How do I get Price Alerts for flights from Hartford to Sofia?

You can take advantage of momondo’s Price Alerts by first searching for your flights to Hartford from Sofia . Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

How can I save money on flights from Hartford to Sofia with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

When did momondo last update prices for flights from Hartford Bradley Intl Airport to Sofia Airport?

Prices for flights from Hartford Bradley Intl Airport to Sofia Airport are updated daily.

How old do you have to be to fly from Hartford Bradley Intl Airport to Sofia Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Hartford Bradley Intl Airport to Sofia Airport.

What documentation or ID do you need to fly to Sofia Airport?

The necessary travel and health documents for your Sofia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$643 Cheap Flights from Hartford to Sofia in 2025/26

1 adult

0 bags

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Find the cheapest flights from Hartford to Sofia

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:04 pm - 6:20 pmBDL-SOF

19h 16m2 stops

2:25 pm - 11:50 pmSOF-BDL

15h 25m2 stops

$643United Airlines

Find Deal

Wed, Mar 11 - Sun, Mar 15

5:04 pm - 10:45 pmBDL-SOF

23h 41m2 stops

6:10 am - 11:50 pmSOF-BDL

23h 40m2 stops

$644United Airlines

Find Deal

Wed, Mar 11 - Sun, Mar 15

United Airlines flights from Hartford to Sofia

Our best United Airlines deals on Hartford to Sofia flight tickets

United Airlines

Mar 11

BDL5:04 pmHartford Bradley Intl

19h 16m

2 stops

SOF6:20 pmSofia

Mar 15

SOF2:25 pmSofia

15h 25m

2 stops

BDL11:50 pmHartford Bradley Intl

$643

Find similar

United Airlines

Mar 11

BDL5:04 pmHartford Bradley Intl

23h 41m

2 stops

SOF10:45 pmSofia

Mar 15

SOF6:10 amSofia

23h 40m

2 stops

BDL11:50 pmHartford Bradley Intl

$644

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HartfordSofia

BDL - SOF

BDLSOF

Hartford Bradley Intl

Wed 3/11

5:04 pm-6:20 pm

2 stops19h 16m

Sofia

Sun 3/15

2:25 pm-11:50 pm

2 stops15h 25m

$643

HartfordSofia

BDL - SOF

BDLSOF

Hartford Bradley Intl

Wed 3/11

5:04 pm-10:45 pm

2 stops23h 41m

Sofia

Sun 3/15

6:10 am-11:50 pm

2 stops23h 40m

$644

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Hartford to Sofia

Are you open to changing your travel dates? Check out the ideal times to fly from Hartford to Sofia according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Hartford to Sofia (BDL to SOF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Hartford to Sofia

Direct flights	None

There are no direct flights from Hartford to Sofia. There are no popular flight routes from Hartford to Sofia.

Search flight deals

How far is Hartford Bradley Intl to Sofia by plane?
Sofia is 4610.3 mi away from Hartford Bradley Intl. Flights usually cover this in 19h 16m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Hartford Bradley Intl Airport to Sofia Airport?
Prices for flights from Hartford Bradley Intl Airport to Sofia Airport are updated daily.
How old do you have to be to fly from Hartford Bradley Intl Airport to Sofia Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Hartford Bradley Intl Airport to Sofia Airport.
What documentation or ID do you need to fly to Sofia Airport?
The necessary travel and health documents for your Sofia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

How do I get Price Alerts for flights from Hartford to Sofia?
You can take advantage of momondo’s Price Alerts by first searching for your flights to Hartford from Sofia. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from Hartford to Sofia with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Bansko

Borovets

Velingrad

Sandanski

Why use momondo?

Why should I use momondo to find a flight deal from Hartford to Sofia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sofia from Hartford.

Can I find flights from Hartford to Sofia with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sofia from Hartford which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Hartford to Sofia?

Once all potential Hartford to Sofia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Hartford to Sofia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Hartford to Sofia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sofia and let you know when they change.