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SOF - ORD

Find cheap flights from Sofia to Chicago

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Search hundreds of travel sites at once for deals on flights to Chicago

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sofia to Chicago, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sofia to Chicago, as well as popular online travel agencies
In the last 7 days, travellers have searched 43,740,974 times on KAYAK, and here's why:

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Flights from Sofia to O'Hare Intl - Travel Insights & Trends

Get data-powered insights and trends into flights from Sofia to O'Hare Intl to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Sofia to Chicago O'Hare Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Sofia to Chicago O'Hare Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Sofia to Chicago O'Hare Intl Airport is February, where tickets cost £401 on average. On the other hand, the most expensive months are July and August, where the average cost of tickets is £627 and £610 respectively.

How far in advance should I book a flight from Sofia to Chicago O'Hare Intl Airport?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Sofia to Chicago O'Hare Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Sofia to Chicago O'Hare Intl Airport, you should book around 2 days before departure. For the absolute cheapest price, our data suggests you should book 67 days before departure.

Good to know - Cheap tickets from Sofia to Chicago

Low season

January

High season

September
Best time to beat the crowds but there is an average 5% increase in price.
Most popular time to fly (12% more expensive on average)

When to book flights from Sofia to O'Hare Intl

Are your dates flexible? Find out the best times to travel from Sofia to O'Hare Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Sofia to Chicago flights

  • Which aircraft models fly most regularly from Sofia to Chicago?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Sofia to Chicago?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Sofia to Chicago.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Sofia to Chicago?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Sofia is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Sofia to Chicago?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Chicago with an airline and back to Sofia with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Sofia to Chicago?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago from Sofia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

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Sofia - Chicago Flights

Departure:

Sofia (SOF)Bulgaria

Destination:

Chicago (ORD)United States

Cabin classes:

Browse origins:

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  • Sofia

Browse destinations:

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  • Chicago O'Hare Airport