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

$130

Rossiya Airlines

1 layover

13h 5m

10/10/2026

The cheapest one-way flight from Saint Petersburg to Irkutsk departs on 10/10/2026, is operated by Rossiya Airlines and costs $130

Cheapest round trip flight

$260

S7 Airlines

Direct flight

12h 40m

11/10/2026

The cheapest roundtrip flight from Saint Petersburg to Irkutsk departs on 11/10/2026, is operated by S7 Airlines and costs $260

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 4 days a week: Su, Th, Fr, and Sa

Earliest flight

12:25 PM

Latest flight

12:30 AM

Average flight duration

6h 9m

Direct flights count

21

Distance

4414km

Timezone difference

5h

The distance between Saint Petersburg and Irkutsk is 4414km (2737 miles). The average flight duration is 6h 9m. There are 21 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 12:30 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 $128 (October 2026) to $340 (July 2027). On average, the ticket price is about $210–$233.

October 2026

Lowest price

on average:

$128

July 2027

Highest price

on average:

$340

Avg Price

Price dynamics

Flight prices from Saint Petersburg to Irkutsk are steadily rising: from October 2026 to September 2027, ticket costs increased by 109%. The sooner you book, the better the deal.

Cheaper and more expensive periods

The most significant price increase was from October 2026 to July 2027 — up 165%. The best time to fly is October 2026–November 2026, when the average price is $138. In July 2027–August 2027, tickets cost around $304.

Best time to buy

Given the rising prices, it's best not to delay your purchase. Flying in October 2026–November 2026 can save you up to 55% compared to the most expensive months.

Price predictability

Price variation across months on this route is 30.5%. Your choice of departure month significantly affects the total flight cost.

Airlines operating on route

More than 10 airlines operate flights from Saint Petersburg to Irkutsk, including Aeroflot, S7 Airlines, Rossiya Airlines, Pobeda, Smartavia, Nordwind Airlines, Pegas Fly, Ural Airlines, NordStar, and China Eastern Airlines. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $130, 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 $201

starting at $172

starting at $130

starting at $137

starting at $139

starting at $146

starting at $146

starting at $161

starting at $207

China Eastern Airlines

starting at $666

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

10/15/2026

Departure

Direct flight

SU2932

starting at $201

Saint Petersburg — Irkutsk

LED — IKT

11/20/2026

Departure

Direct flight

SU2874

starting at $202

Saint Petersburg — Irkutsk

LED — IKT

11/13/2026

Departure

Direct flight

S76410

starting at $202

Saint Petersburg — Irkutsk

LED — IKT

12/11/2026

Departure

Direct flight

S76410

starting at $202

Saint Petersburg — Irkutsk

LED — IKT

11/14/2026

Departure

Direct flight

S76410

starting at $202

Saint Petersburg — Irkutsk

LED — IKT

03/12/2027

Departure

Direct flight

SU2874

starting at $217

Saint Petersburg — Irkutsk

LED — IKT

03/07/2027

Departure

Direct flight

SU2874

starting at $217

Saint Petersburg — Irkutsk

LED — IKT

03/14/2027

Departure

Direct flight

SU2874

starting at $217

Saint Petersburg — Irkutsk

LED — IKT

12/20/2026

Departure

Direct flight

SU2874

starting at $217

Saint Petersburg — Irkutsk

LED — IKT

03/26/2027

Departure

Direct flight

SU2874

starting at $217

Schedule of direct flights from Saint Petersburg to Irkutsk

The airlines on the Saint Petersburg — Irkutsk route each fly on specific days: S7 Airlines flies every day except Saturday. Aeroflot flies on Monday, Tuesday, Thursday, and Saturday. Ural Airlines flies on Sunday, Tuesday, Thursday, and Saturday.

S7 Airlines

Su, Mo, Tu, We, Th, and Fr

starting at $202

Aeroflot

Mo, Tu, Th, and Sa

starting at $109

Ural Airlines

Su, Tu, Th, and Sa

starting at $148

Saint Petersburg airports overview

Pulkovo Airport

•

LED

15km

Serves Saint Petersburg, Russia, with domestic and international flights and regular bus, taxi, and shuttle connections to the city center.

•

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 $130

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: October, November, December.

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: Aeroflot, S7 Airlines

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

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