Cheap Flights from Kyiv (KBP) to St. Louis (STL)

Popular airlines from Boryspil Intl. Airport (KBP) to St. Louis Lambert Intl. Airport (STL)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Flights from Kyiv (KBP) to St. Louis (STL)
Origin airport
Boryspil Intl.
Destination airport
Lambert-St. Louis Intl.
Distance
5325 mi

Kyiv to St. Louis Flights

The cheapest times to fly from Kyiv to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kyiv to St. Louis are during the month of . You can find some of the cheapest flights from Kyiv to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kyiv to St. Louis

Sunday is one of the best days to book for cheap flights from Kyiv to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Kyiv to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kyiv to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kyiv to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kyiv to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

Is it cheaper to buy a plane ticket from Borispol Intl. Airport to STL last minute?
When it's time to book your flights, it's always better to be prepared. While it's possible to find a deal on a Borispol Intl. Airport (KBP) to STL flight at the last minute, prices usually don't get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 -- 35 days ahead. For international flights it's between three and four months.
What airports do you fly into for St. Louis from Kyiv?
With Lambert-St. Louis Intl. Airport (STL), Spirit of St. Louis Airport (SUS) and St. Louis Downtown Airport (CPS) to select from, journeying from Kyiv to St. Louis is no sweat. The city's major gateway, Lambert-St. Louis Intl. Airport (STL), is approximately 12 mi northwest of the center. Apart from ticket prices, consider things like transportation options from the airport and the distance to your hotel before making your decision. Get your St. Louis vacation off to a superb start by exploring Busch Stadium and Gateway Arch.
Can I change the date of my flight from KBP to STL?
It's so easy to make amendments to your KBP to Lambert Field journey yourself. Access your details via the Expedia Trips portal and click on "change flight." Search for new flights and lock in the one that fits your plans. You'll get an estimate of your flight change cost, if applicable. You can also use our Customer Service portal to connect with our Virtual Agent and quickly get answers to all your questions.

Explore a world of travel with Expedia

*Available to One Key members.