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Cheap flights from Seoul to Hanoi

One-way from $91, found by travellers in the last 7 days. The live price is checked when you book.

Departure
Return
Prices for nearby dates
Thu, Mar 4Any priceFri, Mar 5Any priceSat, Mar 6Any priceSun, Mar 7$91Mon, Mar 8Any priceTue, Mar 9Any priceWed, Mar 10Any priceThu, Mar 11Any price

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Booking opens on Aviasales, which shows baggage, fare rules and the live price.

Cheapest
$91
Vietjet, flight VJ 961Found 4 days ago, 1 adult
Check live price
11:05amSeoulSun, Mar 7
Travel time 5h 5m, nonstopICNHAN
2:10pmHanoiSun, Mar 7
$93
Vietjet, flight VJ 961Found 5 days ago, 1 adult
Check live price
11:05amSeoulTue, Mar 2
Travel time 5h 5m, nonstopICNHAN
2:10pmHanoiTue, Mar 2
$94
Vietjet, flight VJ 963Found 2 days ago, 1 adult
Check live price
6:25amSeoulMon, Apr 5
Travel time 4h 30m, nonstopICNHAN
8:55amHanoiMon, Apr 5
$96
Vietjet, flight VJ 961Found 2 days ago, 1 adult
Check live price
11:05amSeoulMon, May 17
Travel time 4h 30m, nonstopICNHAN
1:35pmHanoiMon, May 17
$99
Vietjet, flight VJ 961Found 3 days ago, 1 adult
Check live price
11:05amSeoulSat, Jun 19
Travel time 4h 30m, nonstopICNHAN
1:35pmHanoiSat, Jun 19

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

  • Mobile data in VietnamTravel eSIM from $4, installed before you fly.
    Compare plans
  • Getting from the airportTransfers and car hire in Hanoi, booked ahead at a fixed price.
    See options
  • Things to do in HanoiPopular tours from $19.43 per person.
    See ideas
  • Travel insuranceTravel insurance quotes for Vietnam from EKTA; check what each policy covers.
    Get a quote
  • Flight delayed?Delayed or cancelled? See which passenger rights cover this route.
    Check

Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu12345678910111213141516171819202122232425$12226$11827$12128–29$12430$11931$108

November 2026

MoTuWeThFrSaSu1$1152$1253$1264–5$1266$1287–8–9$11010$11111$14812$13813$12914$11415$12516$11817–18–19$13420–21$10622$11323$11724–25–26–27$12828$10929$11430$100

December 2026

MoTuWeThFrSaSu1–2–3–4$1615$1286–7–8$1039$10410$11911–12–13–14–15–16–17$12418$12219$15320$14621$15122–23$1642425262728293031
$106 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Nov 30, $100.

Lowest fares by month

In the fares found this week, March 2027 has the lowest: from $91 one-way, against $153 in January 2027. Pick a month to see its cheapest date.

  1. Oct$108
  2. Nov$100
  3. Dec$103
  4. Jan$153
  5. Feb$121
  6. Mar$91
  7. Apr$94
  8. May$96
  9. Jun$99
  10. Jul$99
  11. Augno fares yet
  12. Sepno fares yet
$0$100$200OctNovDecJanFeb$91MarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October$108Sat, Oct 31Nonstop
November$100Mon, Nov 30Nonstop
December$103Tue, Dec 8Nonstop
January 2027$153Thu, Jan 212 stops
February 2027$121Tue, Feb 9Nonstop
March 2027$91Sun, Mar 7Nonstop
April 2027$94Mon, Apr 5Nonstop
May 2027$96Mon, May 17Nonstop
June 2027$99Sat, Jun 19Nonstop
July 2027$99Fri, Jul 9Nonstop
August 2027—
September 2027—

Fares and weather by month

The lowest one-way fare found for each month, next to the weather in Hanoi. Average daily high and low and monthly precipitation, 1991–2020 normals.

Oct2026NovDecJan2027FebMarAprMayJunJulAugSep
Lowest fare$108$100$103$153$121$91$94$96$99$99––
High °C30°27°21°20°22°26°29°33°35°34°33°32°
Low °C23°20°14°14°16°21°22°25°27°27°26°25°
Precipitation mm1556120202036104165264254274228

Source: Hanoi on Wikipedia, CC BY-SA 4.0.

Questions travellers ask

What is the cheapest month to fly from Seoul to Hanoi?

In the fares found this week, March 2027 has the lowest: from $91 one-way, against $153 in January 2027.

What is the weather in Hanoi in March 2027?

In March 2027, the cheapest month to fly, the average daily high in Hanoi is 26 °C and the low 21 °C.

Are there direct flights from Seoul to Hanoi?

Yes. Recent fares include nonstop flights with Jeju Air, Vietjet, Sun PhuQuoc Airways and Parata Air.

How long is the flight from Seoul to Hanoi?

A nonstop flight takes about 4h 30m. The distance is 1,667 mi.

Which day of the week is cheapest to fly?

In the fares we have, Saturday departures are the cheapest, with a typical lowest fare of $109. Wednesday is the priciest at about $156.

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