$497 Cheap Flights from Sofia (SOF) to Hartford (BDL)

View $497 flight on Sun, Jul 12, 2026Opens in a new window

Popular airlines from Sofia Airport (SOF) to Bradley Intl. Airport (BDL)

Cheap Flights from Sofia to Hartford (SOF-BDL)

Prices were available within the past 7 days and start at $497 for one-way flights and $968 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Mon, Oct 27 - Mon, Nov 3
SOF
Sofia
BDL
Hartford
$968 Roundtrip, found 6 days ago
$968
Roundtrip
found 6 days ago
Select Turkish Airlines flight, departing Mon, Oct 27 from Sofia to Hartford, returning Mon, Nov 3, priced at $968 found 6 days ago
Turkish Airlines
Mon, Oct 27 - Mon, Nov 3
SOF
Sofia
BDL
Hartford
$974 Roundtrip, found 6 days ago
$974
Roundtrip
found 6 days ago
Select Turkish Airlines flight, departing Mon, Oct 27 from Sofia to Hartford, returning Mon, Nov 3, priced at $974 found 6 days ago
Turkish Airlines
Mon, Oct 27 - Mon, Nov 3
SOF
Sofia
BDL
Hartford
$983 Roundtrip, found 6 days ago
$983
Roundtrip
found 6 days ago
Select Turkish Airlines flight, departing Mon, Oct 27 from Sofia to Hartford, returning Mon, Nov 3, priced at $983 found 6 days ago
Turkish Airlines
Mon, Oct 27 - Mon, Nov 3
SOF
Sofia
BDL
Hartford
$989 Roundtrip, found 6 days ago
$989
Roundtrip
found 6 days ago
Select Turkish Airlines flight, departing Mon, Oct 27 from Sofia to Hartford, returning Mon, Nov 3, priced at $989 found 6 days ago
British Airways
Mon, Oct 27 - Mon, Nov 3
SOF
Sofia
BDL
Hartford
$1,040 Roundtrip, found 6 days ago
$1,040
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Oct 27 from Sofia to Hartford, returning Mon, Nov 3, priced at $1,040 found 6 days ago
British Airways
Mon, Oct 27 - Mon, Nov 3
SOF
Sofia
BDL
Hartford
$1,047 Roundtrip, found 6 days ago
$1,047
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Oct 27 from Sofia to Hartford, returning Mon, Nov 3, priced at $1,047 found 6 days ago
British Airways
Mon, Oct 27 - Mon, Nov 3
SOF
Sofia
BDL
Hartford
$1,055 Roundtrip, found 6 days ago
$1,055
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Oct 27 from Sofia to Hartford, returning Mon, Nov 3, priced at $1,055 found 6 days ago
British Airways
Mon, Oct 27 - Mon, Nov 3
SOF
Sofia
BDL
Hartford
$1,091 Roundtrip, found 6 days ago
$1,091
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Oct 27 from Sofia to Hartford, returning Mon, Nov 3, priced at $1,091 found 6 days ago
Flights from Sofia (SOF) to Hartford (BDL)
Origin airport
Sofia
Destination airport
Bradley Intl.
Roundtrip price
$968
Distance
4610 mi

Sofia to Hartford Flights

The cheapest times to fly from Sofia to Hartford

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

 

The best time to book a flight from Sofia to Hartford

Sunday is one of the best days to book for cheap flights from Sofia to Hartford: 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 Sofia to Hartford

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 Sofia to Hartford in 2025. You can also book with separate airlines for your outbound and return journeys, from $497 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 Sofia to Hartford 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 Sofia to Hartford 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.

 

Frequently asked questions

How much does a flight from Sofia Airport (SOF) to Bradley Intl. Airport (BDL) cost?
Get a cheap one-way flight from $497 or cheap return flight from $968 from Sofia Airport (SOF) to Bradley Intl. Airport (BDL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Sofia Airport (SOF) to Bradley Intl. Airport (BDL)?
The cheapest month to fly from SOF to BDL is October, when demand is low. Off-peak season is usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Sofia Airport (SOF) to Bradley Intl. Airport (BDL)?
To find the cheapest airline that'll fly you from SOF to BDL, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Sofia Airport (SOF) to Bradley Intl. Airport (BDL)?
You'll have to catch a flight with a layover when traveling from Sofia Airport (SOF) to Bradley Intl. Airport (BDL). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from SOF to BDL?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sofia Airport (SOF) to Bradley Intl. Airport (BDL)?
To arrive at Bradley Intl. Airport (BDL) on time, select a flight that leaves from Sofia Airport (SOF) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Sofia Airport (SOF) to Bradley Intl. Airport (BDL) last-minute?
Last-minute fares from SOF to BDL are generally more expensive. To lock in the lowest rates, start looking for flights as early as possible. That being said, if you're flexible with your travel plans, you may score a cheap ticket right before you leave.
Is it cheaper to book a SOF to BDL flight and hotel package?
Compared with arranging flights and hotels separately, booking a SOF to BDL flight and hotel package with Expedia could result in significant savings. What's more, having everything in one place takes the hassle out of travel planning. Just secure your flights and select from our extensive range of hotels, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Sofia Airport (SOF) to Bradley Intl. Airport (BDL)?
In most instances, you're able to cancel or reschedule your SOF to BDL flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you want further details, head to our Customer Service portal.

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*Available to One Key members.