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Cheap flights from Seattle to Busan from $455

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 3/17. 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.
EVA Air Logo
1:10 am - 5:40 pm
SEA
-
PUS
24h 30m1 stop
EVA Air Logo
2:55 pm - 7:10 pm
PUS
-
SEA
20h 15m1 stop
$857EVA Air
Sun, Mar 15 - Wed, Mar 25
EVA Air Logo
1:10 am - 5:40 pm
SEA
-
PUS
24h 30m1 stop
EVA Air Logo
6:55 pm - 6:30 pm
PUS
-
SEA
15h 35m1 stop
$859EVA Air
Tue, Mar 17 - Tue, Mar 24
EVA Air Logo
1:10 am - 5:40 pm
SEA
-
PUS
24h 30m1 stop
EVA Air Logo
6:55 pm - 7:10 pm
PUS
-
SEA
16h 15m1 stop
$885EVA Air
Sun, Mar 15 - Thu, Mar 26
EVA Air Logo
1:10 am - 2:35 pm
SEA
-
PUS
21h 25m1 stop
EVA Air Logo
6:55 pm - 6:30 pm
PUS
-
SEA
15h 35m1 stop
$910EVA Air
Wed, Mar 18 - Tue, Mar 24
China Eastern Logo
7:15 am - 11:35 am
SEA
-
PUS
36h 20m2 stops
China Eastern Logo
5:50 pm - 5:09 pm
PUS
-
SEA
39h 19m2 stops
$914China Eastern
Tue, Mar 17 - Wed, Mar 25
Multiple Airlines Logo
10:30 pm - 11:50 am
SEA
-
PUS
21h 20m1 stop
Multiple Airlines Logo
7:20 am - 5:09 pm
PUS
-
SEA
25h 49m2 stops
$920Multiple Airlines
Sun, Mar 15 - Wed, Mar 25
EVA Air Logo
1:10 am - 2:35 pm
SEA
-
PUS
21h 25m1 stop
EVA Air Logo
6:55 pm - 7:10 pm
PUS
-
SEA
16h 15m1 stop
$923EVA Air
Sat, Mar 14 - Thu, Mar 26
Multiple Airlines Logo
10:30 pm - 11:50 am
SEA
-
PUS
21h 20m1 stop
Multiple Airlines Logo
7:20 am - 5:09 pm
PUS
-
SEA
25h 49m2 stops
$928Multiple Airlines
Thu, Mar 19 - Wed, Mar 25
China Airlines Logo
1:10 am - 6:50 pm
SEA
-
PUS
25h 40m1 stop
China Airlines Logo
11:50 am - 7:10 pm
PUS
-
SEA
23h 20m1 stop
$944China Airlines
Tue, Mar 17 - Tue, Mar 24
EVA Air Logo
11:50 pm - 2:35 pm
SEA
-
PUS
22h 45m1 stop
EVA Air Logo
6:55 pm - 6:30 pm
PUS
-
SEA
15h 35m1 stop
$950EVA Air
Sat, Mar 14 - Tue, Mar 24

China Eastern flights from Seattle to Busan

Our best China Eastern deals on Seattle to Busan flight tickets
China Eastern
Mar 17
SEA7:15 amSeattle/Tacoma Intl
36h 20m
2 stops
PUS11:35 amBusan Gimhae
Mar 25
PUS5:50 pmBusan Gimhae
39h 19m
2 stops
SEA5:09 pmSeattle/Tacoma Intl
$914
Find similar
China Eastern
Mar 17
SEA7:15 amSeattle/Tacoma Intl
36h 20m
2 stops
PUS11:35 amBusan Gimhae
Mar 24
PUS5:50 pmBusan Gimhae
40h 33m
2 stops
SEA6:23 pmSeattle/Tacoma Intl
$1,172
Find similar
China Eastern
May 31
SEA7:20 amSeattle/Tacoma Intl
36h 15m
2 stops
PUS11:35 amBusan Gimhae
Jun 7
PUS5:50 pmBusan Gimhae
39h 05m
2 stops
SEA4:55 pmSeattle/Tacoma Intl
$1,359
Find similar

Delta flights from Seattle to Busan

Our best Delta deals on Seattle to Busan flight tickets
Delta
Mar 18
SEA12:35 pmSeattle/Tacoma Intl
15h 00m
1 stop
PUS7:35 pmBusan Gimhae
Mar 27
PUS7:55 amBusan Gimhae
22h 25m
1 stop
SEA2:20 pmSeattle/Tacoma Intl
$992
Find similar
Delta
Mar 17
SEA7:24 amSeattle/Tacoma Intl
32h 46m
2 stops
PUS8:10 amBusan Gimhae
Mar 25
PUS12:00 pmBusan Gimhae
14h 00m
1 stop
SEA10:00 amSeattle/Tacoma Intl
$997
Find similar
Delta
Mar 16
SEA7:24 amSeattle/Tacoma Intl
21h 21m
2 stops
PUS8:45 pmBusan Gimhae
Mar 24
PUS10:25 amBusan Gimhae
24h 40m
2 stops
SEA7:05 pmSeattle/Tacoma Intl
$1,007
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 December 23, 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

Sun 3/15

1:10 am-5:40 pm

1 stop24h 30m

Busan Gimhae

Wed 3/25

2:55 pm-7:10 pm

1 stop20h 15m

$857

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Tue 3/17

1:10 am-5:40 pm

1 stop24h 30m

Busan Gimhae

Tue 3/24

6:55 pm-6:30 pm

1 stop15h 35m

$859

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sun 3/15

1:10 am-5:40 pm

1 stop24h 30m

Busan Gimhae

Thu 3/26

6:55 pm-7:10 pm

1 stop16h 15m

$885

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Wed 3/18

1:10 am-2:35 pm

1 stop21h 25m

Busan Gimhae

Tue 3/24

6:55 pm-6:30 pm

1 stop15h 35m

$910

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Tue 3/17

7:15 am-11:35 am

2 stops36h 20m

Busan Gimhae

Wed 3/25

5:50 pm-5:09 pm

2 stops39h 19m

$914

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sun 3/15

10:30 pm-11:50 am

1 stop21h 20m

Busan Gimhae

Wed 3/25

7:20 am-5:09 pm

2 stops25h 49m

$920

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sat 3/14

1:10 am-2:35 pm

1 stop21h 25m

Busan Gimhae

Thu 3/26

6:55 pm-7:10 pm

1 stop16h 15m

$923

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Thu 3/19

10:30 pm-11:50 am

1 stop21h 20m

Busan Gimhae

Wed 3/25

7:20 am-5:09 pm

2 stops25h 49m

$928

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Tue 3/17

1:10 am-6:50 pm

1 stop25h 40m

Busan Gimhae

Tue 3/24

11:50 am-7:10 pm

1 stop23h 20m

$944

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sat 3/14

11:50 pm-2:35 pm

1 stop22h 45m

Busan Gimhae

Tue 3/24

6:55 pm-6:30 pm

1 stop15h 35m

$950

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

Fastest flight time

14h 45m

Direct flights

None
The fastest flight from Seattle to Busan takes 14h 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. 14h 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
792 reviews
Search China Airlines flights
DeltaPriceFrom $956Free CancellationRating
7.9
8,015 reviews
Search Delta flights
Korean AirPriceFrom $959Free CancellationRating
8.4
1,185 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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