Cheap Flights from Seoul to Hanoi

Cheapest flights from Seoul to Hanoi

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Seoul to Hanoi. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$98

VietjetAir

Direct flight

5h 5m

03/20/2027

The cheapest one-way flight from Seoul to Hanoi departs on 03/20/2027, is operated by VietjetAir and costs $98

Cheapest round trip flight

$183

VietjetAir

Direct flight

8h 45m

05/24/2027

The cheapest roundtrip flight from Seoul to Hanoi departs on 05/24/2027, is operated by VietjetAir and costs $183

The fastest flight

4h 30m

Fastest flight from Seoul to Hanoi takes 4h 30m

Direct flights

Several times a week

There are direct flights on this route 6 days a week: Su, Mo, Tu, Th, Fr, and Sa

Earliest flight

6:25 AM

Latest flight

8:40 PM

Average flight duration

4h 34m

Direct flights count

81

Distance

2741km

Timezone difference

2h

The distance between Seoul and Hanoi is 2741km (1699 miles). The average flight duration is 4h 34m. There are 81 direct flights from Seoul to Hanoi. The time difference between Seoul and Hanoi is 2h. Flights from Seoul begin at 6:25 AM. The latest flight from Seoul departs at 8:40 PM

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Seoul to Hanoi by month

The cost of a one-way flight from Seoul to Hanoi ranges from $83 (October 2026) to $232 (February 2027). On average, the ticket price is about $117–$201.

October 2026

Lowest price

on average:

$83

February 2027

Highest price

on average:

$232

Avg Price

Price dynamics

Flight costs from Seoul to Hanoi climb toward the middle of the period, then start to drop. By choosing the right dates, you can save noticeably.

Cheaper and more expensive periods

Prices rise from October 2026 to February 2027 (+180%), then decline from April 2027 to June 2027 (4%). The cheapest tickets are in October 2026–November 2026 (averaging $83), while the priciest are in January 2027–February 2027 ($191).

Best time to buy

For savings, plan your flight for October 2026–November 2026 — you could save up to 56%. Try to avoid January 2027–February 2027 when possible: prices are at their highest then.

Price predictability

Price spread on this route is 38.1%. Costs depend heavily on the season, so flexibility in choosing your departure month is especially valuable here.

Airlines operating on route

More than 9 airlines operate flights from Seoul to Hanoi, including VietjetAir, Thai Smile, 9G Rail, Jeju Air, Eastar Jet, T'way Air, Shandong Airlines, China Eastern Airlines, and Philippine Airlines. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $98, and our service lets you instantly compare all options. The variety of offers simplifies planning: you can choose budget fares or more comfortable options with baggage included or extra services. We help you find the best deals so your trip is cost-efficient.

starting at $98

starting at $102

starting at $111

starting at $114

starting at $122

starting at $130

starting at $164

China Eastern Airlines

starting at $165

Philippine Airlines

starting at $207

Non-stop flights from Seoul to Hanoi

A non-stop flight is the most convenient and comfortable way to fly from Seoul to Hanoi, despite the fact that sometimes flights with transfers can cost significantly less.

Seoul — Hanoi

SEL — HAN

03/20/2027

Departure

Direct flight

VJ961

starting at $98

Seoul — Hanoi

SEL — HAN

03/26/2027

Departure

Direct flight

VJ961

starting at $98

Seoul — Hanoi

SEL — HAN

02/15/2027

Departure

Direct flight

VJ963

starting at $98

Seoul — Hanoi

SEL — HAN

02/16/2027

Departure

Direct flight

VJ963

starting at $98

Seoul — Hanoi

SEL — HAN

02/18/2027

Departure

Direct flight

VJ961

starting at $98

Seoul — Hanoi

SEL — HAN

02/19/2027

Departure

Direct flight

VJ961

starting at $98

Seoul — Hanoi

SEL — HAN

02/19/2027

Departure

Direct flight

VJ963

starting at $98

Seoul — Hanoi

SEL — HAN

02/21/2027

Departure

Direct flight

VJ961

starting at $98

Seoul — Hanoi

SEL — HAN

02/22/2027

Departure

Direct flight

VJ963

starting at $98

Seoul — Hanoi

SEL — HAN

02/23/2027

Departure

Direct flight

VJ963

starting at $98

Schedule of direct flights from Seoul to Hanoi

The majority of the 6 airlines on the Seoul — Hanoi route fly daily, while some operate only on certain days: Thai Smile, VietjetAir, Jeju Air, and Vietnam Airlines fly every day. Asiana Airlines flies every day except Monday. 9G Rail flies every day except Saturday.

Asiana Airlines

Su, Tu, We, Th, Fr, and Sa

starting at $181

Thai Smile

Every day

starting at $89

VietjetAir

Every day

starting at $82

Jeju Air

Every day

starting at $90

9G Rail

Su, Mo, Tu, We, Th, and Fr

starting at $67

Vietnam Airlines

Every day

starting at $132

Seoul airports overview

Gimpo International Airport

•

GMP

16km

Incheon International Airport

•

ICN

49km

•

Hanoi airports overview

Noi Bai International Airport

•

HAN

•

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

What is the cheapest price for flights from Seoul to Hanoi?

The cheapest flight ticket from Seoul to Hanoi according to data for the last 48 hours costs $98

When is the best time to buy air tickets on the route Seoul — Hanoi?

Often the best time to buy tickets from Seoul to Hanoi is 2 months before departure.

When is the cheapest time of year to fly from Seoul to Hanoi?

Based on statistics over the past years, the lowest prices for flights from Seoul to Hanoi can be found flying in these months: October, November, March.

How long does it take to fly from Seoul to Hanoi?

The fastest flights from Seoul to Hanoi start from 4 hours 30 minutes in the air.

Which airline can fly direct from Seoul to Hanoi?

The following airlines operate direct flights on the route Seoul — Hanoi: VietjetAir

Special offers and sales on air tickets from Seoul to Hanoi

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from Seoul to Hanoi

Alternative routes

•••••••••••••••••••

Cheapest one way flight

$98

VietjetAir

Direct flight

5h 5m

03/20/2027

The cheapest one-way flight from Seoul to Hanoi departs on 03/20/2027, is operated by VietjetAir and costs $98

Cheapest round trip flight

$183

VietjetAir

Direct flight

8h 45m

05/24/2027

The cheapest roundtrip flight from Seoul to Hanoi departs on 05/24/2027, is operated by VietjetAir and costs $183

The fastest flight

4h 30m

Fastest flight from Seoul to Hanoi takes 4h 30m

Direct flights

Several times a week

There are direct flights on this route 6 days a week: Su, Mo, Tu, Th, Fr, and Sa

Earliest flight

6:25 AM

Latest flight

8:40 PM

Average flight duration

4h 34m

Direct flights count

81

Distance

2741km

Timezone difference

2h

Price dynamics

Flight costs from Seoul to Hanoi climb toward the middle of the period, then start to drop. By choosing the right dates, you can save noticeably.

Cheaper and more expensive periods

Best time to buy

For savings, plan your flight for October 2026–November 2026 — you could save up to 56%. Try to avoid January 2027–February 2027 when possible: prices are at their highest then.

Price predictability

Price spread on this route is 38.1%. Costs depend heavily on the season, so flexibility in choosing your departure month is especially valuable here.

Seoul — Hanoi

SEL — HAN

03/20/2027

Departure

Direct flight

VJ961

starting at $98

Seoul — Hanoi

SEL — HAN

03/26/2027

Departure

Direct flight

VJ961

starting at $98

Seoul — Hanoi

SEL — HAN

02/15/2027

Departure

Direct flight

VJ963

starting at $98

Seoul — Hanoi

SEL — HAN

02/16/2027

Departure

Direct flight

VJ963

starting at $98

Seoul — Hanoi

SEL — HAN

02/18/2027

Departure

Direct flight

VJ961

starting at $98

Seoul — Hanoi

SEL — HAN

02/19/2027

Departure

Direct flight

VJ961

starting at $98

Seoul — Hanoi

SEL — HAN

02/19/2027

Departure

Direct flight

VJ963

starting at $98

Seoul — Hanoi

SEL — HAN

02/21/2027

Departure

Direct flight

VJ961

starting at $98

Seoul — Hanoi

SEL — HAN

02/22/2027

Departure

Direct flight

VJ963

starting at $98

Seoul — Hanoi

SEL — HAN

02/23/2027

Departure

Direct flight

VJ963

starting at $98

Asiana Airlines

Su, Tu, We, Th, Fr, and Sa

starting at $181

Thai Smile

Every day

starting at $89

VietjetAir

Every day

starting at $82

Jeju Air

Every day

starting at $90

9G Rail

Su, Mo, Tu, We, Th, and Fr

starting at $67

Vietnam Airlines

Every day

starting at $132

What is the cheapest price for flights from Seoul to Hanoi?

The cheapest flight ticket from Seoul to Hanoi according to data for the last 48 hours costs $98

When is the best time to buy air tickets on the route Seoul — Hanoi?

Often the best time to buy tickets from Seoul to Hanoi is 2 months before departure.

When is the cheapest time of year to fly from Seoul to Hanoi?

Based on statistics over the past years, the lowest prices for flights from Seoul to Hanoi can be found flying in these months: October, November, March.

How long does it take to fly from Seoul to Hanoi?

The fastest flights from Seoul to Hanoi start from 4 hours 30 minutes in the air.

Which airline can fly direct from Seoul to Hanoi?

The following airlines operate direct flights on the route Seoul — Hanoi: VietjetAir

Cheap Flights from Seoul to Hanoi

Compare airlines, prices, and flight durations for your trip

Cheapest flights from Seoul to Hanoi

Cheapest one way flight

$98

VietjetAir

Direct flight

5h 5m

03/20/2027

Cheapest round trip flight

$183

VietjetAir

Direct flight

8h 45m

05/24/2027

The fastest flight

4h 30m

Direct flights

Several times a week

Earliest flight

6:25 AM

Latest flight

8:40 PM

Average flight duration

4h 34m

Direct flights count

81

Distance

2741km

Timezone difference

2h

Airfare from Seoul to Hanoi by month

October 2026

on average:

$83

February 2027

on average:

$232

Price dynamics

Cheaper and more expensive periods

Best time to buy

Price predictability

Airlines operating on route

Non-stop flights from Seoul to Hanoi

Schedule of direct flights from Seoul to Hanoi

Seoul airports overview

Gimpo International Airport

Incheon International Airport

Hanoi airports overview

Noi Bai International Airport

Frequently asked questions (FAQ)

Special offers and sales on air tickets from Seoul to Hanoi

Alternative routes

Cheapest one way flight

$98

VietjetAir

Direct flight

5h 5m

03/20/2027

Cheapest round trip flight

$183

VietjetAir

Direct flight

8h 45m

05/24/2027

The fastest flight

4h 30m

Direct flights

Several times a week

Earliest flight

6:25 AM

Latest flight

8:40 PM

Average flight duration

4h 34m

Direct flights count

81

Distance

2741km

Timezone difference