- Cheapest fare
- $218
- Cheapest month
- December
- Direct flights
- Not recently
- Quickest trip
- 6h 50m
S7 Airlines · Thu, Dec 3
from $218
Usually 1+ stop
4,170 km
Get a price alert
We'll email you when Saint Petersburg → Ust-Kut drops to your price. It's free, and you can stop any time.
Today's cheapest fare is $218. We'll send one email to confirm. See our privacy policy.
Cheapest month to fly from Saint Petersburg to Ust-Kut
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in December 2026
The lowest fares we've seen for each day, cheapest first.
Plan the rest of your trip to Ust-Kut
Where to stay, what to do and getting around, from our travel partners.
About flights from Saint Petersburg to Ust-Kut
Saint Petersburg (LED) and Ust-Kut (UKX) are about 4,170 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 6h 50m. Over the next few months, one-way fares start from $218, and December 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Saint Petersburg to Ust-Kut?
The cheapest one-way fare we've seen recently is $218 with S7 Airlines, departing Thursday, December 3, 2026. Over the coming months, the lowest fare in each month ranges from $218 to $800.
What is the cheapest month to fly from Saint Petersburg to Ust-Kut?
December 2026 currently has the lowest fares, from $218 one way.
Are there direct flights from Saint Petersburg to Ust-Kut?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Saint Petersburg to Ust-Kut?
The quickest journey we've seen takes about 6h 50m. Saint Petersburg and Ust-Kut are around 4,170 km apart.
Which airlines fly from Saint Petersburg to Ust-Kut?
Recent fares on this route were with Aeroflot, S7 Airlines, Smartavia, Nordwind Airlines and Pobeda.
More cheap flights from Saint Petersburg
- Saint Petersburg to Moscowfrom $59
- Saint Petersburg to Kaliningradfrom $122
- Saint Petersburg to Tashkentfrom $102
- Saint Petersburg to Kazanfrom $389
- Saint Petersburg to Istanbulfrom $132
- Saint Petersburg to Antalyafrom $157
- Saint Petersburg to Makhachkalafrom $229
- Saint Petersburg to Adler/Sochifrom $193
- Saint Petersburg to Minskfrom $298
- Saint Petersburg to Yekaterinburgfrom $212
- Saint Petersburg to Krasnodarfrom $92
- Saint Petersburg to Urgenchfrom $210