Cheap flights from Ontario (ONT) to Seoul (SEL) from $529

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 4/25. 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.
ONT — SEL
Feb 27 — Mar 51

Cheap flight deals from Ontario to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Seoul (SEL). 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 February 22, 2024.

Popular in

December

Cheapest in

September

Round-trip from

$1,256

One-way from

$660
High demand for flights, 28% potential price rise
Best time to find cheap flights, 25% potential price drop
From Ontario to Seoul (SEL)
One-way flight from Ontario to Seoul (SEL)

What is the cheapest day to fly round-trip from Ontario to Seoul?

Thursday flights are generally found to be more expensive for flights from Ontario to Seoul. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Seoul.

How far in advance should I book a flight from Ontario to Seoul?

To save on the cost of your flight from Ontario to Seoul, book at least 57 days before your planned departure. Booking around this time can save you about 32% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,367 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,506.

What is the cheapest month to fly from Ontario to Seoul?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, November can be a great choice for travel to Seoul. Flights to Seoul from Ontario in November are about $1,369 on average during November, but can be found for as low as $567.

When is the cheapest time to fly from Ontario to Seoul (ONT - SEL)?

Unlike in the morning, when flights are generally more expensive, you can save up to 11% on flights from Ontario to Seoul by exploring options for tickets at noon.

Cheap Hawaiian Airlines flights from Ontario to Seoul

Explore cheap flight options specifically provided by Hawaiian Airlines for the route between Ontario and Seoul. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,442,422 searches. Data last updated February 22, 2024.
Take a look at some of the lowest-priced Hawaiian Airlines flights heading from Ontario to Seoul. Come back soon if you're not finding the exact deal you're looking for.
Mon 4/810:05 amONT - ICN
1 stop40h 55mHawaiian Airlines
Fri 4/129:25 pmICN - ONT
1 stop16h 45mHawaiian Airlines
Deal found 2/21$976
Wed 4/1010:05 amONT - ICN
1 stop40h 55mHawaiian Airlines
Wed 4/179:25 pmICN - ONT
1 stop16h 45mHawaiian Airlines
Deal found 2/21$1,001
Wed 3/68:35 amONT - ICN
1 stop41h 50mHawaiian Airlines
Wed 3/139:25 pmICN - ONT
1 stop16h 35mHawaiian Airlines
Deal found 2/22$1,046
Fri 4/510:05 amONT - ICN
1 stop40h 55mHawaiian Airlines
Fri 4/199:25 pmICN - ONT
1 stop16h 45mHawaiian Airlines
Deal found 2/21$1,065
Wed 4/2410:05 amONT - ICN
1 stop40h 55mHawaiian Airlines
Fri 5/109:25 pmICN - ONT
1 stop16h 40mHawaiian Airlines
Deal found 2/21$1,076
Sat 4/1310:05 amONT - ICN
1 stop40h 55mHawaiian Airlines
Sat 4/209:25 pmICN - ONT
1 stop16h 45mHawaiian Airlines
Deal found 2/21$1,082
Sat 4/610:05 amONT - ICN
1 stop40h 55mHawaiian Airlines
Fri 4/199:25 pmICN - ONT
1 stop16h 45mHawaiian Airlines
Deal found 2/21$1,101
Sat 4/610:05 amONT - ICN
1 stop40h 55mHawaiian Airlines
Sat 4/139:25 pmICN - ONT
1 stop16h 45mHawaiian Airlines
Deal found 2/21$1,120
Mon 3/48:35 amONT - ICN
1 stop41h 50mHawaiian Airlines
Fri 3/89:25 pmICN - ONT
1 stop17h 35mHawaiian Airlines
Deal found 2/22$1,121

Cheap China Airlines flights from Ontario to Seoul

Explore cheap flight options specifically provided by China Airlines for the route between Ontario and Seoul. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,442,422 searches. Data last updated February 22, 2024.
Some of the best deals we've found on China Airlines flights traveling from Ontario to Seoul. Deals frequently update to provide users with more options.
Mon 4/812:10 amONT - ICN
1 stop27h 35mChina Airlines
Sun 5/128:50 pmICN - ONT
1 stop37h 15mChina Airlines
Deal found 2/21$1,007
Tue 4/912:10 amONT - ICN
1 stop27h 35mChina Airlines
Tue 4/1612:35 pmICN - ONT
1 stop21h 30mChina Airlines
Deal found 2/21$1,029
Mon 4/2212:10 amONT - ICN
1 stop27h 35mChina Airlines
Thu 5/212:35 pmICN - ONT
1 stop21h 30mChina Airlines
Deal found 2/20$1,035
Tue 4/3012:10 amONT - ICN
1 stop27h 35mChina Airlines
Wed 5/812:35 pmICN - ONT
1 stop21h 30mChina Airlines
Deal found 2/22$1,042
Mon 4/1512:10 amONT - ICN
1 stop27h 35mChina Airlines
Thu 6/612:35 pmICN - ONT
1 stop21h 30mChina Airlines
Deal found 2/20$1,047
Tue 4/1612:10 amONT - ICN
1 stop27h 35mChina Airlines
Fri 4/2612:35 pmICN - ONT
1 stop21h 30mChina Airlines
Deal found 2/20$1,048
Sun 4/712:10 amONT - ICN
1 stop19h 00mChina Airlines
Wed 4/2412:35 pmICN - ONT
1 stop21h 30mChina Airlines
Deal found 2/21$1,051
Sun 4/712:10 amONT - ICN
1 stop27h 35mChina Airlines
Mon 4/2212:35 pmICN - ONT
1 stop21h 30mChina Airlines
Deal found 2/20$1,057
Wed 5/812:10 amONT - ICN
1 stop19h 00mChina Airlines
Sun 5/268:50 pmICN - ONT
1 stop37h 15mChina Airlines
Deal found 2/21$1,064

Cheap Ontario to Seoul flights in February & March 2024

Find cheap flight options from Ontario to Seoul specifically for the months of February and March 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,442,422 searches. Prices were last updated on February 22, 2024.
Check out some of the best flight deals from Ontario to Seoul in 2024. Check back in a little while for more flight options.
Wed 3/68:35 amONT - ICN
1 stop41h 50mHawaiian Airlines
Wed 3/139:25 pmICN - ONT
1 stop16h 35mHawaiian Airlines
Deal found 2/22$1,046
Sun 3/3112:10 amONT - ICN
1 stop27h 35mChina Airlines
Sat 6/112:35 pmICN - ONT
1 stop21h 30mChina Airlines
Deal found 2/21$1,094
Wed 3/1311:45 pmONT - ICN
1 stop28h 10mChina Airlines
Mon 3/2512:25 pmICN - ONT
1 stop21h 10mChina Airlines
Deal found 2/20$1,109
Mon 3/48:35 amONT - ICN
1 stop41h 50mHawaiian Airlines
Fri 3/89:25 pmICN - ONT
1 stop17h 35mHawaiian Airlines
Deal found 2/22$1,121
Sat 3/1611:45 pmONT - ICN
1 stop28h 10mChina Airlines
Mon 3/2512:25 pmICN - ONT
1 stop21h 10mChina Airlines
Deal found 2/20$1,134
Wed 3/1311:45 pmONT - ICN
1 stop28h 10mChina Airlines
Wed 5/158:50 pmICN - ONT
1 stop37h 15mChina Airlines
Deal found 2/21$1,137
Tue 3/1211:45 pmONT - ICN
1 stop28h 10mChina Airlines
Mon 3/2512:25 pmICN - ONT
1 stop21h 10mChina Airlines
Deal found 2/21$1,141
Wed 3/1311:45 pmONT - ICN
1 stop28h 10mChina Airlines
Wed 3/208:55 pmICN - ONT
1 stop36h 40mChina Airlines
Deal found 2/22$1,150
Wed 3/1311:45 pmONT - ICN
1 stop28h 10mChina Airlines
Tue 3/268:55 pmICN - ONT
1 stop36h 40mChina Airlines
Deal found 2/20$1,152

Ontario to Seoul 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Seoul in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,442,422 searches. Data last updated February 22, 2024.
Check out some of the best flight deals from Ontario to Seoul in 2024. Check back in a little while for more flight options.
Mon 4/810:05 amONT - ICN
1 stop40h 55mHawaiian Airlines
Fri 4/129:25 pmICN - ONT
1 stop16h 45mHawaiian Airlines
Deal found 2/21$976
Wed 4/1010:05 amONT - ICN
1 stop40h 55mHawaiian Airlines
Wed 4/179:25 pmICN - ONT
1 stop16h 45mHawaiian Airlines
Deal found 2/21$1,001
Mon 4/812:10 amONT - ICN
1 stop27h 35mChina Airlines
Sun 5/128:50 pmICN - ONT
1 stop37h 15mChina Airlines
Deal found 2/21$1,007
Thu 9/128:05 amONT - ICN
1 stop18h 55mHawaiian Airlines
Wed 11/209:45 pmICN - ONT
1 stop15h 55mHawaiian Airlines
Deal found 2/22$1,010
Tue 9/38:10 amONT - ICN
1 stop18h 50mHawaiian Airlines
Mon 9/169:25 pmICN - ONT
1 stop38h 25mHawaiian Airlines
Deal found 2/21$1,026
Tue 4/912:10 amONT - ICN
1 stop27h 35mChina Airlines
Tue 4/1612:35 pmICN - ONT
1 stop21h 30mChina Airlines
Deal found 2/21$1,029
Mon 4/2212:10 amONT - ICN
1 stop27h 35mChina Airlines
Thu 5/212:35 pmICN - ONT
1 stop21h 30mChina Airlines
Deal found 2/20$1,035
Sat 4/2012:10 amONT - ICN
1 stop27h 35mChina Airlines
Wed 5/812:35 pmICN - ONT
1 stop21h 30mChina Airlines
Deal found 2/21$1,042
Wed 3/68:35 amONT - ICN
1 stop41h 50mHawaiian Airlines
Wed 3/139:25 pmICN - ONT
1 stop16h 35mHawaiian Airlines
Deal found 2/22$1,046

Ontario to Seoul flights leaving soon

Find last-minute flight options from Ontario to Seoul for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,442,422 searches. Data last updated February 22, 2024.
Have a look at some of the flights available from Ontario to Seoul departing last-minute. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Tue 2/2710:45 pmONT - ICN
1 stop19h 35mChina Airlines
Mon 3/1112:25 pmICN - ONT
1 stop21h 10mChina Airlines
Deal found 2/21$1,189
Sun 3/310:45 pmONT - ICN
1 stop19h 35mChina Airlines
Wed 3/208:55 pmICN - ONT
1 stop36h 40mChina Airlines
Deal found 2/21$1,202
Fri 3/110:45 pmONT - ICN
1 stop28h 10mChina Airlines
Sat 3/98:55 pmICN - ONT
1 stop36h 40mChina Airlines
Deal found 2/22$1,370
Wed 2/285:35 amONT - ICN
1 stop17h 40mKorean Air
Tue 3/58:05 pmICN - ONT
1 stop20h 23mKorean Air
Deal found 2/21$1,506
Sun 3/35:35 amONT - ICN
1 stop17h 40mKorean Air
Wed 3/204:00 pmICN - ONT
1 stop14h 09mKorean Air
Deal found 2/21$1,546
Tue 2/275:35 amONT - ICN
1 stop17h 40mKorean Air
Mon 3/118:05 pmICN - ONT
1 stop18h 12mKorean Air
Deal found 2/21$1,552
Fri 3/15:35 amONT - ICN
1 stop17h 40mKorean Air
Fri 3/88:05 pmICN - ONT
1 stop20h 23mKorean Air
Deal found 2/20$1,594
Wed 2/286:00 amONT - ICN
1 stop17h 15mUnited Airlines
Tue 3/56:00 pmICN - ONT
2 stops19h 49mUnited Airlines
Deal found 2/21$1,653
Fri 3/15:35 amONT - ICN
1 stop17h 40mKorean Air
Sat 3/98:05 pmICN - ONT
1 stop19h 12mKorean Air
Deal found 2/22$1,655

One-way flights to Seoul from Ontario

Search for one-way flight options from Ontario to Seoul. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,442,422 searches. Data last updated February 22, 2024.
Users traveling one-way from Ontario to Seoul can select one of these great deals. Those seeking round-trip flights from Ontario to Seoul should utilize the search form at the the top of the page.
Thu 4/2510:05 amONT - ICN
1 stop40h 55mHawaiian Airlines
Deal found 2/21$529
Wed 3/68:35 amONT - ICN
1 stop41h 50mHawaiian Airlines
Deal found 2/21$535
Sun 8/188:50 amONT - ICN
1 stop18h 10mHawaiian Airlines
Deal found 2/20$545
Thu 4/410:05 amONT - ICN
1 stop40h 55mHawaiian Airlines
Deal found 2/21$567
Wed 4/2412:10 amONT - ICN
2 stops31h 05mMultiple Airlines
Deal found 2/21$592
Wed 4/2412:10 amONT - ICN
1 stop27h 35mChina Airlines
Deal found 2/21$595
Fri 4/127:16 amONT - ICN
3 stops43h 44mMultiple Airlines
Deal found 2/22$596
Mon 4/1512:10 amONT - ICN
1 stop27h 35mChina Airlines
Deal found 2/21$602
Tue 4/1612:10 amONT - ICN
2 stops30h 30mMultiple Airlines
Deal found 2/21$603

Find flights from Ontario to Seoul within your budget

Customize your flight search to find flights from Ontario to Seoul 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 3,442,422 searches. Data last updated February 22, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$976 - $1,672

Route

Depart

Return

Price

OntarioIncheon Intl

ONT - ICN

ONTICN

Ontario

Mon 4/8

1 stop40h 55m

Incheon Intl

Fri 4/12

1 stop16h 45m

$976

OntarioIncheon Intl

ONT - ICN

ONTICN

Ontario

Wed 4/10

1 stop40h 55m

Incheon Intl

Wed 4/17

1 stop16h 45m

$1,001

OntarioIncheon Intl

ONT - ICN

ONTICN

Ontario

Mon 4/8

1 stop27h 35m

Incheon Intl

Sun 5/12

1 stop37h 15m

$1,007

OntarioIncheon Intl

ONT - ICN

ONTICN

Ontario

Tue 4/9

1 stop27h 35m

Incheon Intl

Tue 4/16

1 stop21h 30m

$1,029

OntarioIncheon Intl

ONT - ICN

ONTICN

Ontario

Mon 4/22

1 stop27h 35m

Incheon Intl

Thu 5/2

1 stop21h 30m

$1,035

OntarioIncheon Intl

ONT - ICN

ONTICN

Ontario

Wed 3/27

1 stop22h 26m

Incheon Intl

Thu 4/4

2 stops31h 39m

$1,263

OntarioIncheon Intl

ONT - ICN

ONTICN

Ontario

Mon 4/22

2 stops31h 05m

Incheon Intl

Fri 5/31

1 stop29h 06m

$1,265

OntarioIncheon Intl

ONT - ICN

ONTICN

Ontario

Thu 4/4

1 stop18h 30m

Incheon Intl

Thu 4/25

1 stop33h 52m

$1,358

OntarioSeoul Gimpo Intl

ONT - GMP

ONTGMP

Ontario

Fri 4/12

2 stops24h 00m

Seoul Gimpo Intl

Fri 4/26

2 stops23h 51m

$1,672

Flights are sorted by cheapest first

Deals found on 2/21

When is the cheapest time to fly from Ontario to Seoul?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Seoul. Price data was last updated on February 18, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ontario to Seoul flight should consider departing on Tuesday evenings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Seoul by month

Plan your trip from Ontario to Seoul by taking into account the cheapest months to travel. The average price of a one-way flight from Ontario to Seoul is currently $574 while a round-trip flight costs $1,178. Price data was last updated on February 18, 2024.

Currently, January is the cheapest month in which you can book a flight from Ontario to Seoul (average of $1,223). Flying from Ontario to Seoul in July is currently the most expensive (average of $1,887). 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.

January

$1,223

February

$1,279

March

$1,339

April

$1,415

May

$1,559

June

$1,856

July

$1,887

August

$1,515

September

$1,423

October

$1,416

November

$1,292

December

$1,567

Temperature and rainfall in Seoul by month

Plan your trip to Seoul by taking into account the average temperature and rainfall totals by month.

SEL

Temperature

35.6 - 77 °F

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated February 22, 2024.
Peruse reviews from past customers who have flown with Hawaiian Airlines, China Airlines and American Airlines from Ontario to Seoul to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.5
Very good
1,260 reviews

Entertainment

8.2

Crew

8.8

Overall

8.5

Food

8.2

Boarding

8.6

Comfort

8.3

Reviews

1 / 10

if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now

8.5
Very good
1,260 reviews
8.5
Very good
1,260 reviews

Entertainment

8.2

Crew

8.8

Overall

8.5

Food

8.2

Boarding

8.6

Comfort

8.3

Reviews

1 / 10

if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now

8.3
Very good
1,486 reviews
8.5
Very good
1,260 reviews

Entertainment

8.2

Crew

8.8

Overall

8.5

Food

8.2

Boarding

8.6

Comfort

8.3

Reviews

1 / 10

if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now

8.3
Very good
1,050 reviews
8.5
Very good
1,260 reviews

Entertainment

8.2

Crew

8.8

Overall

8.5

Food

8.2

Boarding

8.6

Comfort

8.3

Reviews

1 / 10

if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now

8.1
Very good
11,921 reviews
8.5
Very good
1,260 reviews

Entertainment

8.2

Crew

8.8

Overall

8.5

Food

8.2

Boarding

8.6

Comfort

8.3

Reviews

1 / 10

if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now

8.0
Very good
2,357 reviews
8.5
Very good
1,260 reviews

Entertainment

8.2

Crew

8.8

Overall

8.5

Food

8.2

Boarding

8.6

Comfort

8.3

Reviews

1 / 10

if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now

Related info for your journey

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

Can I find flights from Ontario to Seoul for under $1,000 on Cheapflights?

Yes, there are multiple flights from Ontario to Seoul for under $1,000. The cheapest flight booked recently is on Hawaiian Airlines for just $976, but on average you can expect to pay $1,051.

Are there last-minute flights available from Ontario to Seoul for under $1,200?

There are currently 20+ open flights from Ontario to Seoul within the next 7 days for less than $1,200.

What are the cheapest airlines flying from Ontario to Seoul round-trip?

According to our current data, Hawaiian Airlines ($976), and China Airlines ($1,007) offers the cheapest pricing from Ontario to Seoul. Hawaiian Airlines is 33% cheaper than the average price of flights available within the next 90 days to this destination.

What are the most popular airlines that fly from Ontario to Seoul?

What does ONT to ICN mean?

Ontario Airport is ONT and Incheon Intl Airport is ICN. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Ready for more IATA code knowledge? These are related airports for your current travel destination: Seoul Gimpo Intl Airport (GMP).

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Ontario to Seoul

Discover the top 3 airlines that operate flights from Ontario to Seoul. 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 3,442,422 searches. Data last updated February 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$476Average$1,007FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
China AirlinesCheapest$1,068Average$1,295FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
DeltaCheapest$1,536Average$1,586FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Search flights from Ontario to Seoul by cabin class

Find flights from Ontario to Seoul, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Seoul?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Seoul. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Seoul?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to Seoul.

Can Cheapflights find flights from Ontario to Seoul with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Seoul flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ontario to Seoul become cheaper?

Of course! You can now track prices for flights from Ontario to Seoul and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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