HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Hanoi

$103+ 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — HAN
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seoul to Hanoi with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Seoul to Hanoi Noibai are usually found in May or April, booked 35 days in advance, depart on a Friday or Tuesday and return on a Thursday

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 November 20, 2025.

Most accurate provider

OneTravel
3 stars

Most trusted provider

OneTravel
3 stars

Round-trip from

$205
(Mytrip)

One-way from

$103
(Mytrip)

Popular in

February

Cheapest in

May

Average price

$363

Good round-trip deal

$292 or less

Good one-way deal

$110 or less
Provider with most accurate pricing for Seoul (SEL)-Hanoi Noibai flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seoul (SEL)-Hanoi Noibai flights.
Search Deals
From Seoul (SEL) to Hanoi Noibai
Search Deals
One-way flight from Seoul (SEL) to Hanoi Noibai
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Seoul (SEL) to Hanoi Noibai.
Search Deals
Price to beat on a one-way flight from Seoul (SEL) to Hanoi Noibai.
Search Deals

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 November 20, 2025.

This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/92:25 pmGMP - HAN
1 stop23h 35mAir China
Tue 12/161:20 pmHAN - GMP
1 stop21h 45mAir China
Deal found 11/19$209
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/108:20 pmICN - HAN
1 stop12h 45mMultiple Airlines
Wed 12/178:15 pmHAN - ICN
1 stop7h 45mMultiple Airlines
Deal found 11/19$223
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.
Thu 12/42:20 pmICN - HAN
2 stops31h 20mChina Eastern
Tue 12/232:45 amHAN - ICN
1 stop12h 40mChina Eastern
Deal found 11/19$225
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:55 pmICN - HAN
1 stop14h 50mChina Eastern
Fri 12/58:40 pmHAN - ICN
2 stops14h 35mChina Eastern
Deal found 11/19$226
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/21:35 pmICN - HAN
1 stop13h 55mMultiple Airlines
Fri 12/59:40 amHAN - ICN
1 stop28h 05mMultiple Airlines
Deal found 11/19$227
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.
Mon 12/298:10 pmICN - HAN
Nonstop5h 05mMultiple Airlines
Mon 1/51:45 amHAN - ICN
Nonstop4h 10mMultiple Airlines
Deal found 11/19$228
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/281:55 pmICN - HAN
1 stop27h 15mChina Southern
Wed 12/247:45 pmHAN - ICN
1 stop24h 05mChina Southern
Deal found 11/19$230
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/84:10 pmICN - HAN
1 stop24h 00mChina Eastern
Tue 12/166:45 pmHAN - ICN
1 stop20h 40mChina Eastern
Deal found 11/19$231
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:25 amICN - HAN
1 stop9h 20mChina Eastern
Tue 12/238:40 pmHAN - ICN
2 stops14h 35mChina Eastern
Deal found 11/19$235
This Jeju 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/189:20 pmICN - HAN
Nonstop5h 20mJeju Air
Sat 12/201:40 amHAN - ICN
Nonstop4h 25mJeju Air
Deal found 11/20$236
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/242:20 pmICN - HAN
2 stops31h 20mChina Eastern
Fri 11/288:40 pmHAN - ICN
2 stops14h 35mChina Eastern
Deal found 11/20$237
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/811:10 amICN - HAN
1 stop26h 45mAir China
Wed 12/171:30 pmHAN - ICN
1 stop6h 25mAir China
Deal found 11/19$239

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 November 20, 2025.
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 3/30

6:05 pm-8:30 pm

Nonstop4h 25m

Hanoi Noibai

Sun 4/5

7:00 pm-6:40 am

1 stop9h 40m

$249

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Sun 3/1

9:20 pm-12:40 am

Nonstop5h 20m

Hanoi Noibai

Sun 3/8

1:40 am-8:05 am

Nonstop4h 25m

$279

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Fri 12/26

9:20 pm-12:40 am

Nonstop5h 20m

Hanoi Noibai

Thu 1/1

1:40 am-8:05 am

Nonstop4h 25m

$281

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Sun 12/21

10:40 pm-7:05 am

1 stop10h 25m

Hanoi Noibai

Thu 12/25

7:45 pm-6:00 am

1 stop8h 15m

$294

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Wed 12/24

9:20 pm-12:40 am

Nonstop5h 20m

Hanoi Noibai

Thu 1/1

1:40 am-8:05 am

Nonstop4h 25m

$317

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Fri 12/26

9:20 pm-12:40 am

Nonstop5h 20m

Hanoi Noibai

Fri 1/2

1:40 am-8:05 am

Nonstop4h 25m

$322

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Mon 12/8

6:15 am-2:45 pm

1 stop10h 30m

Hanoi Noibai

Wed 12/17

10:40 am-4:30 pm

Nonstop3h 50m

$332

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Mon 12/1

1:50 am-11:45 am

1 stop11h 55m

Hanoi Noibai

Fri 12/5

4:25 pm-5:05 am

1 stop10h 40m

$336

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Wed 12/10

4:45 pm-6:40 pm

1 stop27h 55m

Hanoi Noibai

Tue 12/16

9:40 am-1:15 pm

2 stops25h 35m

$360

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Wed 12/10

2:15 pm-1:10 am

2 stops12h 55m

Hanoi Noibai

Sun 12/14

2:10 am-1:55 pm

1 stop9h 45m

$367

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 42 results
1
2
3
...
5

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 November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
OneTravelPrice Accuracy3 starsTrust Score*3 stars
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 OneTravel to be most consistent on Cheapflights vs. OneTravel Users can find the same prices on Seoul-Hanoi flight deals on Cheapflights vs. OneTravel >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 OneTravel the most. OneTravel 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 November 14, 2025.

Booking 35 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 $246). 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 November 20, 2025.

One of the essential ways to save on airfare from Seoul to Hanoi is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 20% on airfare.

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 November 20, 2025.

The most flights from SEL to HAN are scheduled on a Wednesday (19 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (12 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 November 20, 2025.
See what other customers who have flown with Korean Air, Asiana Airlines, and Jeju Air 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.
Korean Air
8.4
Very good
1,167 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Overall

8.4

Comfort

8.3

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!!
Korean Air
8.4
Very good
1,167 reviews
Korean Air
8.4
Very good
1,167 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Overall

8.4

Comfort

8.3

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!!
Asiana Airlines
8.2
Very good
487 reviews
Korean Air
8.4
Very good
1,167 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Overall

8.4

Comfort

8.3

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!!
Jeju Air
7.7
Good
34 reviews
Korean Air
8.4
Very good
1,167 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Overall

8.4

Comfort

8.3

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!!
Vietnam Airlines
7.6
Good
212 reviews
Korean Air
8.4
Very good
1,167 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Overall

8.4

Comfort

8.3

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!!
VietJet Air
5.6
Fair
153 reviews
Korean Air
8.4
Very good
1,167 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Overall

8.4

Comfort

8.3

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!!

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 15 flights from Seoul to Noibai per day from 5 different airlines.

  • How popular is this Seoul to Hanoi flight route?

    Within the past month, 48 users have taken a look at flights from Seoul to Hanoi Noibai.

  • How long is the flight from Seoul to Hanoi?

    A quick flight from Seoul to Hanoi can take about 4h 25m. Vietnam Airlines provides one of the quickest options available for as low as $249. 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?

    Jeju Air, at $148, was found to be the cheapest airline from Seoul to Hanoi.Alternate airlines to your destination round-trip include VietJet Air and Vietnam Airlines. You may be able to fly from Seoul to Hanoi for 47% 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 Air China, with whom users have recently found tickets for as low as $103. However, be on the lookout for offers from China Eastern and Jeju Air, 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: Brit Mediterranean (91%), Vietnam Airlines (85%), Korean Air( 83%).

  • What are the cheapest flights from Seoul to Hanoi?

    On average you can expect to pay $675 for a flight from Seoul to Hanoi. The cheapest flight overall is $66 while the most popular route, (Incheon Intl - Hanoi Noibai) is currently priced at $202.

  • 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 $246). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Jeju AirCheapest$148Average$230FlexibilityNo cancel feeOn-timeN/A
VietJet AirCheapest$154Average$273FlexibilityNo cancel feeOn-timeN/A
Vietnam AirlinesCheapest$210Average$276FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$223Average$345FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$238Average$292FlexibilityNo cancel feeOn-time81%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.