Flights from San Francisco to Busan
East AsiaYear-round

Cheap Flights from San Francisco to Busan

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

From
San Francisco
SFO
To
Busan
PUS

Route Intelligence: San FranciscoBusan

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, United Airlines

Booking Tip

Book 2-4 months in advance for the best fares. Connecting through Seoul (ICN) or Tokyo is common; compare itineraries as prices vary significantly by layover city.

Track San FranciscoBusan 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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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: San Francisco to Busan

If you've been dreaming of a Korean adventure that skips the Seoul crowds and drops you straight into something rawer and more coastal, the San Francisco to Busan route is your ticket. At around 13 and a half hours with one stop — typically connecting through Seoul's Incheon Airport or Tokyo — it's a long haul, but the payoff is immediate. You land in a city that feels like Korea's best-kept secret, even though locals have known it all along.

Busan is the kind of place that earns genuine affection fast. It's South Korea's second-largest city, but it carries itself with the relaxed confidence of a beach town. Haeundae Beach draws summer crowds for good reason — it's one of the most famous stretches of sand in all of Asia — while Gwangalli Beach offers a slightly more laid-back vibe with a stunning view of the illuminated Gwangan Bridge at night. The Gamcheon Culture Village, a hillside neighborhood painted in vivid colors, is genuinely as photogenic as it looks in every photo you've seen. And Haedong Yonggungsa Temple, sitting right on the rocky coastline rather than tucked into a mountain, is one of the most striking Buddhist temples in the country.

Then there's the food. Busan takes seafood seriously in a way that will recalibrate your expectations entirely. Jagalchi Market is the place to go — Korea's largest seafood market, where you can point at something still very much alive and have it prepared on the spot. The city is also famous for its milmyeon, a cold wheat noodle dish with local roots, and dwaeji gukbap, a hearty pork and rice soup that Busan residents consider a point of civic pride.

Getting from Gimhae International Airport into the city is straightforward. The airport subway line connects directly to central Busan, making it one of the easier arrivals in Asia — no need to stress about taxis or shuttle logistics on a tired post-flight brain.

Timing matters on this route. July and August bring peak summer energy — beaches packed, festivals running — but fares and accommodation prices climb accordingly. Late spring, particularly May and early June, offers warm weather, manageable crowds, and some of the most pleasant conditions Korea has to offer. Late December into early January is another peak window, so budget accordingly.

On the fare front, anything under $700 roundtrip is a genuine win on this route, with standard pricing running $1,000 to $1,400 or more. Korean Air and Asiana Airlines are the natural choices for direct service to Korea, with United also operating on this corridor. Book two to four months out, and compare itineraries carefully — the layover city affects pricing significantly, so running the numbers on both Seoul and Tokyo connections is worth the extra few minutes.

How much are flights from San Francisco to Busan in 2026?

Flight prices from San Francisco (SFO) 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, United Airlines. 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 San Francisco to Busan fares?

FlightKitten scans over 220 airlines twice every day for economy fares on the SFO 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. Connecting through Seoul (ICN) or Tokyo is common; compare itineraries as prices vary significantly by layover city.

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.