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Cheap flights from Seattle to Busan from $479

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 3/3. 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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Find the cheapest flights from Seattle to Busan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 12:10 pmSEA-PUS
36h 10m2 stops
Multiple Airlines Logo
8:20 am - 10:50 amPUS-SEA
19h 30m1 stop
$864Multiple Airlines
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Wed, Dec 3 - Wed, Dec 10
Multiple Airlines Logo
12:10 am - 8:15 pmSEA-PUS
27h 05m1 stop
Multiple Airlines Logo
8:45 am - 6:48 pmPUS-SEA
27h 03m2 stops
$881Multiple Airlines
Find Deal
Sun, Nov 23 - Sun, Dec 7
Korean Air Logo
11:00 am - 7:50 pmSEA-PUS
15h 50m1 stop
Korean Air Logo
4:10 pm - 1:20 pmPUS-SEA
14h 10m1 stop
$924Korean Air
Find Deal
Mon, Nov 24 - Sun, Dec 7
Asiana Airlines Logo
12:10 am - 10:05 amSEA-PUS
16h 55m1 stop
Asiana Airlines Logo
4:00 pm - 1:55 pmPUS-SEA
14h 55m1 stop
$932Asiana Airlines
Find Deal
Sun, Nov 23 - Sun, Dec 7
Asiana Airlines Logo
12:10 am - 3:15 pmSEA-PUS
22h 05m1 stop
Asiana Airlines Logo
8:30 pm - 1:55 pmPUS-SEA
34h 25m1 stop
$947Asiana Airlines
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Tue, Dec 2 - Wed, Dec 10
Korean Air Logo
11:00 am - 8:05 amSEA-PUS
28h 05m1 stop
Korean Air Logo
7:00 am - 9:00 amPUS-SEA
19h 00m1 stop
$959Korean Air
Find Deal
Mon, Dec 1 - Fri, Dec 12
China Airlines Logo
1:10 am - 7:00 pmSEA-PUS
25h 50m1 stop
China Airlines Logo
12:15 pm - 7:30 pmPUS-SEA
23h 15m1 stop
$967China Airlines
Find Deal
Thu, Apr 2 - Sun, Apr 19
Delta Logo
11:15 am - 3:10 pmSEA-PUS
34h 55m1 stop
Delta Logo
7:55 am - 1:20 pmPUS-SEA
22h 25m1 stop
$978Delta
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Mon, Nov 24 - Fri, Nov 28
Delta Logo
12:45 pm - 7:45 amSEA-PUS
27h 00m1 stop
Delta Logo
10:40 am - 2:00 pmPUS-SEA
19h 20m1 stop
$980Delta
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Sun, Apr 19 - Wed, Apr 22
China Airlines Logo
1:10 am - 7:00 pmSEA-PUS
25h 50m1 stop
China Airlines Logo
8:00 pm - 7:30 pmPUS-SEA
15h 30m1 stop
$1,026China Airlines
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Sat, Apr 11 - Sun, Apr 26

China Airlines flights from Seattle to Busan

Our best China Airlines deals on Seattle to Busan flight tickets
China Airlines
Apr 2
SEA1:10 amSeattle/Tacoma Intl
25h 50m
1 stop
PUS7:00 pmBusan Gimhae
Apr 19
PUS12:15 pmBusan Gimhae
23h 15m
1 stop
SEA7:30 pmSeattle/Tacoma Intl
$967
Find similar
China Airlines
Apr 11
SEA1:10 amSeattle/Tacoma Intl
25h 50m
1 stop
PUS7:00 pmBusan Gimhae
Apr 26
PUS8:00 pmBusan Gimhae
15h 30m
1 stop
SEA7:30 pmSeattle/Tacoma Intl
$1,026
Find similar

Korean Air flights from Seattle to Busan

Our best Korean Air deals on Seattle to Busan flight tickets
Korean Air
Nov 24
SEA11:00 amSeattle/Tacoma Intl
15h 50m
1 stop
PUS7:50 pmBusan Gimhae
Dec 7
PUS4:10 pmBusan Gimhae
14h 10m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$924
Find similar
Korean Air
Dec 1
SEA11:00 amSeattle/Tacoma Intl
28h 05m
1 stop
PUS8:05 amBusan Gimhae
Dec 12
PUS7:00 amBusan Gimhae
19h 00m
1 stop
SEA9:00 amSeattle/Tacoma Intl
$959
Find similar
Korean Air
Nov 24
SEA7:10 amSeattle/Tacoma Intl
20h 35m
2 stops
PUS8:45 pmBusan Gimhae
Dec 7
PUS7:00 amBusan Gimhae
19h 00m
1 stop
SEA9:00 amSeattle/Tacoma Intl
$979
Find similar

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 November 6, 2025.
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 12/3

7:00 am-12:10 pm

2 stops36h 10m

Busan Gimhae

Wed 12/10

8:20 am-10:50 am

1 stop19h 30m

$864

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sun 11/23

12:10 am-8:15 pm

1 stop27h 05m

Busan Gimhae

Sun 12/7

8:45 am-6:48 pm

2 stops27h 03m

$881

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Mon 11/24

11:00 am-7:50 pm

1 stop15h 50m

Busan Gimhae

Sun 12/7

4:10 pm-1:20 pm

1 stop14h 10m

$924

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sun 11/23

12:10 am-10:05 am

1 stop16h 55m

Busan Gimhae

Sun 12/7

4:00 pm-1:55 pm

1 stop14h 55m

$932

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Tue 12/2

12:10 am-3:15 pm

1 stop22h 05m

Busan Gimhae

Wed 12/10

8:30 pm-1:55 pm

1 stop34h 25m

$947

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Mon 12/1

11:00 am-8:05 am

1 stop28h 05m

Busan Gimhae

Fri 12/12

7:00 am-9:00 am

1 stop19h 00m

$959

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Thu 4/2

1:10 am-7:00 pm

1 stop25h 50m

Busan Gimhae

Sun 4/19

12:15 pm-7:30 pm

1 stop23h 15m

$967

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Mon 11/24

11:15 am-3:10 pm

1 stop34h 55m

Busan Gimhae

Fri 11/28

7:55 am-1:20 pm

1 stop22h 25m

$978

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sun 4/19

12:45 pm-7:45 am

1 stop27h 00m

Busan Gimhae

Wed 4/22

10:40 am-2:00 pm

1 stop19h 20m

$980

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sat 4/11

1:10 am-7:00 pm

1 stop25h 50m

Busan Gimhae

Sun 4/26

8:00 pm-7:30 pm

1 stop15h 30m

$1,026

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 $953.

What is the cheapest day to depart on your flight to Busan?

Our data shows that Tuesday is the least expensive day to fly to Busan. Tickets to fly out on this day can be as low as $1,471. Flights from Seattle to Busan on a Saturday will generally be more expensive and average around $1,760. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Busan?

In the evening is the cheapest time of day to fly from Seattle to Busan when you can find flight prices for as low as $950. Flying to Busan in the evening is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Busan, so prices are often more expensive at around $1,556 per ticket.

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

Direct flights

None
There are no direct flights from Seattle to Busan. There are no popular flight routes from Seattle to Busan.
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  • 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 00m 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
778 reviews
Search China Airlines flights
DeltaPriceFrom $956Free CancellationRating
7.9
8,001 reviews
Search Delta flights
Korean AirPriceFrom $959Free CancellationRating
8.4
1,160 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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