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Bulgaria

$590+ Cheap flights from Breckenridge, CO to Bulgaria

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SOF
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Breckenridge to Bulgaria

Best flights from Breckenridge to Bulgaria
Discover carefully curated flight deals from Breckenridge to Bulgaria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This FlightHub deal was found by Cheapflights users on 12/10. 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 2/107:20 pmDEN - SOF
1 stop34h 50mTurkish Airlines
Tue 2/179:35 amSOF - DEN
1 stop17h 00mTurkish Airlines
Deal found 12/10$590
This Gurufare deal was found by Cheapflights users on 12/10. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1011:35 amDEN - SOF
2 stops41h 15mMultiple Airlines
Tue 2/172:35 pmSOF - DEN
2 stops28h 03mMultiple Airlines
Deal found 12/10$686
This oojo deal was found by Cheapflights users on 12/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/107:20 pmDEN - SOF
1 stop16h 30mTurkish Airlines
Thu 2/199:35 amSOF - DEN
1 stop17h 00mTurkish Airlines
Deal found 12/11$590
This oojo deal was found by Cheapflights users on 12/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/107:20 pmDEN - SOF
1 stop16h 30mTurkish Airlines
Fri 2/204:00 pmSOF - DEN
1 stop34h 35mTurkish Airlines
Deal found 12/11$592
This Gurufare deal was found by Cheapflights users on 12/10. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1011:35 amDEN - SOF
2 stops41h 15mMultiple Airlines
Thu 2/192:35 pmSOF - DEN
2 stops28h 03mMultiple Airlines
Deal found 12/10$703
This oojo deal was found by Cheapflights users on 12/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/58:25 pmDEN - SOF
1 stop33h 35mTurkish Airlines
Sun 4/129:35 amSOF - DEN
1 stop17h 50mTurkish Airlines
Deal found 12/11$600
This Expedia deal was found by Cheapflights users on 12/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1111:35 amDEN - SOF
2 stops54h 30mMultiple Airlines
Wed 2/184:00 pmSOF - DEN
2 stops40h 00mMultiple Airlines
Deal found 12/10$745
This Turkish Airlines deal was found by Cheapflights users on 12/9. 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.
Thu 1/297:20 pmDEN - SOF
1 stop34h 50mTurkish Airlines
Mon 2/29:40 pmSOF - DEN
1 stop28h 55mTurkish Airlines
Deal found 12/9$707

Find flight deals from Breckenridge to Bulgaria

Keep the following information in mind while searching for Breckenridge to Bulgaria flight deals. Data was last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$590
(FlightHub)

Popular in

July

Cheapest in

April

Average price

$1,026
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 Bulgaria
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($270 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Breckenridge 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, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Breckenridge to Bulgaria that are best for you.

Fly from

Breckenridge

Fly to

Bulgaria

Route

Depart

Return

Price

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Tue 2/10

7:20 pm-3:10 pm

1 stop34h 50m

Sofia

Tue 2/17

9:35 am-5:35 pm

1 stop17h 00m

$590

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Tue 2/10

7:20 pm-8:50 pm

1 stop16h 30m

Sofia

Thu 2/19

9:35 am-5:35 pm

1 stop17h 00m

$590

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Tue 2/10

7:20 pm-8:50 pm

1 stop16h 30m

Sofia

Fri 2/20

4:00 pm-5:35 pm

1 stop34h 35m

$592

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Sun 4/5

8:25 pm-3:00 pm

1 stop33h 35m

Sofia

Sun 4/12

9:35 am-6:25 pm

1 stop17h 50m

$600

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Tue 2/10

11:35 am-1:50 pm

2 stops41h 15m

Sofia

Tue 2/17

2:35 pm-9:38 am

2 stops28h 03m

$686

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Tue 2/10

11:35 am-1:50 pm

2 stops41h 15m

Sofia

Thu 2/19

2:35 pm-9:38 am

2 stops28h 03m

$703

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Thu 1/29

7:20 pm-3:10 pm

1 stop34h 50m

Sofia

Mon 2/2

9:40 pm-5:35 pm

1 stop28h 55m

$707

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Wed 2/11

11:35 am-3:05 am

2 stops54h 30m

Sofia

Wed 2/18

4:00 pm-11:00 pm

2 stops40h 00m

$745

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Best time to book a flight from Breckenridge to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria 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 Bulgaria

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

Currently, February is the cheapest month in which you can book a flight from Breckenridge to Bulgaria (average of $517). Flying from Breckenridge to Bulgaria in December is currently the most expensive (average of $908). 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 BG?

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

When flying from Breckenridge to Bulgaria, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 29% versus a flight in the afternoon.

Reviews of airlines servicing Bulgaria

Get insights into the airlines that provide service to Bulgaria. 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 Bulgaria. Reviews last updated December 12, 2025.
Get a feel of what it's like to fly with United Airlines, Turkish Airlines, and Lufthansa from Breckenridge to Bulgaria by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,095 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
Turkish Airlines
7.3
Good
4,088 reviews
United Airlines
7.4
Good
9,095 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
Lufthansa
6.8
Okay
7,626 reviews
United Airlines
7.4
Good
9,095 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

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

  • How long is the flight from Breckenridge to Bulgaria?

    Airlines like Turkish Airlines fly from Breckenridge to Bulgaria in about 34h 50m. The time it takes to get you to your destination can typically vary by up to . The distance between Breckenridge and Bulgaria is about 5871 mi.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Breckenridge to Bulgaria (average of $517). Flying from Breckenridge to Bulgaria in December is currently the most expensive (average of $908). 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

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Top 3 airlines flying from Breckenridge to Bulgaria

Discover the top 3 airlines that operate flights from Breckenridge to Bulgaria. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$522Average$626FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$616Average$1,109FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$656Average$963FlexibilityNo cancel feeOn-time69%

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