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$1,004+ 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — SOF
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap 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 June 12, 2025.

Round-trip from

$1,004
(United Airlines)
From Hartford Bradley Intl to Sofia
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Find flight deals from Hartford to Sofia

Cheapest flights from Hartford to Sofia
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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 7/261:03 pmBDL - SOF
2 stops26h 57mUnited Airlines
Sat 8/26:15 amSOF - BDL
2 stops24h 44mUnited Airlines
Deal found 6/11$1,004

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 June 12, 2025.
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

Sat 7/26

1:03 pm-11:00 pm

2 stops26h 57m

Sofia

Sat 8/2

6:15 am-11:59 pm

2 stops24h 44m

$1,004

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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.

Cheapflights Insights

Everything you need to know about your flight from Hartford to Sofia

What is the cheapest time of day to fly from BDL to SOF?

Find hourly flight availability from Hartford to Sofia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Hartford to Sofia in the morning. If you’re flexible enough to do this you can expect to save up to 3% on your trip compared to booking a flight at noon.

Rainfall in Sofia by month

Plan your trip to Sofia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sofia ranges from 1.2 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Sofia when rainfall is around 1.2 in.

Temperature in Sofia by month

Plan your trip to Sofia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sofia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sofia. Reviews last updated June 12, 2025.
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.0

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,790 reviews
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.0

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Hartford to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Hartford to Sofia that include hotel bookings?

    Yes. In addition to deals on Hartford to Sofia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Hartford to Sofia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hartford to Sofia.

  • Can I find deals for business class flights from Hartford to Sofia?

    Yes. Cheapflights offers flight deals from Hartford to Sofia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Hartford to Sofia?

    Currently, November is the cheapest month in which you can book a flight from Hartford to Sofia (average of $632). Flying from Hartford to Sofia in June is currently the most expensive (average of $1,203). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Hartford to Sofia

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