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

According to our current data, China Airlines ($1,004), Alaska Airlines ($1,110), and Hawaiian Airlines ($1,306) offers the cheapest pricing from Ontario to Seoul. China Airlines is 27% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Ontario to Seoul one-way?

The cheapest airlines for a one-way flight from Ontario to Seoul are WestJet ($567), Alaska Airlines ($595), and China Airlines ($613).

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

Travelers seeking maximum savings on their Ontario to Seoul flight should consider departing on Tuesday evenings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Saturday 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 12 days before your planned departure. Booking around this time can save you about 9% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $685 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $904.

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

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, February can be a great choice for travel to Seoul. Flights to Seoul from Ontario in February are about $1,078 on average during February, but can be found for as low as $412.

Most accurate provider : When it comes to deals on Ontario-Seoul flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Ontario-Seoul flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Ontario-Seoul flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Ontario-Seoul flights, Cheapflights users trust AranGrant the most. AranGrant 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 Ontario-Seoul flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Ontario to Seoul?

Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Seoul. 2 airlines have flights from Ontario to Seoul on a regular basis. Booking flights from Ontario to Seoul should not be difficult; the airport handles an average of 0 outbound flights to Seoul per day.

Can I find deals for flights from Ontario to Seoul that include hotel bookings?

Yes. In addition to deals on Ontario to Seoul flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to Seoul?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Seoul.

Can I find deals for business class flights from Ontario to Seoul?

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

$567+ Flights from Ontario to Seoul

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Find cheap flights from Ontario to Seoul with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Seoul

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$1,004 (oojo)
One-way from	$567 (WestJet)
Popular in	December
Cheapest in	August
Average price	$1,433

Provider with most accurate pricing for Ontario-Seoul (SEL) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Ontario-Seoul (SEL) flights.

Search Deals

From Ontario to Seoul (SEL)

Search Deals

One-way flight from Ontario to Seoul (SEL)

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($257 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease ($106 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

Find flight deals from Ontario to Seoul

Cheapest flights from Ontario to Seoul
Explore the most affordable flight options available from Ontario to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 1, 2025.

lun. 9/812:45 amONT - ICN

1 stop26h 50mChina Airlines

mar. 9/168:35 pmICN - ONT

1 stop37h 25mChina Airlines

Deal found 4/29

$1,004

jue. 8/287:10 amONT - ICN

2 stops19h 50mAlaska Airlines

lun. 9/19:25 pmICN - ONT

2 stops28h 01mAlaska Airlines

Deal found 4/28

$1,110

mar. 4/2912:10 amONT - ICN

2 stops31h 35mMultiple Airlines

mié. 5/78:20 amICN - ONT

2 stops25h 40mMultiple Airlines

Deal found 4/29

$1,167

sáb. 5/179:50 amONT - ICN

1 stop17h 10mHawaiian Airlines

sáb. 5/249:25 pmICN - ONT

1 stop16h 30mHawaiian Airlines

Deal found 4/30

$1,306

mié. 8/277:00 amONT - ICN

1 stop17h 40mKorean Air

mié. 1/74:10 pmICN - ONT

1 stop18h 05mKorean Air

Deal found 4/30

$1,336

mar. 5/610:59 pmONT - ICN

2 stops43h 46mEtihad Airways

mar. 5/275:45 pmICN - ONT

2 stops43h 26mEtihad Airways

Deal found 4/29

$1,349

jue. 10/26:00 amONT - ICN

1 stop17h 20mDelta

mar. 10/147:20 pmICN - ONT

2 stops20h 26mDelta

Deal found 4/29

$1,380

mar. 9/3011:59 pmONT - ICN

1 stop23h 31mAmerican Airlines

mar. 10/286:50 pmICN - ONT

1 stop19h 10mAmerican Airlines

Deal found 4/29

$1,417

sáb. 5/316:00 amONT - ICN

2 stops44h 45mWestJet

mar. 6/108:45 pmICN - ONT

2 stops36h 25mWestJet

Deal found 4/29

$1,440

dom. 8/36:58 pmONT - GMP

2 stops31h 12mMultiple Airlines

vie. 8/151:50 pmGMP - ONT

2 stops26h 23mMultiple Airlines

Deal found 4/30

$1,567

sáb. 8/26:00 amONT - GMP

2 stops23h 50mJapan Airlines

vie. 8/1512:05 pmGMP - ONT

2 stops21h 59mJapan Airlines

Deal found 4/30

$2,016

Best flights from Ontario to Seoul
Discover carefully curated flight deals from Ontario to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated mayo 1, 2025.

lun. 9/812:45 amONT - ICN

1 stop26h 50mChina Airlines

mar. 9/168:35 pmICN - ONT

1 stop37h 25mChina Airlines

Deal found 4/29

$1,004

jue. 8/287:10 amONT - ICN

2 stops19h 50mAlaska Airlines

lun. 9/19:25 pmICN - ONT

2 stops28h 01mAlaska Airlines

Deal found 4/28

$1,110

vie. 9/57:10 amONT - ICN

2 stops19h 50mMultiple Airlines

dom. 9/218:35 pmICN - ONT

1 stop37h 25mMultiple Airlines

Deal found 4/30

$1,180

sáb. 5/179:50 amONT - ICN

1 stop17h 10mHawaiian Airlines

sáb. 5/249:25 pmICN - ONT

1 stop16h 30mHawaiian Airlines

Deal found 4/30

$1,306

mié. 8/277:00 amONT - ICN

1 stop17h 40mKorean Air

mié. 1/74:10 pmICN - ONT

1 stop18h 05mKorean Air

Deal found 4/30

$1,336

vie. 9/511:00 pmONT - ICN

2 stops55h 05mEtihad Airways

jue. 9/185:45 pmICN - ONT

2 stops43h 56mEtihad Airways

Deal found 4/30

$1,349

jue. 10/27:00 amONT - ICN

1 stop17h 30mDelta

mar. 10/147:20 pmICN - ONT

2 stops20h 26mDelta

Deal found 4/30

$1,380

mar. 9/3011:59 pmONT - ICN

1 stop23h 31mAmerican Airlines

mar. 10/286:50 pmICN - ONT

1 stop19h 10mAmerican Airlines

Deal found 4/29

$1,417

sáb. 5/316:00 amONT - ICN

2 stops44h 45mWestJet

mar. 6/108:45 pmICN - ONT

2 stops36h 25mWestJet

Deal found 4/29

$1,440

mar. 9/96:00 amONT - ICN

1 stop17h 00mUnited Airlines

mar. 9/1611:30 amICN - ONT

1 stop16h 43mUnited Airlines

Deal found 4/29

$1,476

sáb. 8/26:00 amONT - GMP

2 stops23h 50mJapan Airlines

vie. 8/1512:05 pmGMP - ONT

2 stops21h 59mJapan Airlines

Deal found 4/30

$2,016

dom. 8/36:58 pmONT - GMP

2 stops31h 12mMultiple Airlines

vie. 8/151:50 pmGMP - ONT

2 stops26h 23mMultiple Airlines

Deal found 4/30

$1,567

Last-minute flights from Ontario to Seoul
Discover last-minute flight deals from Ontario to Seoul. Data last updated mayo 1, 2025 and is based on user searches.

mié. 4/306:00 amONT - ICN

2 stops45h 00mAlaska Airlines

mié. 5/79:25 pmICN - ONT

2 stops29h 26mAlaska Airlines

Deal found 4/29

$1,207

mié. 4/305:45 amONT - ICN

1 stop18h 55mDelta

mié. 5/77:20 pmICN - ONT

1 stop15h 00mDelta

Deal found 4/29

$1,376

mié. 4/307:05 amONT - ICN

1 stop15h 55mUnited Airlines

mié. 5/74:50 pmICN - ONT

1 stop13h 35mUnited Airlines

Deal found 4/29

$1,476

lun. 5/512:10 amONT - ICN

2 stops27h 10mMultiple Airlines

dom. 5/188:00 amICN - ONT

2 stops26h 00mMultiple Airlines

Deal found 4/29

$1,190

mar. 5/612:10 amONT - ICN

1 stop27h 25mChina Airlines

mar. 5/1312:35 pmICN - ONT

1 stop21h 25mChina Airlines

Deal found 4/29

$1,122

mar. 5/610:59 pmONT - ICN

2 stops55h 06mEtihad Airways

dom. 5/185:45 pmICN - ONT

2 stops43h 26mEtihad Airways

Deal found 4/30

$1,616

mar. 5/66:00 amONT - ICN

1 stop17h 00mUnited Airlines

dom. 5/184:50 pmICN - ONT

1 stop13h 35mUnited Airlines

Deal found 5/1

$1,726

mar. 5/610:59 pmONT - ICN

2 stops43h 46mEtihad Airways

mar. 5/275:45 pmICN - ONT

2 stops43h 26mEtihad Airways

Deal found 4/29

$1,349

mié. 5/711:46 amONT - ICN

2 stops37h 19mQatar Airways

jue. 5/151:20 amICN - ONT

2 stops33h 05mQatar Airways

Deal found 4/30

$1,761

jue. 5/86:00 amONT - ICN

1 stop18h 30mKorean Air

jue. 5/154:40 pmICN - ONT

1 stop17h 40mKorean Air

Deal found 4/30

$1,598

sáb. 5/104:29 pmONT - ICN

2 stops34h 31mAlaska Airlines

mié. 5/289:25 pmICN - ONT

2 stops34h 25mAlaska Airlines

Deal found 4/30

$1,254

sáb. 5/104:57 pmONT - ICN

2 stops55h 33mDelta

mié. 5/287:20 pmICN - ONT

1 stop15h 00mDelta

Deal found 4/30

$1,597

One-way flights from Ontario to Seoul
Search for one-way flight options from Ontario to Seoul. Find affordable one-way fares based on user searches. Data last updated mayo 1, 2025.

sáb. 9/2011:29 amONT - ICN

2 stops63h 16mWestJet

Deal found 4/29

$567

sáb. 8/166:51 pmONT - ICN

2 stops32h 09mAlaska Airlines

Deal found 4/30

$595

lun. 9/1512:10 amONT - ICN

1 stop19h 05mChina Airlines

Deal found 4/30

$613

mar. 9/166:00 amONT - ICN

2 stops18h 05mMultiple Airlines

Deal found 4/30

$670

dom. 9/217:22 pmONT - GMP

2 stops30h 48mEVA Air

Deal found 4/30

$680

mié. 10/17:22 pmONT - ICN

2 stops25h 03mEVA Air

Deal found 4/28

$680

dom. 8/102:21 pmONT - GMP

2 stops35h 49mMultiple Airlines

Deal found 4/30

$684

sáb. 9/2010:09 amONT - ICN

1 stop16h 51mHawaiian Airlines

Deal found 4/29

$711

mié. 8/137:00 amONT - ICN

1 stop17h 40mKorean Air

Deal found 4/30

$759

mar. 9/307:00 amONT - ICN

2 stops44h 35mDelta

Deal found 4/29

$802

lun. 8/41:19 pmONT - ICN

1 stop33h 41mUnited Airlines

Deal found 4/30

$850

mar. 5/610:59 pmONT - ICN

2 stops55h 06mEtihad Airways

Deal found 4/29

$923

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioIncheon

ONT - ICN

ONTICN

Ontario

dom. 5/11

8:24 am-8:30 pm

1 stop20h 06m

Incheon Intl

sáb. 5/24

6:20 pm-11:36 pm

1 stop21h 16m

$788

OntarioIncheon

ONT - ICN

ONTICN

Ontario

lun. 10/13

12:10 am-7:35 pm

1 stop27h 25m

Incheon Intl

mar. 10/28

12:25 pm-5:50 pm

1 stop21h 25m

$1,004

OntarioIncheon

ONT - ICN

ONTICN

Ontario

sáb. 8/30

7:22 pm-7:00 pm

2 stops31h 38m

Incheon Intl

mié. 9/10

9:25 pm-10:44 am

2 stops29h 19m

$1,110

OntarioIncheon

ONT - ICN

ONTICN

Ontario

sáb. 5/17

9:50 am-7:00 pm

1 stop17h 10m

Incheon Intl

sáb. 5/24

9:25 pm-9:55 pm

1 stop16h 30m

$1,306

OntarioIncheon

ONT - ICN

ONTICN

Ontario

mié. 8/27

7:00 am-4:40 pm

1 stop17h 40m

Incheon Intl

mié. 1/7

4:10 pm-5:15 pm

1 stop18h 05m

$1,336

OntarioIncheon

ONT - ICN

ONTICN

Ontario

vie. 9/5

11:00 pm-10:05 pm

2 stops55h 05m

Incheon Intl

jue. 9/18

5:45 pm-9:41 pm

2 stops43h 56m

$1,349

OntarioIncheon

ONT - ICN

ONTICN

Ontario

jue. 10/2

7:00 am-4:30 pm

1 stop17h 30m

Incheon Intl

mar. 10/14

7:20 pm-11:46 pm

2 stops20h 26m

$1,380

OntarioIncheon

ONT - ICN

ONTICN

Ontario

lun. 10/20

6:30 pm-4:20 am

1 stop17h 50m

Incheon Intl

mar. 11/4

12:45 pm-1:10 pm

1 stop17h 25m

$1,476

OntarioIncheon

ONT - ICN

ONTICN

Ontario

sáb. 6/7

11:44 am-6:45 pm

2 stops63h 01m

Incheon Intl

dom. 6/15

8:45 pm-5:10 pm

2 stops36h 25m

$1,481

OntarioIncheon

ONT - ICN

ONTICN

Ontario

mar. 8/26

11:39 am-5:05 pm

2 stops37h 26m

Incheon Intl

mar. 9/2

1:20 am-6:28 pm

2 stops33h 08m

$1,539

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 26 results

Compare providers for flights from Ontario to Seoul

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Seoul in May.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 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 Ontario-Seoul flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Ontario-Seoul flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Ontario-Seoul flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Ontario-Seoul flights, Cheapflights users trust AranGrant the most. AranGrant 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 Ontario-Seoul 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 Ontario to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Ontario 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 Ontario to Seoul

What is the cheapest month to book a flight from Ontario to Seoul?

Currently, February is the cheapest month in which you can book a flight from Ontario to Seoul (average of $1,001). Flying from Ontario to Seoul in December is currently the most expensive (average of $1,635). 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 ONT to SEL?

Unlike in the morning, when flights are generally more expensive, you can save up to 24% on flights from Ontario to Seoul by exploring options for tickets at noon.

Rainfall in Seoul by month

In terms of precipitation, rainfall in Seoul ranges from 1.1 - 10.0 inches per month. July is typically the wettest month, when rainfall can reach 10.0 in. December is typically the driest time to visit Seoul when rainfall is around 1.1 in.

Temperature in Seoul by month

If weather is an important factor for your trip to Seoul, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Seoul

Peruse reviews from past customers who have flown with EVA Air, Korean Air and Japan 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.

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

EVA Air

8.4

Very good

1,186 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Korean Air

8.4

Very good

1,068 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Japan Airlines

8.3

Very good

1,464 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

China Airlines

8.3

Very good

732 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Alaska Airlines

8.0

Very good

9,972 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Related info for your journey

What airport do you fly from for flights from Ontario to Seoul?
Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Seoul. 2 airlines have flights from Ontario to Seoul on a regular basis. Booking flights from Ontario to Seoul should not be difficult; the airport handles an average of 0 outbound flights to Seoul per day.
What are the cheapest airlines flying from Ontario to Seoul round-trip?
According to our current data, China Airlines ($1,004), Alaska Airlines ($1,110), and Hawaiian Airlines ($1,306) offers the cheapest pricing from Ontario to Seoul. China Airlines is 27% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Ontario to Seoul one-way?
The cheapest airlines for a one-way flight from Ontario to Seoul are WestJet ($567), Alaska Airlines ($595), and China Airlines ($613).
Can I find deals for flights from Ontario to Seoul that include hotel bookings?
Yes. In addition to deals on Ontario to Seoul flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Seoul?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Seoul.
Can I find deals for business class flights from Ontario to Seoul?
Yes. Cheapflights offers flight deals from Ontario to Seoul 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 Ontario to Seoul?
Currently, February is the cheapest month in which you can book a flight from Ontario to Seoul (average of $1,001). Flying from Ontario to Seoul in December is currently the most expensive (average of $1,635). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Ontario to Seoul

Airline	Cheapest	Average	Flexibility	On-time
China Airlines	Cheapest$961	Average$1,061	FlexibilityNo cancel fee	On-time70%
Korean Air	Cheapest$1,111	Average$1,230	FlexibilityNo cancel fee	On-time81%

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$567+ Cheap flights from Ontario (ONT) to Seoul (SEL)

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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Seoul with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Seoul

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to Seoul

Cheapest flights from Ontario to SeoulExplore the most affordable flight options available from Ontario to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 1, 2025.

Explore the most affordable flight options available from Ontario to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Seoul that are best for you.

Compare providers for flights from Ontario to Seoul

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 Ontario to Seoul in May.

Best time to book a flight from Ontario to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Seoul

What is the cheapest month to book a flight from Ontario to Seoul?

What is the cheapest time of day to fly from ONT to SEL?

Find hourly flight availability from Ontario to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated mayo 1, 2025.

Rainfall in Seoul by month

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

Temperature in Seoul by month

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

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 mayo 1, 2025.

Peruse reviews from past customers who have flown with EVA Air, Korean Air and Japan 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.

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.

What airport do you fly from for flights from Ontario to Seoul?

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

What are the cheapest airlines to fly from Ontario to Seoul one-way?

Can I find deals for flights from Ontario to Seoul that include hotel bookings?

How can I find direct flights from Ontario to Seoul?

Can I find deals for business class flights from Ontario to Seoul?

What is the cheapest month to book a flight from Ontario to Seoul?

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Alternative routes for Ontario to Seoul

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Ontario to Seoul

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Cheapest flights from Ontario to Seoul
Explore the most affordable flight options available from Ontario to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 1, 2025.