Hanoi

$110+ Cheap flights from Seoul (SEL) to Hanoi (HAN)

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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — HAN
Feb 6 — Feb 131
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Cheapflights Tip: The best prices from Seoul to Hanoi Noibai are usually found in May or April, booked 25 days in advance, depart on a Friday or Tuesday and return on a Friday

Cheap flight deals from Seoul to Hanoi

Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) to Hanoi (HAN). 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 7, 2026.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$220
(Mytrip)

One-way from

$110
(Mytrip)

Popular in

February

Cheapest in

May

Average price

$307

Good round-trip deal

$286 or less

Good one-way deal

$146 or less
Provider with most accurate pricing for Seoul (SEL)-Hanoi Noibai flight deals.
Provider most trusted by Cheapflights users for Seoul (SEL)-Hanoi Noibai flights.
From Seoul (SEL) to Hanoi Noibai
One-way flight from Seoul (SEL) to Hanoi Noibai
Highest demand for flights based on searches. 13% potential increase in price ($43 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from Seoul (SEL) to Hanoi Noibai.
Price to beat on a one-way flight from Seoul (SEL) to Hanoi Noibai.

Find flight deals from Seoul to Hanoi

Cheapest flights from Seoul to Hanoi
Explore the most affordable flight options available from Seoul to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 7, 2026.

This Mytrip deal was found by Cheapflights users on 1/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/204:10 pmICN - HAN
1 stop11h 35mChina Eastern
Fri 1/238:40 pmHAN - ICN
2 stops14h 35mChina Eastern
Deal found 1/6$220
This oojo deal was found by Cheapflights users on 1/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/1410:05 pmICN - HAN
1 stop29h 15mShandong Airlines
Sat 1/172:20 amHAN - ICN
1 stop16h 45mShandong Airlines
Deal found 1/6$222
This Shandong Airlines deal was found by Cheapflights users on 1/7. 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 Shandong Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/218:45 amICN - HAN
1 stop18h 35mShandong Airlines
Sat 1/242:20 amHAN - ICN
1 stop18h 30mShandong Airlines
Deal found 1/7$223
This Vietnam Airlines deal was found by Cheapflights users on 1/7. 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 Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:50 amICN - HAN
1 stop9h 55mVietnam Airlines
Fri 5/1511:45 pmHAN - ICN
Nonstop4h 05mVietnam Airlines
Deal found 1/7$224
This Mytrip deal was found by Cheapflights users on 1/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/210:40 pmICN - HAN
1 stop10h 25mVietJet Air
Thu 2/58:05 pmHAN - ICN
1 stop11h 45mVietJet Air
Deal found 1/5$226
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 1/167:20 amGMP - HAN
1 stop12h 00mMultiple Airlines
Mon 1/197:30 amHAN - GMP
1 stop22h 30mMultiple Airlines
Deal found 1/7$226
This Trip.com deal was found by Cheapflights users on 1/6. 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 1/201:35 pmICN - HAN
1 stop13h 55mAir China
Thu 1/222:50 amHAN - ICN
1 stop7h 35mAir China
Deal found 1/6$227
This Trip.com deal was found by Cheapflights users on 1/5. 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 1/137:25 amICN - HAN
1 stop9h 20mChina Eastern
Tue 1/278:40 pmHAN - ICN
2 stops14h 35mChina Eastern
Deal found 1/5$228
This VietJet Air deal was found by Cheapflights users on 1/6. 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.
Wed 4/296:25 amICN - HAN
Nonstop4h 30mVietJet Air
Sat 5/211:15 pmHAN - ICN
Nonstop4h 15mVietJet Air
Deal found 1/6$230
This Trip.com deal was found by Cheapflights users on 1/7. 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.
Fri 1/1610:05 pmICN - HAN
1 stop29h 15mMultiple Airlines
Sun 1/181:45 amHAN - ICN
Nonstop4h 10mMultiple Airlines
Deal found 1/7$232
This oojo deal was found by Cheapflights users on 1/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:05 pmICN - HAN
Nonstop4h 25mVietnam Airlines
Sun 7/1910:30 amHAN - ICN
Nonstop4h 05mVietnam Airlines
Deal found 1/6$233
This Shandong Airlines deal was found by Cheapflights users on 1/5. 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 Shandong Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/1710:10 pmICN - HAN
1 stop29h 40mShandong Airlines
Fri 1/232:20 amHAN - ICN
1 stop16h 45mShandong Airlines
Deal found 1/5$234

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seoul to Hanoi 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 7, 2026.
Use the filters below to find and compare flights from Seoul to Hanoi that are best for you.

Fly from

Seoul

Fly to

Hanoi

Route

Depart

Return

Price

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Mon 7/6

6:25 am-8:55 am

Nonstop4h 30m

Hanoi Noibai

Sun 7/19

11:15 pm-5:30 am

Nonstop4h 15m

$230

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Wed 4/1

10:35 am-7:10 pm

1 stop10h 35m

Hanoi Noibai

Mon 4/6

5:00 am-4:25 pm

1 stop9h 25m

$251

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Thu 4/2

10:35 am-7:10 pm

1 stop10h 35m

Hanoi Noibai

Mon 4/6

5:00 am-4:25 pm

1 stop9h 25m

$252

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Wed 4/1

10:35 am-6:45 pm

1 stop10h 10m

Hanoi Noibai

Sun 4/5

5:00 am-4:25 pm

1 stop9h 25m

$252

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Sun 4/12

3:30 pm-1:50 am

1 stop12h 20m

Hanoi Noibai

Wed 4/22

2:50 am-3:45 pm

1 stop10h 55m

$265

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Thu 4/2

10:35 am-7:10 pm

2 stops10h 35m

Hanoi Noibai

Sun 4/5

5:00 am-4:25 pm

1 stop9h 25m

$322

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Sun 1/18

9:45 pm-1:20 am

2 stops29h 35m

Hanoi Noibai

Wed 1/21

2:50 am-2:25 pm

1 stop9h 35m

$330

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Mon 3/2

10:35 am-1:25 pm

Nonstop4h 50m

Hanoi Noibai

Wed 3/4

11:40 pm-5:30 am

Nonstop3h 50m

$343

SeoulHanoi

GMP - HAN

GMPHAN

Seoul Gimpo Intl

Wed 4/1

2:25 pm-11:55 am

1 stop23h 30m

Hanoi Noibai

Sun 4/5

1:25 pm-1:05 pm

1 stop21h 40m

$499

SeoulHanoi

GMP - HAN

GMPHAN

Seoul Gimpo Intl

Mon 3/9

5:40 pm-1:05 pm

1 stop21h 25m

Hanoi Noibai

Thu 3/12

12:30 am-9:50 am

1 stop7h 20m

$613

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 42 results
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Compare providers for flights from Seoul to Hanoi

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 Seoul to Hanoi 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 Seoul-Hanoi flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Seoul-Hanoi flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Seoul-Hanoi flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seoul-Hanoi 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 Seoul-Hanoi 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 Seoul to Hanoi

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

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Seoul to Hanoi. Price data was last updated on January 2, 2026.

Booking 25 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seoul to Hanoi. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, September is the cheapest month in which you can book a flight from Seoul to Hanoi (average of $99). Flying from Seoul to Hanoi in January is currently the most expensive (average of $224). 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 SEL to HAN?

Find hourly flight availability from Seoul to Hanoi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 7, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seoul to Hanoi as you normally would.

Weekly flight availability from Seoul to Hanoi

Explore weekly flight availability from Seoul to Hanoi. 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 7, 2026.

The most flights from SEL to HAN are scheduled on a Monday (20 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (13 on average).

Reviews of airlines servicing Hanoi

Get insights into the airlines that provide service to Hanoi. 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 Hanoi. Reviews last updated January 7, 2026.
See what other customers who have flown with Korean Air, Asiana Airlines, and Vietnam Airlines from Seoul to Hanoi have to say. 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

Food

8.1

Overall

8.4

Crew

8.7

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

Food

8.1

Overall

8.4

Crew

8.7

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

Food

8.1

Overall

8.4

Crew

8.7

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

Food

8.1

Overall

8.4

Crew

8.7

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

Food

8.1

Overall

8.4

Crew

8.7

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

Food

8.1

Overall

8.4

Crew

8.7

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!!

Related info for your journey

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

    If you book a flight to Hanoi from Seoul, you will be flying to Noibai, which is the city’s only airport. Hanoi Noibai (HAN) is located 14.2 mi from the center of Hanoi. There are 17 flights from Seoul to Noibai per day from 5 different airlines.

  • How popular is this Seoul to Hanoi flight route?

  • How long is the flight from Seoul to Hanoi?

    A quick flight from Seoul to Hanoi can take about 4h 30m. VietJet Air provides one of the quickest options available for as low as $230. Airlines will cover a distance of 1666 mi. This flight may include one or multiple stops.

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

    VietJet Air, at $143, was found to be the cheapest airline from Seoul to Hanoi.Alternate airlines to your destination round-trip include Jeju Air and Vietnam Airlines. You may be able to fly from Seoul to Hanoi for 49% less than the average price by searching for these airlines.

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

    The cheapest airline one-way is Jeju Air, with whom users have recently found tickets for as low as $53. However, be on the lookout for offers from VietJet Air and Vietnam Airlines, as they are both options that can get you from Seoul to Hanoi for a low price.

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

    Before booking your flight to Hanoi from Seoul, check out the most reliable airlines to get you to your destination on time: Bamboo Airways (100%), Jeju Air (93%), VietJet Air( 84%).

  • What are the cheapest flights from Seoul to Hanoi?

    On average you can expect to pay $454 for a flight from Seoul to Hanoi. The cheapest flight overall is $98 while the most popular route, (Seoul Gimpo Intl - Hanoi Noibai) is currently priced at $212.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Seoul to Hanoi (average of $99). Flying from Seoul to Hanoi in January is currently the most expensive (average of $224). 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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Top 5 airlines flying from Seoul to Hanoi

Discover the top 5 airlines that operate flights from Seoul to Hanoi. 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 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
Jeju AirCheapest$148Average$207FlexibilityNo cancel feeOn-timeN/A
VietJet AirCheapest$154Average$257FlexibilityNo cancel feeOn-timeN/A
Vietnam AirlinesCheapest$210Average$284FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$223Average$333FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$238Average$287FlexibilityNo cancel feeOn-time81%

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