Seoul

$117+ Cheap flights from Hanoi (HAN) 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
HAN — SEL
Dec 20 — Dec 271
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Cheapflights Tip: The best prices from Hanoi Noibai to Seoul are usually found in September or May, booked 86 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap flight deals from Hanoi to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Hanoi (HAN) 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 November 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$192
(Kiwi.com)

One-way from

$117
(Jeju Air)

Popular in

February

Cheapest in

September

Average price

$283

Good round-trip deal

$356 or less

Good one-way deal

$156 or less
Provider with most accurate pricing for Hanoi Noibai-Seoul (SEL) flight deals.
Provider most trusted by Cheapflights users for Hanoi Noibai-Seoul (SEL) flights.
From Hanoi Noibai to Seoul (SEL)
One-way flight from Hanoi Noibai to Seoul (SEL)
Highest demand for flights based on searches. 18% potential increase in price ($58 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in November 2025
Price to beat on a round-trip flight from Hanoi Noibai to Seoul (SEL).
Price to beat on a one-way flight from Hanoi Noibai to Seoul (SEL).

Find flight deals from Hanoi to Seoul

Cheapest flights from Hanoi to Seoul
Explore the most affordable flight options available from Hanoi to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2025.

This WAYA deal was found by Cheapflights users on 11/20. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/74:25 pmHAN - ICN
1 stop11h 35mVietJet Air
Sat 12/1310:40 pmICN - HAN
1 stop10h 25mVietJet Air
Deal found 11/20$217
This Booking.com deal was found by Cheapflights users on 11/20. 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.
Sat 12/61:40 amHAN - ICN
Nonstop4h 25mMultiple Airlines
Sat 12/131:55 pmICN - HAN
1 stop9h 05mMultiple Airlines
Deal found 11/20$265
This Trip.com deal was found by Cheapflights users on 11/19. 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.
Sat 11/222:50 amHAN - ICN
1 stop14h 35mMultiple Airlines
Sat 12/67:25 amICN - HAN
1 stop9h 20mMultiple Airlines
Deal found 11/19$268
This Kiwi.com deal was found by Cheapflights users on 11/20. 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 12/51:45 amHAN - ICN
Nonstop4h 10mMultiple Airlines
Sat 12/134:40 pmICN - HAN
2 stops11h 05mMultiple Airlines
Deal found 11/20$280
This Booking.com deal was found by Cheapflights users on 11/20. 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.
Sun 11/2310:50 pmHAN - ICN
Nonstop4h 35mMultiple Airlines
Thu 11/277:25 amICN - HAN
1 stop9h 20mMultiple Airlines
Deal found 11/20$282
This VietJet Air deal was found by Cheapflights users on 11/20. 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 VietJet Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/221:45 amHAN - ICN
Nonstop4h 10mVietJet Air
Mon 12/296:25 amICN - HAN
Nonstop5h 05mVietJet Air
Deal found 11/20$286
This WAYA deal was found by Cheapflights users on 11/20. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/61:40 amHAN - GMP
1 stop9h 20mMultiple Airlines
Sat 12/1311:00 amGMP - HAN
1 stop9h 05mMultiple Airlines
Deal found 11/20$644
This WAYA deal was found by Cheapflights users on 11/20. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:40 amHAN - GMP
1 stop9h 20mMultiple Airlines
Sat 12/1311:00 amGMP - HAN
1 stop9h 05mMultiple Airlines
Deal found 11/20$669
This Korean Air deal was found by Cheapflights users on 11/20. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1712:30 amHAN - GMP
1 stop7h 20mKorean Air
Sat 1/105:40 pmGMP - HAN
1 stop21h 25mKorean Air
Deal found 11/20$890
This Japan Airlines deal was found by Cheapflights users on 11/20. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:55 pmHAN - GMP
1 stop16h 25mJapan Airlines
Thu 1/87:40 pmGMP - HAN
1 stop28h 50mJapan Airlines
Deal found 11/20$923
This Juneyao Airlines deal was found by Cheapflights users on 11/20. 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 Juneyao Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/62:50 amHAN - GMP
1 stop9h 10mJuneyao Airlines
Sat 12/138:35 amGMP - HAN
1 stop19h 15mJuneyao Airlines
Deal found 11/20$1,010
This Japan Airlines deal was found by Cheapflights users on 11/20. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:55 pmHAN - GMP
1 stop16h 25mJapan Airlines
Tue 1/67:40 pmGMP - HAN
1 stop28h 50mJapan Airlines
Deal found 11/20$1,329

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hanoi 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 November 20, 2025.
Use the filters below to find and compare flights from Hanoi to Seoul that are best for you.

Fly from

Hanoi

Fly to

Seoul

Route

Depart

Return

Price

HanoiIncheon

HAN - ICN

HANICN

Hanoi Noibai

Sun 3/8

5:55 am-9:30 pm

1 stop13h 35m

Incheon Intl

Mon 3/9

11:05 am-2:10 pm

Nonstop5h 05m

$308

HanoiIncheon

HAN - ICN

HANICN

Hanoi Noibai

Tue 3/3

2:50 am-7:25 pm

1 stop14h 35m

Incheon Intl

Tue 3/10

7:30 am-1:45 am

1 stop20h 15m

$310

HanoiIncheon

HAN - ICN

HANICN

Hanoi Noibai

Sat 3/7

3:50 am-7:25 pm

1 stop13h 35m

Incheon Intl

Wed 3/11

8:35 pm-12:40 pm

1 stop18h 05m

$310

HanoiIncheon

HAN - ICN

HANICN

Hanoi Noibai

Wed 3/4

2:50 am-6:10 am

1 stop25h 20m

Incheon Intl

Sat 3/7

7:30 am-1:45 am

1 stop20h 15m

$310

HanoiIncheon

HAN - ICN

HANICN

Hanoi Noibai

Mon 3/2

2:50 am-7:25 pm

1 stop14h 35m

Incheon Intl

Sat 3/7

7:30 am-1:45 am

1 stop20h 15m

$310

HanoiIncheon

HAN - ICN

HANICN

Hanoi Noibai

Sat 3/7

3:50 am-7:25 pm

1 stop13h 35m

Incheon Intl

Thu 3/12

7:30 am-1:45 am

1 stop20h 15m

$310

HanoiIncheon

HAN - ICN

HANICN

Hanoi Noibai

Wed 3/4

2:50 am-6:10 am

1 stop25h 20m

Incheon Intl

Mon 3/9

7:30 am-1:45 am

1 stop20h 15m

$310

HanoiIncheon

HAN - ICN

HANICN

Hanoi Noibai

Tue 3/3

1:55 pm-6:10 am

1 stop14h 15m

Incheon Intl

Fri 3/13

7:30 am-1:45 am

1 stop20h 15m

$310

HanoiIncheon

HAN - ICN

HANICN

Hanoi Noibai

Thu 3/5

2:50 am-7:25 pm

1 stop14h 35m

Incheon Intl

Thu 3/12

7:30 am-1:45 am

1 stop20h 15m

$310

HanoiIncheon

HAN - ICN

HANICN

Hanoi Noibai

Tue 12/2

2:10 am-1:55 pm

1 stop9h 45m

Incheon Intl

Sat 12/6

2:55 pm-8:40 am

1 stop19h 45m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 38 results
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Compare providers for flights from Hanoi 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 Hanoi to Seoul in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
Trip.comPrice 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 Hanoi-Seoul flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Hanoi-Seoul flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Hanoi-Seoul flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Hanoi-Seoul flights, Cheapflights users trust eDreams the most. eDreams 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 Hanoi-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 Hanoi to Seoul

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

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

Use this chart to determine the optimal time to book a round-trip flight from Hanoi to Seoul. Price data was last updated on November 14, 2025.

The best time to book flights from Hanoi to Seoul is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, July is the cheapest month in which you can book a flight from Hanoi to Seoul (average of $114). Flying from Hanoi to Seoul in March is currently the most expensive (average of $231). 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 HAN to SEL?

Find hourly flight availability from Hanoi 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 November 20, 2025.

It’s typically best to fly out from Hanoi to Seoul in the afternoon. Doing so could potentially save you 90% on the flight price compared to flying in the morning, which is usually more expensive.

Weekly flight availability from Hanoi to Seoul

Explore weekly flight availability from Hanoi 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 November 20, 2025.

The most flights from HAN to SEL are scheduled on a Thursday (19 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (10 on average).

How much does it cost to fly round-trip from Hanoi 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 November 20, 2025.
Peruse reviews from past customers who have flown with Korean Air, Asiana Airlines, and Vietnam Airlines from Hanoi to Seoul to help guide your decision. You can also see how each airline stacks up 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

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from Hanoi 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 Hanoi to Seoul?

    Hanoi Noibai (HAN), located 14.2 mi from the city center, is the airport you fly out of when you book flights from Hanoi to Seoul. 4 airlines have flights from Noibai to Seoul on a regular basis. Booking flights from Hanoi Noibai to Seoul should not be difficult; the airport handles an average of 15 outbound flights to Seoul per day.

  • How popular is this Hanoi to Seoul flight route?

  • How long is the flight from Hanoi to Seoul?

    For as low as $308, VietJet Air can have you in Seoul from Hanoi in 13h 35m. The distance from Hanoi to Seoul is about 1666 mi. This flight may include one or multiple stops.

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

    Currently priced at $163, VietJet Air will fly you from Hanoi to Seoul and back. In addition to VietJet Air, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Asiana Airlines and Vietnam Airlines - these airlines can fly you to your destination from $187 and $274, respectively. Users have found that VietJet Air is 36% cheaper than the other options available to this destination.

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

    The top 3 most reliable airlines when flying from Hanoi to Seoul are Jeju Air (81%), Delta (78%) and WestJet (78%).

  • What are the cheapest flights from Hanoi to Seoul?

    Looking for the cheapest flight from Hanoi to Seoul? While on average our users pay $381, our data indicates the cheapest price to be $116. The most popular route (Hanoi Noibai - Incheon Intl), is priced around $217.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Hanoi 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 Hanoi to Seoul?

    Currently, July is the cheapest month in which you can book a flight from Hanoi to Seoul (average of $114). Flying from Hanoi to Seoul in March is currently the most expensive (average of $231). 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 Hanoi to Seoul

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Hanoi to Seoul

Discover the top 4 airlines that operate flights from Hanoi 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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
VietJet AirCheapest$163Average$239FlexibilityNo cancel feeOn-timeN/A
Asiana AirlinesCheapest$187Average$345FlexibilityNo cancel feeOn-time76%
Vietnam AirlinesCheapest$274Average$514FlexibilityNo cancel feeOn-time81%
Korean AirCheapest$321Average$356FlexibilityNo cancel feeOn-time81%

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