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$102+ Cheap flights from Tamuning (GUM) to Seoul (SEL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
GUM — SEL
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
1 adult, Economy
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Cheapflights Tip: The best prices from Tamuning Guam Intl to Seoul are usually found in September or November, booked 77 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap flight deals from Tamuning to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Tamuning (GUM) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 14, 2026.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$172
(Kiwi.com)

One-way from

$102
(Mytrip)

Popular in

January

Cheapest in

September

Average price

$342

Good round-trip deal

$190 or less

Good one-way deal

$112 or less
Provider with most accurate pricing for Tamuning Guam Intl-Seoul (SEL) flight deals.
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Provider most trusted by Cheapflights users for Tamuning Guam Intl-Seoul (SEL) flights.
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From Tamuning Guam Intl to Seoul (SEL)
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One-way flight from Tamuning Guam Intl to Seoul (SEL)
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Highest demand for flights based on searches. 14% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Tamuning Guam Intl to Seoul (SEL).
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Price to beat on a one-way flight from Tamuning Guam Intl to Seoul (SEL).
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Find flight deals from Tamuning to Seoul

Cheapest flights from Tamuning to Seoul
Explore the most affordable flight options available from Tamuning to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 14, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/142:40 am
GUM
-
ICN
Nonstop5h 00m
Jin Air
Sat 1/177:45 pm
ICN
-
GUM
Nonstop4h 25m
Jin Air
Deal found 1/11$170
This Kiwi.com deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/122:40 am
GUM
-
ICN
Nonstop5h 00m
Jin Air
Mon 3/237:45 pm
ICN
-
GUM
Nonstop4h 25m
Jin Air
Deal found 1/12$172
This Kiwi.com deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/222:40 am
GUM
-
ICN
Nonstop5h 00m
Jin Air
Fri 3/277:45 pm
ICN
-
GUM
Nonstop4h 25m
Jin Air
Deal found 1/13$175
This Kiwi.com deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/202:40 am
GUM
-
ICN
Nonstop5h 00m
Jin Air
Mon 3/237:45 pm
ICN
-
GUM
Nonstop4h 25m
Jin Air
Deal found 1/13$180
This Kiwi.com deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/142:40 am
GUM
-
ICN
Nonstop5h 00m
Jin Air
Wed 1/217:45 pm
ICN
-
GUM
Nonstop4h 25m
Jin Air
Deal found 1/11$184
This Kiwi.com deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/122:40 am
GUM
-
ICN
Nonstop5h 00m
Jin Air
Mon 1/197:45 pm
ICN
-
GUM
Nonstop4h 25m
Jin Air
Deal found 1/11$185
This Kiwi.com deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/122:40 am
GUM
-
ICN
Nonstop5h 00m
Jin Air
Sun 1/187:45 pm
ICN
-
GUM
Nonstop4h 25m
Jin Air
Deal found 1/11$186
This Kiwi.com deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/73:40 am
GUM
-
ICN
Nonstop4h 00m
Jin Air
Tue 3/177:45 pm
ICN
-
GUM
Nonstop4h 25m
Jin Air
Deal found 1/12$192
This Booking.com deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/192:40 am
GUM
-
ICN
Nonstop5h 00m
Jin Air
Sun 3/227:45 pm
ICN
-
GUM
Nonstop4h 25m
Jin Air
Deal found 1/12$193
This Kiwi.com deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/52:40 am
GUM
-
ICN
Nonstop5h 00m
Jin Air
Sun 3/87:45 pm
ICN
-
GUM
Nonstop4h 25m
Jin Air
Deal found 1/11$194
This Kiwi.com deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/62:40 am
GUM
-
ICN
Nonstop5h 00m
Jin Air
Fri 3/137:45 pm
ICN
-
GUM
Nonstop4h 25m
Jin Air
Deal found 1/13$195
This FlightHub deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/142:40 am
GUM
-
ICN
Nonstop5h 00m
Jin Air
Sun 1/187:45 pm
ICN
-
GUM
Nonstop4h 25m
Jin Air
Deal found 1/12$198

Cheapflights Fare Finder

 
Customize your flight search to find flights from Tamuning to Seoul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 14, 2026.
Use the filters below to find and compare flights from Tamuning to Seoul that are best for you.

Fly from

Tamuning

Fly to

Seoul

Route

Depart

Return

Price

TamuningIncheon

GUM - ICN

GUMICN

Tamuning Guam Intl

Sat 3/14

2:40 am-6:40 am

Nonstop5h 00m

Incheon Intl

Sat 3/21

7:45 pm-1:10 am

Nonstop4h 25m

$263

TamuningIncheon

GUM - ICN

GUMICN

Tamuning Guam Intl

Tue 3/3

2:40 am-6:40 am

Nonstop5h 00m

Incheon Intl

Sat 3/7

7:45 pm-1:10 am

Nonstop4h 25m

$263

TamuningIncheon

GUM - ICN

GUMICN

Tamuning Guam Intl

Wed 1/28

2:40 am-6:40 am

Nonstop5h 00m

Incheon Intl

Sun 2/1

7:45 pm-1:10 am

Nonstop4h 25m

$268

TamuningIncheon

GUM - ICN

GUMICN

Tamuning Guam Intl

Tue 3/31

2:00 am-5:50 am

Nonstop4h 50m

Incheon Intl

Mon 4/6

7:25 pm-1:00 am

Nonstop4h 35m

$270

TamuningIncheon

GUM - ICN

GUMICN

Tamuning Guam Intl

Fri 4/3

2:00 am-5:50 am

Nonstop4h 50m

Incheon Intl

Fri 4/10

7:25 pm-1:00 am

Nonstop4h 35m

$283

TamuningIncheon

GUM - ICN

GUMICN

Tamuning Guam Intl

Mon 4/6

2:00 am-5:50 am

Nonstop4h 50m

Incheon Intl

Fri 4/10

7:25 pm-1:00 am

Nonstop4h 35m

$284

TamuningIncheon

GUM - ICN

GUMICN

Tamuning Guam Intl

Fri 2/27

2:40 am-6:40 am

Nonstop5h 00m

Incheon Intl

Mon 3/2

7:45 pm-1:10 am

Nonstop4h 25m

$288

TamuningIncheon

GUM - ICN

GUMICN

Tamuning Guam Intl

Wed 3/25

2:40 am-6:40 am

Nonstop5h 00m

Incheon Intl

Sun 4/5

6:15 pm-11:45 pm

Nonstop4h 30m

$303

TamuningIncheon

GUM - ICN

GUMICN

Tamuning Guam Intl

Thu 2/26

2:40 am-6:40 am

Nonstop5h 00m

Incheon Intl

Mon 3/2

7:45 pm-1:10 am

Nonstop4h 25m

$313

TamuningIncheon

GUM - ICN

GUMICN

Tamuning Guam Intl

Thu 3/26

2:40 am-6:40 am

Nonstop5h 00m

Incheon Intl

Sat 4/4

6:15 pm-11:45 pm

Nonstop4h 30m

$318

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

Showing 1-10 of 23 results
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Compare providers for flights from Tamuning to Seoul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Tamuning to Seoul in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
Trip.comPrice Accuracy2 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Tamuning-Seoul flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Tamuning-Seoul flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Tamuning-Seoul flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Tamuning-Seoul flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Tamuning-Seoul flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Tamuning to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Tamuning with our price prediction graph.
Estimated round-trip 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.

Cheapflights Insights

Everything you need to know about your flight from Tamuning to Seoul

How far ahead should I book a flight from Tamuning to Seoul?

Use this chart to determine the optimal time to book a round-trip flight from Tamuning to Seoul. Price data was last updated on January 9, 2026.

The price you pay for your flight from Tamuning to Seoul may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Tamuning to Seoul?

Currently, July is the cheapest month in which you can book a flight from Tamuning to Seoul (average of $92). Flying from Tamuning to Seoul in January is currently the most expensive (average of $168). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GUM to SEL?

Find hourly flight availability from Tamuning to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 14, 2026.

A simple way to save on the total cost of your ticket is to fly from Tamuning to Seoul in the evening. If you’re flexible enough to do this you can expect to save up to 36% on your trip compared to booking a flight at noon.

Weekly flight availability from Tamuning to Seoul

Explore weekly flight availability from Tamuning to Seoul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 14, 2026.

The most flights from GUM to SEL are scheduled on a Monday (6 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (4 on average).

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seoul. Reviews last updated January 14, 2026.
See what other customers who have flown with Jin Air, Korean Air, and Jeju Air from Tamuning to Seoul have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Jin Air
8.6
Very good
22 reviews

Food

7.7

Comfort

8.0

Entertainment

7.5

Boarding

8.9

Overall

8.6

Crew

9.1
Jin Air
8.6
Very good
22 reviews
Jin Air
8.6
Very good
22 reviews

Food

7.7

Comfort

8.0

Entertainment

7.5

Boarding

8.9

Overall

8.6

Crew

9.1
Korean Air
8.4
Very good
1,187 reviews
Jin Air
8.6
Very good
22 reviews

Food

7.7

Comfort

8.0

Entertainment

7.5

Boarding

8.9

Overall

8.6

Crew

9.1
Jeju Air
7.6
Good
36 reviews
Jin Air
8.6
Very good
22 reviews

Food

7.7

Comfort

8.0

Entertainment

7.5

Boarding

8.9

Overall

8.6

Crew

9.1

Related info for your journey

Find useful and relevant information for your journey from Tamuning to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Tamuning to Seoul?

    Tamuning Guam Intl (GUM), located 1.1 mi from the city center, is the airport you fly out of when you book flights from Tamuning to Seoul. 5 airlines have flights from Guam Intl to Seoul on a regular basis. Booking flights from Tamuning Guam Intl to Seoul should not be difficult; the airport handles an average of 5 outbound flights to Seoul per day.

  • How popular is this Tamuning to Seoul flight route?

    Flights from Tamuning Guam Intl to Seoul have been viewed 90 times in the past calendar month.

  • How long is the flight from Tamuning to Seoul?

    Departing from Tamuning to Seoul will take you 4h 50m. Airlines will cover a distance of 2003 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from Tamuning to Seoul round-trip?

    Flying on Jeju Air is currently your cheapest option to Seoul, with prices starting at $105. Additional round-trip tickets that might be worth considering are offered by Jin Air and T'way Air, with the lowest prices starting at $107 and $120, respectively. These flights start at 56% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Tamuning to Seoul one-way?

    The cheapest airline one-way is Air Seoul, with whom users have recently found tickets for as low as $74. However, be on the lookout for offers from Jin Air and Jeju Air, as they are both options that can get you from Tamuning to Seoul for a low price.

  • What are the most reliable airlines from Tamuning to Seoul?

    Before booking your flight to Seoul from Tamuning, check out the most reliable airlines to get you to your destination on time: Delta (98%), Korean Air (91%), Jin Air( 68%).

  • What are the cheapest flights from Tamuning to Seoul?

    While on average a flight from Tamuning to Seoul is generally $206, our data shows the cheapest flight currently is $85. When looking at the most popular route, (Tamuning Guam Intl - Incheon Intl), you can expect to pay $375 for that flight.

  • Can I find deals for flights from Tamuning to Seoul that include hotel bookings?

    Yes. In addition to deals on Tamuning to Seoul flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Tamuning to Seoul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Tamuning to Seoul.

  • Can I find deals for business class flights from Tamuning to Seoul?

    Yes. Cheapflights offers flight deals from Tamuning to Seoul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Tamuning to Seoul?

    Currently, July is the cheapest month in which you can book a flight from Tamuning to Seoul (average of $92). Flying from Tamuning to Seoul in January is currently the most expensive (average of $168). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Tamuning to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
Tamuning to Incheon Intl flights

Top 5 airlines flying from Tamuning to Seoul

Discover the top 5 airlines that operate flights from Tamuning to Seoul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
Jeju AirCheapest$121Average$266FlexibilityNo cancel feeOn-timeN/A
Jin AirCheapest$140Average$197FlexibilityNo cancel feeOn-time78%
Air SeoulCheapest$144Average$280FlexibilityNo cancel feeOn-timeN/A
T'way AirCheapest$152Average$249FlexibilityNo cancel feeOn-time88%
Korean AirCheapest$304Average$475FlexibilityNo cancel feeOn-time81%

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