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Cheap flights from Hartford to Bulgaria from $478

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Hartford to Bulgaria departing on 3/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Hartford to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:05 am - 6:20 pm
BDL
-
SOF
25h 15m
2 stops
United Airlines Logo
7:55 am - 11:59 pm
SOF
-
BDL
22h 04m
2 stops
$478United Airlines
Wed, Mar 4 - Wed, Mar 11
Air Canada Logo
10:30 am - 1:50 pm
BDL
-
SOF
20h 20m
3 stops
Air Canada Logo
2:00 pm - 2:04 pm
SOF
-
BDL
30h 04m
3 stops
$1,269Air Canada
Wed, Mar 4 - Wed, Mar 11

United Airlines flights from Hartford to Bulgaria

Our best United Airlines deals on Hartford to Bulgaria flight tickets
United Airlines
Mar 4
BDL10:05 amHartford Bradley Intl
25h 15m
2 stops
SOF6:20 pmSofia
Mar 11
SOF7:55 amSofia
22h 04m
2 stops
BDL11:59 pmHartford Bradley Intl
$478
United Airlines
Jan 29
BDL4:46 pmHartford Bradley Intl
22h 59m
2 stops
SOF10:45 pmSofia
Feb 2
SOF1:45 pmSofia
36h 29m
2 stops
BDL7:14 pmHartford Bradley Intl
$541

momondo Fare Finder

 
Customize your flight search to find flights from Hartford to Bulgaria 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, momondo users made 832,500 searches. Data last updated January 20, 2026.
Use the filters below to find and compare flights from Hartford to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HartfordSofia

BDL - SOF

BDLSOF

Hartford Bradley Intl

Wed 3/4

10:05 am-6:20 pm

2 stops25h 15m

Sofia

Wed 3/11

7:55 am-11:59 pm

2 stops22h 04m

$478

HartfordSofia

BDL - SOF

BDLSOF

Hartford Bradley Intl

Wed 3/4

10:30 am-1:50 pm

3 stops20h 20m

Sofia

Wed 3/11

2:00 pm-2:04 pm

3 stops30h 04m

$1,269

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Hartford to Bulgaria flight deals and tips

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

Fastest flight time

22h 59m

Direct flights

None
The fastest flight from Hartford to Bulgaria takes 22h 59m
There are no direct flights from Hartford to Bulgaria. There are no popular flight routes from Hartford to Bulgaria.
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  • When did momondo last update prices for flights from Hartford Bradley Intl Airport to Bulgaria?

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Hartford Bradley Intl Airport to Bulgaria.

  • What documentation or ID do you need to fly to Bulgaria?

    The travel and health documents required for your trip to Bulgaria can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bulgaria. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

    Price Alerts will notify you by email when the price for flights to Bulgaria from Hartford decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

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

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

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

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 Bulgaria from Hartford.

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

Yes. momondo allows you to filter the results for Hartford to Bulgaria flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Bulgaria from Hartford. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Hartford to Bulgaria flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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