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$142+ Cheap flights from Singapore (SIN) 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEL
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Singapore Changi to Seoul are usually found in July or August, booked 3 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Singapore to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SIN) 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 September 15, 2025.

Round-trip from

$240
(Kiwi.com)

One-way from

$142
(Jeju Air)

Popular in

December

Cheapest in

July

Average price

$347

Good round-trip deal

$256 or less

Good one-way deal

$244 or less
From Singapore Changi to Seoul (SEL)
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One-way flight from Singapore Changi to Seoul (SEL)
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Highest demand for flights based on searches. 16% potential increase in price ($77 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Singapore Changi to Seoul (SEL).
Search Deals
Price to beat on a one-way flight from Singapore Changi to Seoul (SEL).
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Find flight deals from Singapore to Seoul

Cheapest flights from Singapore to Seoul
Explore the most affordable flight options available from Singapore to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/144:40 amSIN - ICN
1 stop15h 50mMultiple Airlines
Mon 11/246:20 pmICN - SIN
Nonstop6h 50mMultiple Airlines
Deal found 9/13$240
This T'way Air deal was found by Cheapflights users on 9/15. 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 T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3011:00 pmSIN - ICN
Nonstop6h 30mT'way Air
Fri 10/103:40 pmICN - SIN
Nonstop6h 50mT'way Air
Deal found 9/15$243
This Booking.com deal was found by Cheapflights users on 9/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/253:15 amSIN - ICN
Nonstop6h 55mMultiple Airlines
Sun 10/1910:05 amICN - SIN
1 stop26h 50mMultiple Airlines
Deal found 9/14$245
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2111:00 pmSIN - ICN
Nonstop6h 30mMultiple Airlines
Wed 9/248:40 pmICN - SIN
Nonstop6h 35mMultiple Airlines
Deal found 9/13$248
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2410:50 amSIN - ICN
1 stop12h 55mMultiple Airlines
Mon 12/16:20 pmICN - SIN
Nonstop6h 50mMultiple Airlines
Deal found 9/15$249
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/13:15 amSIN - ICN
Nonstop6h 55mMultiple Airlines
Sat 10/1112:10 amICN - SIN
1 stop11h 05mMultiple Airlines
Deal found 9/14$250
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2210:50 amSIN - ICN
1 stop12h 55mMultiple Airlines
Mon 12/16:20 pmICN - SIN
Nonstop6h 50mMultiple Airlines
Deal found 9/15$251
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2210:50 amSIN - ICN
1 stop12h 55mMultiple Airlines
Tue 12/26:20 pmICN - SIN
Nonstop6h 50mMultiple Airlines
Deal found 9/15$253
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/43:15 amSIN - ICN
Nonstop6h 55mMultiple Airlines
Sat 10/1112:10 amICN - SIN
1 stop11h 05mMultiple Airlines
Deal found 9/13$256
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/314:40 amSIN - ICN
1 stop15h 50mMultiple Airlines
Mon 11/310:55 pmICN - SIN
1 stop10h 25mMultiple Airlines
Deal found 9/15$258
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/12:15 amSIN - GMP
1 stop9h 15mMultiple Airlines
Sun 10/126:50 amGMP - SIN
1 stop18h 55mMultiple Airlines
Deal found 9/14$294
This Mytrip deal was found by Cheapflights users on 9/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/412:35 amSIN - GMP
1 stop30h 45mMultiple Airlines
Sun 10/126:50 amGMP - SIN
1 stop18h 55mMultiple Airlines
Deal found 9/13$323

Cheapflights Fare Finder

 
Customize your flight search to find flights from Singapore 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 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Singapore to Seoul that are best for you.

Fly from

Singapore

Fly to

Seoul

Route

Depart

Return

Price

SingaporeIncheon

SIN - ICN

SINICN

Singapore Changi

Thu 11/20

6:25 pm-4:25 pm

1 stop21h 00m

Incheon Intl

Sat 11/29

6:05 pm-12:25 pm

1 stop19h 20m

$302

SingaporeIncheon

SIN - ICN

SINICN

Singapore Changi

Wed 11/19

8:45 pm-4:25 pm

1 stop18h 40m

Incheon Intl

Sat 11/29

6:05 pm-12:25 pm

1 stop19h 20m

$302

SingaporeIncheon

SIN - ICN

SINICN

Singapore Changi

Thu 10/2

10:50 pm-6:40 am

Nonstop6h 50m

Incheon Intl

Wed 10/15

4:10 pm-9:30 pm

Nonstop6h 20m

$318

SingaporeSeoul

SIN - GMP

SINGMP

Singapore Changi

Fri 11/7

9:30 am-1:05 pm

1 stop26h 35m

Seoul Gimpo Intl

Sun 11/16

2:25 pm-6:50 am

1 stop17h 25m

$327

SingaporeIncheon

SIN - ICN

SINICN

Singapore Changi

Mon 10/27

11:15 am-9:15 am

1 stop21h 00m

Incheon Intl

Thu 11/6

11:35 am-6:00 pm

1 stop31h 25m

$329

SingaporeIncheon

SIN - ICN

SINICN

Singapore Changi

Fri 10/24

3:15 am-11:10 am

Nonstop6h 55m

Incheon Intl

Sat 11/1

6:20 pm-12:10 am

Nonstop6h 50m

$334

SingaporeIncheon

SIN - ICN

SINICN

Singapore Changi

Fri 10/31

1:10 am-8:40 am

Nonstop6h 30m

Incheon Intl

Sun 11/9

6:20 pm-12:10 am

Nonstop6h 50m

$334

SingaporeIncheon

SIN - ICN

SINICN

Singapore Changi

Sat 11/22

9:35 am-8:30 am

1 stop21h 55m

Incheon Intl

Fri 11/28

11:35 am-6:00 pm

1 stop31h 25m

$338

SingaporeIncheon

SIN - ICN

SINICN

Singapore Changi

Sat 11/22

9:35 am-8:30 am

1 stop21h 55m

Incheon Intl

Wed 12/3

11:35 am-6:00 pm

1 stop31h 25m

$338

SingaporeIncheon

SIN - ICN

SINICN

Singapore Changi

Sat 11/22

9:30 pm-8:30 am

1 stop10h 00m

Incheon Intl

Tue 12/2

11:35 am-6:00 pm

1 stop31h 25m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 41 results
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The best insider tips for Singapore to Seoul flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Singapore to Seoul trip
Airlines
Korean Air

Economy class offers spacious seating with 33”-34” pitch, surpassing many competitors.


Enjoy traditional Korean dishes like bibimbap, a highlight of KE's economy class meals.

Read more about Korean Airby Yulia Denisyuk
Singapore Airlines

SQ offers free unlimited Wi-Fi for all passengers, enhancing the in-flight experience.


SQ's economy class provides 32 inches of legroom and in-seat power for comfort.

Read more about Singapore Airlinesby Gabriel Leigh
Airports
SIN

For a smooth departure, check in online and use early check-in desks at Jewel up to 24 hours before your flight.

Read more about SINby Yulia Denisyuk
ICN

The AREX express train is a quick option to Seoul, taking 40-50 minutes to/from Seoul Station.

Read more about ICNby Gabriel Leigh
Our travel experts
Yulia Denisyuk

Yulia Denisyuk

Expert on Korean Air and SIN

Yulia Denisyuk

Yulia Denisyuk

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on Singapore Airlines and ICN

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more

Best time to book a flight from Singapore to Seoul

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

How far ahead should I book a flight from Singapore to Seoul?

Use this chart to determine the optimal time to book a round-trip flight from Singapore to Seoul. Price data was last updated on August 29, 2025.

Booking 3 days in advance of your planned departure date is, on average, the best time to get cheap flights from Singapore to Seoul. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from Singapore to Seoul (average of $990). Flying from Singapore to Seoul in December is currently the most expensive (average of $1,633). 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 SIN to SEL?

Find hourly flight availability from Singapore 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 September 15, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 65% on flights from Singapore to Seoul by exploring options for tickets in the afternoon.

Weekly flight availability from Singapore to Seoul

Explore weekly flight availability from Singapore to Seoul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 15, 2025.

The most flights from SIN to SEL are scheduled on a Saturday (34 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (26 on average).

How much does it cost to fly round-trip from Singapore to Seoul?

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 September 15, 2025.
Get a feel of what it's like to fly with Korean Air, Asiana Airlines, and Singapore Airlines from Singapore to Seoul by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Boarding

8.5

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
1,139 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Boarding

8.5

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
479 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Boarding

8.5

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.
Singapore Airlines
8.1
Very good
1,365 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Boarding

8.5

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.
Scoot
6.7
Okay
308 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Boarding

8.5

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 Singapore 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 Singapore to Seoul?

    Singapore Changi (SIN) is the airport you will fly out of if you book a flight from Singapore to Seoul. You should not have trouble finding flights to Seoul from Changi; the airport handles an average of 30 outbound flights to Seoul per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the Singapore airport to Seoul. It is only a 10.5 mi journey to Changi (SIN) from Singapore’s city center.

  • How popular is this Singapore to Seoul flight route?

    This flight path from Singapore Changi to Seoul was viewed by 153 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Singapore to Seoul?

    Departing from Singapore to Seoul will take you 21h. There are 2872 mi between Singapore and Seoul. This flight may include one or multiple stops.

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

    Flying on T'way Air is currently your cheapest option to Seoul, with prices starting at $216. Additional round-trip tickets that might be worth considering are offered by Scoot and Korean Air, with the lowest prices starting at $224 and $376, respectively. These flights start at 44% lower than the current average price 3 months from now.

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

    $162 is the cheapest one-way deal found within the past few days, from T'way Air. You may also be able to find cheap deals on Vietnam Airlines and Jeju Air, with prices starting from $188 and $240, respectively.

  • What are the most reliable airlines from Singapore to Seoul?

    Before booking your flight to Seoul from Singapore, check out the most reliable airlines to get you to your destination on time: SriLankan Airlines (77%), Air India (70%), Virgin Australia( 70%).

  • What are the cheapest flights from Singapore to Seoul?

    Looking for the cheapest flight from Singapore to Seoul? While on average our users pay $796, our data indicates the cheapest price to be $110. The most popular route (Singapore Changi - Seoul Gimpo Intl), is priced around $335.

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

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

  • How can I find direct flights from Singapore to Seoul?

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

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

    Yes. Cheapflights offers flight deals from Singapore 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 Singapore to Seoul?

    Currently, February is the cheapest month in which you can book a flight from Singapore to Seoul (average of $990). Flying from Singapore to Seoul in December is currently the most expensive (average of $1,633). 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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Alternative routes for Singapore to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
Singapore to Gimpo Intl flights
Singapore to Incheon Intl flights
Singapore to Busan flights

Top 5 airlines flying from Singapore to Seoul

Discover the top 5 airlines that operate flights from Singapore 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 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
T'way AirCheapest$216Average$376FlexibilityNo cancel feeOn-time88%
ScootCheapest$224Average$300FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$376Average$473FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$390Average$541FlexibilityNo cancel feeOn-time76%
Singapore AirlinesCheapest$411Average$579FlexibilityNo cancel feeOn-time81%

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