Seoul

$48+ Cheap flights from Seoul

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — JFK
Oct 16 — Oct 231
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What to know about flights from Seoul

Discover essential information about flights departing from Seoul, including flight schedules, destinations, airlines operating at the Seoul airport, and any specific guidelines or requirements for travelers. Please note that the information is based on the most recent updates available. Data last updated September 16, 2025.

Cheapest airline

Jeju Air

Good round-trip deal

$54 or less

Good one-way deal

$24 or less
On average, Jeju Air currently has the cheapest one-way flight from Seoul (avg. price of $80).
Price to beat on a round-trip flight from Seoul.
Price to beat on a one-way flight from Seoul.

Find flights from Seoul

Cheapest flights from Seoul
Explore the most affordable flight options available from Seoul. Find the lowest fares based on data from user searches, with prices last updated on September 16, 2025.

Sun 9/218:05 pmICN - BKK
Nonstop5h 50mJeju Air
Wed 9/241:00 amBKK - ICN
Nonstop5h 40mJeju Air
Deal found 9/15$107
Sat 9/208:05 pmICN - BKK
Nonstop5h 50mJeju Air
Thu 9/251:00 amBKK - ICN
Nonstop5h 40mJeju Air
Deal found 9/15$113
Sun 9/218:05 pmICN - BKK
Nonstop5h 50mJeju Air
Sun 9/281:00 amBKK - ICN
Nonstop5h 40mJeju Air
Deal found 9/16$131
Sun 9/218:05 pmICN - BKK
Nonstop5h 50mJeju Air
Thu 9/251:00 amBKK - ICN
Nonstop5h 40mJeju Air
Deal found 9/15$136
Fri 10/107:55 pmICN - BKK
Nonstop5h 50mJin Air
Thu 10/2312:55 amBKK - ICN
Nonstop5h 30mJin Air
Deal found 9/14$147
Thu 10/165:30 pmICN - BKK
Nonstop5h 50mEastar Jet
Thu 10/2310:20 pmBKK - ICN
Nonstop5h 40mEastar Jet
Deal found 9/16$149
Thu 10/166:00 pmICN - BKK
Nonstop6h 05mT'way Air
Sat 10/1812:05 amBKK - ICN
Nonstop5h 35mT'way Air
Deal found 9/16$152
Tue 10/216:00 pmICN - BKK
Nonstop6h 05mT'way Air
Thu 10/2312:05 amBKK - ICN
Nonstop5h 35mT'way Air
Deal found 9/14$153
Mon 9/224:50 pmICN - BKK
Nonstop6h 20mAIR PREMIA
Sat 9/2710:45 pmBKK - ICN
Nonstop5h 40mAIR PREMIA
Deal found 9/14$154
Wed 9/245:15 pmICN - BKK
Nonstop6h 05mAir Busan
Mon 9/2910:20 pmBKK - ICN
Nonstop5h 45mAir Busan
Deal found 9/16$155
Wed 10/157:55 pmICN - BKK
Nonstop5h 50mJin Air
Thu 10/2312:55 amBKK - ICN
Nonstop5h 30mJin Air
Deal found 9/13$156
Thu 9/258:05 pmICN - BKK
Nonstop5h 50mJeju Air
Sat 9/271:00 amBKK - ICN
Nonstop5h 40mJeju Air
Deal found 9/15$157

Find flights from Seoul within your budget

 
Find flights departing from Seoul that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on September 16, 2025. In the last 7 days, Cheapflights users made a total of 2,558,603 searches

Fly to

John F Kennedy Intl

Route

Depart

Return

Price

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 9/21

8:05 pm-11:55 pm

Nonstop5h 50m

Bangkok Suvarnabhumi

Thu 9/25

1:00 am-8:40 am

Nonstop5h 40m

$136

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 10/13

8:05 pm-11:55 pm

Nonstop5h 50m

Bangkok Suvarnabhumi

Sat 10/18

1:00 am-8:40 am

Nonstop5h 40m

$160

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 10/16

8:05 pm-11:55 pm

Nonstop5h 50m

Bangkok Suvarnabhumi

Mon 10/20

1:00 am-8:40 am

Nonstop5h 40m

$160

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 10/9

4:50 pm-9:10 pm

Nonstop6h 20m

Bangkok Suvarnabhumi

Sun 10/19

10:45 pm-6:25 am

Nonstop5h 40m

$173

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 10/9

7:55 pm-11:45 pm

Nonstop5h 50m

Bangkok Suvarnabhumi

Sat 10/18

12:55 am-8:25 am

Nonstop5h 30m

$173

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 10/16

8:05 pm-11:55 pm

Nonstop5h 50m

Bangkok Suvarnabhumi

Wed 10/22

1:00 am-8:40 am

Nonstop5h 40m

$206

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 10/13

4:50 pm-9:10 pm

Nonstop6h 20m

Bangkok Suvarnabhumi

Sat 10/18

10:45 pm-6:25 am

Nonstop5h 40m

$216

IncheonTokyo

ICN - HND

ICNHND

Incheon Intl

Wed 10/15

9:10 pm-11:30 pm

Nonstop2h 20m

Tokyo Haneda

Tue 10/21

1:30 am-4:10 am

Nonstop2h 40m

$239

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 10/25

4:50 pm-9:10 pm

Nonstop6h 20m

Bangkok Suvarnabhumi

Sun 11/9

10:55 pm-6:35 am

Nonstop5h 40m

$246

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 9/26

10:45 pm-12:25 pm

1 stop15h 40m

Bangkok Suvarnabhumi

Sat 10/4

1:45 am-9:20 am

Nonstop5h 35m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
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Best time to book a flight from Seoul

Have a flexible travel schedule? Discover the best time to fly from Seoul 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.

Travel insights for flights from Seoul

Get recent, data-driven insights about flights from Seoul including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Seoul?

Use this chart to determine the optimal time to book a round-trip flight from Seoul to John F Kennedy Intl. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Seoul, you should look to book at least 22 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, March is the cheapest month in which you can book a flight from Seoul (average of $484). Flying from Seoul in August will prove the most costly (average of $914). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Airline reviews for flights from Seoul

Read reviews and ratings of airlines operating flights from Seoul. Gain insights into the quality of service, in-flight amenities, customer experiences, and overall satisfaction to choose the best airline for your Seoul travel. Please note that the reviews are sourced from user searches and were last updated on September 16, 2025. In the last 7 days, Cheapflights users made a total of 2,558,603 searches.
Read reviews from past customers who have flown Korean Air, Asiana Airlines, and Delta from Seoul. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
8.0
Very good

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

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Related info for your journey

Access useful and relevant information related to your journey from Seoul. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated September 16, 2025.
  • What are the most popular destinations to fly to from Seoul?

    This month, the top selected destinations from Seoul are Fukuoka, Da Nang, Bangkok Suvarnabhumi Airport. Throughout the year, Fukuoka, Da Nang, Bangkok Suvarnabhumi Airport are some of the top choices made by users flying from Seoul.

  • What is the cheapest airport to fly out of Seoul?

    Seoul Gimpo Intl airport offers the cheapest routes to Honolulu, from $41; whereas Incheon Intl airport is typically cheaper if you're flying to Atlanta, from $120. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

  • What are the cheapest airlines flying from Seoul to anywhere?

    Over the past few days, we've found that T'way Air, Air Seoul, and Eastar Jet have the cheapest prices from Seoul. T'way Air flights from Seoul to Barcelona-El Prat ($24), Air Seoul flights from Seoul to Jeju City ($24), and Eastar Jet flights from Seoul to Bangkok Suvarnabhumi ($27).

  • What is the cheapest month to fly from Seoul?

    March is currently the cheapest month to fly from Seoul. At this moment in time August is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

  • Where are the cheapest places to fly to from Seoul?

    Check out the cheapest flights from Seoul to embark to:
    Fly from Seoul to Jeju City from $41 round trip
    Fly from Seoul to Shanghai from $132 round trip
    Fly from Seoul to Tokyo from $150 round trip
    Fly from Seoul to Hanoi from $181 round trip
    Fly from Seoul to Bangkok from $188 round trip

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