SEA - PUS

$444 Find Cheap Flights from Seattle to Busan

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Busan departing on 11/23. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Busan

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Busan, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Busan, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Seattle to Busan (SEA-PUS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Busan that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Busan

Mon, Oct 20 - Mon, Nov 10
Multiple Airlines Logo
1:02 pm - 4:50 pmSEA-PUS
35h 48m2 stops
Multiple Airlines Logo
7:20 am - 1:55 pmPUS-SEA
23h 35m1 stop
$892Multiple Airlines
Find Deal
Tue, Oct 21 - Tue, Nov 11
Multiple Airlines Logo
2:15 pm - 8:30 amSEA-PUS
26h 15m1 stop
Multiple Airlines Logo
8:30 pm - 5:35 amPUS-SEA
50h 05m2 stops
$912Multiple Airlines
Find Deal
Tue, Oct 14 - Thu, Oct 30
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
$933China Airlines
Find Deal
Mon, Oct 20 - Tue, Nov 11
China Airlines Logo
1:10 am - 11:15 amSEA-PUS
18h 05m1 stop
China Airlines Logo
7:50 pm - 6:10 pmPUS-SEA
15h 20m1 stop
$939China Airlines
Find Deal
Thu, Oct 30 - Wed, Nov 5
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
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Thu, Oct 30 - Wed, 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
Wed, Oct 29 - Wed, 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
$1,047EVA Air
Find Deal
Tue, Dec 16 - Wed, Dec 31
EVA Air Logo
12:10 am - 5:40 pmSEA-PUS
24h 30m1 stop
EVA Air Logo
6:55 pm - 6:10 pmPUS-SEA
16h 15m1 stop
$1,905EVA Air
Find Deal
Wed, Dec 17 - Wed, Dec 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
$2,162Philippine Airlines
Find Deal
Wed, Dec 17 - Wed, Dec 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
$2,170Philippine Airlines
Find Deal

Everything you should know

Top airlines
China Airlines
Cheapest • from $933 (round-trip)
Korean Air
Best reviews • 8.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to travel
August
Cheapest • 33% price drop
April
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest round-trip
$892
Overall average: $1,155
Multiple Airlines
Mon 10/20Mon 11/10
SEA - PUS • 2 stops
Cheapest one-way
$444
Multiple Airlines
Sun 11/23
SEA - PUS • 2 stops
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Busan!
Booking Insights

KAYAK's insights & trends for Seattle to Busan flights

Get data-powered insights and trends into flights from Seattle to Busan to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Seattle to Busan?

The average price of all round-trip flights from Seattle to Busan clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Seattle to Busan, look for departures on Tuesdays and avoid leaving on a Saturday, as it's usually the priciest day. When flying back from Busan, Wednesday is the cheapest day to fly and Tuesday is the most expensive.

What is the cheapest month to fly from Seattle to Busan?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to Busan, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seattle to Busan is August, where tickets cost $892 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is $1,825 and $1,801 respectively.

Good to know

Low seasonJanuary
Cheapest flight$444
Best time to beat the crowds but there is an average 4% increase in price.
Most popular time to fly and prices are also 0% lower on average.
Flight from Seattle to Busan

When to book flights from Seattle to Busan

Are your dates flexible? Find out the best times to travel from Seattle to Busan based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Seattle to Busan

  • What is the cheapest flight from Seattle to Busan?

    In the last 3 days, the lowest price for a flight from Seattle to Busan was $444 for a one-way ticket and $892 for a round-trip.

  • Do I need a passport to fly between Seattle and Busan?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Seattle and on arrival in Busan.

  • Which aircraft models fly most regularly from Seattle to Busan?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Seattle to Busan?

    SkyTeam, and Star Alliance are the airline alliances operating flights between Seattle and Busan, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Seattle to Busan, Korean Air or Delta?

    The two airlines most popular with KAYAK users for flights from Seattle to Busan are Korean Air and Delta. With an average price for the route of $1,269 and an overall rating of 8.4, Korean Air is the most popular choice. Delta is also a great choice for the route, with an average price of $1,392 and an overall rating of 7.9.

  • How does KAYAK find such low prices on flights from Seattle to Busan?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Busan.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Busan?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Busan from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Busan?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Busan with an airline and back to Seattle with another airline. Booking your flights between Seattle and PUS can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Busan?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Busan from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Seattle to Busan

 
See real verified KAYAK customer reviews for airlines flying from Seattle to Busan. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Seattle to Busan? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.4
Korean AirOverall score based on 1140 reviews
8.5Boarding
8.3Comfort
8.2Entertainment
8.7Crew
8.1Food
Airline reviews

It was good, I liked the self-serve snacks but it was a little difficult to get the alcohol, which is understandable since I wouldn't want kids sneaking it.

8.0 ExcellentMatt, Aug 2025ATL - ICN
Read more Korean Air reviews

It was good, I liked the self-serve snacks but it was a little difficult to get the alcohol, which is understandable since I wouldn't want kids sneaking it.

Friendly flight attendants and gate agents. Very clean plane and food was good!

I normally love Korean Air, but this trip was not great. We boarded the plan and were settling into our seats. My son and I use these leg swings and we used it on the trip over to Cambodia, but on the way back the flight attendant very rudely told us we could not use it and that it was against regulations. I asked to see the regulation, but never saw it. The food on this trip was horrible as well, Even my son's kids meal was disgusting so we didn't eat anything on the flight. Thankfully we brought snacks. Entertainment - what happened to the games?

This was an amazing flight. The crew was great. The service was great. The food provided was great.

I was unable to select decent seats, and so I was stuck in the middle seat because it was selected for me

Korean air has a little bit more seating space than Asiana air.

There was a lot of partial tv shows but not enough to last the flight. The food was incredible! The crew were so helpful and patient. Lots more space than what I usually get on an international flight. Very comfortable!

Stingy on the drinks - 15 hour direct flight and could barely get attention for some water

Unfortunately, there has been a boarding and departure delay. However, as usual, the flight arrived earlier than the scheduled. There has been a turbulence in-between, it’s unavoidable. I couldn’t complain them.

Not many people, so you can lay down on two seats

The staff and the boarding procedure were all amazing . The one flight was not equipped with WIFI which now adays seems odd. All in all the experience was good

Passengers need to check in big baggage instead of bringing on the plane. That cause inconvenience for everyone. Otherwise flight was good.

Perfect flight both ways. On time, courteous staff, plane comfortable and cool. Best domestic flights I’ve had in awhile.

The food was terrible especially for a 15 hour international flight. The crew was unpleasant as well.

Really low quality food especially for an international flight. The crew also was surprisingly unpleasant except couple of ladies. I know we were not in first class but that’s no reason to treat customers as less.

Flight delayed for two and half hours and then canceled altogether due to mechanical issues. No mechanic onsite to fix so had to send one from LAX.

Quick check in. Everything went smooth. I don't know what can be done about airline food.

Crew was good. The reservation got mixed up and they didn't have my TSA number. I am also a Silver Medallion and wasn't able to use Sky Priority.

Delta made it easy, comfortable and timely. The crew was fantastic.

This route with Delta always has delays or is cancelled. Aircrafts seem smaller and older. I fly Delta quite a bit - haven’t had issues with the international flights. But this route has always been the troublesome one

Everything you need to know for your flight from Seattle to Busan

Information on your arrival and departure airports

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