S$ 123 Find Cheap Flights from Seoul Incheon Airport to Singapore – Compare and Save

These are the earliest and latest flight times available from Incheon Intl Airport to Singapore:

• Earliest: departs at 08:50 and lands at 15:27
• Latest: departs at 23:50 and lands at 06:27.

The flight takes about 6h 37m.

Three cabin classes are available on flights from Incheon Intl Airport to Singapore:

• Economy class
• Premium Economy Class
• Business Class

A direct flight from Incheon Intl Airport to Singapore takes 6h 37m, covering 7,438 km.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Return flights from Incheon Intl Airport to Singapore range from S$ 372 to S$ 593, with an average of S$ 469 over the past 12 months. Anything below S$ 372 counts as a good deal.

Last-minute fares on this route (booked within 2 weeks of departure) run 8% above the route average of S$ 469. Book 4 weeks before departure for the lowest fares.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average S$ 303 return via Chongqing Jiangbei Intl (CKG), compared with S$ 474 for direct.

Trinity Airways (Formerly T'way Air) is slightly above the route average for timely arrivals, while Singapore Airlines has a lower on-time arrival rate. On-time arrival rates on Incheon Intl Airport to Singapore flights are:

• Trinity Airways (Formerly T'way Air): 95% on time
• Singapore Airlines: 89% on time
• Korean Air: 88% on time

On average, flights on this route are punctual 87% of the time.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge S$ 19–S$ 128 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

The Airbus A330-300 family is used most often on this route, operated mainly by Trinity Airways (Formerly T'way Air) and Korean Air. Other aircraft seen on the route include Boeing 777-300ER variants.

Afternoon is the busiest departure period on Incheon Intl Airport to Singapore flights, with 45% leaving in that window. Morning departures account for 19%, Evening flights for 18%, and Night flights for 18%.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about S$ 335 to S$ 2,441. That means the highest observed fare was about 7x higher than the lowest one.

Four airlines offer in-flight Wi-Fi on Incheon Intl Airport to Singapore flights:

• Singapore Airlines
• Scoot
• Korean Air
• Asiana Airlines

Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty programme, while others are paid add-ons priced by flight length.

One-way fares from Incheon Intl Airport to Singapore are currently lower than usual. Average one-way flight prices are about S$ 176, which is 25% below the typical average for this route.

Singapore Changi Airport (SIN) hosts 5 major car hire companies, with daily rates starting from around S$ 75 for economy cars. Top options include:
• Avis
• Sixt
• Thrifty
• Hertz
• Europcar

Flights from Incheon Intl Airport to Singapore usually depart from Incheon Intl (ICN) and arrive at Singapore Changi (SIN).

Night flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Incheon Intl Airport to Singapore route, 13% of flights were delayed in the past 3 months, with delays averaging 1 hour 45 minutes.

One-stop flights from Incheon Intl Airport to Singapore most commonly connect through:

• Kuala Lumpur Intl (KUL) – 21% of one-stop connections
• Hanoi Noibai (HAN) – 18% of one-stop connections
• Ho Chi Minh City (SGN) – 17% of one-stop connections
• Taipei City Taiwan Taoyuan Intl (TPE) – 9% of one-stop connections

Kuala Lumpur Intl (KUL) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 16% on the Incheon Intl Airport to Singapore route. Thursday is the cheapest departure day at S$ 429 return on average, while Tuesday is the most expensive at S$ 506, a difference of S$ 77. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

6 airlines operate flights between Incheon Intl Airport and Singapore. The airlines offering direct flights on this route include:

• Singapore Airlines
• Korean Air
• Trinity Airways (Formerly T'way Air)
• Asiana Airlines
• Jeju Air
• Scoot

Flying via Taipei City Taiwan Taoyuan Intl (TPE) gives the shortest average 1-stop total travel time of 8h 20m, compared to 10h 03m via Ho Chi Minh City (SGN) and 10h 09m via Bangkok Suvarnabhumi (BKK).

Singapore is 1 hour behind Incheon Intl Airport (Singapore Time vs Korean Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Singapore are Sentosa, North Bridge Road, and Marina Square. These are among the most viewed places in Singapore on KAYAK.

Among airlines operating Incheon Intl Airport to Singapore flights:

• Singapore Airlines: offers free seat selection
• Trinity Airways (Formerly T'way Air): offers extra legroom; offers free seat selection
• Jeju Air: offers free seat selection
• Korean Air: offers extra legroom; offers free seat selection
• Asiana Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Singapore Airlines: a cabin bag and a checked bag in Economy class
• Trinity Airways (Formerly T'way Air): a cabin bag and a checked bag in Economy class
• Jeju Air: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.