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

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

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 34% 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.

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 2025. The most frequent departure time is 6:00PM, with 56% of daily flights leaving in the evening.

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 8h, respectively.

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

As of July 2025, 130 flights take off from Seoul and land in Hanoi each week. The most common flight departure day for this route is Wed, with 15% 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 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.

$55 Cheap Flights from Seoul to Hanoi in 2025

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Find the cheapest flights from Seoul to Hanoi

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:25 am - 8:55 amICN-HAN

4h 30mnonstop

1:40 am - 7:55 amHAN-ICN

4h 15mnonstop

$125VietJet Air

Find Deal

Fri, Sep 26 - Mon, Sep 29

6:25 am - 8:55 amICN-HAN

4h 30mnonstop

1:40 am - 7:55 amHAN-ICN

4h 15mnonstop

$128VietJet Air

Find Deal

Fri, Sep 5 - Mon, Sep 8

8:45 pm - 11:45 pmICN-HAN

5h 00mnonstop

12:45 am - 7:30 amHAN-ICN

4h 45mnonstop

$172Jeju Air

Find Deal

Fri, Sep 26 - Fri, Oct 3

8:45 pm - 11:45 pmICN-HAN

5h 00mnonstop

12:45 am - 7:30 amHAN-ICN

4h 45mnonstop

$180Jeju Air

Find Deal

Sat, Sep 6 - Sun, Sep 7

4:45 pm - 11:15 pmICN-HAN

8h 30m1 stop

1:40 am - 7:55 amHAN-ICN

4h 15mnonstop

$182

Find Deal

Fri, Sep 5 - Mon, Sep 8

10:05 am - 12:30 pmICN-HAN

4h 25mnonstop

11:15 pm - 4:25 pmHAN-ICN

15h 10m1 stop

$188Vietnam Airlines

Find Deal

Fri, Sep 5 - Tue, Sep 9

6:05 pm - 8:30 pmICN-HAN

4h 25mnonstop

11:45 pm - 5:50 amHAN-ICN

4h 05mnonstop

$191Vietnam Airlines

Find Deal

Fri, Aug 29 - Fri, Sep 12

2:50 pm - 1:40 pmICN-HAN

24h 50m1 stop

11:15 pm - 5:30 amHAN-ICN

4h 15mnonstop

$195

Find Deal

Thu, Aug 21 - Tue, Oct 21

4:00 pm - 1:10 pmGMP-HAN

23h 10m1 stop

1:20 am - 9:05 pmHAN-GMP

17h 45m1 stop

$536Korean Air

Find Deal

Mon, Sep 15 - Tue, Sep 23

4:00 pm - 1:10 pmGMP-HAN

23h 10m1 stop

1:20 am - 8:20 pmHAN-GMP

17h 00m1 stop

$538Korean Air

Find Deal

Mon, Sep 15 - Tue, Sep 23

VietJet Air flights from Seoul to Hanoi

Our best VietJet Air deals on Seoul to Hanoi flight tickets

VietJet Air

Sep 26

ICN6:25 amIncheon Intl

4h 30m

HAN8:55 amHanoi Noibai

Sep 29

HAN1:40 amHanoi Noibai

4h 15m

ICN7:55 amIncheon Intl

$125

Find similar

VietJet Air

Sep 5

ICN6:25 amIncheon Intl

4h 30m

HAN8:55 amHanoi Noibai

Sep 8

HAN1:40 amHanoi Noibai

4h 15m

ICN7:55 amIncheon Intl

$128

Find similar

VietJet Air

Sep 26

ICN6:25 amIncheon Intl

4h 30m

HAN8:55 amHanoi Noibai

Sep 29

HAN1:40 amHanoi Noibai

4h 15m

ICN7:55 amIncheon Intl

$131

Find similar

China Southern flights from Seoul to Hanoi

Our best China Southern deals on Seoul to Hanoi flight tickets

China Southern

Aug 2

ICN3:15 pmIncheon Intl

10h 00m

1 stop

HAN11:15 pmHanoi Noibai

Aug 18

HAN5:45 pmHanoi Noibai

19h 40m

1 stop

ICN3:25 pmIncheon Intl

$192

Find similar

China Southern

Aug 13

ICN10:20 amIncheon Intl

14h 55m

1 stop

HAN11:15 pmHanoi Noibai

Aug 20

HAN3:45 pmHanoi Noibai

20h 10m

1 stop

ICN1:55 pmIncheon Intl

$193

Find similar

China Southern

Aug 19

ICN4:45 pmIncheon Intl

8h 30m

1 stop

HAN11:15 pmHanoi Noibai

Aug 21

HAN5:45 pmHanoi Noibai

18h 10m

1 stop

ICN1:55 pmIncheon Intl

$194

Find similar

Fly from

Fly to

Route

Depart

Return

Price

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Fri 9/26

6:25 am-8:55 am

Nonstop4h 30m

Hanoi Noibai

Mon 9/29

1:40 am-7:55 am

Nonstop4h 15m

$125

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Fri 9/5

6:25 am-8:55 am

Nonstop4h 30m

Hanoi Noibai

Mon 9/8

1:40 am-7:55 am

Nonstop4h 15m

$128

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Fri 9/26

8:45 pm-11:45 pm

Nonstop5h 00m

Hanoi Noibai

Fri 10/3

12:45 am-7:30 am

Nonstop4h 45m

$172

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Sat 9/6

8:45 pm-11:45 pm

Nonstop5h 00m

Hanoi Noibai

Sun 9/7

12:45 am-7:30 am

Nonstop4h 45m

$180

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Fri 9/5

4:45 pm-11:15 pm

1 stop8h 30m

Hanoi Noibai

Mon 9/8

1:40 am-7:55 am

Nonstop4h 15m

$182

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Fri 9/5

10:05 am-12:30 pm

Nonstop4h 25m

Hanoi Noibai

Tue 9/9

11:15 pm-4:25 pm

1 stop15h 10m

$188

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Fri 8/29

6:05 pm-8:30 pm

Nonstop4h 25m

Hanoi Noibai

Fri 9/12

11:45 pm-5:50 am

Nonstop4h 05m

$191

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Thu 8/21

2:50 pm-1:40 pm

1 stop24h 50m

Hanoi Noibai

Tue 10/21

11:15 pm-5:30 am

Nonstop4h 15m

$195

SeoulHanoi

GMP - HAN

GMPHAN

Seoul Gimpo Intl

Mon 9/15

4:00 pm-1:10 pm

1 stop23h 10m

Hanoi Noibai

Tue 9/23

1:20 am-9:05 pm

1 stop17h 45m

$536

SeoulHanoi

GMP - HAN

GMPHAN

Seoul Gimpo Intl

Mon 9/15

4:00 pm-1:10 pm

1 stop23h 10m

Hanoi Noibai

Tue 9/23

1:20 am-8:20 pm

1 stop17h 00m

$538

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 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 $219.

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 $263. 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 $331.

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 $273. Try not to purchase tickets in the afternoon because they tend to be around $316. 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 $261 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 $231 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 July 2025, prices for Seoul to Hanoi flights are approximately 20% 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	$55
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 $55. The best round-trip flight deal from Seoul to Hanoi found on momondo in the last 72 hours is $125.

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 July 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 (20.66% of total bookings). The next most popular plane models are Airbus A350-900 (11.74%), Boeing 737-800 (11.01%), and Boeing 787 Dreamliner (10.62%).
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 27%, Asiana Airlines with 21%, and Korean Air with 11%.

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 $157	Free Cancellation	Rating 5.6 145 reviews	Search VietJet Air flights
Vietnam Airlines	PriceFrom $210	Free Cancellation	Rating 7.5 197 reviews	Search Vietnam Airlines flights
Korean Air	PriceFrom $227	Free Cancellation	Rating 8.4 1,121 reviews	Search Korean Air flights
Asiana Airlines	PriceFrom $227	Free Cancellation	Rating 8.2 468 reviews	Search Asiana Airlines flights

Korean Air Flights From Seoul to Hanoi
Korean Air is one of the most popular airlines flying from Seoul to Hanoi, operating 28 flights/week on average for this route. A good Korean Air flight deal for Seoul to Hanoi starts from $227 round-trip, up to an average price of $359. 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 $227, round-trip. It should be noted that an average Asiana Airlines flight deal for this route in this time was higher, at $321 round-trip. Asiana Airlines operates 10 flights out of Seoul into Hanoi in an average week, so prices vary by time and availability. 468 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.