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$434+ Cheap flights from Sofia (SOF) to Denver (DEN)

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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — DEN
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Sofia to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Sofia (SOF) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$728
(Cheapflightsfares)

One-way from

$434
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$841
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 Denver Intl
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One-way flight from Sofia to Denver Intl
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High demand for flights, 5% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Sofia to Denver

Best flights from Sofia to Denver
Discover carefully curated flight deals from Sofia to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2024.

This Cheapflightsfares deal was found by Cheapflights users on 12/18. 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.
Thu 2/206:10 amSOF - DEN
1 stop16h 30mLufthansa
Thu 3/276:45 pmDEN - SOF
1 stop15h 10mLufthansa
Deal found 12/18$728
This KLM deal was found by Cheapflights users on 12/18. 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.
Thu 2/207:00 amSOF - DEN
2 stops19h 03mKLM
Thu 3/2710:38 amDEN - SOF
2 stops19h 27mKLM
Deal found 12/18$739
This United Airlines deal was found by Cheapflights users on 12/18. 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.
Thu 2/206:10 amSOF - DEN
1 stop16h 30mUnited Airlines
Thu 3/2711:48 amDEN - SOF
2 stops17h 12mUnited Airlines
Deal found 12/18$755
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Thu 1/27:10 amSOF - DEN
2 stops51h 27mMultiple Airlines
Mon 1/65:30 pmDEN - SOF
1 stop16h 10mMultiple Airlines
Deal found 12/17$1,364
This Turkish Airlines deal was found by Cheapflights users on 12/17. 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 1/29:40 pmSOF - DEN
1 stop29h 00mTurkish Airlines
Mon 1/63:06 pmDEN - SOF
2 stops38h 59mTurkish Airlines
Deal found 12/17$2,236
This Qatar Airways deal was found by Cheapflights users on 12/17. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/212:30 pmSOF - DEN
2 stops44h 06mQatar Airways
Sun 1/512:44 amDEN - SOF
2 stops25h 41mQatar Airways
Deal found 12/17$4,061

Find flights from Sofia to Denver within your budget

Customize your flight search to find flights from Sofia to Denver 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 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Thu 2/20

6:10 am-1:40 pm

1 stop16h 30m

Denver Intl

Thu 3/27

6:45 pm-5:55 pm

1 stop15h 10m

$728

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Thu 2/20

7:00 am-5:03 pm

2 stops19h 03m

Denver Intl

Thu 3/27

10:38 am-2:05 pm

2 stops19h 27m

$739

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Thu 2/20

6:10 am-1:40 pm

1 stop16h 30m

Denver Intl

Thu 3/27

11:48 am-1:00 pm

2 stops17h 12m

$755

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Thu 1/2

7:10 am-1:37 am

2 stops51h 27m

Denver Intl

Mon 1/6

5:30 pm-6:40 pm

1 stop16h 10m

$1,364

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Thu 1/2

9:40 pm-5:40 pm

1 stop29h 00m

Denver Intl

Mon 1/6

3:06 pm-3:05 pm

2 stops38h 59m

$2,236

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Thu 1/2

12:30 pm-11:36 pm

2 stops44h 06m

Denver Intl

Sun 1/5

12:44 am-11:25 am

2 stops25h 41m

$4,061

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Fri 2/28

6:30 am-9:08 am

2 stops35h 38m

$434

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Fri 2/28

8:00 am-11:30 pm

3 stops24h 30m

$781

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Thu 2/27

1:10 am-8:23 pm

2 stops28h 13m

$2,839

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Compare providers for flights from Sofia to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sofia to Denver in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sofia-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sofia-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sofia-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sofia-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sofia-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sofia to Denver

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

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

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

Currently, October is the cheapest month in which you can book a flight from Sofia to Denver (average of $197). Flying from Sofia to Denver in March is currently the most expensive (average of $271). 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 DEN?

Find hourly flight availability from Sofia to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

Unlike in the morning, when flights are generally more expensive, you can save up to 16% on flights from Sofia to Denver by exploring options for tickets in the afternoon.

Rainfall in Denver by month

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

In terms of precipitation, rainfall in Denver 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 Denver when rainfall is around 0.5 in.

Temperature in Denver by month

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

If weather is an important factor for your trip to Denver, 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 Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated December 18, 2024.
Emirates
8.1
Very good
3,412 reviews

Food

7.9

Entertainment

8.2

Crew

8.3

Overall

8.1

Boarding

8.1

Comfort

8.0

Reviews

1 / 10

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Emirates
8.1
Very good
3,412 reviews
Emirates
8.1
Very good
3,412 reviews

Food

7.9

Entertainment

8.2

Crew

8.3

Overall

8.1

Boarding

8.1

Comfort

8.0

Reviews

1 / 10

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

KLM
7.8
Good
1,349 reviews
Emirates
8.1
Very good
3,412 reviews

Food

7.9

Entertainment

8.2

Crew

8.3

Overall

8.1

Boarding

8.1

Comfort

8.0

Reviews

1 / 10

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Qatar Airways
7.5
Good
3,798 reviews
Emirates
8.1
Very good
3,412 reviews

Food

7.9

Entertainment

8.2

Crew

8.3

Overall

8.1

Boarding

8.1

Comfort

8.0

Reviews

1 / 10

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

United Airlines
7.4
Good
9,059 reviews
Emirates
8.1
Very good
3,412 reviews

Food

7.9

Entertainment

8.2

Crew

8.3

Overall

8.1

Boarding

8.1

Comfort

8.0

Reviews

1 / 10

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Turkish Airlines
7.3
Good
3,907 reviews
Emirates
8.1
Very good
3,412 reviews

Food

7.9

Entertainment

8.2

Crew

8.3

Overall

8.1

Boarding

8.1

Comfort

8.0

Reviews

1 / 10

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Related info for your journey

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

  • What are the cheapest airlines flying from Sofia to Denver round-trip?

    Lufthansa, at $728, was found to be the cheapest airline from Sofia to Denver.Alternate airlines to your destination round-trip include KLM and United Airlines. Lufthansa is priced at 12% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Sofia to Denver (average of $197). Flying from Sofia to Denver in March is currently the most expensive (average of $271). 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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Top 3 airlines flying from Sofia to Denver

Discover the top 3 airlines that operate flights from Sofia to Denver. 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 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$639Average$712FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$730Average$900FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$731Average$790FlexibilityNo cancel feeOn-time69%
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