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Cheap flights from Seattle to Busan from $485

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 4/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
China Eastern Logo
7:15 am - 4:50 pm
SEA
-
PUS
41h 35m
2 stops
China Eastern Logo
12:35 pm - 4:53 pm
PUS
-
SEA
44h 18m
2 stops
$955China Eastern
Sat, May 9 - Tue, May 12
China Eastern Logo
7:15 am - 11:35 am
SEA
-
PUS
36h 20m
2 stops
China Eastern Logo
12:35 pm - 4:53 pm
PUS
-
SEA
44h 18m
2 stops
$959China Eastern
Mon, May 11 - Wed, May 20
China Eastern Logo
7:15 am - 11:35 am
SEA
-
PUS
36h 20m
2 stops
China Eastern Logo
12:35 pm - 4:53 pm
PUS
-
SEA
44h 18m
2 stops
$961China Eastern
Mon, May 11 - Wed, May 20
Asiana Airlines Logo
12:55 am - 5:45 pm
SEA
-
PUS
24h 50m
1 stop
Asiana Airlines Logo
8:20 pm - 2:55 pm
PUS
-
SEA
34h 35m
1 stop
$982Asiana Airlines
Sun, May 10 - Wed, May 20
China Eastern Logo
7:15 am - 11:35 am
SEA
-
PUS
36h 20m
2 stops
China Eastern Logo
5:50 pm - 4:53 pm
PUS
-
SEA
39h 03m
2 stops
$993China Eastern
Mon, May 11 - Wed, May 20
Asiana Airlines Logo
12:55 am - 10:10 am
SEA
-
PUS
17h 15m
1 stop
Asiana Airlines Logo
3:00 pm - 3:25 pm
PUS
-
SEA
16h 25m
1 stop
$998Asiana Airlines
Tue, Jul 21 - Mon, Aug 24
EVA Air Logo
12:30 am - 6:00 pm
SEA
-
PUS
25h 30m
1 stop
EVA Air Logo
7:10 pm - 7:40 pm
PUS
-
SEA
16h 30m
1 stop
$999EVA Air
Sat, Sep 5 - Wed, Sep 9
EVA Air Logo
1:30 am - 6:00 pm
SEA
-
PUS
24h 30m
1 stop
EVA Air Logo
7:10 pm - 7:40 pm
PUS
-
SEA
16h 30m
1 stop
$1,000EVA Air
Sat, Sep 5 - Wed, Sep 9
China Airlines Logo
1:15 am - 11:15 am
SEA
-
PUS
18h 00m
1 stop
China Airlines Logo
10:30 am - 7:15 pm
PUS
-
SEA
24h 45m
1 stop
$1,042China Airlines
Sat, May 9 - Tue, May 19
China Airlines Logo
1:55 am - 11:15 am
SEA
-
PUS
17h 20m
1 stop
China Airlines Logo
8:00 pm - 7:45 pm
PUS
-
SEA
15h 45m
1 stop
$1,065China Airlines
Sun, Aug 2 - Mon, Aug 24

China Eastern flights from Seattle to Busan

Our best China Eastern deals on Seattle to Busan flight tickets
China Eastern
May 11
SEA7:15 amSeattle/Tacoma Intl
36h 20m
2 stops
PUS11:35 amBusan Gimhae
May 20
PUS12:35 pmBusan Gimhae
44h 18m
2 stops
SEA4:53 pmSeattle/Tacoma Intl
$959
China Eastern
May 11
SEA7:15 amSeattle/Tacoma Intl
36h 20m
2 stops
PUS11:35 amBusan Gimhae
May 20
PUS5:50 pmBusan Gimhae
39h 03m
2 stops
SEA4:53 pmSeattle/Tacoma Intl
$993
China Eastern
May 10
SEA7:25 amSeattle/Tacoma Intl
36h 10m
2 stops
PUS11:35 amBusan Gimhae
May 19
PUS5:50 pmBusan Gimhae
39h 03m
2 stops
SEA4:53 pmSeattle/Tacoma Intl
$1,468

Korean Air flights from Seattle to Busan

Our best Korean Air deals on Seattle to Busan flight tickets
Korean Air
May 11
SEA12:50 pmSeattle/Tacoma Intl
28h 40m
1 stop
PUS9:30 amBusan Gimhae
May 22
PUS10:40 amBusan Gimhae
16h 00m
1 stop
SEA10:40 amSeattle/Tacoma Intl
$1,133
Korean Air
Sep 6
SEA7:20 amSeattle/Tacoma Intl
21h 25m
2 stops
PUS8:45 pmBusan Gimhae
Sep 9
PUS8:45 amBusan Gimhae
17h 55m
1 stop
SEA10:40 amSeattle/Tacoma Intl
$1,251
Korean Air
Sep 6
SEA7:20 amSeattle/Tacoma Intl
20h 15m
2 stops
PUS7:35 pmBusan Gimhae
Sep 9
PUS10:40 amBusan Gimhae
18h 57m
1 stop
SEA1:37 pmSeattle/Tacoma Intl
$1,351

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 April 2, 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

Cheapest round-trip

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sat 5/9

7:15 am-4:50 pm

2 stops41h 35m

Busan Gimhae

Tue 5/12

12:35 pm-4:53 pm

2 stops44h 18m

$955

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Mon 5/11

7:15 am-11:35 am

2 stops36h 20m

Busan Gimhae

Wed 5/20

12:35 pm-4:53 pm

2 stops44h 18m

$959

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Mon 5/11

7:15 am-11:35 am

2 stops36h 20m

Busan Gimhae

Wed 5/20

12:35 pm-4:53 pm

2 stops44h 18m

$961

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sun 5/10

12:55 am-5:45 pm

1 stop24h 50m

Busan Gimhae

Wed 5/20

8:20 pm-2:55 pm

1 stop34h 35m

$982

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Mon 5/11

7:15 am-11:35 am

2 stops36h 20m

Busan Gimhae

Wed 5/20

5:50 pm-4:53 pm

2 stops39h 03m

$993

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Tue 7/21

12:55 am-10:10 am

1 stop17h 15m

Busan Gimhae

Mon 8/24

3:00 pm-3:25 pm

1 stop16h 25m

$998

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sat 9/5

12:30 am-6:00 pm

1 stop25h 30m

Busan Gimhae

Wed 9/9

7:10 pm-7:40 pm

1 stop16h 30m

$999

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sat 9/5

1:30 am-6:00 pm

1 stop24h 30m

Busan Gimhae

Wed 9/9

7:10 pm-7:40 pm

1 stop16h 30m

$1,000

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sat 5/9

1:15 am-11:15 am

1 stop18h 00m

Busan Gimhae

Tue 5/19

10:30 am-7:15 pm

1 stop24h 45m

$1,042
Quickest round-trip

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sun 8/2

1:55 am-11:15 am

1 stop17h 20m

Busan Gimhae

Mon 8/24

8:00 pm-7:45 pm

1 stop15h 45m

$1,065

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 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 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 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

15h 55m

Direct flights

None
The fastest flight from Seattle to Busan takes 15h 55m
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. 15h 55m 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
Korean AirPriceFrom $959Free CancellationRating
8.4
1,203 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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