$793+ Cheap flights from Hartford (BDL) to Sofia (SOF)
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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — SOF
Feb 27 — Mar 61
1 adult, Economy
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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
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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 Hartford to Sofia
Cheapest flights from Hartford to SofiaExplore the most affordable flight options available from Hartford to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.
Explore the most affordable flight options available from Hartford to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.
This United Airlines deal was found by Cheapflights users on 1/25. 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 1/294:46 pm
BDL
- SOF
2 stops22h 59m
United Airlines
Mon 2/21:45 pm
SOF
- BDL
2 stops38h 44m
United Airlines
Deal found 1/25![United Airlines logo]()
$793
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Fri 3/136:00 am
BDL
- SOF
2 stops34h 45m
United Airlines
Fri 3/206:05 am
SOF
- BDL
2 stops23h 54m
United Airlines
Deal found 1/27![United Airlines logo]()
$820
Find flight deals from Hartford to Sofia
Discover tips and strategies to find the most affordable flight options for your journey from Hartford (BDL) to Sofia (SOF). 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 January 28, 2026.
Most accurate provider | Ovago 2 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $820 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Hartford to Sofia 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 2,558,603 searches. Data last updated January 28, 2026.
Use the filters below to find and compare flights from Hartford to Sofia that are best for you.
Fly from
Hartford
Fly to
Sofia
Route
Depart
Return
Price
HartfordSofia
BDL - SOF
BDLSOF
Hartford Bradley Intl
Fri 3/13
6:00 am-10:45 pm
2 stops34h 45m
Sofia
Fri 3/20
6:05 am-11:59 pm
2 stops23h 54m
$820
- Most accurate provider: When it comes to deals on Hartford-Sofia flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Hartford-Sofia flight deals on Cheapflights vs. Ovago 90-95% of the time. Price accuracy is based on data collected from Hartford-Sofia flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Hartford-Sofia flights, Cheapflights users trust Ovago the most. Ovago 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 Hartford-Sofia 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 Hartford to Sofia
Have a flexible travel schedule? Discover the best time to fly to Sofia from Hartford with our price prediction graph.
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.