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

Booking with Singapore Airlines 85 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 with Singapore Airlines?

Currently, the most affordable month to book a Singapore Airlines flight from Singapore to Seoul in August, with an average price of S$ 591. Conversely, traveling with Singapore Airlines from Singapore to Seoul in December will be the most expensive, with an average cost of S$ 930. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

S$ 523+ Singapore Airlines Flights from Singapore to Seoul

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Cheapest Singapore Airlines flights from Singapore to Seoul
Explore the most affordable Singapore Airlines flight options available from Singapore to Seoul. Find the lowest fares with prices last updated on 23 August 2026.

Sun 20-914:55 -

Nonstop6h 25m

Tue 29-909:00 -

Nonstop6h 20m

Deal found 19-8S$ 646

Sat 22-808:10 -

Nonstop6h 20m

Sun 30-816:45 -

Nonstop6h 15m

Deal found 19-8S$ 892

Fri 21-808:10 -

Nonstop6h 20m

Mon 24-816:45 -

Nonstop6h 15m

Deal found 20-8S$ 1,895

Singapore Airlines flights from Singapore to Seoul in 2026

One-way from	S$ 527
Return from	S$ 522
Popular in	December
Cheapest in	August
Average price (all airlines)	S$ 446

Singapore Airlines
18-11
Nonstop
6h 20m total
Singapore to Seoul

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Singapore Airlines
18-2-25-2
Nonstop
12h 55m total
Singapore to Seoul

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Highest demand for flights from Singapore Changi to Seoul; 16% potential price increase.

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Best time to find cheap flights from Singapore Changi to Seoul; 5% potential price drop.

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Average price for all Singapore Changi to Seoul flights (one-way and round-trip).

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SIN-SEL

SIN-ICN

Which month is the cheapest to fly Economy class from Singapore to Seoul?

For Economy class flights, the cheapest month to fly this route is August. The most expensive months are December and November.

Weekly Singapore Airlines flight availability from Singapore to Seoul

The most Singapore Airlines flights from SIN to SEL are scheduled on a Saturday (5 on average). You will have fewer Singapore Airlines flight options on Thursday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Seoul by month

In terms of precipitation, rainfall in Seoul ranges from 27.0 - 253.0 inches per month. July is typically the wettest month, when rainfall can reach 253.0 mm. December is typically the driest time to visit Seoul when rainfall is around 27.0 mm.

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 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

When is the best time to book a flight to Seoul with Singapore Airlines?

The best time to book a flight to Seoul with Singapore Airlines is 85 days before departure. On average, fares are higher if you book on the same day as departure.

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.

SIN-SEL

SIN-ICN

Estimated return 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.

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Singapore Airlines flights from Singapore to Seoul (SIN - SEL)

Find Singapore Airlines flight deals from Singapore to Seoul

Cheapest Singapore Airlines flights from Singapore to SeoulExplore the most affordable Singapore Airlines flight options available from Singapore to Seoul. Find the lowest fares with prices last updated on 23 August 2026.

Explore the most affordable Singapore Airlines flight options available from Singapore to Seoul. Find the lowest fares with prices last updated on 23 August 2026.

Best Singapore Airlines flights from Singapore to SeoulDiscover carefully curated Singapore Airlines flight deals from Singapore to Seoul that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 August 2026.

Discover carefully curated Singapore Airlines flight deals from Singapore to Seoul that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 August 2026.

Direct Singapore Airlines flights from Singapore to SeoulExplore direct Singapore Airlines flight options from Singapore to Seoul based on user searches, and compare prices and availability for your desired travel dates. Data last updated 23 August 2026.

Explore direct Singapore Airlines flight options from Singapore to Seoul based on user searches, and compare prices and availability for your desired travel dates. Data last updated 23 August 2026.

Last-minute Singapore Airlines flights from Singapore to SeoulDiscover last-minute Singapore Airlines flight deals from Singapore to Seoul. Data last updated 23 August 2026 and is based on user searches.

Discover last-minute Singapore Airlines flight deals from Singapore to Seoul. Data last updated 23 August 2026 and is based on user searches.

One-way Singapore Airlines flights to SeoulSearch for one-way Singapore Airlines flight options to Seoul. Find affordable one-way fares based on user searches. Data last updated 23 August 2026.

Search for one-way Singapore Airlines flight options to Seoul. Find affordable one-way fares based on user searches. Data last updated 23 August 2026.

Singapore Airlines flights from Singapore to Seoul in 2026

One-way from

Return from

Popular in

Cheapest in

Average price (all airlines)

Which month is the cheapest to fly Economy class from Singapore to Seoul?

For Economy class flights, the cheapest month to fly this route is August. The most expensive months are December and November.

Weekly Singapore Airlines flight availability from Singapore to Seoul

The most Singapore Airlines flights from SIN to SEL are scheduled on a Saturday (5 on average). You will have fewer Singapore Airlines flight options on Thursday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Seoul by month

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

In terms of precipitation, rainfall in Seoul ranges from 27.0 - 253.0 inches per month. July is typically the wettest month, when rainfall can reach 253.0 mm. December is typically the driest time to visit Seoul when rainfall is around 27.0 mm.

Temperature in Seoul by month

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

When is the best time to book a flight to Seoul with Singapore Airlines?

The best time to book a flight to Seoul with Singapore Airlines is 85 days before departure. On average, fares are higher if you book on the same day as departure.

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.

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.

Fly from Singapore to Seoul on another airline

Consider alternative airlines that service the Seoul area. Flight routes are based on user searches made on Cheapflights and were last updated on 23 August 2026.

Other Singapore Airlines flights from Singapore

Browse through other Singapore Airlines flights departing from Singapore. Flight routes are based on user searches made on Cheapflights and were last updated on 23 August 2026.

Complete your trip

Complete your trip to Seoul by adding a car rental and/or hotel reservation to your travel itinerary.

Other airlines serving Singapore and Seoul

Choose from other airlines serving Singapore and Seoul.

Other popular destinations in Asia

If Seoul is not for you, choose from these other destinations located in Asia. Flight routes are based on user searches made on Cheapflights and were last updated on 23 August 2026.

Popular flights with Singapore Airlines

Browse through some of the most popular routes that Singapore Airlines offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 23 August 2026.

See what others are saying about Singapore Airlines

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Cheapest Singapore Airlines flights from Singapore to Seoul
Explore the most affordable Singapore Airlines flight options available from Singapore to Seoul. Find the lowest fares with prices last updated on 23 August 2026.

Best Singapore Airlines flights from Singapore to Seoul
Discover carefully curated Singapore Airlines flight deals from Singapore to Seoul that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 August 2026.

Direct Singapore Airlines flights from Singapore to Seoul
Explore direct Singapore Airlines flight options from Singapore to Seoul based on user searches, and compare prices and availability for your desired travel dates. Data last updated 23 August 2026.

Last-minute Singapore Airlines flights from Singapore to Seoul
Discover last-minute Singapore Airlines flight deals from Singapore to Seoul. Data last updated 23 August 2026 and is based on user searches.

One-way Singapore Airlines flights to Seoul
Search for one-way Singapore Airlines flight options to Seoul. Find affordable one-way fares based on user searches. Data last updated 23 August 2026.