Cheap flights from Denver (DEN) to Sofia (SOF) from $684

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
DEN — SOF
Jun 16 — Jun 231

The best prices from Denver Intl to Sofia are usually found in December or February, booked 56 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

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 June 11, 2024.

Popular in

June

Cheapest in

December

Average price

$1,566

Round-trip from

$660
High demand for flights, 29% potential price rise
Best time to find cheap flights, 37% potential price drop
Average for round-trip flights in June 2024
From Denver Intl to Sofia

What is the cheapest day to fly round-trip from Denver to Sofia?

Flights from Denver to Sofia are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Sofia.

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

Users have found that booking a flight from Denver to Sofia at least 57 days early can save you up to 4% on average compared to booking a flight this week. If booking 57 days before your flight isn’t an option for you, users have found flights from Denver to Sofia for as little as $551 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $551 for flights departing within the next 3 days.

What is the cheapest month to fly from Denver to Sofia?

December can be a great time to fly to Sofia from Denver with a flight ticket averaging about $1,112. Cheapflights users have found deals in the month of December for as cheap as $551. The most expensive prices can be found in the month of June.

What is the cheapest time of day to fly from DEN to SOF?

It’s typically best to fly out from Denver to Sofia at noon. Doing so could potentially save you 12% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap Denver to Sofia flights in June & July 2024

Find cheap flight options from Denver to Sofia specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,117,830 searches. Prices were last updated on June 11, 2024.
Listed are some of the best fares we've found on flights departing from Denver to Sofia in 2024. More deals are always being added, so be sure to check back regularly.
Wed 7/104:05 pmDEN - SOF
1 stop21h 55mLufthansa
Fri 8/236:30 amSOF - DEN
1 stop18h 10mLufthansa
Deal found 6/10$923
Sun 7/75:35 pmDEN - SOF
1 stop15h 30mLufthansa
Mon 9/27:30 pmSOF - DEN
1 stop27h 50mLufthansa
Deal found 6/10$932
Wed 7/104:05 pmDEN - SOF
1 stop21h 55mLufthansa
Fri 8/236:30 amSOF - DEN
1 stop18h 10mLufthansa
Deal found 6/11$949
Wed 7/104:05 pmDEN - SOF
1 stop21h 55mUnited Airlines
Fri 8/236:30 amSOF - DEN
2 stops22h 07mUnited Airlines
Deal found 6/10$958
Sun 7/74:05 pmDEN - SOF
2 stops17h 00mLufthansa
Mon 9/27:30 pmSOF - DEN
1 stop27h 50mLufthansa
Deal found 6/10$969
Wed 7/1011:20 amDEN - SOF
2 stops17h 00mAir Canada
Fri 8/236:30 amSOF - DEN
2 stops22h 06mAir Canada
Deal found 6/10$972
Wed 7/104:05 pmDEN - SOF
1 stop21h 55mUnited Airlines
Fri 8/236:30 amSOF - DEN
2 stops22h 07mUnited Airlines
Deal found 6/11$987
Wed 7/1011:20 amDEN - SOF
2 stops17h 00mAir Canada
Fri 8/236:30 amSOF - DEN
2 stops18h 31mAir Canada
Deal found 6/11$1,002
Tue 7/94:05 pmDEN - SOF
1 stop21h 55mLufthansa
Tue 7/166:00 amSOF - DEN
2 stops24h 44mLufthansa
Deal found 6/9$1,003

Denver to Sofia 2024 flight deals

Discover exclusive flight deals for travel between Denver and Sofia in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,117,830 searches. Data last updated June 11, 2024.
Listed are some of the best fares we've found on flights departing from Denver to Sofia in 2024. More deals are always being added, so be sure to check back regularly.
Thu 9/57:35 pmDEN - SOF
1 stop27h 55mTurkish Airlines
Mon 9/163:45 pmSOF - DEN
1 stop34h 55mTurkish Airlines
Deal found 6/11$684
Sun 9/227:35 pmDEN - SOF
1 stop34h 20mTurkish Airlines
Sat 10/53:45 pmSOF - DEN
1 stop34h 55mTurkish Airlines
Deal found 6/10$685
Sun 8/187:35 pmDEN - SOF
1 stop15h 45mTurkish Airlines
Thu 9/199:20 amSOF - DEN
1 stop17h 20mTurkish Airlines
Deal found 6/10$718
Thu 8/17:35 pmDEN - SOF
1 stop15h 45mTurkish Airlines
Thu 8/229:10 pmSOF - DEN
1 stop29h 30mTurkish Airlines
Deal found 6/9$725
Sun 8/187:35 pmDEN - SOF
1 stop15h 45mTurkish Airlines
Tue 9/179:20 amSOF - DEN
1 stop17h 20mTurkish Airlines
Deal found 6/10$782
Fri 10/259:45 amDEN - SOF
2 stops18h 35mAir Canada
Sun 11/106:10 amSOF - DEN
2 stops26h 42mAir Canada
Deal found 6/9$783
Fri 10/258:20 pmDEN - SOF
1 stop13h 25mUnited Airlines
Sun 11/106:10 amSOF - DEN
2 stops26h 08mUnited Airlines
Deal found 6/9$792
Sun 10/134:05 pmDEN - SOF
1 stop17h 40mMultiple Airlines
Sun 10/2012:55 pmSOF - DEN
2 stops18h 51mMultiple Airlines
Deal found 6/9$848
Sun 10/139:45 amDEN - SOF
2 stops18h 35mAir Canada
Sun 10/2012:55 pmSOF - DEN
2 stops18h 51mAir Canada
Deal found 6/9$849

One-way flights to Sofia from Denver

Search for one-way flight options from Denver to Sofia. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,117,830 searches. Data last updated June 11, 2024.
Take a look at some of the best available options we've come across on one-way flights from Denver to Sofia. Users can also find round-trip Denver to Sofia flights by using the search form above.
Sun 6/164:05 pmDEN - SOF
1 stop21h 55mLufthansa
Deal found 6/9$964
Sat 6/158:56 pmDEN - SOF
2 stops52h 14mMultiple Airlines
Deal found 6/9$966
Mon 6/174:05 pmDEN - SOF
1 stop21h 55mLufthansa
Deal found 6/9$967
Mon 6/1710:11 amDEN - SOF
2 stops16h 59mUnited Airlines
Deal found 6/9$972
Sun 6/164:05 pmDEN - SOF
2 stops21h 30mUnited Airlines
Deal found 6/9$995
Fri 6/144:05 pmDEN - SOF
1 stop17h 40mLufthansa
Deal found 6/9$1,032
Fri 6/1410:11 amDEN - SOF
2 stops16h 59mUnited Airlines
Deal found 6/9$1,042
Sat 6/158:20 pmDEN - SOF
1 stop30h 50mMultiple Airlines
Deal found 6/9$1,062
Sun 6/165:35 pmDEN - SOF
3 stops21h 20mMultiple Airlines
Deal found 6/9$1,138

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 3,117,830 searches. Data last updated June 11, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$684 - $1,478

Route

Depart

Return

Price

Denver IntlSofia

DEN - SOF

DENSOF

Denver Intl

Thu 9/5

1 stop27h 55m

Sofia

Mon 9/16

1 stop34h 55m

$684

Denver IntlSofia

DEN - SOF

DENSOF

Denver Intl

Sun 9/22

1 stop34h 20m

Sofia

Sat 10/5

1 stop34h 55m

$685

Denver IntlSofia

DEN - SOF

DENSOF

Denver Intl

Fri 10/25

2 stops18h 35m

Sofia

Sun 11/10

2 stops26h 42m

$783

Denver IntlSofia

DEN - SOF

DENSOF

Denver Intl

Fri 10/25

1 stop13h 25m

Sofia

Sun 11/10

2 stops26h 08m

$792

Denver IntlSofia

DEN - SOF

DENSOF

Denver Intl

Sun 10/13

1 stop17h 40m

Sofia

Sun 10/20

2 stops18h 51m

$848

Denver IntlSofia

DEN - SOF

DENSOF

Denver Intl

Mon 8/19

1 stop17h 40m

Sofia

Wed 9/18

1 stop17h 20m

$888

Denver IntlSofia

DEN - SOF

DENSOF

Denver Intl

Mon 8/19

1 stop16h 50m

Sofia

Tue 9/17

1 stop28h 15m

$891

Denver IntlSofia

DEN - SOF

DENSOF

Denver Intl

Sun 9/22

2 stops19h 23m

Sofia

Sat 10/5

2 stops33h 16m

$955

Denver IntlSofia

DEN - SOF

DENSOF

Denver Intl

Sat 7/27

2 stops21h 45m

Sofia

Sun 8/4

2 stops27h 55m

$1,478

Flights are sorted by cheapest first

Deals found on 6/11

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 May 31, 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 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

What is the cheapest day to fly from Denver to Sofia?

Use this chart to determine the cheapest time to fly round-trip from Denver to Sofia. Price data was last updated on June 9, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Denver to Sofia flight should consider departing on Thursday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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.

Temperature and rainfall in Sofia by month

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

SOF

Temperature

30.2 - 68 °F

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 June 11, 2024.
Read reviews from past customers who have flown Lufthansa, Turkish Airlines and British Airways 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.
7.7
Good
990 reviews

Comfort

7.5

Entertainment

6.9

Crew

8.2

Overall

7.7

Food

6.9

Boarding

7.6

Reviews

1 / 10

FLight duration is OK, the plane is fine, the food is bad

7.7
Good
990 reviews
7.7
Good
990 reviews

Comfort

7.5

Entertainment

6.9

Crew

8.2

Overall

7.7

Food

6.9

Boarding

7.6

Reviews

1 / 10

FLight duration is OK, the plane is fine, the food is bad

7.4
Good
3,714 reviews
7.7
Good
990 reviews

Comfort

7.5

Entertainment

6.9

Crew

8.2

Overall

7.7

Food

6.9

Boarding

7.6

Reviews

1 / 10

FLight duration is OK, the plane is fine, the food is bad

7.4
Good
10,629 reviews
7.7
Good
990 reviews

Comfort

7.5

Entertainment

6.9

Crew

8.2

Overall

7.7

Food

6.9

Boarding

7.6

Reviews

1 / 10

FLight duration is OK, the plane is fine, the food is bad

7.3
Good
14,129 reviews
7.7
Good
990 reviews

Comfort

7.5

Entertainment

6.9

Crew

8.2

Overall

7.7

Food

6.9

Boarding

7.6

Reviews

1 / 10

FLight duration is OK, the plane is fine, the food is bad

7.0
Good
7,079 reviews
7.7
Good
990 reviews

Comfort

7.5

Entertainment

6.9

Crew

8.2

Overall

7.7

Food

6.9

Boarding

7.6

Reviews

1 / 10

FLight duration is OK, the plane is fine, the food is bad

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.
  • Can I find flights from Denver to Sofia for under $700 on Cheapflights?

    Yes, there are multiple flights from Denver to Sofia for under $700. The cheapest flight booked recently is on Turkish Airlines for just $684, but on average you can expect to pay $836.

  • 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 $684 on this airline. Additional options worth looking into are Air Canada and United Airlines, starting at $783 and $792 round-trip. Turkish Airlines is currently priced 38% below the average price you’ll pay for this route.

  • What does DEN to SOF mean?

    This is defined as Denver Intl Airport (DEN) and Sofia Airport (SOF). Codes like Sofia Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Denver to Sofia that include extra baggage allowance?

    The amount of baggage you can bring on your Denver to Sofia flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Denver to Sofia with specific airlines?

    Yes, Cheapflights allows you to browse and filter Denver to Sofia flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Denver to Sofia that allow pets onboard?

    Many airlines flying from Denver to Sofia offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Denver to Sofia?

    Yes, you can often find last-minute deals on Denver to Sofia flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Denver to Sofia flight deals updated?

    The Denver to Sofia flight deals you see on this page were last updated on 6/11.

  • What are the most popular airlines that fly from Denver to Sofia?

  • 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 $660). Flying from Denver to Sofia in June is currently the most expensive (average of $1,263). 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 Denver to Sofia
See prices for flight routes from nearby airports that may be better suited for you.

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 3,117,830 searches. Data last updated June 11, 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$593Average$827FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$717Average$771FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$761Average$1,198FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$778Average$1,219FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$1,022Average$1,346FlexibilityNo cancel feeOn-time67%

Search flights from Denver to Sofia by cabin class

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