$414+ Cheap flights from Sofia (SOF) to O'Hare Intl (ORD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — ORD
Oct 10 — Oct 171
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Sofia to O'Hare Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Sofia to O'Hare Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Sofia to O'Hare IntlExplore the most affordable flight options available from Sofia to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from Sofia to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:20 pm -
2 stops35h 00m
Tue 1/59:50 pm -
1 stop12h 30m
Deal found 9/9![Multiple Airlines logo]()
$826
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:40 pm -
2 stops23h 00m
Wed 2/36:50 pm -
1 stop12h 15m
Deal found 9/6![Multiple Airlines logo]()
$827
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:40 pm -
2 stops23h 00m
Wed 1/276:50 pm -
1 stop12h 15m
Deal found 9/6![Multiple Airlines logo]()
$828
This oojo deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:35 pm -
1 stop13h 15m
Thu 10/159:50 pm -
1 stop12h 10m
Deal found 9/7![LOT logo]()
$831
This Mytrip deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/188:10 pm -
2 stops28h 40m
Sat 1/306:30 pm -
2 stops15h 25m
Deal found 9/8![Multiple Airlines logo]()
$835
This Mytrip deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:15 pm -
2 stops30h 45m
Tue 10/207:25 pm -
3 stops19h 20m
Deal found 9/7![Multiple Airlines logo]()
$840
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:25 pm -
2 stops24h 35m
Wed 2/36:50 pm -
1 stop12h 15m
Deal found 9/6![Multiple Airlines logo]()
$841
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:25 pm -
2 stops24h 35m
Wed 1/276:50 pm -
1 stop12h 15m
Deal found 9/6![Multiple Airlines logo]()
$842
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:40 pm -
2 stops23h 00m
Mon 2/19:50 pm -
1 stop17h 05m
Deal found 9/6![Multiple Airlines logo]()
$843
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:40 pm -
2 stops23h 00m
Sun 1/319:50 pm -
1 stop12h 30m
Deal found 9/6![Multiple Airlines logo]()
$844
This Mytrip deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:45 pm -
2 stops29h 15m
Thu 11/56:30 pm -
2 stops15h 25m
Deal found 9/9![Multiple Airlines logo]()
$845
Best flights from Sofia to O'Hare IntlDiscover carefully curated flight deals from Sofia to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Sofia to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This Lufthansa deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:25 am -
1 stop14h 45m
Fri 9/32:20 pm -
1 stop14h 35m
Deal found 9/9![Multiple Airlines logo]()
$862
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:20 am -
1 stop14h 35m
Sat 1/306:00 pm -
1 stop20h 55m
Deal found 9/6![United Airlines logo]()
$865
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:20 am -
1 stop14h 35m
Tue 1/269:50 pm -
1 stop17h 05m
Deal found 9/6![United Airlines logo]()
$865
This Lufthansa deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:00 am -
1 stop20h 25m
Fri 9/32:20 pm -
1 stop14h 35m
Deal found 9/9![Multiple Airlines logo]()
$875
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:30 am -
1 stop16h 25m
Tue 11/249:50 pm -
1 stop17h 05m
Deal found 9/6![United Airlines logo]()
$865
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/176:25 am -
1 stop14h 45m
Sat 1/3012:55 pm -
2 stops16h 20m
Deal found 9/9![United Airlines logo]()
$867
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:30 am -
2 stops16h 22m
Thu 11/56:00 pm -
1 stop11h 15m
Deal found 9/10![United Airlines logo]()
$869
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:30 am -
2 stops25h 02m
Thu 3/49:50 pm -
1 stop17h 05m
Deal found 9/6![United Airlines logo]()
$871
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:10 am -
2 stops24h 19m
Tue 12/16:00 pm -
1 stop20h 55m
Deal found 9/7![United Airlines logo]()
$884
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:10 am -
2 stops24h 19m
Wed 12/211:45 am -
2 stops17h 30m
Deal found 9/7![United Airlines logo]()
$884
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:10 am -
2 stops24h 19m
Sun 12/610:25 am -
2 stops18h 50m
Deal found 9/7![United Airlines logo]()
$884
Last-minute flights from Sofia to O'Hare IntlDiscover last-minute flight deals from Sofia to O'Hare Intl. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Sofia to O'Hare Intl. Data last updated September 10, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:15 pm -
2 stops30h 45m
Tue 10/207:25 pm -
3 stops19h 20m
Deal found 9/7![Multiple Airlines logo]()
$840
This FlightHub deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:20 pm -
1 stop13h 35m
Sun 1/314:10 pm -
1 stop14h 05m
Deal found 9/6![Multiple Airlines logo]()
$850
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:25 pm -
2 stops24h 35m
Wed 2/36:50 pm -
1 stop12h 15m
Deal found 9/6![Multiple Airlines logo]()
$841
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:25 pm -
2 stops24h 35m
Wed 1/276:50 pm -
1 stop12h 15m
Deal found 9/6![Multiple Airlines logo]()
$842
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:40 pm -
2 stops23h 00m
Wed 2/36:50 pm -
1 stop12h 15m
Deal found 9/6![Multiple Airlines logo]()
$827
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:40 pm -
2 stops23h 00m
Wed 1/276:50 pm -
1 stop12h 15m
Deal found 9/6![Multiple Airlines logo]()
$828
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:40 pm -
2 stops23h 00m
Mon 1/259:50 pm -
1 stop17h 05m
Deal found 9/6![Multiple Airlines logo]()
$843
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:40 pm -
2 stops23h 00m
Sun 1/319:50 pm -
1 stop12h 30m
Deal found 9/6![Multiple Airlines logo]()
$844
This Gotogate deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:30 am -
1 stop14h 25m
Wed 10/143:35 pm -
1 stop12h 35m
Deal found 9/7![Lufthansa logo]()
$848
This oojo deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:35 pm -
1 stop13h 15m
Thu 10/159:50 pm -
1 stop12h 10m
Deal found 9/7![LOT logo]()
$831
This Mytrip deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:45 pm -
2 stops29h 15m
Thu 11/56:30 pm -
2 stops15h 25m
Deal found 9/9![Multiple Airlines logo]()
$845
One-way flights from Sofia to O'Hare IntlSearch for one-way flight options from Sofia to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Sofia to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:30 pm -
3 stops27h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$414
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/72:35 pm -
3 stops34h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$425
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:45 pm -
3 stops51h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$452
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1511:45 pm -
3 stops44h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$471
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:00 am -
3 stops20h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$482
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:30 am -
3 stops37h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$492
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:30 am -
3 stops43h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$496
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:40 pm -
2 stops50h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$510
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:55 pm -
3 stops53h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$522
Find flight deals from Sofia to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Sofia (SOF) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $826 (Kiwi.com) |
One-way from | $359 (Kiwi.com) |
Popular in | August |
Cheapest in | November |
Average price | $839 |
Cheapflights Fare Finder
Customize your flight search to find flights from Sofia to O'Hare Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 10, 2026.
Use the filters below to find and compare flights from Sofia to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Thu 11/19
9:30 pm-5:20 pm
3 stops27h 50m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$414
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Tue 9/15
6:15 am-4:00 pm
3 stops41h 45m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$476
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Wed 9/30
9:40 pm-12:40 pm
2 stops23h 00m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$518
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Tue 10/13
11:25 pm-9:25 pm
2 stops30h 00m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$529
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Thu 10/29
4:00 pm-3:45 pm
1 stop30h 45m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$562
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Fri 9/18
6:00 am-5:15 am
2 stops55h 15m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$586
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Thu 1/7
4:00 pm-2:45 pm
1 stop30h 45m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$611
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Tue 10/13
4:00 pm-2:30 pm
1 stop30h 30m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$611
Quickest round-trip
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Thu 9/24
2:30 pm-7:50 pm
1 stop13h 20m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$695
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Sun 11/8
6:25 am-1:10 pm
1 stop14h 45m
Chicago O'Hare Intl
Fri 9/3
2:20 pm-12:55 pm
1 stop14h 35m
$862
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Sofia to O'Hare Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sofia to O'Hare Intl in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Sofia-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sofia-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sofia-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Sofia-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sofia-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Sofia to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Sofia with our price prediction graph.
SOF-ORD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Sofia to Chicago O'Hare Intl Airport
Prices
More
How far ahead should I book a flight from Sofia to Chicago O'Hare Intl Airport?
To ensure you get the cheapest price possible for a flight from Sofia to Chicago O'Hare Intl Airport, you should look to book at least 64 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Sofia to Chicago O'Hare Intl Airport?
Currently, November is the cheapest month in which you can book a flight from Sofia to Chicago O'Hare Intl Airport (average of $710). Flying from Sofia to Chicago O'Hare Intl Airport in August is currently the most expensive (average of $958). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Sofia to Chicago O'Hare Intl Airport?
Airfare is typical for this route at the moment.
Sofia to Chicago O'Hare Intl Airport flights typically cost between $761 and $893 in November.The cheapest round-trip price found within the last 5 days was $826 on Multiple Airlines (Nov 11-Jan 5).
What’s the top layover airport for flights from Sofia to Chicago O'Hare Intl Airport?
Share of 1-stop round-trip flights from Sofia to Chicago O'Hare Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Warsaw (WAW) – chosen by Cheapflights users on 40% of 1-stop itineraries from Sofia to Chicago O'Hare Intl Airport on Cheapflights.
What’s the cheapest layover airport for flights from Sofia to Chicago O'Hare Intl Airport?
Average round-trip fare for 1-stop flights from Sofia to Chicago O'Hare Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Warsaw (WAW) is the most affordable 1-stop option, with an average round-trip price of $652.
What’s the fastest layover option from Sofia to Chicago O'Hare Intl Airport?
Shortest average travel time for 1-stop one-way flights from Sofia to Chicago O'Hare Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Munich (MUC) have the shortest average one-way travel time for 1-stop routes: 13h 20m.
Which airport typically offers the quickest layover for flights from Sofia to Chicago O'Hare Intl Airport?
Average layover duration for 1-stop one-way flights from Sofia to Chicago O'Hare Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Warsaw (WAW) offer the fastest connection on this route, with an average layover time of 1h 05m.
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated September 10, 2026.
See what other customers who have flown with KLM,LOT, andTurkish Airlines from Sofia to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.4
Entertainment
7.2
Food
7.3
Overall
7.8
Boarding
7.8
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Crew
8.4
Entertainment
7.2
Food
7.3
Overall
7.8
Boarding
7.8
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Crew
8.4
Entertainment
7.2
Food
7.3
Overall
7.8
Boarding
7.8
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Crew
8.4
Entertainment
7.2
Food
7.3
Overall
7.8
Boarding
7.8
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Crew
8.4
Entertainment
7.2
Food
7.3
Overall
7.8
Boarding
7.8
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Crew
8.4
Entertainment
7.2
Food
7.3
Overall
7.8
Boarding
7.8
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Related info for your journey
Find useful and relevant information for your journey from Sofia to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
Rosemont
Lake Geneva
Naperville
Des Plaines
Glenview
Schaumburg
Oakbrook Terrace
Delavan
Oak Brook
Libertyville
Orland Park
Hoffman Estates
Aurora
Beloit
Rockford
South Holland
Elgin
Racine
Janesville
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Complete your trip
Flights by cabin class
O'Hare Intl flight routes
Other flight options
Popular flights
Complete your trip
Complete your trip to O'Hare Intl by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Sofia to O'Hare Intl by cabin class
Find flights from Sofia to O'Hare Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to O'Hare Intl
Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 10, 2026.
Sofia and O'Hare Intl flights
Browse other Sofia and O'Hare Intl flight options. Last updated on September 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Sofia to O'Hare Intl
Discover the top 6 airlines that operate flights from Sofia to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$627 | Average$803 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$629 | Average$764 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$652 | Average$766 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$714 | Average$860 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$735 | Average$815 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$806 | Average$913 | FlexibilityNo cancel fee | On-time78% |