Haiphong to Seoul HPH → ICN
Cat Bi International Airport (HPH) → Incheon International Airport (ICN)
The cheapest return found recently is $224 with Vietjet, 3 Nov – 15 Nov, found yesterday. The cheapest one-way found recently is $105 with Vietjet, 5 Nov, found yesterday.
Return
The cheapest return fare on each of 7 departure dates is usually $226 to $259.
Cheapest return found recently
$224
3 Nov – 15 Nov · Vietjet
Cat Bi International Airport (HPH) → Incheon International Airport (ICN)
Leaves 4:15 p.m. · Return leaves 7:00 p.m. · 27 h 15 min of travel, both ways together
out 1 stop, back 1 stop
found yesterday
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$224 3 Nov – 15 Novfound yesterdaySee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 17 days, 2 Oct to 18 Oct, the cheapest return we saw each day was $199 to $246.
17 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 7 departure dates from 27 Oct to 7 Nov, 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 12-night return fares leaving within 3 days of 3 Nov to compare.
Every date we hold
20 fares on 7 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 27 Oct – 3 Nov | $261 | Vietjet | Cat Bi International Airport (HPH) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 28 Oct – 3 Nov | $246 | Vietjet | Cat Bi International Airport (HPH) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 3 Nov – 15 Nov | $224 | Vietjet | Cat Bi International Airport (HPH) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 4 Nov – 14 Nov | $227 | Vietjet | Cat Bi International Airport (HPH) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 5 Nov – 15 Nov | $224 | Vietjet | Cat Bi International Airport (HPH) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 6 Nov – 15 Nov | $281 | Vietjet | Cat Bi International Airport (HPH) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 7 Nov – 11 Nov | $257 | Vietjet | Cat Bi International Airport (HPH) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $224.
Airlines on the cheapest dates: Vietjet.
One-way
The cheapest one-way fare on each of 5 departure dates is usually $105 to $119.
Cheapest one-way found recently
$105
5 Nov · Vietjet
Cat Bi International Airport (HPH) → Incheon International Airport (ICN)
Leaves 4:15 p.m. · 13 h trip
1 stop
found yesterday
Cheapest nonstop one-way
$120
21 Nov · Vietjet
Cat Bi International Airport (HPH) → Incheon International Airport (ICN)
Leaves 11:45 p.m. · 4 h 15 min trip
nonstop
found yesterday
Found recently, and the cheapest we hold
$105 5 Novfound yesterdayOpen this trip
$82 28 Novfound 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 $74 to $105.
At $105, the cheapest one-way found recently is at the high end of 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 5 departure dates from 5 Nov to 3 Jan 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 5 Nov to compare.
Every date we hold
5 fares on 5 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 5 Nov | $105 | Vietjet | Cat Bi International Airport (HPH) → Incheon International Airport (ICN) | 1 stop | found yesterday | Open this trip |
| 13 Nov | $119 | Vietjet | Cat Bi International Airport (HPH) → Incheon International Airport (ICN) | nonstop | found 3 days ago | Open this trip |
| 21 Nov | $120 | Vietjet | Cat Bi International Airport (HPH) → Incheon International Airport (ICN) | nonstop | found yesterday | Open this trip |
| 28 Nov | $82 | Vietjet | Cat Bi International Airport (HPH) → Incheon International Airport (ICN) | nonstop | found 6 days ago | Open this trip |
| 3 Jan 2027 | $105 | Vietjet | Cat Bi International Airport (HPH) → Incheon International Airport (ICN) | nonstop | found 4 days ago | Open this trip |
Which month looks cheapest?
November 2026 is the cheapest month — from $82.
Airlines on the cheapest dates: Vietjet.
Premium cabin fares from Haiphong to Seoul
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 3 Nov – 15 Nov in another cabin: Premium economy · Business · First
Today's prices for 5 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Haiphong to Seoul?
Return
Not enough history yet: in 17 days of return prices, 2 Oct to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.
One-way
Fares 30 to 59 days before departure were typically 8% lower than 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 | $83 | $76 | +9% | 14 |
| 30–59 days | $76 | $74 | Cheapest seen | 17 |
| 60–89 days | $83 | $75 | +9% | 10 |
| 180+ days | $136 | $136 | +79% | 7 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Hanoi → Seoul
91 km from Haiphong
$230
$6 more than flying from Haiphong
2 Feb 2027 – 12 Feb 2027 · HAN → ICN · out nonstop, back nonstop
found yesterday
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 3 Nov – 15 Nov. 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