Cheap Flights from Saint Petersburg to Irkutsk

Cheapest flights from Saint Petersburg to Irkutsk

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 Saint Petersburg to Irkutsk. 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

$183

Smartavia

1 layover

1d 8h 50m

09/10/2026

The cheapest one-way flight from Saint Petersburg to Irkutsk departs on 09/10/2026, is operated by Smartavia and costs $183

Cheapest round trip flight

$313

Ural Airlines

1 layover

2d 5h 15m

07/23/2026

The cheapest roundtrip flight from Saint Petersburg to Irkutsk departs on 07/23/2026, is operated by Ural Airlines and costs $313

The fastest flight

5h 50m

Fastest flight from Saint Petersburg to Irkutsk takes 5h 50m

Direct flights

Several times a week

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

Earliest flight

12:25 PM

Latest flight

12:25 AM

Average flight duration

6h 10m

Direct flights count

20

Distance

4419km

Timezone difference

5h

The distance between Saint Petersburg and Irkutsk is 4419km (2740 miles). The average flight duration is 6h 10m. There are 20 direct flights from Saint Petersburg to Irkutsk. The time difference between Saint Petersburg and Irkutsk is 5h. Flights from Saint Petersburg begin at 12:25 PM. The latest flight from Saint Petersburg departs at 12:25 AM

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

Airfare from Saint Petersburg to Irkutsk by month

The cost of a one-way flight from Saint Petersburg to Irkutsk ranges from $183 (September 2026) to $286 (February 2027). On average, the ticket price is about $222–$431.

September 2026

Lowest price

on average:

$183

February 2027

Highest price

on average:

$286

Avg Price

Price dynamics

On the Saint Petersburg — Irkutsk route, prices first decline, hit a low, then start rising again. The middle of the period creates a price window — the best time to book.

Cheaper and more expensive periods

Prices fall from June 2026 to September 2026 (10%), then rise from September 2026 to February 2027 (+56%). The best period is August 2026–September 2026 ($186), the most expensive is January 2027–February 2027 ($276).

Best time to buy

The best time to buy is August 2026–September 2026, when prices are at their lowest. This can save you up to 33% compared to the expensive months (January 2027–February 2027).

Price predictability

Monthly price variation is 16.8%. On this route, your departure date noticeably affects the cost, and choosing wisely can lead to real savings.

Airlines operating on route

More than 7 airlines operate flights from Saint Petersburg to Irkutsk, including Ural Airlines, Aeroflot, Smartavia, Pobeda, Nordwind Airlines, S7 Airlines, and Rossiya Airlines. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $183, 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 $187

starting at $223

starting at $183

starting at $194

starting at $210

starting at $238

starting at $288

Non-stop flights from Saint Petersburg to Irkutsk

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

Saint Petersburg — Irkutsk

LED — IKT

06/09/2026

Departure

Direct flight

U6365

starting at $220

Saint Petersburg — Irkutsk

LED — IKT

10/11/2026

Departure

Direct flight

U6365

starting at $222

Saint Petersburg — Irkutsk

LED — IKT

06/06/2026

Departure

Direct flight

SU2932

starting at $223

Saint Petersburg — Irkutsk

LED — IKT

10/28/2026

Departure

Direct flight

SU2874

starting at $226

Saint Petersburg — Irkutsk

LED — IKT

06/05/2026

Departure

Direct flight

SU2932

starting at $226

Saint Petersburg — Irkutsk

LED — IKT

11/08/2026

Departure

Direct flight

SU2874

starting at $227

Saint Petersburg — Irkutsk

LED — IKT

11/15/2026

Departure

Direct flight

SU2874

starting at $227

Saint Petersburg — Irkutsk

LED — IKT

11/29/2026

Departure

Direct flight

SU2874

starting at $227

Saint Petersburg — Irkutsk

LED — IKT

09/28/2026

Departure

Direct flight

SU2932

starting at $227

Saint Petersburg — Irkutsk

LED — IKT

10/19/2026

Departure

Direct flight

SU2932

starting at $227

Schedule of direct flights from Saint Petersburg to Irkutsk

A few airlines fly the Saint Petersburg — Irkutsk route, but only one operates daily: Aeroflot flies every day. S7 Airlines flies every day except Wednesday and Thursday. Ural Airlines only flies on Sunday, Tuesday, and Thursday.

Aeroflot

Every day

starting at $223

S7 Airlines

Su, Mo, Tu, Fr, and Sa

starting at $308

Ural Airlines

Su, Tu, and Th

starting at $220

Saint Petersburg airports overview

Pulkovo Airport

•

LED

15km

•

Irkutsk airports overview

Irkutsk International Airport

•

IKT

•

Frequently asked questions (FAQ)

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

What is the cheapest price for flights from Saint Petersburg to Irkutsk?

The cheapest flight ticket from Saint Petersburg to Irkutsk according to data for the last 48 hours costs $183

When is the best time to buy air tickets on the route Saint Petersburg — Irkutsk?

Often the best time to buy tickets from Saint Petersburg to Irkutsk is 2 months before departure.

When is the cheapest time of year to fly from Saint Petersburg to Irkutsk?

Based on statistics over the past years, the lowest prices for flights from Saint Petersburg to Irkutsk can be found flying in these months: September, July, August.

How long does it take to fly from Saint Petersburg to Irkutsk?

The fastest flights from Saint Petersburg to Irkutsk start from 5 hours 50 minutes in the air.

Which airline can fly direct from Saint Petersburg to Irkutsk?

The following airlines operate direct flights on the route Saint Petersburg — Irkutsk: Ural Airlines, Aeroflot

Special offers and sales on air tickets from Saint Petersburg to Irkutsk

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 Saint Petersburg to Irkutsk

Alternative routes

Cherepovets ➜ Irkutsk•Helsinki ➜ Irkutsk•Jyvaskyla ➜ Irkutsk•Kuopio ➜ Irkutsk•Petrozavodsk ➜ Irkutsk•Pskov ➜ Irkutsk•Tallinn ➜ Irkutsk•Tampere ➜ Irkutsk•Saint Petersburg ➜ Altay•Saint Petersburg ➜ Abakan•Saint Petersburg ➜ Bratsk•Saint Petersburg ➜ Chita•Saint Petersburg ➜ Kemerovo•Saint Petersburg ➜ Kyzyl•Saint Petersburg ➜ Novokuznetsk•Saint Petersburg ➜ Manzhouli•Saint Petersburg ➜ Ulaanbaatar•Saint Petersburg ➜ Ulan-Ude

•••••••••••••••••••

Cheapest one way flight

$183

Smartavia

1 layover

1d 8h 50m

09/10/2026

The cheapest one-way flight from Saint Petersburg to Irkutsk departs on 09/10/2026, is operated by Smartavia and costs $183

Cheapest round trip flight

$313

Ural Airlines

1 layover

2d 5h 15m

07/23/2026

The cheapest roundtrip flight from Saint Petersburg to Irkutsk departs on 07/23/2026, is operated by Ural Airlines and costs $313

The fastest flight