$420 Cheap Flights from Chicago (ORD) to Bourgas (BOJ)

View $420 flight on Mon, Aug 24, 2026Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Bourgas (BOJ)

Cheap Flights from Chicago to Bourgas (ORD-BOJ)

Prices were available within the past 7 days and start at $420 for one-way flights and $736 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Mon, Aug 24 - Wed, Sep 16
ORD
Chicago
BOJ
Burgas
$736 Roundtrip, found 4 days ago
$736
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Mon, Aug 24 from Chicago to Burgas, returning Wed, Sep 16, priced at $736 found 4 days ago
Air Canada
Mon, Aug 24 - Wed, Sep 16
ORD
Chicago
BOJ
Burgas
$740 Roundtrip, found 4 days ago
$740
Roundtrip
found 4 days ago
Select Air Canada flight, departing Mon, Aug 24 from Chicago to Burgas, returning Wed, Sep 16, priced at $740 found 4 days ago
Austrian Airlines
Mon, Aug 24 - Wed, Sep 16
ORD
Chicago
BOJ
Burgas
$744 Roundtrip, found 4 days ago
$744
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Mon, Aug 24 from Chicago to Burgas, returning Wed, Sep 16, priced at $744 found 4 days ago
Lufthansa
Mon, Aug 24 - Wed, Sep 16
ORD
Chicago
BOJ
Burgas
$747 Roundtrip, found 4 days ago
$747
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Mon, Aug 24 from Chicago to Burgas, returning Wed, Sep 16, priced at $747 found 4 days ago
Air Canada
Mon, Aug 24 - Wed, Sep 16
ORD
Chicago
BOJ
Burgas
$747 Roundtrip, found 4 days ago
$747
Roundtrip
found 4 days ago
Select Air Canada flight, departing Mon, Aug 24 from Chicago to Burgas, returning Wed, Sep 16, priced at $747 found 4 days ago
Air Canada
Mon, Aug 24 - Wed, Sep 16
ORD
Chicago
BOJ
Burgas
$750 Roundtrip, found 4 days ago
$750
Roundtrip
found 4 days ago
Select Air Canada flight, departing Mon, Aug 24 from Chicago to Burgas, returning Wed, Sep 16, priced at $750 found 4 days ago
Austrian Airlines
Mon, Aug 24 - Wed, Sep 16
ORD
Chicago
BOJ
Burgas
$754 Roundtrip, found 4 days ago
$754
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Mon, Aug 24 from Chicago to Burgas, returning Wed, Sep 16, priced at $754 found 4 days ago
Air Canada
Wed, Sep 2 - Sun, Sep 13
ORD
Chicago
BOJ
Burgas
$761 Roundtrip, found 4 days ago
$761
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Sep 2 from Chicago to Burgas, returning Sun, Sep 13, priced at $761 found 4 days ago
Austrian Airlines
Wed, Sep 2 - Sun, Sep 13
ORD
Chicago
BOJ
Burgas
$762 Roundtrip, found 4 days ago
$762
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Wed, Sep 2 from Chicago to Burgas, returning Sun, Sep 13, priced at $762 found 4 days ago
Aer Lingus
Fri, Aug 14 - Tue, Aug 18
ORD
Chicago
BOJ
Burgas
$780 Roundtrip, found 19 hours ago
$780
Roundtrip
found 19 hours ago
Select Aer Lingus flight, departing Fri, Aug 14 from Chicago to Burgas, returning Tue, Aug 18, priced at $780 found 19 hours ago

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Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Bourgas Airport (BOJ) cost?
Secure a cheap one-way flight from $420 or cheap return flight from $736 from O'Hare Intl. Airport (ORD) to Bourgas Airport (BOJ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Bourgas Airport (BOJ)?
Traveling in August is a good way to save, as it's the cheapest month for flights between ORD and BOJ. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Bourgas Airport (BOJ)?
To find the cheapest airline that'll fly you from ORD to BOJ, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from O'Hare Intl. Airport (ORD) to Bourgas Airport (BOJ)?
Nonstop flights from O'Hare Intl. Airport (ORD) to Bourgas Airport (BOJ) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ORD to BOJ?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on a range of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Bourgas Airport (BOJ)?
To avoid potential delays on the O'Hare Intl. Airport (ORD) to Bourgas Airport (BOJ) route, fly before 3 PM. Later flights have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Bourgas Airport (BOJ) last-minute?
Booking your plane ticket from ORD to BOJ just before your getaway is generally more expensive. But if you're flexible with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book an ORD to BOJ flight and hotel package?
Opting for an ORD to BOJ flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our extensive range of hotels and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Bourgas Airport (BOJ)?
Typically, you can cancel or modify your ORD to BOJ flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you need further information, head to our Customer Service portal.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Bourgas
Airlines serving
Aer Lingus, Austrian Airlines, Lufthansa
Roundtrip price
$736
Distance
5350 mi

Book with confidence

Chicago to Bourgas Flights

The cheapest times to fly from Chicago to Bourgas

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 Chicago to Bourgas are during the month of August. You can find some of the cheapest flights from Chicago to Bourgas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Bourgas

Sunday is one of the best days to book for cheap flights from Chicago to Bourgas: 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 Chicago to Bourgas

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 Chicago to Bourgas in 2026. You can also book with separate airlines for your outbound and return journeys, from $420 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 Chicago to Bourgas 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 Chicago to Bourgas 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.

 

Chicago to Bourgas Flights

*Flight schedules are subject to change.

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*Available to One Key members.