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Sofia

$518+ Cheap flights from Denver (DEN) to Sofia (SOF)

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SOF
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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The best prices from Denver Intl to Sofia are usually found in March or August, booked 82 days in advance, depart on a Thursday or Sunday and return on a Friday

Cheap flight deals from Denver to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Sofia (SOF). 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

$518
(Justfly.com)

Popular in

May

Cheapest in

March

Average price

$1,159
Provider with most accurate pricing for Denver Intl-Sofia flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Sofia flights.
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From Denver Intl to Sofia
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High demand for flights, 23% potential price rise
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Best time to find cheap flights, 5% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Denver to Sofia

Cheapest flights from Denver to Sofia
Explore the most affordable flight options available from Denver to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2411:25 amDEN - SOF
2 stops17h 05mUnited Airlines
Sat 1/48:00 amSOF - DEN
2 stops34h 00mUnited Airlines
Deal found 12/17$1,870
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.
Tue 12/247:35 pmDEN - SOF
1 stop28h 20mTurkish Airlines
Sat 1/43:55 pmSOF - DEN
1 stop34h 45mTurkish Airlines
Deal found 12/17$2,388
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2411:15 amDEN - SOF
3 stops26h 10mMultiple Airlines
Sat 1/46:00 amSOF - DEN
2 stops19h 38mMultiple Airlines
Deal found 12/17$2,534

Find flights from Denver to Sofia within your budget

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

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Sun 1/12

7:35 pm-8:50 pm

1 stop16h 15m

Sofia

Sat 1/25

3:55 pm-5:40 pm

1 stop34h 45m

$518

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Wed 1/29

4:25 pm-6:10 pm

1 stop16h 45m

Sofia

Fri 2/7

6:20 am-10:35 am

2 stops37h 15m

$693

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Fri 2/28

11:48 am-6:10 pm

2 stops21h 22m

Sofia

Thu 3/20

6:10 am-9:58 pm

2 stops23h 48m

$744

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Fri 1/24

1:30 pm-10:20 am

2 stops35h 50m

Sofia

Mon 2/3

3:00 pm-7:40 pm

2 stops37h 40m

$764

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Sun 1/12

3:40 pm-10:25 pm

3 stops21h 45m

Sofia

Sat 1/25

5:00 am-6:05 pm

3 stops22h 05m

$769

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Sun 2/2

7:45 am-11:50 am

2 stops19h 05m

Sofia

Mon 2/10

8:00 am-5:59 pm

2 stops18h 59m

$869

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Wed 1/1

5:45 pm-10:25 pm

1 stop19h 40m

Sofia

Thu 1/30

6:05 am-2:40 pm

1 stop17h 35m

$981

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Compare providers for flights from Denver to Sofia

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 Denver to Sofia in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust 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 Denver-Sofia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Sofia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Sofia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Sofia 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 Denver-Sofia 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 Denver to Sofia

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

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

How far ahead should I book a flight from Denver to Sofia?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Sofia. Price data was last updated on December 13, 2024.

The price you pay for your flight from Denver to Sofia may vary depending on when you book. For the best chance of a lower fare, look to book 82 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 Denver to Sofia?

Currently, November is the cheapest month in which you can book a flight from Denver to Sofia (average of $632). Flying from Denver to Sofia in June is currently the most expensive (average of $1,243). 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 DEN to SOF?

Find hourly flight availability from Denver 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 December 18, 2024.

It’s typically best to fly out from Denver to Sofia in the evening. Doing so could potentially save you 41% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Sofia by month

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

In terms of precipitation, rainfall in Sofia ranges from 1.2 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Sofia when rainfall is around 1.2 in.

Temperature in Sofia by month

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

If weather is an important factor for your trip to Sofia, 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 68.0 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 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 December 18, 2024.
Read reviews from past customers who have flown Turkish Airlines and United Airlines from Denver to Sofia. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
787 reviews

Crew

8.2

Overall

7.6

Comfort

7.3

Food

6.8

Boarding

7.6

Entertainment

6.8

Reviews

1 / 10

We are paying 200-300 Eur per flight, it is outrageous they don't offer water for free.

Austrian Airlines
7.6
Good
787 reviews
Austrian Airlines
7.6
Good
787 reviews

Crew

8.2

Overall

7.6

Comfort

7.3

Food

6.8

Boarding

7.6

Entertainment

6.8

Reviews

1 / 10

We are paying 200-300 Eur per flight, it is outrageous they don't offer water for free.

SWISS
7.6
Good
1,606 reviews
Austrian Airlines
7.6
Good
787 reviews

Crew

8.2

Overall

7.6

Comfort

7.3

Food

6.8

Boarding

7.6

Entertainment

6.8

Reviews

1 / 10

We are paying 200-300 Eur per flight, it is outrageous they don't offer water for free.

United Airlines
7.4
Good
9,055 reviews
Austrian Airlines
7.6
Good
787 reviews

Crew

8.2

Overall

7.6

Comfort

7.3

Food

6.8

Boarding

7.6

Entertainment

6.8

Reviews

1 / 10

We are paying 200-300 Eur per flight, it is outrageous they don't offer water for free.

Turkish Airlines
7.3
Good
3,907 reviews
Austrian Airlines
7.6
Good
787 reviews

Crew

8.2

Overall

7.6

Comfort

7.3

Food

6.8

Boarding

7.6

Entertainment

6.8

Reviews

1 / 10

We are paying 200-300 Eur per flight, it is outrageous they don't offer water for free.

Air Canada
7.0
Good
8,382 reviews
Austrian Airlines
7.6
Good
787 reviews

Crew

8.2

Overall

7.6

Comfort

7.3

Food

6.8

Boarding

7.6

Entertainment

6.8

Reviews

1 / 10

We are paying 200-300 Eur per flight, it is outrageous they don't offer water for free.

Related info for your journey

Find useful and relevant information for your journey from Denver to Sofia. 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 Denver to Sofia round-trip?

    Our cheapest airline available from Denver to Sofia is Turkish Airlines. Our recent data shows that you can find tickets from as low as $518 on this airline. Additional options worth looking into are United Airlines and Air Canada, starting at $693 and $744 round-trip. Turkish Airlines is currently priced 48% below the average price you’ll pay for this route.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Denver to Sofia (average of $632). Flying from Denver to Sofia in June is currently the most expensive (average of $1,243). 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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Alternative routes for Denver to Sofia

See prices for flight routes from nearby airports that may be better suited for you.
Grand Junction to Sofia flights

Top 5 airlines flying from Denver to Sofia

Discover the top 5 airlines that operate flights from Denver 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 December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$591Average$756FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$598Average$1,035FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$674Average$1,141FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$775Average$1,199FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$988Average$1,346FlexibilityNo cancel feeOn-time67%
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