Cheap Flights from Ontario to Seoul

Cheap Flights from Ontario to Seoul

Cheap Flights from Ontario to Seoul
Looking for cheap flights from Ontario to Seoul? PointsYeah scans award availability across major airline and bank transfer programs in one place, so travelers can compare the lowest points and cash routes faster. Instead of searching each airline separately, users can see pricing from programs like Chase, Amex, Capital One, Citi, and Bilt side by side.
Award prices from Ontario to Seoul vary by season, cabin, and date, but available award flights can start around 35,000 points one way, with premium cabins available at higher mileage levels. The live search above allows filtering by cabin, airline, stops, or maximum points to find the best award flights from Ontario to Seoul for specific travel dates.
2026-11-15
ONT - ICN
Economy | 1 Stop | 9+ left
From 35,000 Pts + $5.6
AS
2026-11-27
ONT - ICN
Economy | 1 Stop
From 35,000 Pts + $5.6
AA
2026-11-28
ONT - ICN
Economy | 1 Stop
From 35,000 Pts + $5.6
AA
2026-12-03
ONT - ICN
Economy | 1 Stop
From 35,000 Pts + $5.6
AA
2026-12-26
ONT - ICN
Economy | 1 Stop
From 35,000 Pts + $5.6
AA
2026-12-29
ONT - ICN
Economy | 2 Stops
From 35,000 Pts + $5.6
AA
Ontario to Seoul flight facts
Distance
5,994 mi
9,646 km in a straight line
Estimated flight time
about 12h 30m
In the air, for the straight-line distance
Time difference
+17h
Seoul is 17 hours ahead of Ontario.
Airports in Ontario
ONT · Ontario Intl
Airports in Seoul
GMP · Gimpo Intl
ICN · Incheon Intl
SSN · Seoul Air Base (K-16)
Nearby airport alternatives
Flights Santa Ana - Seoul · Santa Ana is 30 mi from Ontario
Flights Long Beach - Seoul · Long Beach is 36 mi from Ontario
Flights Burbank - Seoul · Burbank is 44 mi from Ontario
Flights Los Angeles - Seoul · Los Angeles is 47 mi from Ontario
Flights San Diego - Seoul · San Diego is 94 mi from Ontario
Premium cabin flights from Ontario to Seoul
Premium cabin
2026-11-07
ONT - ICN
Premium Economy | 2 Stops
From 65,000 Pts + $11.2
UA
Premium cabin
2026-11-07
ONT - ICN
Premium Economy | 2 Stops
From 65,000 Pts + $11.2
UA
Premium cabin
2026-11-07
ONT - ICN
Premium Economy | 2 Stops
From 65,000 Pts + $11.2
UA
Premium cabin
2026-11-07
ONT - ICN
Premium Economy | 2 Stops
From 65,000 Pts + $11.2
UA
Premium cabin
2026-11-07
ONT - ICN
Premium Economy | 2 Stops
From 65,000 Pts + $11.2
UA
Premium cabin
2026-11-07
ONT - ICN
Premium Economy | 2 Stops
From 65,000 Pts + $11.2
UA
Selected hotels for your next stay
Hotel28 Myeongdong, an SLH Hotel
Seoul (South Korea)
Hotel28 Myeongdong, an SLH Hotel
From 70,000 Pts or $252
Conrad Seoul
Seoul (South Korea)
Conrad Seoul
From 75,000 Pts or $550
JW Marriott Hotel Seoul
Seoul (South Korea)
JW Marriott Hotel Seoul
From Pts or $374
Frequently Asked Questions
The cheapest route from Ontario to Seoul depends on award space, transfer bonuses, and travel dates. PointsYeah compares bank and airline programs in one place so you can find the best points and cash combinations faster.
Yes. Transferable points from Chase, Amex, Capital One, Citi, and Bilt can often be moved to airline partners for flights from Ontario to Seoul.
Yes. Searching metro codes when available helps compare nearby airport combinations for flights from Ontario to Seoul.
Ontario and Seoul are about 5,994 miles (9,646 km) apart in a straight line.
Flying the 5,994-mile straight-line distance takes about 12h 30m in the air, estimated from typical cruising speed. Actual travel time depends on the routing; itineraries with connections take longer.
Seoul is 17 hours ahead of Ontario.
Departures from Ontario: Ontario Intl (ONT). Arrivals in Seoul: Gimpo Intl (GMP), Incheon Intl (ICN), Seoul Air Base (K-16) (SSN).
Travelers searching this route also look at other popular routes into Seoul, plus the return trip when we track it. Fares and award space change daily.
Our mission is to provide
the simplest and best
points travel planning
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Our mission is to provide the simplest and best
points travel planning experience. Yeah!