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Sofia

$302+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SOF
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
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

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 November 2, 2025.

This FlightHub deal was found by Cheapflights users on 11/1. 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.
Sat 11/297:20 pmDEN - SOF
1 stop28h 25mTurkish Airlines
Sat 12/69:35 amSOF - DEN
1 stop17h 00mTurkish Airlines
Deal found 11/1$563
This oojo deal was found by Cheapflights users on 11/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/157:20 pmDEN - SOF
1 stop28h 25mTurkish Airlines
Tue 11/189:35 amSOF - DEN
1 stop17h 00mTurkish Airlines
Deal found 11/1$661
This Turkish Airlines deal was found by Cheapflights users on 10/31. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/187:20 pmDEN - SOF
1 stop34h 50mTurkish Airlines
Thu 11/279:35 amSOF - DEN
1 stop17h 00mTurkish Airlines
Deal found 10/31$664
This Gotogate deal was found by Cheapflights users on 11/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/294:20 pmDEN - SOF
1 stop21h 25mMultiple Airlines
Sat 12/62:00 pmSOF - DEN
2 stops38h 55mMultiple Airlines
Deal found 11/1$678
This FlightHub deal was found by Cheapflights users on 11/2. 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.
Mon 12/85:35 pmDEN - SOF
2 stops15h 45mLufthansa
Tue 1/62:15 pmSOF - DEN
2 stops34h 57mLufthansa
Deal found 11/2$684
This United Airlines deal was found by Cheapflights users on 10/31. 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 12/88:20 pmDEN - SOF
1 stop17h 25mUnited Airlines
Tue 1/62:15 pmSOF - DEN
2 stops34h 57mUnited Airlines
Deal found 10/31$689
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Tue 12/95:46 pmDEN - SOF
2 stops19h 59mUnited Airlines
Tue 1/62:15 pmSOF - DEN
2 stops34h 57mUnited Airlines
Deal found 10/31$693
This Air Canada deal was found by Cheapflights users on 11/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2911:44 amDEN - SOF
2 stops21h 31mAir Canada
Sat 12/66:25 amSOF - DEN
2 stops19h 15mAir Canada
Deal found 11/1$697
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/294:20 pmDEN - SOF
2 stops16h 55mLufthansa
Sat 12/66:25 amSOF - DEN
2 stops19h 05mLufthansa
Deal found 11/1$700
This FlightHub deal was found by Cheapflights users on 11/1. 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.
Mon 11/34:20 pmDEN - SOF
1 stop21h 25mLufthansa
Wed 11/126:05 amSOF - DEN
1 stop17h 30mLufthansa
Deal found 11/1$710
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/44:20 pmDEN - SOF
1 stop17h 00mLufthansa
Thu 12/116:05 amSOF - DEN
1 stop17h 30mLufthansa
Deal found 11/1$713
This FlightHub deal was found by Cheapflights users on 11/2. 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.
Tue 12/95:45 pmDEN - SOF
2 stops15h 35mLufthansa
Tue 1/62:15 pmSOF - DEN
2 stops34h 57mLufthansa
Deal found 11/2$715

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 November 2, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$563
(FlightHub)

One-way from

$302
(Kiwi.com)

Popular in

July

Cheapest in

April

Average price

$705
Provider with most accurate pricing for Denver Intl-Sofia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Sofia flights.
Search Deals
From Breckenridge to Sofia
Search Deals
One-way flight from Breckenridge to Sofia
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($265 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 2, 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

Sat 11/29

7:20 pm-8:45 am

1 stop28h 25m

Sofia

Sat 12/6

9:35 am-5:35 pm

1 stop17h 00m

$563

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Thu 4/9

8:25 pm-8:15 pm

1 stop14h 50m

Sofia

Thu 4/23

9:35 am-6:20 pm

1 stop17h 45m

$593

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Thu 4/9

4:05 pm-6:40 pm

1 stop17h 35m

Sofia

Thu 4/23

12:50 pm-11:50 pm

2 stops20h 00m

$627

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Thu 4/9

11:05 am-6:40 pm

2 stops22h 35m

Sofia

Thu 4/23

6:10 am-7:55 pm

2 stops22h 45m

$629

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Wed 4/1

4:05 pm-11:10 pm

1 stop22h 05m

Sofia

Sun 4/5

7:25 pm-2:20 pm

1 stop27h 55m

$632

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Fri 12/5

11:59 pm-1:00 pm

2 stops52h 01m

$302

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Fri 12/5

4:20 pm-10:45 pm

1 stop21h 25m

$500

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Thu 1/22

7:39 pm-10:45 pm

3 stops42h 06m

$1,658

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Thu 1/22

7:20 pm-8:45 am

1 stop28h 25m

$2,924

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

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 October 31, 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, February is the cheapest month in which you can book a flight from Breckenridge to Sofia (average of $518). Flying from Breckenridge to Sofia in June is currently the most expensive (average of $821). 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 November 2, 2025.

It’s typically best to fly out from Breckenridge to Sofia in the evening. Doing so could potentially save you 34% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 November 2, 2025.
Read through reviews of airlines operating flights from Breckenridge to Sofia, such as United Airlines, Turkish Airlines, and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,993 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,993 reviews
United Airlines
7.4
Good
8,993 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Turkish Airlines
7.3
Good
4,037 reviews
United Airlines
7.4
Good
8,993 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Lufthansa
6.8
Okay
7,542 reviews
United Airlines
7.4
Good
8,993 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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.

  • How long is the flight from Breckenridge to Sofia?

    A quick flight from Breckenridge to Sofia can take about 17h 35m. Turkish Airlines provides one of the quickest options available for as low as $627. Airlines will cover a distance of 5871 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, February is the cheapest month in which you can book a flight from Breckenridge to Sofia (average of $518). Flying from Breckenridge to Sofia in June is currently the most expensive (average of $821). 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 November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$522Average$628FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$656Average$870FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$672Average$1,152FlexibilityNo cancel feeOn-time76%

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