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Cheap flights from Hartford to Sofia from $740

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 Sofia departing on 11/16. 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 Sofia

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:04 pm - 6:20 pm
BDL
-
SOF
18h 16m
2 stops
United Airlines Logo
2:05 pm - 9:47 am
SOF
-
BDL
26h 42m
2 stops
$740United Airlines
Mon, Nov 16 - Wed, Nov 18
Lufthansa Logo
7:45 pm - 11:15 pm
BDL
-
SOF
20h 30m
2 stops
Lufthansa Logo
7:25 pm - 11:59 pm
SOF
-
BDL
35h 34m
2 stops
$972Lufthansa
Mon, Jul 13 - Mon, Jul 20
Lufthansa Logo
3:02 pm - 12:10 pm
BDL
-
SOF
14h 08m
2 stops
Lufthansa Logo
6:10 am - 11:59 pm
SOF
-
BDL
24h 49m
2 stops
$1,093Lufthansa
Tue, Jul 21 - Fri, Aug 7
Lufthansa Logo
3:02 pm - 12:10 pm
BDL
-
SOF
14h 08m
2 stops
Lufthansa Logo
12:55 pm - 11:59 pm
SOF
-
BDL
18h 04m
2 stops
$1,183Lufthansa
Tue, Jul 21 - Thu, Aug 6
Lufthansa Logo
7:45 pm - 10:40 pm
BDL
-
SOF
19h 55m
2 stops
Lufthansa Logo
6:10 am - 11:59 pm
SOF
-
BDL
24h 49m
2 stops
$1,196Lufthansa
Mon, Jul 20 - Fri, Aug 7
Air Canada Logo
3:02 pm - 6:00 pm
BDL
-
SOF
19h 58m
3 stops
Air Canada Logo
6:20 am - 11:59 pm
SOF
-
BDL
24h 39m
3 stops
$1,330Air Canada
Mon, Jul 13 - Mon, Jul 20
Multiple Airlines Logo
6:00 pm - 11:00 pm
BDL
-
SOF
22h 00m
1 stop
Multiple Airlines Logo
6:00 am - 4:30 pm
SOF
-
BDL
17h 30m
2 stops
$1,561Multiple Airlines
Mon, Jul 13 - Mon, Jul 20
Air Canada Logo
10:26 am - 12:10 pm
BDL
-
SOF
18h 44m
3 stops
Air Canada Logo
6:20 am - 11:59 pm
SOF
-
BDL
24h 39m
3 stops
$1,707Air Canada
Tue, Jul 21 - Fri, Aug 7
Multiple Airlines Logo
6:00 pm - 1:45 am
BDL
-
SOF
24h 45m
3 stops
Multiple Airlines Logo
7:00 am - 4:30 pm
SOF
-
BDL
16h 30m
2 stops
$2,073Multiple Airlines
Mon, Jul 13 - Mon, Jul 20

Lufthansa flights from Hartford to Sofia

Our best Lufthansa deals on Hartford to Sofia flight tickets
Lufthansa
Jul 13
BDL7:45 pmHartford Bradley Intl
20h 30m
2 stops
SOF11:15 pmSofia
Jul 20
SOF7:25 pmSofia
35h 34m
2 stops
BDL11:59 pmHartford Bradley Intl
$972
Lufthansa
Jul 21
BDL3:02 pmHartford Bradley Intl
14h 08m
2 stops
SOF12:10 pmSofia
Aug 7
SOF6:10 amSofia
24h 49m
2 stops
BDL11:59 pmHartford Bradley Intl
$1,093
Lufthansa
Jul 21
BDL3:02 pmHartford Bradley Intl
14h 08m
2 stops
SOF12:10 pmSofia
Aug 6
SOF12:55 pmSofia
18h 04m
2 stops
BDL11:59 pmHartford Bradley Intl
$1,183

Air Canada flights from Hartford to Sofia

Our best Air Canada deals on Hartford to Sofia flight tickets
Air Canada
Jul 13
BDL3:02 pmHartford Bradley Intl
19h 58m
3 stops
SOF6:00 pmSofia
Jul 20
SOF6:20 amSofia
24h 39m
3 stops
BDL11:59 pmHartford Bradley Intl
$1,330
Air Canada
Jul 21
BDL10:26 amHartford Bradley Intl
18h 44m
3 stops
SOF12:10 pmSofia
Aug 7
SOF6:20 amSofia
24h 39m
3 stops
BDL11:59 pmHartford Bradley Intl
$1,707

momondo 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, momondo users made 832,500 searches. Data last updated May 31, 2026.
Use the filters below to find and compare flights from Hartford to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HartfordSofia

BDL - SOF

BDLSOF

Hartford Bradley Intl

Mon 11/16

5:04 pm-6:20 pm

2 stops18h 16m

Sofia

Wed 11/18

2:05 pm-9:47 am

2 stops26h 42m

$740

HartfordSofia

BDL - SOF

BDLSOF

Hartford Bradley Intl

Mon 7/13

7:45 pm-11:15 pm

2 stops20h 30m

Sofia

Mon 7/20

7:25 pm-11:59 pm

2 stops35h 34m

$972

HartfordSofia

BDL - SOF

BDLSOF

Hartford Bradley Intl

Tue 7/21

3:02 pm-12:10 pm

2 stops14h 08m

Sofia

Fri 8/7

6:10 am-11:59 pm

2 stops24h 49m

$1,093
Quickest round-trip

HartfordSofia

BDL - SOF

BDLSOF

Hartford Bradley Intl

Tue 7/21

3:02 pm-12:10 pm

2 stops14h 08m

Sofia

Thu 8/6

12:55 pm-11:59 pm

2 stops18h 04m

$1,183

HartfordSofia

BDL - SOF

BDLSOF

Hartford Bradley Intl

Mon 7/20

7:45 pm-10:40 pm

2 stops19h 55m

Sofia

Fri 8/7

6:10 am-11:59 pm

2 stops24h 49m

$1,196

HartfordSofia

BDL - SOF

BDLSOF

Hartford Bradley Intl

Mon 7/13

3:02 pm-6:00 pm

3 stops19h 58m

Sofia

Mon 7/20

6:20 am-11:59 pm

3 stops24h 39m

$1,330

HartfordSofia

BDL - SOF

BDLSOF

Hartford Bradley Intl

Mon 7/13

6:00 pm-11:00 pm

1 stop22h 00m

Sofia

Mon 7/20

6:00 am-4:30 pm

2 stops17h 30m

$1,561

HartfordSofia

BDL - SOF

BDLSOF

Hartford Bradley Intl

Tue 7/21

10:26 am-12:10 pm

3 stops18h 44m

Sofia

Fri 8/7

6:20 am-11:59 pm

3 stops24h 39m

$1,707

HartfordSofia

BDL - SOF

BDLSOF

Hartford Bradley Intl

Mon 7/13

6:00 pm-1:45 am

3 stops24h 45m

Sofia

Mon 7/20

7:00 am-4:30 pm

2 stops16h 30m

$2,073

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

Fastest flight time

18h 16m

Direct flights

None
The fastest flight from Hartford to Sofia takes 18h 16m
There are no direct flights from Hartford to Sofia. There are no popular flight routes from Hartford to Sofia.
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Frequently asked questions about flying from Hartford to Sofia

  • 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 18h 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.

Frequently asked questions about flying from Hartford to Sofia

  • 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.

Traveling to a place near Sofia?

Book flights to Sofia if you plan to visit one of these locations
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.

An easier way to manage your Sofia trip

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Find better results for your trip to Bulgaria

Cabin classes currently available on flights to Sofia

List of cabin classes available on flights landing in Sofia. Availability may vary depending on flight origin and airline.
First Class to Sofia
Business Class to Sofia