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Sofia

$515+ Cheap flights from Breckenridge, CO to Sofia (SOF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SOF
Jul 1 — Jul 81
Tue 7/1
Tue 7/8
1 adult, Economy
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Cheapflights Tip: The best prices from Breckenridge to Sofia are usually found in April or February, booked 48 days in advance, depart on a Thursday or Sunday and return on a Friday

Cheap flight deals from Breckenridge to Sofia

Keep the following information in mind while searching for Breckenridge to Sofia flight deals. Data was last updated June 26, 2025.

Round-trip from

$602
(Mytrip)

One-way from

$515
(FlightHub)

Popular in

May

Cheapest in

April

Average price

$1,183
From Breckenridge to Sofia
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One-way flight from Breckenridge to Sofia
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Highest demand for flights based on searches. 8% potential increase in price ($85 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Breckenridge to Sofia

Cheapest flights from Breckenridge to Sofia
Explore the most affordable flight options available from Breckenridge to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.

This Mytrip deal was found by Cheapflights users on 6/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/115:40 pmDEN - SOF
2 stops39h 10mMultiple Airlines
Tue 8/266:00 amSOF - DEN
1 stop16h 45mMultiple Airlines
Deal found 6/26$602
This United Airlines deal was found by Cheapflights users on 6/26. 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.
Mon 8/115:40 pmDEN - SOF
2 stops34h 40mUnited Airlines
Tue 8/266:20 amSOF - DEN
2 stops22h 15mUnited Airlines
Deal found 6/26$614
This FlightHub deal was found by Cheapflights users on 6/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/64:15 pmDEN - SOF
1 stop21h 45mLufthansa
Wed 8/2012:45 pmSOF - DEN
1 stop34h 00mLufthansa
Deal found 6/25$619
This Justfly.com deal was found by Cheapflights users on 6/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/237:50 pmDEN - SOF
1 stop15h 35mTurkish Airlines
Sat 9/69:25 amSOF - DEN
1 stop17h 30mTurkish Airlines
Deal found 6/25$637
This Justfly.com deal was found by Cheapflights users on 6/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/277:45 amDEN - SOF
2 stops18h 30mAir Canada
Wed 9/1012:00 pmSOF - DEN
2 stops32h 26mAir Canada
Deal found 6/25$696
This business-class.com deal was found by Cheapflights users on 6/24. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1611:25 amDEN - SOF
2 stops15h 15mAustrian Airlines
Tue 10/78:00 amSOF - DEN
2 stops19h 40mAustrian Airlines
Deal found 6/24$5,478
This Orbitz deal was found by Cheapflights users on 6/25. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/412:44 pmDEN - SOF
2 stops46h 36mBritish Airways
Wed 7/309:30 pmSOF - DEN
2 stops31h 35mBritish Airways
Deal found 6/25$15,141

Cheapflights Fare Finder

Customize your flight search to find flights from Breckenridge 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 26, 2025.
Use the filters below to find and compare flights from Breckenridge to Sofia that are best for you.

Fly from

Breckenridge

Fly to

Sofia

Route

Depart

Return

Price

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Mon 8/11

5:40 pm-5:50 pm

2 stops39h 10m

Sofia

Tue 8/26

6:00 am-1:45 pm

1 stop16h 45m

$602

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Mon 8/11

5:40 pm-1:20 pm

2 stops34h 40m

Sofia

Tue 8/26

6:20 am-7:35 pm

2 stops22h 15m

$614

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Wed 8/6

4:15 pm-11:00 pm

1 stop21h 45m

Sofia

Wed 8/20

12:45 pm-1:45 pm

1 stop34h 00m

$619

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Sat 8/23

7:50 pm-8:25 pm

1 stop15h 35m

Sofia

Sat 9/6

9:25 am-5:55 pm

1 stop17h 30m

$637

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Wed 8/27

7:45 am-11:15 am

2 stops18h 30m

Sofia

Wed 9/10

12:00 pm-11:26 am

2 stops32h 26m

$696

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Tue 9/16

11:25 am-11:40 am

2 stops15h 15m

Sofia

Tue 10/7

8:00 am-6:40 pm

2 stops19h 40m

$5,478

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Wed 9/10

4:15 pm-11:00 pm

1 stop21h 45m

$515

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Wed 9/10

5:59 pm-5:50 pm

1 stop14h 51m

$519

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Best time to book a flight from Breckenridge to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Breckenridge 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 Breckenridge to Sofia

How far ahead should I book a flight from Breckenridge to Sofia?

Use this chart to determine the optimal time to book a round-trip flight from Breckenridge to Sofia. Price data was last updated on June 20, 2025.

The price you pay for your flight from Breckenridge to Sofia may vary depending on when you book. For the best chance of a lower fare, look to book 48 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Breckenridge to Sofia (average of $632). Flying from Breckenridge to Sofia in June is currently the most expensive (average of $1,192). 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.

What is the cheapest time of day to fly from BK9 to SOF?

Find hourly flight availability from Breckenridge 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 26, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Breckenridge to Sofia as you normally would.

How much does it cost to fly round-trip from Breckenridge to Sofia?

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 26, 2025.
Read through reviews of airlines operating flights from Breckenridge to Sofia, such as Austrian Airlines, United Airlines, and Turkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
805 reviews

Food

6.8

Overall

7.6

Crew

8.1

Comfort

7.3

Boarding

7.6

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Austrian Airlines
7.6
Good
805 reviews
Austrian Airlines
7.6
Good
805 reviews

Food

6.8

Overall

7.6

Crew

8.1

Comfort

7.3

Boarding

7.6

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
United Airlines
7.4
Good
8,838 reviews
Austrian Airlines
7.6
Good
805 reviews

Food

6.8

Overall

7.6

Crew

8.1

Comfort

7.3

Boarding

7.6

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Turkish Airlines
7.3
Good
3,876 reviews
Austrian Airlines
7.6
Good
805 reviews

Food

6.8

Overall

7.6

Crew

8.1

Comfort

7.3

Boarding

7.6

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Air Canada
7.1
Good
9,637 reviews
Austrian Airlines
7.6
Good
805 reviews

Food

6.8

Overall

7.6

Crew

8.1

Comfort

7.3

Boarding

7.6

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Lufthansa
6.8
Okay
7,188 reviews
Austrian Airlines
7.6
Good
805 reviews

Food

6.8

Overall

7.6

Crew

8.1

Comfort

7.3

Boarding

7.6

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

Related info for your journey

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

  • What airport do you fly into for flights to Sofia from Breckenridge?

    Sofia (SOF) is the airport you will fly into if you book a flight from Breckenridge to Sofia. You should not have trouble finding flights to Sofia from Breckenridge; the airport handles an average of 0 inbound flights from Breckenridge per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the Sofia airport from Breckenridge. It is only a 4.2 mi journey from Sofia (SOF) to Sofia’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Breckenridge 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 Breckenridge to Sofia?

    Currently, November is the cheapest month in which you can book a flight from Breckenridge to Sofia (average of $632). Flying from Breckenridge to Sofia in June is currently the most expensive (average of $1,192). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Breckenridge to Sofia

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Sofia flights
Grand Junction to Sofia flights

Top 3 airlines flying from Breckenridge to Sofia

Discover the top 3 airlines that operate flights from Breckenridge to Sofia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$531Average$726FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$653Average$868FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$672Average$1,155FlexibilityNo cancel feeOn-time76%

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