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 30m and 9h 05m, respectively.

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

Vietnam Airlines, Jeju Air, and China Eastern are the most popular carriers operating from Seoul to Hanoi Noibai

Which airport is the most popular layover for flights between Seoul and Hanoi?

Shenzhen (SZX) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Seoul to Hanoi?

Shanghai (PVG) has the shortest average layover time for this route: 2h 40m.

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

The number of flights available between Seoul and Hanoi is 18 per day as of July 2026. The most frequent departure time is 6:00PM, with 54% of daily flights leaving in the evening.

Which layover airport offers the lowest fares from Seoul to Hanoi?

Flights via Shenzhen (SZX) offer the lowest average round-trip price of $308.

What airlines fly to Hanoi?

VietJet Air, Vietnam Airlines and Asiana 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 33% 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.

Which layover airport has the shortest travel time from Seoul to Hanoi?

Flights connecting via Shanghai (PVG) have the shortest average one-way travel time: 9h 20m.

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

As of July 2026, 129 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.

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 July 2026.

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.

$68 Cheap Flights from Seoul to Hanoi in 2026

Find the cheapest flights from Seoul to Hanoi

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:40 pm - 11:45 pm

ICN

HAN

5h 05mnonstop

12:45 am - 7:35 am

HAN

ICN

4h 50mnonstop

$235Jeju Air

Sun, Aug 16 - Thu, Aug 20

8:40 pm - 11:45 pm

ICN

HAN

5h 05mnonstop

12:45 am - 7:35 am

HAN

ICN

4h 50mnonstop

$236Jeju Air

Sat, Oct 17 - Mon, Oct 19

8:40 pm - 11:45 pm

ICN

HAN

5h 05mnonstop

12:45 am - 7:35 am

HAN

ICN

4h 50mnonstop

$237Jeju Air

Tue, Aug 11 - Wed, Aug 12

10:05 am - 12:35 pm

ICN

HAN

4h 30mnonstop

11:50 am - 10:35 pm

HAN

ICN

8h 45m

1 stop

$241Vietnam Airlines

Mon, Sep 21 - Tue, Sep 22

10:05 am - 12:35 pm

ICN

HAN

4h 30mnonstop

11:35 pm - 5:50 am

HAN

ICN

4h 15mnonstop

$242Vietnam Airlines

Mon, Aug 17 - Fri, Aug 21

6:25 am - 9:30 am

ICN

HAN

5h 05mnonstop

10:50 pm - 5:25 am

HAN

ICN

4h 35mnonstop

$244VietJet Air

Thu, Dec 3 - Thu, Dec 17

7:20 am - 1:15 pm

GMP

HAN

7h 55m

1 stop

1:15 am - 9:55 am

HAN

GMP

6h 40m

1 stop

$466Multiple Airlines

Thu, Aug 20 - Sun, Aug 23

2:25 pm - 11:55 am

GMP

HAN

23h 30m

1 stop

1:30 pm - 1:05 pm

HAN

GMP

21h 35m

1 stop

$485Air China

Thu, Dec 3 - Thu, Dec 17

2:25 pm - 11:55 am

GMP

HAN

23h 30m

1 stop

1:30 pm - 1:05 pm

HAN

GMP

21h 35m

1 stop

$487Air China

Thu, Dec 3 - Thu, Dec 17

7:20 am - 1:15 pm

GMP

HAN

7h 55m

1 stop

1:15 am - 1:45 pm

HAN

GMP

10h 30m

1 stop

$507Multiple Airlines

Fri, Aug 21 - Sun, Aug 23

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Jeju Air flights from Seoul to Hanoi

Our best Jeju Air deals on Seoul to Hanoi flight tickets

Jeju Air

Aug 17

ICN8:40 pmIncheon Intl

5h 05m

HAN11:45 pmHanoi Noibai

Aug 19

HAN12:45 amHanoi Noibai

4h 50m

ICN7:35 amIncheon Intl

$235

Jeju Air

Oct 17

ICN8:40 pmIncheon Intl

5h 05m

HAN11:45 pmHanoi Noibai

Oct 19

HAN12:45 amHanoi Noibai

4h 50m

ICN7:35 amIncheon Intl

$236

Jeju Air

Aug 22

ICN8:40 pmIncheon Intl

5h 05m

HAN11:45 pmHanoi Noibai

Aug 25

HAN12:45 amHanoi Noibai

4h 50m

ICN7:35 amIncheon Intl

$237

China Eastern flights from Seoul to Hanoi

Our best China Eastern deals on Seoul to Hanoi flight tickets

China Eastern

Jul 21

ICN7:45 amIncheon Intl

9h 00m

1 stop

HAN2:45 pmHanoi Noibai

Jul 28

HAN8:15 pmHanoi Noibai

20h 25m

1 stop

ICN6:40 pmIncheon Intl

$303

China Eastern

Jul 30

GMP8:50 pmSeoul Gimpo Intl

19h 10m

1 stop

HAN2:00 pmHanoi Noibai

Aug 9

HAN3:00 pmHanoi Noibai

26h 50m

1 stop

GMP7:50 pmSeoul Gimpo Intl

$413

China Eastern

Jul 17

GMP8:50 pmSeoul Gimpo Intl

19h 55m

2 stops

HAN2:45 pmHanoi Noibai

Jul 20

HAN3:45 pmHanoi Noibai

26h 05m

2 stops

GMP7:50 pmSeoul Gimpo Intl

$427

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Sun 8/16

8:40 pm-11:45 pm

Nonstop5h 05m

Hanoi Noibai

Thu 8/20

12:45 am-7:35 am

Nonstop4h 50m

$235

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Sat 10/17

8:40 pm-11:45 pm

Nonstop5h 05m

Hanoi Noibai

Mon 10/19

12:45 am-7:35 am

Nonstop4h 50m

$236

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Tue 8/11

8:40 pm-11:45 pm

Nonstop5h 05m

Hanoi Noibai

Wed 8/12

12:45 am-7:35 am

Nonstop4h 50m

$237

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Mon 9/21

10:05 am-12:35 pm

Nonstop4h 30m

Hanoi Noibai

Tue 9/22

11:50 am-10:35 pm

1 stop8h 45m

$241

Quickest round-trip

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Mon 8/17

10:05 am-12:35 pm

Nonstop4h 30m

Hanoi Noibai

Fri 8/21

11:35 pm-5:50 am

Nonstop4h 15m

$242

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Thu 12/3

6:25 am-9:30 am

Nonstop5h 05m

Hanoi Noibai

Thu 12/17

10:50 pm-5:25 am

Nonstop4h 35m

$244

SeoulHanoi

GMP - HAN

GMPHAN

Seoul Gimpo Intl

Thu 8/20

7:20 am-1:15 pm

1 stop7h 55m

Hanoi Noibai

Sun 8/23

1:15 am-9:55 am

1 stop6h 40m

$466

SeoulHanoi

GMP - HAN

GMPHAN

Seoul Gimpo Intl

Thu 12/3

2:25 pm-11:55 am

1 stop23h 30m

Hanoi Noibai

Thu 12/17

1:30 pm-1:05 pm

1 stop21h 35m

$485

SeoulHanoi

GMP - HAN

GMPHAN

Seoul Gimpo Intl

Thu 12/3

2:25 pm-11:55 am

1 stop23h 30m

Hanoi Noibai

Thu 12/17

1:30 pm-1:05 pm

1 stop21h 35m

$487

SeoulHanoi

GMP - HAN

GMPHAN

Seoul Gimpo Intl

Fri 8/21

7:20 am-1:15 pm

1 stop7h 55m

Hanoi Noibai

Sun 8/23

1:15 am-1:45 pm

1 stop10h 30m

$507

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

Layovers

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 September. Flight prices, which tend to average around $218, are often lower during this time because this is during the off-season. If you’re not able to fly to Hanoi in September, then June is your next best option. Flight prices from Seoul to Hanoi during June average around $229.

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

According to our data, Monday is the cheapest day to fly to Hanoi from Seoul. The lowest ticket price found for a Monday departure recently was $236. 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 Saturday as prices are generally higher than usual. According to our data, the average ticket price to Hanoi on Saturday is $333.

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 $267. Try not to purchase tickets in the morning because they tend to be around $307. 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 from Seoul 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 $306 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 $230 on momondo.

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

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

Can stopping save me money on Seoul to Hanoi flights?

No. A direct flight is the cheapest option for a flight between Seoul to Hanoi.

How have Seoul to Hanoi flight prices changed over time?

As of July 2026, prices for Seoul to Hanoi flights are approximately 7% more expensive 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	$140
Fastest flight time	4h 30m
Direct flights	Every day
Airports in Hanoi	1 airport

The best one-way flight to Hanoi from Seoul in the past 72 hours is $140. The best round-trip flight deal from Seoul to Hanoi found on momondo in the last 72 hours is $294.

The fastest flight from Seoul to Hanoi takes 4h 30m

Direct flights go from Seoul to Hanoi every day.

There is 1 airport in Hanoi. From Seoul there are direct flights to Hanoi Noibai (HAN).

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Frequently asked questions about flying from Seoul to Hanoi

How far is Seoul to Hanoi Noibai by plane?
Hanoi Noibai is 1703.7 mi away from Seoul. 4h 30m 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 July 2026.
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 (16.31% of total bookings). The next most popular plane models are Airbus A350-900 (12.88%), Airbus A318/A319/A320/A321 (11.02%), and Boeing 787 Dreamliner (10.85%).
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 38% of the total bookings. Other popular airlines include Asiana Airlines with 28%, Vietnam Airlines with 18%, and Jeju Air with 16%.

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
VietJet Air	PriceFrom $142	Free Cancellation	Rating 5.6 172 reviews	Search VietJet Air flights
Jeju Air	PriceFrom $149	Free Cancellation	Rating 7.6 38 reviews	Search Jeju Air flights
Vietnam Airlines	PriceFrom $200	Free Cancellation	Rating 7.7 280 reviews	Search Vietnam Airlines flights
Asiana Airlines	PriceFrom $223	Free Cancellation	Rating 8.1 553 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom $259	Free Cancellation	Rating 8.4 1,221 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 27 flights/week on average for this route. A good Korean Air flight deal for Seoul to Hanoi starts from $259 round-trip, up to an average price of $295. 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 $223, round-trip. It should be noted that an average Asiana Airlines flight deal for this route in this time was higher, at $354 round-trip. Asiana Airlines operates 8 flights out of Seoul into Hanoi in an average week, so prices vary by time and availability. 553 Asiana Airlines reviews by users on momondo have scored the airline at 8.1/10.

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.