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$85+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
GUM — SEL
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
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Cheapflights Tip: The best prices from Tamuning Guam Intl to Seoul are usually found in September or October, booked 77 days in advance, depart on a Thursday or Friday and return on a Thursday

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 October 14, 2025.

This Trip.com deal was found by Cheapflights users on 10/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2012:20 amGUM - ICN
Nonstop4h 40mJin Air
Fri 10/245:35 pmICN - GUM
Nonstop4h 35mJin Air
Deal found 10/14$164
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 11/282:20 amGUM - ICN
Nonstop5h 05mMultiple Airlines
Tue 12/25:35 pmICN - GUM
Nonstop4h 25mMultiple Airlines
Deal found 10/13$165
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 10/192:25 amGUM - ICN
Nonstop4h 40mJin Air
Sat 10/257:35 pmICN - GUM
Nonstop4h 40mJin Air
Deal found 10/13$166
This CheapOair deal was found by Cheapflights users on 10/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/182:20 amGUM - ICN
Nonstop5h 05mT'way Air
Wed 11/268:00 pmICN - GUM
Nonstop4h 20mT'way Air
Deal found 10/14$167
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
Wed 10/152:25 amGUM - ICN
Nonstop4h 40mMultiple Airlines
Sun 10/199:00 amICN - GUM
Nonstop4h 30mMultiple Airlines
Deal found 10/12$168
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 11/62:20 amGUM - ICN
Nonstop5h 00mJin Air
Sun 11/97:55 pmICN - GUM
Nonstop4h 25mJin Air
Deal found 10/14$169
This Kiwi.com deal was found by Cheapflights users on 10/14. 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.
Tue 12/92:20 amGUM - ICN
Nonstop5h 00mMultiple Airlines
Sun 12/148:00 pmICN - GUM
Nonstop4h 20mMultiple Airlines
Deal found 10/14$170
This Trip.com deal was found by Cheapflights users on 10/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/192:25 amGUM - ICN
Nonstop4h 40mJin Air
Tue 10/285:35 pmICN - GUM
Nonstop4h 25mJin Air
Deal found 10/12$171
This Trip.com deal was found by Cheapflights users on 10/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/142:25 amGUM - ICN
Nonstop4h 40mJin Air
Tue 10/215:35 pmICN - GUM
Nonstop4h 35mJin Air
Deal found 10/14$172
This Booking.com deal was found by Cheapflights users on 10/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/162:25 amGUM - ICN
Nonstop4h 40mJin Air
Mon 10/275:35 pmICN - GUM
Nonstop4h 25mJin Air
Deal found 10/13$173
This Booking.com deal was found by Cheapflights users on 10/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1412:20 amGUM - ICN
Nonstop4h 40mJin Air
Sat 10/187:35 pmICN - GUM
Nonstop4h 40mJin Air
Deal found 10/13$174
This Kiwi.com deal was found by Cheapflights users on 10/13. 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.
Mon 11/312:20 amGUM - ICN
Nonstop4h 55mJin Air
Tue 11/115:35 pmICN - GUM
Nonstop4h 25mJin Air
Deal found 10/13$177

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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$165
(Kiwi.com)

One-way from

$85
(Jin Air)

Popular in

January

Cheapest in

September

Average price

$200

Good round-trip deal

$178 or less

Good one-way deal

$98 or less
Provider with most accurate pricing for Tamuning Guam Intl-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Tamuning Guam Intl-Seoul (SEL) flights.
Search Deals
From Tamuning Guam Intl to Seoul (SEL)
Search Deals
One-way flight from Tamuning Guam Intl to Seoul (SEL)
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Tamuning Guam Intl to Seoul (SEL).
Search Deals
Price to beat on a one-way flight from Tamuning Guam Intl to Seoul (SEL).
Search Deals

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 October 14, 2025.
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

Tue 12/9

2:20 am-6:20 am

Nonstop5h 00m

Incheon Intl

Sun 12/14

8:00 pm-1:20 am

Nonstop4h 20m

$170

TamuningIncheon

GUM - ICN

GUMICN

Tamuning Guam Intl

Sat 10/25

2:25 am-6:05 am

Nonstop4h 40m

Incheon Intl

Sun 11/2

7:30 pm-1:00 am

Nonstop4h 30m

$186

TamuningIncheon

GUM - ICN

GUMICN

Tamuning Guam Intl

Fri 10/31

2:20 am-6:20 am

Nonstop5h 00m

Incheon Intl

Tue 11/4

7:55 pm-1:20 am

Nonstop4h 25m

$193

TamuningIncheon

GUM - ICN

GUMICN

Tamuning Guam Intl

Sat 11/29

2:20 am-6:25 am

Nonstop5h 05m

Incheon Intl

Sun 12/7

8:00 pm-1:20 am

Nonstop4h 20m

$197

TamuningIncheon

GUM - ICN

GUMICN

Tamuning Guam Intl

Sun 10/26

4:10 pm-8:05 pm

Nonstop4h 55m

Incheon Intl

Sat 11/1

7:55 pm-1:20 am

Nonstop4h 25m

$238

TamuningIncheon

GUM - ICN

GUMICN

Tamuning Guam Intl

Sat 11/8

12:20 am-4:15 am

Nonstop4h 55m

Incheon Intl

Tue 11/11

5:35 pm-11:00 pm

Nonstop4h 25m

$246

TamuningIncheon

GUM - ICN

GUMICN

Tamuning Guam Intl

Fri 10/31

4:10 pm-8:05 pm

Nonstop4h 55m

Incheon Intl

Mon 11/3

7:55 pm-1:20 am

Nonstop4h 25m

$246

TamuningIncheon

GUM - ICN

GUMICN

Tamuning Guam Intl

Thu 11/27

4:10 pm-8:05 pm

Nonstop4h 55m

Incheon Intl

Tue 12/2

5:35 pm-11:00 pm

Nonstop4h 25m

$248

TamuningIncheon

GUM - ICN

GUMICN

Tamuning Guam Intl

Thu 11/27

4:10 pm-8:05 pm

Nonstop4h 55m

Incheon Intl

Mon 12/1

7:55 pm-1:20 am

Nonstop4h 25m

$256

TamuningIncheon

GUM - ICN

GUMICN

Tamuning Guam Intl

Thu 11/20

4:10 pm-8:05 pm

Nonstop4h 55m

Incheon Intl

Wed 11/26

7:55 pm-1:20 am

Nonstop4h 25m

$261

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/13

Showing 1-10 of 20 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 October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
MytripPrice Accuracy2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Tamuning-Seoul flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 October 10, 2025.

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 $93). Flying from Tamuning to Seoul in January is currently the most expensive (average of $208). 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 October 14, 2025.

A simple way to save on the total cost of your ticket is to fly from Tamuning to Seoul in the morning. If you’re flexible enough to do this you can expect to save up to 59% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Tamuning to Seoul?

Use this chart to determine the cheapest time to fly round-trip from Tamuning to Seoul. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Tamuning to Seoul flight should consider departing on Thursday mornings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 14, 2025.

The most flights from GUM to SEL are scheduled on a Monday (9 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (8 on average).

How much does it cost to fly round-trip from Tamuning to Seoul?

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 October 14, 2025.
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
8.7
Very good
20 reviews

Entertainment

7.9

Overall

8.7

Food

7.9

Comfort

8.3

Crew

9.1

Boarding

8.8
Jin Air
8.7
Very good
20 reviews
Jin Air
8.7
Very good
20 reviews

Entertainment

7.9

Overall

8.7

Food

7.9

Comfort

8.3

Crew

9.1

Boarding

8.8
Korean Air
8.4
Very good
1,149 reviews
Jin Air
8.7
Very good
20 reviews

Entertainment

7.9

Overall

8.7

Food

7.9

Comfort

8.3

Crew

9.1

Boarding

8.8
Jeju Air
7.7
Good
34 reviews
Jin Air
8.7
Very good
20 reviews

Entertainment

7.9

Overall

8.7

Food

7.9

Comfort

8.3

Crew

9.1

Boarding

8.8

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. 4 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 8 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 5h. 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 Jin Air is currently your cheapest option to Seoul, with prices starting at $129. Additional round-trip tickets that might be worth considering are offered by Jeju Air and T'way Air, with the lowest prices starting at $142 and $150, respectively. These flights start at 51% lower than the current average price 3 months from now.

  • 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 (95%), Jeju Air (92%), Korean Air( 87%).

  • What are the cheapest flights from Tamuning to Seoul?

    While on average a flight from Tamuning to Seoul is generally $152, 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 $93). Flying from Tamuning to Seoul in January is currently the most expensive (average of $208). 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

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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 4 airlines flying from Tamuning to Seoul

Discover the top 4 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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Jin AirCheapest$129Average$199FlexibilityNo cancel feeOn-time78%
Jeju AirCheapest$142Average$275FlexibilityNo cancel feeOn-timeN/A
T'way AirCheapest$150Average$281FlexibilityNo cancel feeOn-time88%
Korean AirCheapest$384Average$480FlexibilityNo cancel feeOn-time81%

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