Cheap flights from Chicago to Saint Petersburg from $607 ORD → LED

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $1,089 to $1,326.

At $1,562, the cheapest return found recently is above that range.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 21-night return fares leaving within 3 days of 25 Dec to compare.

Every date we hold

48 fares on 16 departure dates

Which month looks cheapest?

March 2027 is the cheapest month — from $1,222.

Found recently, and the cheapest we hold

It is also the cheapest one-way we hold, of any age.

What have prices looked like?

Over 46 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $437 to $932.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other one-way fares leaving within 3 days of 9 Sept 2027 to compare.

Every date we hold

1 fares on 1 departure dates

Return

Fares 90 to 179 days before departure were typically 18% 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.

One-way

The cheapest fares were 90 to 179 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (46 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.

How much is a return flight from Chicago to Saint Petersburg?

The cheapest return found recently is $1,562 with Turkish Airlines, 25 Dec to 15 Jan 2027, found 2 days ago. The cheapest return we hold, of any age, is $1,222 with Icelandair, 2 Mar 2027 to 27 Apr 2027, found 6 days ago. The cheapest return fare on each of 16 departure dates is usually $1,360 to $1,646.

How much is a one-way flight from Chicago to Saint Petersburg?

The cheapest one-way found recently is $607 with Lufthansa, 9 Sept 2027, found 6 days ago.

What is the cheapest month to fly from Chicago to Saint Petersburg?

March 2027 is the cheapest month for a return, from $1,222, 2 Mar 2027 to 27 Apr 2027, found 6 days ago.

How far ahead should I book a flight from Chicago to Saint Petersburg?

In 49 days of prices between 24 Sept and 11 Nov, return fares 90 to 179 days before departure were typically 18% lower than 0 to 6 days before departure. In 46 days of prices between 24 Sept and 11 Nov, one-way fares were cheapest 90 to 179 days before departure.

How long is the flight from Chicago to Saint Petersburg?

The cheapest one-way found recently, with Lufthansa on 9 Sept 2027, takes 25 h 45 min with 2 stops.

Which airlines have the cheapest flights from Chicago to Saint Petersburg?

Between 19 Nov and 22 Jul 2027, Turkish Airlines has the cheapest return on 6 of the 16 departure dates we hold, Icelandair on 4 and United Airlines on 2.