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$675+ Cheap flights from Sofia (SOF) to Colorado

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — DEN
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Sofia to Colorado

Keep the following information in mind while searching for Sofia to Colorado flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$675
(British Airways)

Popular in

April

Cheapest in

November

Average price

$750
Provider with most accurate pricing for Sofia-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Sofia-Denver Intl flights.
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From Sofia to Colorado
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Highest demand for flights based on searches. 3% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Sofia to Colorado

Cheapest flights from Sofia to Colorado
Explore the most affordable flight options available from Sofia to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This British Airways deal was found by Cheapflights users on 2/20. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/78:00 pmSOF - DEN
2 stops32h 50mBritish Airways
Sun 4/136:35 pmDEN - SOF
1 stop15h 35mBritish Airways
Deal found 2/20$675
This United Airlines deal was found by Cheapflights users on 2/20. 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 4/76:15 amSOF - DEN
1 stop18h 40mUnited Airlines
Sun 4/134:05 pmDEN - SOF
1 stop21h 55mUnited Airlines
Deal found 2/20$751
This Lufthansa deal was found by Cheapflights users on 2/20. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/76:15 amSOF - DEN
1 stop16h 20mLufthansa
Sun 4/134:05 pmDEN - SOF
1 stop21h 55mLufthansa
Deal found 2/20$752
This KLM deal was found by Cheapflights users on 2/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/77:00 amSOF - DEN
2 stops22h 00mKLM
Sun 4/1311:36 amDEN - SOF
2 stops17h 24mKLM
Deal found 2/20$778
This Mytrip deal was found by Cheapflights users on 2/20. 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 4/77:00 amSOF - DEN
3 stops39h 53mMultiple Airlines
Sun 4/134:05 pmDEN - SOF
3 stops35h 25mMultiple Airlines
Deal found 2/20$1,200

Find flights from Sofia to Colorado within your budget

Customize your flight search to find flights from Sofia to Colorado 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 February 20, 2025.

Fly from

Sofia

Fly to

Colorado

Route

Depart

Return

Price

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Mon 4/7

8:00 pm-7:50 pm

2 stops32h 50m

Denver Intl

Sun 4/13

6:35 pm-7:10 pm

1 stop15h 35m

$675

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Mon 4/7

6:15 am-3:55 pm

1 stop18h 40m

Denver Intl

Sun 4/13

4:05 pm-11:00 pm

1 stop21h 55m

$751

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Mon 4/7

6:15 am-1:35 pm

1 stop16h 20m

Denver Intl

Sun 4/13

4:05 pm-11:00 pm

1 stop21h 55m

$752

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Mon 4/7

7:00 am-8:00 pm

2 stops22h 00m

Denver Intl

Sun 4/13

11:36 am-2:00 pm

2 stops17h 24m

$778

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Mon 4/7

7:00 am-1:53 pm

3 stops39h 53m

Denver Intl

Sun 4/13

4:05 pm-12:30 pm

3 stops35h 25m

$1,200

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Best time to book a flight from Sofia to Colorado

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

Travel insights for flights from Sofia to Colorado

Get recent, data-driven insights about flights from Sofia to Colorado including ideal travel times, pricing trends, and more.

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

Currently, October is the cheapest month in which you can book a flight from Sofia to Colorado (average of $197). Flying from Sofia to Colorado in March is currently the most expensive (average of $278). 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 SOF to CO?

Find hourly flight availability from Sofia to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

When flying from Sofia to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Colorado by month

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

In terms of precipitation, rainfall in Colorado ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Colorado when rainfall is around 0.5 in.

Temperature in Colorado by month

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

If weather is an important factor for your trip to Colorado, 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 73.4 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 Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated February 20, 2025.
KLM
7.8
Good
1,333 reviews

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,333 reviews
KLM
7.8
Good
1,333 reviews

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

United Airlines
7.4
Good
8,766 reviews
KLM
7.8
Good
1,333 reviews

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Lufthansa
6.7
Okay
6,984 reviews
KLM
7.8
Good
1,333 reviews

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

British Airways
6.6
Okay
6,763 reviews
KLM
7.8
Good
1,333 reviews

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Related info for your journey

Find useful and relevant information for your journey from Sofia to Colorado. 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 from for flights from Sofia to Colorado?

    For a flight from Sofia to Colorado, you will be flying from Sofia. Sofia (SOF) is just 4.2 mi from the center of the city.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Sofia to Colorado (average of $197). Flying from Sofia to Colorado in March is currently the most expensive (average of $278). 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 Sofia to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Sofia to Colorado

Discover the top 3 airlines that operate flights from Sofia to Colorado. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$639Average$734FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$718Average$785FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$731Average$910FlexibilityNo cancel feeOn-time76%
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