How long does it take to fly to Hanoi?

If you’re flying from a popular airport in Seoul, such as Incheon or Seoul, and flying into Hanoi, then you can expect flight times to average 4h 25m and 15h 45m, respectively.

How many flights depart from Seoul to Hanoi on average per week?

As of September 2025, 122 flights take off from Seoul and land in Hanoi each week. The most common flight departure day for this route is Wed, with 16% of weekly flights taking off on this day.

What is the cheapest airline that flies from Seoul to Hanoi Noibai?

VietJet Air, Jeju Air, and Air Macau are the most popular carriers operating from Seoul to Hanoi Noibai

How many flights depart from Seoul to Hanoi on average per day?

The number of flights available between Seoul and Hanoi is 17 per day as of September 2025. The most frequent departure time is 6:00PM, with 57% of daily flights leaving in the evening.

What airlines fly to Hanoi?

VietJet Air, Asiana Airlines and Vietnam Airlines are the top three most popular airlines that fly to Hanoi from Seoul according to our data. VietJet Air is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Hanoi. Keep in mind that there are 5 different airlines that fly to Hanoi on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Seoul to Hanoi Noibai Airport?

Prices for flights from Seoul to Hanoi Noibai Airport are updated daily.

How many operators does momondo search for flights from Seoul to Hanoi Noibai Airport?

There are 5 operators available for flights from Seoul to Hanoi Noibai Airport as of September 2025.

How old do you have to be to fly from Seoul to Hanoi Noibai Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seoul to Hanoi Noibai Airport.

What documentation or ID do you need to fly to Hanoi Noibai Airport?

The necessary travel and health documents for your Hanoi Noibai Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$63 Cheap Flights from Seoul to Hanoi in 2025/26

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Find the cheapest flights from Seoul to Hanoi

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

8:45 pm - 11:45 pmICN-HAN

5h 00mnonstop

12:45 am - 7:30 amHAN-ICN

4h 45mnonstop

$180Jeju Air

Find Deal

Mon, Oct 20 - Fri, Oct 24

8:45 pm - 11:45 pmICN-HAN

5h 00mnonstop

12:45 am - 7:30 amHAN-ICN

4h 45mnonstop

$190Jeju Air

Find Deal

Fri, Oct 10 - Thu, Oct 16

11:05 am - 1:35 pmICN-HAN

4h 30mnonstop

1:40 am - 7:55 amHAN-ICN

4h 15mnonstop

$198VietJet Air

Find Deal

Sat, Oct 18 - Fri, Oct 24

6:05 pm - 8:30 pmICN-HAN

4h 25mnonstop

10:40 am - 4:30 pmHAN-ICN

3h 50mnonstop

$204Vietnam Airlines

Find Deal

Thu, Oct 16 - Fri, Oct 31

6:05 pm - 8:30 pmICN-HAN

4h 25mnonstop

10:30 am - 4:35 pmHAN-ICN

4h 05mnonstop

$206Vietnam Airlines

Find Deal

Fri, Oct 17 - Sat, Oct 25

7:30 pm - 10:00 pmICN-HAN

4h 30mnonstop

1:25 pm - 7:35 pmHAN-ICN

4h 10mnonstop

$218Asiana Airlines

Find Deal

Mon, Oct 13 - Fri, Oct 17

7:30 pm - 10:00 pmICN-HAN

4h 30mnonstop

11:30 pm - 5:50 amHAN-ICN

4h 20mnonstop

$220Asiana Airlines

Find Deal

Mon, Oct 13 - Wed, Oct 15

11:05 am - 1:35 pmICN-HAN

4h 30mnonstop

4:35 pm - 5:00 amHAN-ICN

10h 25m1 stop

$245VietJet Air

Find Deal

Thu, Oct 16 - Sat, Oct 25

7:30 pm - 1:10 pmGMP-HAN

19h 40m1 stop

1:20 am - 9:05 pmHAN-GMP

17h 45m1 stop

$678Korean Air

Find Deal

Mon, Oct 13 - Wed, Oct 15

8:00 am - 1:10 pmGMP-HAN

7h 10m1 stop

1:20 am - 9:05 pmHAN-GMP

17h 45m1 stop

$679Korean Air

Find Deal

Mon, Oct 13 - Sun, Oct 19

Air China flights from Seoul to Hanoi

Our best Air China deals on Seoul to Hanoi flight tickets

Air China

Oct 16

GMP2:25 pmSeoul Gimpo Intl

23h 30m

1 stop

HAN11:55 amHanoi Noibai

Oct 31

HAN1:30 pmHanoi Noibai

21h 35m

1 stop

GMP1:05 pmSeoul Gimpo Intl

$235

Find similar

Air China

Dec 2

ICN11:10 amIncheon Intl

26h 50m

1 stop

HAN12:00 pmHanoi Noibai

Dec 26

HAN2:50 amHanoi Noibai

7h 35m

1 stop

ICN12:25 pmIncheon Intl

$238

Find similar

Air China

Oct 14

GMP2:25 pmSeoul Gimpo Intl

23h 30m

1 stop

HAN11:55 amHanoi Noibai

Oct 21

HAN1:25 pmHanoi Noibai

21h 40m

1 stop

GMP1:05 pmSeoul Gimpo Intl

$249

Find similar

Jeju Air flights from Seoul to Hanoi

Our best Jeju Air deals on Seoul to Hanoi flight tickets

Jeju Air

Oct 20

ICN8:45 pmIncheon Intl

5h 00m

HAN11:45 pmHanoi Noibai

Oct 24

HAN12:45 amHanoi Noibai

4h 45m

ICN7:30 amIncheon Intl

$180

Find similar

Jeju Air

Sep 20

ICN8:45 pmIncheon Intl

5h 00m

HAN11:45 pmHanoi Noibai

Sep 26

HAN12:45 amHanoi Noibai

4h 45m

ICN7:30 amIncheon Intl

$185

Find similar

Jeju Air

Sep 22

ICN8:45 pmIncheon Intl

5h 00m

HAN11:45 pmHanoi Noibai

Sep 25

HAN12:45 amHanoi Noibai

4h 45m

ICN7:30 amIncheon Intl

$186

Find similar

Fly from

Fly to

Route

Depart

Return

Price

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Mon 10/20

8:45 pm-11:45 pm

Nonstop5h 00m

Hanoi Noibai

Fri 10/24

12:45 am-7:30 am

Nonstop4h 45m

$180

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Fri 10/10

8:45 pm-11:45 pm

Nonstop5h 00m

Hanoi Noibai

Thu 10/16

12:45 am-7:30 am

Nonstop4h 45m

$190

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Sat 10/18

11:05 am-1:35 pm

Nonstop4h 30m

Hanoi Noibai

Fri 10/24

1:40 am-7:55 am

Nonstop4h 15m

$198

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Thu 10/16

6:05 pm-8:30 pm

Nonstop4h 25m

Hanoi Noibai

Fri 10/31

10:40 am-4:30 pm

Nonstop3h 50m

$204

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Fri 10/17

6:05 pm-8:30 pm

Nonstop4h 25m

Hanoi Noibai

Sat 10/25

10:30 am-4:35 pm

Nonstop4h 05m

$206

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Mon 10/13

7:30 pm-10:00 pm

Nonstop4h 30m

Hanoi Noibai

Fri 10/17

1:25 pm-7:35 pm

Nonstop4h 10m

$218

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Mon 10/13

7:30 pm-10:00 pm

Nonstop4h 30m

Hanoi Noibai

Wed 10/15

11:30 pm-5:50 am

Nonstop4h 20m

$220

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Thu 10/16

11:05 am-1:35 pm

Nonstop4h 30m

Hanoi Noibai

Sat 10/25

4:35 pm-5:00 am

1 stop10h 25m

$245

SeoulHanoi

GMP - HAN

GMPHAN

Seoul Gimpo Intl

Mon 10/13

7:30 pm-1:10 pm

1 stop19h 40m

Hanoi Noibai

Wed 10/15

1:20 am-9:05 pm

1 stop17h 45m

$678

SeoulHanoi

GMP - HAN

GMPHAN

Seoul Gimpo Intl

Mon 10/13

8:00 am-1:10 pm

1 stop7h 10m

Hanoi Noibai

Sun 10/19

1:20 am-9:05 pm

1 stop17h 45m

$679

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seoul to Hanoi

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Seoul and Hanoi?

What is the cheapest month to fly to Hanoi?

The cheapest month to fly to Hanoi from Seoul is in May. Flight prices, which tend to average around $175, are often lower during this time because this is during the off-season. If you’re not able to fly to Hanoi in May, then September is your next best option. Flight prices from Seoul to Hanoi during September average around $216.

What is the cheapest day to depart on your flight to Hanoi?

According to our data, Friday is the cheapest day to fly to Hanoi from Seoul. The lowest ticket price found for a Friday departure recently was $253. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Hanoi on Monday is $304.

What is the cheapest time of day to depart on your flight to Hanoi?

Our most recent data shows that the best time of day to fly to Hanoi is in the evening. Flights from Seoul to Hanoi during this time can be as low as $238. Try not to purchase tickets in the afternoon because they tend to be around $309. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Seoul to Hanoi Noibai flight route?

Fly from Incheon Intl to Hanoi Noibai for the best Seoul - Hanoi Noibai flight prices

How far in advance should I book a flight to Hanoi?

You are more likely to see cheaper flights to Hanoi from Seoul when booking weeks ahead of your departure date. In general, you can expect to find flights to Hanoi for around $258 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hanoi from Seoul for as low as $235 on momondo.

What cabin class options are available on Seoul to Hanoi Noibai flights?

There are 3 cabin classes available to choose from on Seoul to Hanoi Noibai flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seoul to Hanoi flight prices changed over time?

As of September 2025, prices for Seoul to Hanoi flights are approximately 6% cheaper when compared to flights at the same time last year.

When to book flights from Seoul to Hanoi

Are you open to changing your travel dates? Check out the ideal times to fly from Seoul to Hanoi according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seoul to Hanoi (SEL to HAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seoul to Hanoi

Best Price Found	$110
Fastest flight time	4h 25m
Direct flights	Every day
Airports in Hanoi	1 airport

The best one-way flight to Hanoi from Seoul in the past 72 hours is $110. The best round-trip flight deal from Seoul to Hanoi found on momondo in the last 72 hours is $221.

The fastest flight from Seoul to Hanoi takes 4h 25m

Direct flights go from Seoul to Hanoi every day.

There is 1 airport near Hanoi: Hanoi Noibai (HAN)

Search flight deals

How far is Seoul to Hanoi Noibai by plane?
Hanoi Noibai is 1703.7 mi away from Seoul. 4h 25m is a normal flight duration for this route.
When did momondo last update prices for flights from Seoul to Hanoi Noibai Airport?
Prices for flights from Seoul to Hanoi Noibai Airport are updated daily.
How many operators does momondo search for flights from Seoul to Hanoi Noibai Airport?
There are 5 operators available for flights from Seoul to Hanoi Noibai Airport as of September 2025.
How old do you have to be to fly from Seoul to Hanoi Noibai Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seoul to Hanoi Noibai Airport.
What documentation or ID do you need to fly to Hanoi Noibai Airport?
The necessary travel and health documents for your Hanoi Noibai Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seoul to Hanoi?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Seoul to Hanoi is Airbus A321-100/200 (19.77% of total bookings). The next most popular plane models are Airbus A350-900 (11.34%), Boeing 787 Dreamliner (10.15%), and Boeing 737-800 (9.01%).
What is the most popular airline from Seoul to Hanoi?
Based on momondo bookings for flights between Seoul and Hanoi, the leading airline is VietJet Air, making up 34% of the total bookings. Other popular airlines include Vietnam Airlines with 28%, Asiana Airlines with 20%, and Jeju Air with 10%.

Best airlines flying from Seoul to Hanoi

Compare and see reviews for airlines that fly from Seoul to Hanoi with momondo

Airline	Rating	Free Cancellation	Price
Jeju Air	PriceFrom $148	Free Cancellation	Rating 7.7 33 reviews	Search Jeju Air flights
VietJet Air	PriceFrom $154	Free Cancellation	Rating 5.6 147 reviews	Search VietJet Air flights
Vietnam Airlines	PriceFrom $210	Free Cancellation	Rating 7.6 201 reviews	Search Vietnam Airlines flights
Asiana Airlines	PriceFrom $224	Free Cancellation	Rating 8.2 481 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom $247	Free Cancellation	Rating 8.4 1,140 reviews	Search Korean Air flights

Korean Air Flights From Seoul to Hanoi
Korean Air is one of the most popular airlines flying from Seoul to Hanoi, operating 25 flights/week on average for this route. A good Korean Air flight deal for Seoul to Hanoi starts from $247 round-trip, up to an average price of $331. Our users have rated Korean Air at 8.4/10.
Asiana Airlines Flights From Seoul to Hanoi
The best Asiana Airlines deal for Seoul to Hanoi flight tickets found on momondo in the last 72 hours was $224, round-trip. It should be noted that an average Asiana Airlines flight deal for this route in this time was higher, at $328 round-trip. Asiana Airlines operates 8 flights out of Seoul into Hanoi in an average week, so prices vary by time and availability. 481 Asiana Airlines reviews by users on momondo have scored the airline at 8.2/10.

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to Hanoi?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seoul to Hanoi. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seoul to Hanoi with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seoul to Hanoi flights to just show those with flexible booking policies.

How can momondo help me find flights from Seoul to Hanoi?

momondo provides multiple filters to help you find the best flight to Hanoi from Seoul. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Seoul to Hanoi right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Hanoi, momondo offers a useful price alert feature which will track prices for flights to Hanoi from Seoul and alert you when they change.