Seoul to Hanoi GMP, ICN → HAN
Gimpo International Airport (GMP), Incheon International Airport (ICN) → Noi Bai International Airport (HAN)
The cheapest return found recently is $260 with Jeju Air, 14 Nov – 8 Dec, found 2 days ago. The cheapest one-way found recently is $103 with Vietjet, 15 Feb 2027, found 3 days ago.
Return
The cheapest return fare on each of 6 departure dates is usually $253 to $268.
Cheapest return found recently
$260
14 Nov – 8 Dec · Jeju Air
Incheon International Airport (ICN) → Noi Bai International Airport (HAN)
Leaves 9:20 p.m. · Return leaves 2:50 a.m. · 14 h 55 min of travel, both ways together
out nonstop, back 1 stop
found 2 days ago
Cheapest nonstop return
$266
14 Nov – 10 Dec · Jeju Air
Incheon International Airport (ICN) → Noi Bai International Airport (HAN)
Leaves 9:20 p.m. · Return leaves 1:45 a.m. · 9 h 30 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Found recently, and the cheapest we hold
$260 14 Nov – 8 Decfound 2 days agoSee prices for these dates
$225 9 Dec – 16 Decfound 3 days agoSee prices for these dates
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $170 to $225.
At $260, the cheapest return found recently is above that range.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 6 departure dates from 14 Nov to 10 Feb 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 24-night return fares leaving within 3 days of 14 Nov to compare.
Every date we hold
16 fares on 6 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 14 Nov – 8 Dec | $260 | Jeju Air | Incheon International Airport (ICN) → Noi Bai International Airport (HAN) | out nonstop, back 1 stop | found 2 days ago | See prices for these dates |
| 16 Nov – 28 Nov | $254 | Sun PhuQuoc Airways | Incheon International Airport (ICN) → Noi Bai International Airport (HAN) | out 1 stop, back nonstop | found 6 days ago | See prices for these dates |
| 28 Nov – 28 Nov | $253 | Sun PhuQuoc Airways | Incheon International Airport (ICN) → Noi Bai International Airport (HAN) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 9 Dec – 16 Dec | $225 | Vietjet | Incheon International Airport (ICN) → Noi Bai International Airport (HAN) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 24 Dec – 2 Jan 2027 | $271 | China Eastern | Incheon International Airport (ICN) → Noi Bai International Airport (HAN) | out 2 stops, back 1 stop | found 4 days ago | See prices for these dates |
| 10 Feb 2027 – 24 Feb 2027 | $408 | Philippine Airlines | Incheon International Airport (ICN) → Noi Bai International Airport (HAN) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $225.
Airlines on the cheapest dates: Sun PhuQuoc Airways, Jeju Air, Vietjet, China Eastern, Philippine Airlines.
One-way
The cheapest one-way fare on each of 9 departure dates is usually $96 to $96.
Cheapest one-way found recently
$103
15 Feb 2027 · Vietjet
Incheon International Airport (ICN) → Noi Bai International Airport (HAN)
Leaves 6:25 a.m. · 5 h 5 min trip
nonstop
found 3 days ago
Cheapest nonstop one-way
$103
15 Feb 2027 · Vietjet
Incheon International Airport (ICN) → Noi Bai International Airport (HAN)
Leaves 6:25 a.m. · 5 h 5 min trip
nonstop
found 3 days ago
Found recently, and the cheapest we hold
$103 15 Feb 2027found 3 days agoOpen this trip
$95 20 Mar 2027found 6 days agoOpen this trip
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $73 to $96.
At $103, the cheapest one-way found recently is above that range.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 9 departure dates from 15 Feb 2027 to 26 Mar 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 15 Feb 2027 to compare.
Every date we hold
9 fares on 9 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 15 Feb 2027 | $103 | Vietjet | Incheon International Airport (ICN) → Noi Bai International Airport (HAN) | nonstop | found 3 days ago | Open this trip |
| 19 Feb 2027 | $96 | Vietjet | Incheon International Airport (ICN) → Noi Bai International Airport (HAN) | nonstop | found 4 days ago | Open this trip |
| 20 Feb 2027 | $96 | Vietjet | Incheon International Airport (ICN) → Noi Bai International Airport (HAN) | nonstop | found 4 days ago | Open this trip |
| 21 Feb 2027 | $96 | Vietjet | Incheon International Airport (ICN) → Noi Bai International Airport (HAN) | nonstop | found 4 days ago | Open this trip |
| 22 Feb 2027 | $96 | Vietjet | Incheon International Airport (ICN) → Noi Bai International Airport (HAN) | nonstop | found 4 days ago | Open this trip |
| 23 Feb 2027 | $96 | Vietjet | Incheon International Airport (ICN) → Noi Bai International Airport (HAN) | nonstop | found 4 days ago | Open this trip |
| 24 Feb 2027 | $96 | Vietjet | Incheon International Airport (ICN) → Noi Bai International Airport (HAN) | nonstop | found 4 days ago | Open this trip |
| 20 Mar 2027 | $95 | Vietjet | Incheon International Airport (ICN) → Noi Bai International Airport (HAN) | nonstop | found 6 days ago | Open this trip |
| 26 Mar 2027 | $95 | Vietjet | Incheon International Airport (ICN) → Noi Bai International Airport (HAN) | nonstop | found 6 days ago | Open this trip |
Which month looks cheapest?
March 2027 is the cheapest month — from $95.
Airlines on the cheapest dates: Vietjet.
Premium cabin fares from Seoul to Hanoi
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 14 Nov – 8 Dec in another cabin: Premium economy · Business · First
Today's prices for 15 Feb 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Seoul to Hanoi?
Return
Fares 7 to 13 days before departure were typically 8% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $192 | $176 | +9% | 14 |
| 7–13 days | $176 | $171 | Cheapest seen | 12 |
| 14–29 days | $192 | $170 | +9% | 17 |
| 30–59 days | $208 | $185 | +18% | 25 |
| 60–89 days | $239 | $172 | +36% | 22 |
| 90–179 days | $252 | $217 | +43% | 25 |
| 180+ days | $192 | $176 | +9% | 16 |
One-way
The cheapest fares were 14 to 29 days before departure.
From the cheapest one-way each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 14–29 days | $73 | $73 | Cheapest seen | 8 |
| 90–179 days | $95 | $93 | +30% | 16 |
| 180+ days | $96 | $95 | +32% | 25 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Seoul → Haiphong
91 km from Hanoi
$303
$43 more than flying to Hanoi
13 Jan 2027 – 17 Jan 2027 · ICN → HPH · out 1 stop, back nonstop
found 2 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 14 Nov – 8 Dec. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work