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Cheap flights from Seattle to Busan from $480

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 10/30. 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

Multiple Airlines Logo
2:15 pm - 8:30 pmSEA-PUS
38h 15m2 stops
Multiple Airlines Logo
2:40 pm - 1:55 pmPUS-SEA
16h 15m1 stop
$894Multiple Airlines
Find Deal
mar., oct. 21 - mar., nov. 11
China Airlines Logo
1:10 am - 7:00 pmSEA-PUS
25h 50m1 stop
China Airlines Logo
11:50 am - 7:10 pmPUS-SEA
23h 20m1 stop
$896China Airlines
Find Deal
mar., oct. 14 - jue., oct. 30
China Airlines Logo
1:10 am - 7:00 pmSEA-PUS
25h 50m1 stop
China Airlines Logo
10:10 am - 6:10 pmPUS-SEA
25h 00m1 stop
$917China Airlines
Find Deal
lun., oct. 20 - mar., nov. 11
Delta Logo
12:10 pm - 8:10 amSEA-PUS
28h 00m1 stop
Delta Logo
7:55 am - 1:20 pmPUS-SEA
22h 25m1 stop
$942Delta
Find Deal
jue., oct. 30 - mié., nov. 5
Delta Logo
7:25 am - 8:45 pmSEA-PUS
21h 20m2 stops
Delta Logo
10:25 am - 9:00 amPUS-SEA
15h 35m1 stop
$947Delta
Find Deal
jue., oct. 30 - mié., nov. 5
EVA Air Logo
1:10 am - 5:40 pmSEA-PUS
24h 30m1 stop
EVA Air Logo
6:55 pm - 6:10 pmPUS-SEA
16h 15m1 stop
$1,045EVA Air
Find Deal
mié., oct. 29 - jue., nov. 6
EVA Air Logo
1:10 am - 5:40 pmSEA-PUS
24h 30m1 stop
EVA Air Logo
6:55 pm - 6:10 pmPUS-SEA
16h 15m1 stop
$1,047EVA Air
Find Deal
mié., oct. 29 - mié., nov. 5
Philippine Airlines Logo
9:30 pm - 7:55 pmSEA-PUS
29h 25m1 stop
Philippine Airlines Logo
8:55 pm - 6:40 pmPUS-SEA
38h 45m1 stop
$2,254Philippine Airlines
Find Deal
mié., dic. 17 - mié., dic. 31
Philippine Airlines Logo
9:30 pm - 7:55 pmSEA-PUS
29h 25m1 stop
Philippine Airlines Logo
8:55 pm - 6:40 pmPUS-SEA
38h 45m1 stop
$2,271Philippine Airlines
Find Deal
mié., dic. 17 - mié., dic. 31
Korean Air Logo
11:00 am - 10:50 amSEA-PUS
30h 50m1 stop
Korean Air Logo
7:55 am - 1:20 pmPUS-SEA
22h 25m1 stop
$2,338Korean Air
Find Deal
mié., dic. 17 - mié., dic. 31

China Airlines flights from Seattle to Busan

Our best China Airlines deals on Seattle to Busan flight tickets
China Airlines
Oct 14
SEA1:10 amSeattle/Tacoma Intl
25h 50m
1 stop
PUS7:00 pmBusan Gimhae
Oct 30
PUS11:50 amBusan Gimhae
23h 20m
1 stop
SEA7:10 pmSeattle/Tacoma Intl
$896
Find similar
China Airlines
Oct 20
SEA1:10 amSeattle/Tacoma Intl
25h 50m
1 stop
PUS7:00 pmBusan Gimhae
Nov 11
PUS10:10 amBusan Gimhae
25h 00m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
$917
Find similar
China Airlines
Oct 14
SEA1:10 amSeattle/Tacoma Intl
25h 50m
1 stop
PUS7:00 pmBusan Gimhae
Oct 30
PUS7:50 pmBusan Gimhae
30h 11m
2 stops
SEA10:01 amSeattle/Tacoma Intl
$1,033
Find similar

Delta flights from Seattle to Busan

Our best Delta deals on Seattle to Busan flight tickets
Delta
Oct 30
SEA12:10 pmSeattle/Tacoma Intl
28h 00m
1 stop
PUS8:10 amBusan Gimhae
Nov 5
PUS7:55 amBusan Gimhae
22h 25m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$942
Find similar
Delta
Oct 30
SEA7:25 amSeattle/Tacoma Intl
21h 20m
2 stops
PUS8:45 pmBusan Gimhae
Nov 5
PUS10:25 amBusan Gimhae
15h 35m
1 stop
SEA9:00 amSeattle/Tacoma Intl
$947
Find similar
Delta
Oct 30
SEA7:25 amSeattle/Tacoma Intl
21h 20m
2 stops
PUS8:45 pmBusan Gimhae
Nov 5
PUS12:00 pmBusan Gimhae
27h 25m
2 stops
SEA10:25 pmSeattle/Tacoma Intl
$957
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 septiembre 16, 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

mar. 10/21

2:15 pm-8:30 pm

2 stops38h 15m

Busan Gimhae

mar. 11/11

2:40 pm-1:55 pm

1 stop16h 15m

$894

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

mar. 10/14

1:10 am-7:00 pm

1 stop25h 50m

Busan Gimhae

jue. 10/30

11:50 am-7:10 pm

1 stop23h 20m

$896

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

lun. 10/20

1:10 am-7:00 pm

1 stop25h 50m

Busan Gimhae

mar. 11/11

10:10 am-6:10 pm

1 stop25h 00m

$917

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

jue. 10/30

12:10 pm-8:10 am

1 stop28h 00m

Busan Gimhae

mié. 11/5

7:55 am-1:20 pm

1 stop22h 25m

$942

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

jue. 10/30

7:25 am-8:45 pm

2 stops21h 20m

Busan Gimhae

mié. 11/5

10:25 am-9:00 am

1 stop15h 35m

$947

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

mié. 10/29

1:10 am-5:40 pm

1 stop24h 30m

Busan Gimhae

jue. 11/6

6:55 pm-6:10 pm

1 stop16h 15m

$1,045

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

mié. 10/29

1:10 am-5:40 pm

1 stop24h 30m

Busan Gimhae

mié. 11/5

6:55 pm-6:10 pm

1 stop16h 15m

$1,047

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

mié. 12/17

9:30 pm-7:55 pm

1 stop29h 25m

Busan Gimhae

mié. 12/31

8:55 pm-6:40 pm

1 stop38h 45m

$2,254

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

mié. 12/17

9:30 pm-7:55 pm

1 stop29h 25m

Busan Gimhae

mié. 12/31

8:55 pm-6:40 pm

1 stop38h 45m

$2,271

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

mié. 12/17

11:00 am-10:50 am

1 stop30h 50m

Busan Gimhae

mié. 12/31

7:55 am-1:20 pm

1 stop22h 25m

$2,338

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 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.
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. 15h 30m 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
DeltaPriceFrom $956Free CancellationRating
7.9
7,957 reviews
Search Delta flights
Korean AirPriceFrom $959Free CancellationRating
8.4
1,140 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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