$292 Cheap Flights from Seoul (GMP) to Singapore (SIN)

You can find cheap one-way flights from $292 and cheap return flights $422 GMP to SIN with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when GMP to SIN ticket fares go up or down.

The cheapest month to fly from GMP to SIN is September when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.

Enter GMP to SIN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

Asiana Airlines, Korean Air and Japan Airlines are just some of the carriers that fly from Seoul (GMP) to Singapore (SIN). Use Expedia's flight search tool to compare airlines on this route and find our cheapest option for your trip. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

*Prices based on flights available on Expedia in the last year.

To find a cheap flight from Seoul (GMP-Gimpo Intl.) to Singapore (SIN-Changi), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

The earliest flight from Gimpo International Airport (GMP) to Changi Airport (SIN) typically departs at around 8:40 AM, operated by Asiana Airlines and Singapore Airlines. This seasonal service is available in September, providing a good option for those planning a trip to Singapore. An early departure allows you to maximize your time in this vibrant city. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

a Sunday typically has the most flights from Gimpo Intl. (GMP) to Changi (SIN), with approximately 6 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include China Eastern Airlines, Asiana Airlines, and Air China.

The most popular departure times for flights from Seoul (GMP-Gimpo Intl.) to Singapore (SIN-Changi) are from 12pm to 3pm. About 74% of passengers prefer this time window. Many major carriers, including China Eastern Airlines, China Airlines, and China Southern Airlines, offer flights during this window. This timing works well because it allows travelers to enjoy a leisurely morning before heading to the airport.

Flying from GMP to SIN with a connection usually takes about 12 hours, traveling roughly 2,891 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

You can fly business class between GMP and SIN. Airlines that offer business class service on this route include:

• Korean Air
• China Eastern Airlines
• Air China
• Asiana Airlines

It's easy to earn miles on a Seoul (GMP-Gimpo Intl.) to Singapore (SIN-Changi) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

From Gimpo Intl. (GMP), you can fly into Changi (SIN) to reach Singapore. Some flights may connect through major hubs like Hongqiao Intl. (SHA), Capital Intl. (PEK) before reaching Singapore. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Seoul (GMP-Gimpo Intl.) to Singapore (SIN-Changi) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Seoul (GMP-Gimpo Intl.) to Singapore (SIN-Changi) Singapore Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Seoul (GMP-Gimpo Intl.) to Singapore (SIN-Changi) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.