HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Colorado

$456+ Cheap flights from Sofia (SOF) to Colorado

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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — DEN
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sofia to Colorado with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$688
(British Airways)

One-way from

$456
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$764
Provider with most accurate pricing for Sofia-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sofia-Denver Intl flights.
Search Deals
From Sofia to Colorado
Search Deals
One-way flight from Sofia to Colorado
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 March 31, 2025.

This British Airways deal was found by Cheapflights users on 3/31. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/49:10 pmSOF - DEN
1 stop28h 15mBritish Airways
Sun 5/116:35 pmDEN - SOF
1 stop15h 35mBritish Airways
Deal found 3/31$688
This Trip.com deal was found by Cheapflights users on 3/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/46:10 amSOF - DEN
2 stops45h 45mMultiple Airlines
Sun 5/114:40 pmDEN - SOF
2 stops24h 50mMultiple Airlines
Deal found 3/30$742
This FlightHub deal was found by Cheapflights users on 3/30. 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.
Sun 4/69:25 amSOF - DEN
1 stop17h 30mTurkish Airlines
Sun 4/137:50 pmDEN - SOF
1 stop27h 45mTurkish Airlines
Deal found 3/30$772
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Sun 5/46:00 amSOF - DEN
1 stop16h 45mUnited Airlines
Sun 5/118:20 pmDEN - SOF
1 stop13h 20mUnited Airlines
Deal found 3/30$773
This Mytrip deal was found by Cheapflights users on 3/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/46:00 amSOF - DEN
2 stops37h 27mAir Canada
Sun 5/119:40 amDEN - SOF
2 stops24h 00mAir Canada
Deal found 3/31$821
This Expedia deal was found by Cheapflights users on 3/30. 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.
Sun 4/67:25 pmSOF - DEN
2 stops33h 08mLufthansa
Sun 4/134:05 pmDEN - SOF
1 stop17h 35mLufthansa
Deal found 3/30$851
This Emirates deal was found by Cheapflights users on 3/30. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/52:05 amSOF - DEN
2 stops28h 40mEmirates
Sun 4/131:46 pmDEN - SOF
2 stops39h 39mEmirates
Deal found 3/30$4,396

Cheapflights Fare Finder

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 March 31, 2025.
Use the filters below to find and compare flights from Sofia to Colorado that are best for you.

Fly from

Sofia

Fly to

Colorado

Route

Depart

Return

Price

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Sun 5/4

9:10 pm-4:25 pm

1 stop28h 15m

Denver Intl

Sun 5/11

6:35 pm-7:10 pm

1 stop15h 35m

$688

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Sun 5/4

6:10 am-6:55 pm

2 stops45h 45m

Denver Intl

Sun 5/11

4:40 pm-2:30 am

2 stops24h 50m

$742

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Sun 5/4

6:00 am-1:45 pm

1 stop16h 45m

Denver Intl

Sun 5/11

8:20 pm-6:40 pm

1 stop13h 20m

$773

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Sun 5/4

6:00 am-10:27 am

2 stops37h 27m

Denver Intl

Sun 5/11

9:40 am-6:40 pm

2 stops24h 00m

$821

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Wed 6/11

5:45 am-9:45 pm

3 stops25h 00m

$456

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Wed 9/24

9:30 pm-10:16 pm

2 stops33h 46m

$707

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Wed 9/24

9:30 pm-4:25 pm

1 stop27h 55m

$709

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Tue 6/3

7:00 am-3:30 pm

1 stop17h 30m

$710

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Tue 6/3

7:00 am-3:34 pm

2 stops17h 34m

$715

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Mon 6/9

1:30 pm-10:58 pm

2 stops42h 28m

$717

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 12 results
1
2

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.

Cheapflights Insights

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

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 March 31, 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 March 31, 2025.
KLM
7.8
Good
1,321 reviews

Comfort

7.7

Entertainment

7.1

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,321 reviews
KLM
7.8
Good
1,321 reviews

Comfort

7.7

Entertainment

7.1

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Qatar Airways
7.4
Good
3,541 reviews
KLM
7.8
Good
1,321 reviews

Comfort

7.7

Entertainment

7.1

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Air France
7.4
Good
1,425 reviews
KLM
7.8
Good
1,321 reviews

Comfort

7.7

Entertainment

7.1

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
United Airlines
7.4
Good
8,614 reviews
KLM
7.8
Good
1,321 reviews

Comfort

7.7

Entertainment

7.1

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,321 reviews

Comfort

7.7

Entertainment

7.1

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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.

  • What are the cheapest airlines to fly from Sofia to Colorado one-way?

    $707 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on American Airlines and Air France, with prices starting from $709 and $710, respectively.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sofia to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
Sofia to Fort Lauderdale flights
Sofia to John F Kennedy Intl flights
Sofia to Newark flights
Sofia to Miami flights
Sofia to West Palm Beach flights
Sofia to Los Angeles flights
Sofia to LaGuardia flights
Sofia to O'Hare Intl flights
Sofia to Boston flights
Sofia to Seattle flights
Sofia to Baltimore flights
Sofia to San Francisco flights
Sofia to Midway flights
Sofia to Dulles Intl flights
Sofia to Minneapolis flights
Sofia to Orlando flights
Sofia to Tampa flights
Sofia to Ontario flights
Sofia to San Jose flights
Sofia to Las Vegas flights
Sofia to Charlotte flights
Sofia to Santa Ana flights
Sofia to Dallas/Fort Worth flights
Sofia to Denver flights
Sofia to Raleigh flights
Sofia to Honolulu flights
Sofia to Norfolk flights
Sofia to Kailua-Kona flights
Sofia to Indianapolis flights
Sofia to Hobby flights
Sofia to Providence flights
Sofia to Fayetteville flights
Sofia to Richmond flights
Sofia to Tulsa flights
Sofia to Philadelphia flights
Sofia to Portland flights
Sofia to Oakland flights
Sofia to George Bush Intcntl flights
Sofia to Florence flights
Sofia to Detroit flights

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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$639Average$747FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$718Average$785FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$737Average$904FlexibilityNo cancel feeOn-time76%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.