Cheap flights from Seoul to Irkutsk from $636 GMP, ICN → IKT
Gimpo International Airport (GMP), Incheon International Airport (ICN) → Irkutsk International Airport (IKT)
The cheapest return found recently is $636 with Air China, 10 Apr 2027 – 29 Apr 2027, found 2 days ago.
- Cheapest return found recently
- $636, 10 Apr 2027 to 29 Apr 2027
- Usual return price
- $549 to $652
- Cheapest month to fly
- December 2026, return fares from $541 found in the last 7 days
Return
The cheapest return fare on each of 13 departure dates is usually $549 to $652.
Cheapest return found recently
$636
10 Apr 2027 – 29 Apr 2027 · Air China
Incheon International Airport (ICN) → Irkutsk International Airport (IKT)
Leaves 3:30 p.m. · Return leaves 12:05 p.m. · 43 h 35 min of travel, both ways together
out 1 stop, back 1 stop · via Beijing Daxing International Airport (PKX), Beijing Capital International Airport (PEK) · change of airport Beijing Daxing International Airport (PKX) to Beijing Capital International Airport (PEK) · overnight connection · 20 h connection
found 2 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$636 10 Apr 2027 – 29 Apr 2027found 2 days agoSee prices for these dates
$541 18 Dec – 11 Jan 2027found 3 days agoSee prices for these dates
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $504 to $665.
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 13 departure dates from 18 Dec to 26 May 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 19-night return fares leaving within 3 days of 10 Apr 2027 to compare.
Every date we hold
91 fares on 13 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 18 Dec – 11 Jan 2027 | $541 | Air China | Gimpo International Airport (GMP) → Irkutsk International Airport (IKT) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 20 Dec – 7 Jan 2027 | $579 | Air China | Incheon International Airport (ICN) → Irkutsk International Airport (IKT) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 21 Dec – 7 Jan 2027 | $549 | Air China | Incheon International Airport (ICN) → Irkutsk International Airport (IKT) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 22 Dec – 10 Jan 2027 | $541 | Air China | Incheon International Airport (ICN) → Irkutsk International Airport (IKT) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 25 Dec – 17 Jan 2027 | $541 | Air China | Incheon International Airport (ICN) → Irkutsk International Airport (IKT) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 29 Dec – 6 Jan 2027 | $563 | Air China | Gimpo International Airport (GMP) → Irkutsk International Airport (IKT) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 10 Jan 2027 – 21 Feb 2027 | $652 | Air China | Gimpo International Airport (GMP) → Irkutsk International Airport (IKT) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 17 Jan 2027 – 29 Jan 2027 | $628 | Air China | Gimpo International Airport (GMP) → Irkutsk International Airport (IKT) | out 1 stop, back 1 stop | found 8 days ago | See prices for these dates |
| 10 Apr 2027 – 29 Apr 2027 | $636 | Air China | Incheon International Airport (ICN) → Irkutsk International Airport (IKT) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 11 Apr 2027 – 29 Apr 2027 | $837 | Air China | Incheon International Airport (ICN) → Irkutsk International Airport (IKT) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 12 Apr 2027 – 26 Apr 2027 | $673 | Air China | Incheon International Airport (ICN) → Irkutsk International Airport (IKT) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 13 Apr 2027 – 28 Apr 2027 | $636 | Air China | Incheon International Airport (ICN) → Irkutsk International Airport (IKT) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 26 May 2027 – 9 Jun 2027 | $760 | Korean Air | Incheon International Airport (ICN) → Irkutsk International Airport (IKT) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $541.
Airlines on the cheapest dates: Air China, Korean Air.
Premium cabin fares from Seoul to Irkutsk
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 10 Apr 2027 – 29 Apr 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Seoul to Irkutsk?
Return
Fares 30 to 59 days before departure were typically 19% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (49 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 | $672 | $564 | +24% | 14 |
| 7–13 days | $616 | $544 | +14% | 23 |
| 14–29 days | $632 | $549 | +17% | 33 |
| 30–59 days | $542 | $504 | Cheapest seen | 43 |
| 60–89 days | $594 | $546 | +10% | 42 |
| 90–179 days | $720 | $636 | +33% | 46 |
| 180+ days | $824 | $760 | +52% | 34 |
Live price for these dates
The cheapest return found recently is for 10 Apr 2027 – 29 Apr 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Seoul to Irkutsk?
The cheapest return found recently is $636 with Air China, 10 Apr 2027 to 29 Apr 2027, found 2 days ago. The cheapest return we hold, of any age, is $541 with Air China, 18 Dec to 11 Jan 2027, found 3 days ago. The cheapest return fare on each of 13 departure dates is usually $549 to $652.
What is the cheapest month to fly from Seoul to Irkutsk?
December 2026 is the cheapest month for a return, from $541, 18 Dec to 11 Jan 2027, found 3 days ago.
How far ahead should I book a flight from Seoul to Irkutsk?
In 49 days of prices between 24 Sept and 11 Nov, return fares 30 to 59 days before departure were typically 19% lower than 0 to 6 days before departure.
Which airlines have the cheapest flights from Seoul to Irkutsk?
Between 18 Dec and 26 May 2027, Air China has the cheapest return on 12 of the 13 departure dates we hold, and Korean Air on 1.
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