$415 Find Cheap Flights from San Jose to South Korea

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Jose to South Korea departing on 9/8. 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

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Cheap Flights from San Jose to South Korea

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Jeju City
Jeju City2 stops$985
Busan
Busan2 stops$991
Jeju City
Jeju City2 stops$985
Busan
Busan2 stops$991

Book Cheap San Jose to South Korea Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Jose to South Korea 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 San Jose to South Korea

Sat, Jan 10 - Sun, Jan 25
Alaska Airlines Logo
10:05 am - 6:35 pmSJC-ICN
15h 30m1 stop
Alaska Airlines Logo
8:35 pm - 7:04 pmICN-SJC
15h 29m1 stop
$676Alaska Airlines
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Tue, Jan 13 - Sat, Jan 24
Alaska Airlines Logo
7:40 pm - 6:35 pmSJC-ICN
29h 55m1 stop
Alaska Airlines Logo
8:35 pm - 7:04 pmICN-SJC
15h 29m1 stop
$682Alaska Airlines
Find Deal
Thu, Aug 14 - Mon, Aug 25
United Airlines Logo
2:31 pm - 4:20 amSJC-ICN
21h 49m2 stops
United Airlines Logo
11:30 am - 9:51 amICN-SJC
38h 21m2 stops
$763United Airlines
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Thu, Aug 14 - Mon, Aug 25
United Airlines Logo
2:31 pm - 4:20 amSJC-ICN
21h 49m2 stops
United Airlines Logo
4:50 pm - 9:51 amICN-SJC
33h 01m2 stops
$766United Airlines
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Sat, Aug 16 - Fri, Aug 29
Korean Air Logo
5:44 pm - 5:20 pmSJC-ICN
31h 36m1 stop
Korean Air Logo
8:25 pm - 10:49 pmICN-SJC
18h 24m1 stop
$811Korean Air
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Mon, Aug 25 - Sun, Aug 31
 Logo
12:10 pm - 10:15 pmSJC-ICN
18h 05m1 stop
 Logo
7:15 am - 10:10 amICN-SJC
18h 55m1 stop
Tue, Sep 16 - Tue, Sep 23
Korean Air Logo
9:00 am - 4:40 pmSJC-ICN
15h 40m1 stop
Korean Air Logo
4:40 pm - 7:00 pmICN-SJC
18h 20m1 stop
$838Korean Air
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Thu, Aug 14 - Wed, Aug 20
 Logo
12:10 pm - 10:15 pmSJC-ICN
18h 05m1 stop
 Logo
8:35 am - 10:10 amICN-SJC
17h 35m1 stop
Sun, Aug 24 - Sun, Sep 14
Delta Logo
7:23 am - 4:30 pmSJC-ICN
17h 07m1 stop
Delta Logo
7:20 pm - 10:11 pmICN-SJC
18h 51m1 stop
$876Delta
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Sun, Jan 11 - Mon, Jan 26
Delta Logo
7:10 am - 4:30 pmSJC-ICN
16h 20m1 stop
Delta Logo
8:05 pm - 9:12 amICN-SJC
30h 07m2 stops
$881Delta
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Booking Insights

KAYAK's insights & trends for San Jose to South Korea flights

Get data-powered insights and trends into flights from San Jose to South Korea to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from San Jose to South Korea?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Jose to South Korea, 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 San Jose to South Korea is October, when tickets cost $831 (return) on average. On the other hand, the most expensive months are December and July, when the average cost of round-trip tickets is $1,800 and $1,575 respectively.

What’s the cheapest day of the week to fly from San Jose to South Korea?

The average price of all round-trip flights from San Jose to South Korea clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from San Jose to South Korea, look for departures on Thursdays and avoid leaving on a Friday, as it's usually the priciest day. When flying back from South Korea, Monday is the cheapest day to fly and Friday is the most expensive.


Good to know

Low seasonJanuary
Cheapest flight$415
Best time to beat the crowds with an average 15% drop in price.
Most popular time to fly and prices are also 19% lower on average.
Flight from San Jose to Incheon

FAQs - booking South Korea flights

  • How does KAYAK find such low prices on flights from San Jose to South Korea?

    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 San Jose to South Korea.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Jose to South Korea?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from San Jose to South Korea 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 San Jose to South Korea?

    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 from San Jose to South Korea with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Jose to South Korea?

    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 from San Jose to South Korea up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to South Korea?

    The cheapest time of day to fly to South Korea is generally in the evening, when round-trip flights cost $1,170 on average. Morning departures are around 13% more expensive than evening flights, on average. The most expensive time of day to fly to South Korea is generally at night, which is peak travel time and where the average cost of a ticket is $1,595.

Reviews of the top airline flying from San Jose to South Korea

 
Need help choosing which airline to fly with from San Jose to South Korea? 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 1121 reviews
8.2Entertainment
8.5Boarding
8.1Food
8.2Comfort
8.7Crew
Airline reviews

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

10.0 ExcellentAnonymous, Jul 2025DFW - ICN
Read more Korean Air reviews

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 delay in Korea was a pain and set us back a day. I have to give big props to Korean Air for setting up a hotel with dinner and transportation to and from the hotel. I also needed assistance with a wheelchair and they did an outstanding job.

Everything you need to know for your flight from San Jose to South Korea

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