$121 Cheap Flights from Guam (GUM) to Seoul (ICN)

View $121 flight on Fri, Oct 3, 2025Opens in a new window

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

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Cheap Flights from Guam to Seoul (GUM-ICN)

Prices were available within the past 7 days and start at $121 for one-way flights and $253 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

T'Way Air
Wed, Nov 26 - Mon, Dec 15
GUM
Guam
ICN
Seoul
$253 Roundtrip, found 6 days ago
$253
Roundtrip
found 6 days ago
Select T'Way Air flight, departing Wed, Nov 26 from Guam to Seoul, returning Mon, Dec 15, priced at $253 found 6 days ago
Jeju Air
Fri, Oct 3 - Thu, Oct 9
GUM
Guam
ICN
Seoul
$263 Roundtrip, found 15 hours ago
$263
Roundtrip
found 15 hours ago
Select Jeju Air flight, departing Fri, Oct 3 from Guam to Seoul, returning Thu, Oct 9, priced at $263 found 15 hours ago
T'Way Air
Tue, Sep 23 - Wed, Sep 24
GUM
Guam
ICN
Seoul
$273 Roundtrip, found 18 hours ago
$273
Roundtrip
found 18 hours ago
Select T'Way Air flight, departing Tue, Sep 23 from Guam to Seoul, returning Wed, Sep 24, priced at $273 found 18 hours ago
Jeju Air
Sun, Oct 5 - Thu, Oct 9
GUM
Guam
ICN
Seoul
$278 Roundtrip, found 15 hours ago
$278
Roundtrip
found 15 hours ago
Select Jeju Air flight, departing Sun, Oct 5 from Guam to Seoul, returning Thu, Oct 9, priced at $278 found 15 hours ago
T'Way Air
Wed, Sep 24 - Sat, Oct 11
GUM
Guam
ICN
Seoul
$283 Roundtrip, found 6 days ago
$283
Roundtrip
found 6 days ago
Select T'Way Air flight, departing Wed, Sep 24 from Guam to Seoul, returning Sat, Oct 11, priced at $283 found 6 days ago
T'Way Air
Mon, Nov 17 - Sun, Dec 7
GUM
Guam
ICN
Seoul
$293 Roundtrip, found 8 hours ago
$293
Roundtrip
found 8 hours ago
Select T'Way Air flight, departing Mon, Nov 17 from Guam to Seoul, returning Sun, Dec 7, priced at $293 found 8 hours ago
Jeju Air
Sat, Oct 4 - Sun, Oct 12
GUM
Guam
ICN
Seoul
$301 Roundtrip, found 20 hours ago
$301
Roundtrip
found 20 hours ago
Select Jeju Air flight, departing Sat, Oct 4 from Guam to Seoul, returning Sun, Oct 12, priced at $301 found 20 hours ago
T'way Air with baggage
Fri, Dec 5 - Tue, Dec 9
GUM
Guam
ICN
Seoul
$322 Roundtrip, found 3 hours ago
$322
Roundtrip
found 3 hours ago
Select T'way Air with baggage flight, departing Fri, Dec 5 from Guam to Seoul, returning Tue, Dec 9, priced at $322 found 3 hours ago
Korean Air
Fri, Mar 13 - Sat, Mar 21
GUM
Guam
ICN
Seoul
$345 Roundtrip, just found
$345
Roundtrip
just found
Select Korean Air flight, departing Fri, Mar 13 from Guam to Seoul, returning Sat, Mar 21, priced at $345 just found
Philippine Airlines
Fri, Dec 5 - Sun, Dec 14
GUM
Guam
ICN
Seoul
$586 Roundtrip, found 1 day ago
$586
Roundtrip
found 1 day ago
Select Philippine Airlines flight, departing Fri, Dec 5 from Guam to Seoul, returning Sun, Dec 14, priced at $586 found 1 day ago

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

September is typically the cheapest month to fly

From $210 - $659 per traveler.
Flights from Guam (GUM) to Seoul (ICN)
Origin airport
A.B. Won Pat Intl.
Destination airport
Incheon Intl.
Airlines serving
Jeju Air, Korean Air, Philippine Airlines, T'Way Air, T'way Air with baggage
Roundtrip price
$253
Distance
2004 mi
Average flight time
3 hours 42 mins

Guam to Seoul Flights

The cheapest times to fly from Guam to Seoul

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 Guam to Seoul are during the month of November. You can find some of the cheapest flights from Guam to Seoul with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Guam to Seoul

Sunday is one of the best days to book for cheap flights from Guam to Seoul: 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 Guam to Seoul

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 Guam to Seoul in 2025. You can also book with separate airlines for your outbound and return journeys, from $121 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 Guam to Seoul 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 Guam to Seoul 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 A.B. Won Pat Intl. Airport (GUM) to Incheon Intl. Airport (ICN) cost?
Get a cheap one-way flight from $121 or cheap return flight from $253 from A.B. Won Pat Intl. Airport (GUM) to Incheon Intl. Airport (ICN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from A.B. Won Pat Intl. Airport (GUM) to Incheon Intl. Airport (ICN)?
The cheapest month to fly from GUM to ICN is November, when there's less demand. Off-peak months are generally when you'll find cheap fares for travel between these airports.
Which airlines fly direct from A.B. Won Pat Intl. Airport (GUM) to Incheon Intl. Airport (ICN)?
Enjoy an uninterrupted journey to Incheon Intl. Airport (ICN). 4 airlines operate nonstop flights from A.B. Won Pat Intl. Airport (GUM), including:

  • Jin Air
  • Jeju Air
  • Korean Air

What is the cheapest airline that flies from A.B. Won Pat Intl. Airport (GUM) to Incheon Intl. Airport (ICN)?
The cheapest airline to offer flights between A.B. Won Pat Intl. Airport (GUM) and Incheon Intl. Airport (ICN) will change depending on your travel plans. However, you'll generally find that low-cost carriers such as Jin Air and Jeju Air provide some of the most affordable options. Use Expedia's filter tool to compare airlines in one place and find the right GUM to ICN flight that suits your budget.
How many flights per day from A.B. Won Pat Intl. Airport (GUM) to Incheon Intl. Airport (ICN)?
When taking off from A.B. Won Pat Intl. Airport (GUM), you can choose from an average of 5 daily direct flights to Incheon Intl. Airport (ICN).
What are the most popular departure times for flights from A.B. Won Pat Intl. Airport (GUM) to Incheon Intl. Airport (ICN)?
More passengers fly between GUM and ICN at 4 PM than at any other time of day. Rather go when it's quieter? Try choosing a quieter departure window and you could save on your fare as well.
What day of the week has the most flights from GUM to ICN?
If you depart on a Monday, you'll get the largest range of choices for flights from A.B. Won Pat Intl. Airport (GUM) to Incheon Intl. Airport (ICN).
What is the earliest flight from A.B. Won Pat Intl. Airport (GUM) to Incheon Intl. Airport (ICN)?
A.B. Won Pat Intl. Airport (GUM)'s first flight to Incheon Intl. Airport (ICN) leaves at approximately 4:55AM UTC+10. With a total flight time of 5h, you'll arrive at around 8:55AM UTC+9.
How long does it take to fly from A.B. Won Pat Intl. Airport (GUM) to Incheon Intl. Airport (ICN)?
The average flight duration from GUM to ICN is 4 hours and 56 minutes, covering a distance of 2,000 mi.
What airline has the least delays from GUM to ICN?
With 94% of journeys typically arriving as scheduled, Delta Air Lines has the best on-time performance for nonstop flights from A.B. Won Pat Intl. Airport (GUM) to Incheon Intl. Airport (ICN). To check your flight status and receive notifications about any changes, simply head to the Expedia App.
What is the best time to fly from A.B. Won Pat Intl. Airport (GUM) to Incheon Intl. Airport (ICN)?
To avoid potential delays on the A.B. Won Pat Intl. Airport (GUM) to Incheon Intl. Airport (ICN) route, aim to fly before 3 PM. Later departures have a 22% higher chance of being canceled.**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.
What airports do you fly into for Seoul from A.B. Won Pat Intl. Airport (GUM)?
Incheon Intl. Airport (ICN) is the only airport in Seoul with direct flights from A.B. Won Pat Intl. Airport (GUM). Explore your options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from A.B. Won Pat Intl. Airport (GUM) to Incheon Intl. Airport (ICN) last-minute?
Booking your plane ticket from GUM to ICN right before your trip is typically more expensive. But if there's some wiggle room with your schedule, you could snag a cheap last-minute fare.
Is it cheaper to book a GUM to ICN flight and hotel package?
Securing a GUM to ICN flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our extensive range of hotels and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from A.B. Won Pat Intl. Airport (GUM) to Incheon Intl. Airport (ICN)?
If you reserved your GUM to ICN flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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*Available to One Key members.