$337 Cheap United flights Chicago (ORD) to Sofia (SOF)
$337 Cheap United flights Chicago (ORD) to Sofia (SOF)
Prices were available within the past 7 days and start at $337 for one-way flights and $717 for roundtrip, for the period specified. Prices and availability are subject to change.
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One way
Roundtrip
Wed, Apr 28 - Fri, May 7 · ORD · SOF · Roundtrip
Wed, Apr 14 - Wed, Apr 28 · ORD · SOF · Roundtrip
Wed, Apr 28 - Fri, May 7 · ORD · SOF · Roundtrip
Wed, Apr 28 - Fri, May 7 · ORD · SOF · Roundtrip
Wed, Apr 28 - Fri, May 7 · ORD · SOF · Roundtrip
Wed, Apr 28 - Fri, May 7 · ORD · SOF · Roundtrip
Wed, Apr 28 - Fri, May 7 · ORD · SOF · Roundtrip
Wed, Apr 28 - Fri, May 7 · ORD · SOF · Roundtrip
Wed, Apr 28 - Fri, May 7 · ORD · SOF · Roundtrip
Alternative airports near Sofia
Prices were available within the past 7 days. Prices and availability are subject to change.
12 min
Find the cheapest month to fly from Chicago (ORD) to Sofia (SOF)
January is typically the cheapest month to fly
From $689 - $2,265 per traveler.
View flights in January
Insights are based on prices from searches for economy trips of 10 days or less on our sites in the last 12 months. Insights are informative only and current prices may differ.
Frequently Asked Questions
How much is a United Airlines flight from O'Hare Intl. Airport (ORD) to Sofia Airport (SOF)?
You can discover cheap return United Airlines flights $717 from ORD to SOF by sorting your results from "Price (lowest to highest)" on Expedia. Or look for bargains from $337 for a one-way trip.*
*These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from ORD to SOF with United Airlines?
Search for one-way or return flights to Sofia in January or February. You could find an affordable fare with United Airlines during these off-season months.
What is the cheapest time to book flights from O'Hare Intl. Airport (ORD) to Sofia Airport (SOF) with United Airlines?
Check for United Airlines flights from ORD to SOF about one month before you want to leave. The most affordable time to book an international flight is generally 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. Regardless of fare class or itinerary, the best day to book international airfare is usually Sunday. Friday can be the most expensive. Passengers booking on a Sunday can save 17% on average compared to those who book on a Friday.*
*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from O'Hare Intl. Airport (ORD) to Sofia Airport (SOF)?
To see if there's a direct trip from ORD to SOF with United Airlines or any other carriers, check the "Nonstop" filter when looking for tickets.
What is the earliest United Airlines flight from ORD to SOF?
Search United Airlines's earliest flights from ORD to SOF by using our "Morning" and "Early Morning" filters. Not only will you get to your destination sooner, early departures are also 20% less likely to be canceled.*
*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Sofia?
United Airlines flights from O'Hare Intl. Airport (ORD) to Sofia come in to land at Sofia Airport (SOF). This is the main entry point here.
Why fly with United Airlines from ORD to SOF?
A rewarding loyalty program and the ability to rack up points through United Mileage Plus are the start of the reasons to depart from ORD to SOF with United Airlines. Plus, when you sign up to our One Key™ program, you can earn OneKeyCash™* in addition to any airline loyalty program earnings. It's yours to spend on future travel plans.
*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from O'Hare Intl. Airport (ORD) to Sofia Airport (SOF)?
It's generally possible to cancel or change your flight, although additional charges may apply if your booking was made over 24 hours ago. Want to keep your options open? Use Expedia's "Changes included" or "No cancel fee" filter to find flights that won't penalize you if you need to adjust your plans. To update your itinerary, visit "Trips," select your flight and click on "Manage Booking" for more details.
Travel information
| Origin airport | Chicago O'Hare Intl. Airport |
|---|---|
| Destination airport | Sofia Airport |
| Distance | 5,197 miles away |
| Airline name | United |
| Airline code | UA |
| Roundtrip price | $714 |
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*Available to One Key members.