$122 Cheap Flights from Seoul (ICN) to Guam (GUM)

Popular airlines from Incheon Intl. Airport (ICN) to Barrigada - A.B. Won Pat International Airport (GUM)

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Cheap Flights from Seoul to Guam (ICN-GUM)

Prices were available within the past 7 days and start at $122 for one-way flights and $168 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

T'Way Air
T'Way Air
T'Way Air
T'Way Air
T'Way Air
T'Way Air
Jeju Air
Korean Air
Philippine Airlines
All Nippon Airways

Find the cheapest month to fly from Seoul (ICN) to Barrigada (GUM)

September is typically the cheapest month to fly

From $124 - $464 per traveler.

Graph displaying average flight prices per month

Alternative airports near Barrigada

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from Seoul (ICN) to Guam (GUM)
Origin airport
Incheon Intl.
Destination airport
A.B. Won Pat Intl.
Airlines serving
All Nippon Airways, Jeju Air, Korean Air, Philippine Airlines, T'Way Air
Roundtrip price
$168
Distance
2004 mi
Average flight time
5 hours 31 mins

Seoul to Guam Flights

The cheapest times to fly from Seoul to Guam

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seoul to Guam are during the month of August. You can find some of the cheapest flights from Seoul to Guam with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seoul to Guam

Sunday is one of the best days to book for cheap flights from Seoul to Guam: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seoul to Guam

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seoul to Guam in 2025. You can also book with separate airlines for your outbound and return journeys, from $122 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seoul to Guam flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seoul to Guam airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Incheon Intl. Airport (ICN) to A.B. Won Pat Intl. Airport (GUM) cost?
Snag cheap return flights starting from $220 from Incheon Intl. Airport (ICN) to A.B. Won Pat Intl. Airport (GUM). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Jeju Air flight leaving ICN on August 19 2025 and touching down at GUM. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from ICN to GUM?
The cheapest flights from ICN to GUM are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Incheon Intl. Airport (ICN) to A.B. Won Pat Intl. Airport (GUM)?
Avoid the detours and fly nonstop to A.B. Won Pat Intl. Airport (GUM) from Incheon Intl. Airport (ICN) with 4 carriers, including:

  • Jin Air
  • Jeju Air
  • Korean Air

What is the cheapest airline that flies from ICN to GUM?
With prices starting from $122 for a one-way flight from ICN to GUM, Jeju Air is currently the cheapest airline for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ICN on October 18 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Incheon Intl. Airport (ICN) to A.B. Won Pat Intl. Airport (GUM)?
Daily, an average of 5 nonstop flights take off from Incheon Intl. Airport (ICN) to A.B. Won Pat Intl. Airport (GUM). Choose the departure date that best fits your schedule.
What are the most popular departure times for flights from Incheon Intl. Airport (ICN) to A.B. Won Pat Intl. Airport (GUM)?
Flights between ICN and GUM are their busiest at 8 AM. If you're after a more relaxed experience and potentially cheaper prices, choose a departure that's outside typical rush times.
What day of the week has the most flights from ICN to GUM?
If you jet off on a Sunday, you'll get the greatest range of choices for flights from Incheon Intl. Airport (ICN) to A.B. Won Pat Intl. Airport (GUM).
What is the earliest flight from Incheon Intl. Airport (ICN) to A.B. Won Pat Intl. Airport (GUM)?
Catch the earliest flight at around 8:35AM UTC+9, heading out of Incheon Intl. Airport (ICN). You'll be in the air for approximately 4h 25m, landing at A.B. Won Pat Intl. Airport (GUM) at approximately 2:00PM UTC+10.
How long does it take to fly from Incheon Intl. Airport (ICN) to A.B. Won Pat Intl. Airport (GUM)?
It takes about 4 hours and 20 minutes to cover the 2,000 mi from ICN to GUM.
What airline has the least delays from ICN to GUM?
Delta Air Lines has the best track record for on-time direct flights from Incheon Intl. Airport (ICN) to A.B. Won Pat Intl. Airport (GUM), with an on-time score of 91%. Use the Expedia App to view your journey status before you jet off and get notified of any trip changes.
What is the best time to fly from Incheon Intl. Airport (ICN) to A.B. Won Pat Intl. Airport (GUM)?
To touch down at A.B. Won Pat Intl. Airport (GUM) without delays, choose a flight that leaves from Incheon Intl. Airport (ICN) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Incheon Intl. Airport (ICN) to A.B. Won Pat Intl. Airport (GUM) last-minute?
Last-minute bookings from ICN to GUM are typically more expensive. For the lowest prices, start searching for flights ahead of time. That being said, if you're flexible with your travel dates, you may find a cheap ticket right before you leave.
Is it cheaper to book an ICN to GUM flight and hotel package?
Compared with arranging flights and hotels separately, booking an ICN to GUM flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the stress out of travel planning. Just pick your flights and choose from our extensive range of stays, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Incheon Intl. Airport (ICN) to A.B. Won Pat Intl. Airport (GUM)?
It's usually possible to reschedule or cancel your ICN to GUM flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

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