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Incheon Intl

$418+ Cheap flights from San Diego (SAN) to Incheon Intl (ICN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — ICN
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Incheon Intl are usually found in February or October, booked 83 days in advance, depart on a Monday or Wednesday and return on a Tuesday

Cheap flight deals from San Diego to Incheon Intl

Cheapest flights from San Diego to Incheon Intl
Explore the most affordable flight options available from San Diego to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:12 amSAN - ICN
2 stops25h 28mUnited Airlines
Wed 1/146:00 pmICN - SAN
2 stops22h 42mUnited Airlines
Deal found 12/9$906
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:40 pmSAN - ICN
1 stop19h 00mUnited Airlines
Mon 1/1912:45 pmICN - SAN
2 stops24h 09mUnited Airlines
Deal found 12/11$907
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:15 amSAN - ICN
1 stop17h 00mUnited Airlines
Mon 12/2912:45 pmICN - SAN
1 stop22h 58mUnited Airlines
Deal found 12/11$908
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:00 pmSAN - ICN
1 stop20h 40mUnited Airlines
Sun 1/186:00 pmICN - SAN
1 stop35h 49mUnited Airlines
Deal found 12/11$909
This Delta deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:15 amSAN - ICN
1 stop17h 05mDelta
Wed 1/148:05 pmICN - SAN
1 stop17h 38mDelta
Deal found 12/9$916
This Delta deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:29 pmSAN - ICN
1 stop33h 51mDelta
Fri 1/168:05 pmICN - SAN
1 stop17h 38mDelta
Deal found 12/10$921
This United Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:55 pmSAN - ICN
1 stop27h 20mUnited Airlines
Wed 1/146:00 pmICN - SAN
1 stop22h 05mUnited Airlines
Deal found 12/9$922
This United Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/288:45 pmSAN - ICN
2 stops39h 55mUnited Airlines
Wed 1/1412:45 pmICN - SAN
2 stops24h 09mUnited Airlines
Deal found 12/9$931

Find flight deals from San Diego to Incheon Intl

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Incheon Intl (ICN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$727
(Alaska Airlines)

One-way from

$418
(Alaska Airlines)

Popular in

December

Cheapest in

February

Average price

$1,538
Provider with most accurate pricing for San Diego-Incheon Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Incheon Intl flights.
Search Deals
From San Diego to Incheon Intl
Search Deals
One-way flight from San Diego to Incheon Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($96 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Incheon Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from San Diego to Incheon Intl Airport that are best for you.

Fly from

San Diego

Fly to

Incheon Intl

Route

Depart

Return

Price

San DiegoIncheon

SAN - ICN

SANICN

San Diego

Wed 2/4

7:00 am-4:30 pm

1 stop16h 30m

Incheon Intl

Wed 2/18

8:05 pm-10:20 pm

1 stop19h 15m

$816

San DiegoIncheon

SAN - ICN

SANICN

San Diego

Thu 1/15

6:15 am-6:35 pm

1 stop19h 20m

Incheon Intl

Thu 1/29

8:35 pm-11:09 pm

1 stop19h 34m

$816

San DiegoIncheon

SAN - ICN

SANICN

San Diego

Mon 1/19

7:00 am-4:30 pm

1 stop16h 30m

Incheon Intl

Mon 2/2

8:05 pm-10:42 pm

1 stop19h 37m

$816

San DiegoIncheon

SAN - ICN

SANICN

San Diego

Wed 2/11

7:00 am-4:30 pm

1 stop16h 30m

Incheon Intl

Sun 2/22

8:05 pm-10:20 pm

1 stop19h 15m

$816

San DiegoIncheon

SAN - ICN

SANICN

San Diego

Wed 1/21

7:50 pm-4:30 pm

2 stops27h 40m

Incheon Intl

Sun 1/25

8:05 pm-11:48 pm

2 stops20h 43m

$820

San DiegoIncheon

SAN - ICN

SANICN

San Diego

Sat 1/17

6:15 am-6:35 pm

1 stop19h 20m

$418

San DiegoIncheon

SAN - ICN

SANICN

San Diego

Sat 1/10

6:15 am-6:35 pm

1 stop19h 20m

$418

San DiegoIncheon

SAN - ICN

SANICN

San Diego

Thu 1/15

6:15 am-6:35 pm

1 stop19h 20m

$418

San DiegoIncheon

SAN - ICN

SANICN

San Diego

Sun 1/11

9:59 pm-9:35 pm

2 stops54h 36m

$430

San DiegoIncheon

SAN - ICN

SANICN

San Diego

Fri 1/9

2:20 pm-6:35 pm

1 stop35h 15m

$430

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 13 results
1
2

Compare providers for flights from San Diego to Incheon Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Incheon Intl in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Incheon Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Diego-Incheon Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Diego-Incheon Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Incheon Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Incheon Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Diego to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl from San Diego with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Diego to Incheon Intl Airport

How far ahead should I book a flight from San Diego to Incheon Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Incheon Intl. Price data was last updated on December 5, 2025.

To ensure you get the cheapest price possible for a flight from San Diego to Incheon Intl Airport, you should look to book at least 82 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from San Diego to Incheon Intl Airport?

Currently, September is the cheapest month in which you can book a flight from San Diego to Incheon Intl Airport (average of $589). Flying from San Diego to Incheon Intl Airport in June is currently the most expensive (average of $960). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SAN to ICN?

Find hourly flight availability from San Diego to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s typically best to fly out from San Diego to Incheon Intl Airport at noon. Doing so could potentially save you 21% on the flight price compared to flying in the evening, which is usually more expensive.

Reviews of airlines servicing Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Incheon Intl. Reviews last updated December 12, 2025.
Peruse reviews from past customers who have flown with Korean Air, Asiana Airlines, and Delta from San Diego to Incheon Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,184 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,184 reviews
Korean Air
8.4
Very good
1,184 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Asiana Airlines
8.2
Very good
492 reviews
Korean Air
8.4
Very good
1,184 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Delta
7.9
Good
8,007 reviews
Korean Air
8.4
Very good
1,184 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
United Airlines
7.4
Good
9,095 reviews
Korean Air
8.4
Very good
1,184 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Air Canada
7.1
Good
10,516 reviews
Korean Air
8.4
Very good
1,184 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Incheon Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Diego to Incheon Intl?

    Located just 2.6 mi from the city center, San Diego is the airport most travelers will use when flying to Incheon Intl from San Diego. Booking flights from San Diego (SAN) to Incheon Intl should be relatively easy as there are 0 daily outbound flights to Incheon Intl from 6 different airlines.

  • How long is the flight from San Diego to Incheon Intl Airport?

    For as low as $816, Delta can have you in Incheon Intl Airport from San Diego in 16h 30m. The distance from San Diego to Incheon Intl Airport is about 6086 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from San Diego to Incheon Intl Airport round-trip?

    Currently priced at $568, Hawaiian Airlines will fly you from San Diego to Incheon Intl Airport and back. In addition to Hawaiian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Delta - these airlines can fly you to your destination from $786 and $815, respectively. You may be able to fly from San Diego to Incheon Intl Airport for 52% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from San Diego to Incheon Intl Airport one-way?

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $422. Asiana Airlines flights start at $453 while deals on United Airlines start at $468 one-way.

  • Can I find deals for flights from San Diego to Incheon Intl that include hotel bookings?

    Yes. In addition to deals on San Diego to Incheon Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Incheon Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Incheon Intl.

  • Can I find deals for business class flights from San Diego to Incheon Intl?

    Yes. Cheapflights offers flight deals from San Diego to Incheon Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Diego to Incheon Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from San Diego to Incheon Intl Airport (average of $589). Flying from San Diego to Incheon Intl Airport in June is currently the most expensive (average of $960). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Incheon Intl Airport?

Book flights to Incheon Intl Airport if you plan to visit one of these locations
Suwon
Seongnam

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Alternative routes for San Diego to Incheon Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from San Diego to Incheon Intl

Discover the top 6 airlines that operate flights from San Diego to Incheon Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$786Average$1,134FlexibilityNo cancel feeOn-time67%
DeltaCheapest$815Average$1,127FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$861Average$1,220FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$862Average$1,172FlexibilityNo cancel feeOn-time85%
Asiana AirlinesCheapest$937Average$1,058FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,057Average$1,263FlexibilityNo cancel feeOn-time81%

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