$646 Cheap Flights from Seoul (GMP) to San Jose (SJC)

View $646 flight on Mon, Jun 29, 2026Opens in a new window

Popular airlines from Gimpo Intl. Airport (GMP) to Norman Y. Mineta San Jose Intl. Airport (SJC)

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Cheap Flights from Seoul to San Jose (GMP-SJC)

Prices were available within the past 7 days and start at $646 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Gimpo Intl. Airport (GMP) to Norman Y. Mineta San Jose Intl. Airport (SJC) cost?
Secure a cheap one-way flight from $646 or cheap return flight from Gimpo Intl. Airport (GMP) to Norman Y. Mineta San Jose Intl. Airport (SJC) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Gimpo Intl. Airport (GMP) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
Planning your getaway for is a good way to save, as it's the cheapest month for flights between GMP and SJC. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Gimpo Intl. Airport (GMP) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest GMP to SJC flight.
How many flights per day from Gimpo Intl. Airport (GMP) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
You'll need to book a flight with a layover when traveling from Gimpo Intl. Airport (GMP) to Norman Y. Mineta San Jose Intl. Airport (SJC). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from GMP to SJC?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Gimpo Intl. Airport (GMP) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
Choose a flight from Gimpo Intl. Airport (GMP) to Norman Y. Mineta San Jose Intl. Airport (SJC) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Gimpo Intl. Airport (GMP) to Norman Y. Mineta San Jose Intl. Airport (SJC) last-minute?
Last-minute bookings from GMP to SJC are usually more expensive. For the cheapest rates, start looking for flights well ahead of time. That said, if you're flexible with your travel dates, you may find a cheap fare right before your journey.
Is it cheaper to book a GMP to SJC flight and hotel package?
You'll typically save money by securing a GMP to SJC flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've chosen your preferred flights and accommodations, consider adding extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Gimpo Intl. Airport (GMP) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
In most cases, you can reschedule or cancel your GMP to SJC flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you need further information, go to our Customer Service portal.

Travel information

Origin airport
Gimpo Intl.
Destination airport
Norman Y. Mineta San Jose Intl.
Distance
5656 mi

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Seoul to San Jose Flights

The cheapest times to fly from Seoul to San Jose

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seoul to San Jose are during the month of . You can find some of the cheapest flights from Seoul to San Jose with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seoul to San Jose

Sunday is one of the best days to book for cheap flights from Seoul to San Jose: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seoul to San Jose

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seoul to San Jose in 2025. You can also book with separate airlines for your outbound and return journeys, from $646 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seoul to San Jose flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seoul to San Jose airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seoul to San Jose Flights

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*Available to One Key members.