Flights from Seattle to Busan
East AsiaYear-round

Cheap Flights from Seattle to Busan

Track economy fares on the SEAPUS route and get alerts when prices drop.

From
Seattle
SEA
To
Busan
PUS

Route Intelligence: SeattleBusan

Flight Duration

13 hr 30 min (1 Stop)

Price Guidance

A good deal is under $700 roundtrip. Standard fare is $1,000–$1,400+.

Peak Season

July to August and late December to early January

Top Airlines

Korean Air, Asiana Airlines, Delta Air Lines

Booking Tip

Book 2-4 months in advance for the best fares, as direct SEA-PUS service is limited and connections through Seoul (ICN) or other hubs fill quickly. Traveling mid-week can save 10-15% compared to weekend departures.

Track SeattleBusan Fares

Set your target price and FlightKitten will scan this route twice daily. The instant economy fares drop below your budget, you'll get an email with the price, airline, and a direct booking link.

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Flying Business Class?

If you're considering business class on this route, BusinessClassSignal.com is a dedicated tool that tracks premium cabin fares. They alert you when business & first class prices drop — worth checking out if you fly up front.

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Other Routes to Busan

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Route Briefing: Seattle to Busan

If you've been dreaming about a Korean adventure but want to skip the crowds of Seoul, flying into Busan is one of the smartest moves you can make. This route from Seattle puts you into Korea's second-largest city — a place that feels genuinely lived-in and coastal in a way that the capital simply doesn't. You're trading skyscrapers for beaches, street food markets, and hillside villages painted in every color imaginable.

The flight runs around 13 hours and 30 minutes with a stop, most commonly connecting through Seoul's Incheon International Airport. Korean Air and Asiana Airlines are the natural choices here, offering solid service and reasonable baggage allowances for a long-haul trip. Delta also operates on this corridor if you're working with SkyMiles. A roundtrip fare under $700 is genuinely a great deal — bookmark it when you see it. Standard pricing tends to land between $1,000 and $1,400 or higher, so patience pays off. Book two to four months ahead, since connections fill up faster than you'd expect for a route that isn't served by a nonstop option. Flying mid-week rather than on weekends can shave a meaningful amount off your ticket as well.

Once you land at Gimhae International Airport, the city is easy to reach by subway or taxi, making arrival refreshingly straightforward compared to many Asian gateway airports. Busan's subway system is efficient and well-signed in English, so even jet-lagged first-timers can navigate it without stress.

Timing your visit matters. July and August bring warm weather and beach energy at Haeundae and Gwangalli, two of the most famous urban beaches in all of Korea — but expect crowds and higher accommodation prices. Late December through early January draws visitors for the winter atmosphere and New Year celebrations. If you want the sweet spot, spring and autumn offer mild temperatures, fewer tourists, and some of the most beautiful light you'll find anywhere in East Asia.

Busan's soul lives in its food markets. Jagalchi, the sprawling seafood market near the waterfront, is the kind of place that makes you understand why Koreans are so serious about freshness. Wander up into Gamcheon Culture Village for the colorful hillside views, and make time for Haedong Yonggungsa, a Buddhist temple dramatically perched on coastal cliffs. It's the kind of scene that doesn't feel real until you're standing in front of it.

The single best tip for this route: if your connection takes you through Incheon with a longer layover, Korea's transit visa program may allow you to briefly explore Seoul at no extra cost — turning a layover into a genuine bonus destination. Check current entry requirements before you travel, but it's a trick seasoned Korea travelers swear by.

How much are flights from Seattle to Busan in 2026?

Flight prices from Seattle (SEA) to Busan (PUS) vary significantly depending on the season, day of the week, and how far in advance you book. A good deal is under $700 roundtrip. Standard fare is $1,000–$1,400+. Popular carriers on this route include Korean Air, Asiana Airlines, Delta Air Lines. FlightKitten eliminates the guesswork by monitoring 220+ airlines twice daily and alerting you the moment economy fares hit your target price.

How does FlightKitten track Seattle to Busan fares?

FlightKitten scans over 220 airlines twice every day for economy fares on the SEA to PUS route. When you set a target price, FlightKitten continuously monitors this route and sends an email alert the moment fares drop below your budget. Each alert includes the exact fare, airline, dates, and an AI-powered briefing that explains whether the deal is genuinely good compared to historical pricing on this route. No more obsessive price checking — set your budget and let FlightKitten do the watching.

Pro tip: Book 2-4 months in advance for the best fares, as direct SEA-PUS service is limited and connections through Seoul (ICN) or other hubs fill quickly. Traveling mid-week can save 10-15% compared to weekend departures.

Looking for business class deals on this route? We recommend checking out BusinessClassSignal.com — a dedicated premium cabin fare tracker that's worth a look if you fly up front.