11:45 amSeattle/Tacoma Intl
33h 50m
1 stop
PUS1:35 pmBusan Gimhae
Apr 20
PUS2:20 pmBusan Gimhae
35h 45m
1 stop
SEA10:05 amSeattle/Tacoma Intl
$949

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Busan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from Seattle to Busan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Wed 4/22

11:45 am-7:00 am

1 stop27h 15m

Busan Gimhae

Wed 5/27

7:45 am-10:05 am

1 stop18h 20m

$764

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Wed 4/22

11:45 am-7:00 am

1 stop27h 15m

Busan Gimhae

Wed 5/20

7:45 am-10:05 am

1 stop18h 20m

$827

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Tue 4/21

1:30 am-6:00 pm

1 stop24h 30m

Busan Gimhae

Thu 4/30

7:10 pm-7:30 pm

1 stop16h 20m

$846

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sun 8/9

1:55 am-9:30 am

1 stop15h 35m

Busan Gimhae

Tue 9/29

10:30 am-7:15 pm

1 stop24h 45m

$886

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Thu 4/30

12:50 am-6:00 pm

1 stop25h 10m

Busan Gimhae

Fri 5/29

7:10 pm-7:30 pm

1 stop16h 20m

$922

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Mon 4/6

11:45 am-1:35 pm

1 stop33h 50m

Busan Gimhae

Mon 4/20

2:20 pm-10:05 am

1 stop35h 45m

$949

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Wed 4/22

7:06 pm-11:15 am

2 stops24h 09m

Busan Gimhae

Thu 4/30

12:15 pm-9:29 am

2 stops37h 14m

$950

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Wed 4/22

7:04 pm-6:00 pm

2 stops30h 56m

Busan Gimhae

Thu 4/30

7:10 pm-7:30 pm

1 stop16h 20m

$953

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Wed 5/6

1:50 am-6:00 pm

1 stop24h 10m

Busan Gimhae

Sat 6/6

7:10 pm-7:40 pm

1 stop16h 30m

$965

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Tue 4/21

1:30 am-6:00 pm

1 stop24h 30m

Busan Gimhae

Wed 5/27

7:10 pm-8:57 am

2 stops29h 47m

$971

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Busan from

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

What is the cheapest month to fly to Busan?

The cheapest month to fly to Busan from Seattle is in August. Flight prices, which tend to average around $892, 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 August, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $972.

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

26h 45m

Direct flights

None
The fastest flight from Seattle to Busan takes 26h 45m
There are no direct flights from Seattle to Busan. There are no popular flight routes from Seattle to Busan.
Search flight deals

  • 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. 26h 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?

  • 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?

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
China AirlinesPriceFrom $835Free CancellationRating
8.3
804 reviews
Search China Airlines flights
Korean AirPriceFrom $959Free CancellationRating
8.4
1,191 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.

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