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Cheap flights from Denver (DEN) to Sofia (SOF) from $602

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 11/22. 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 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
1 adult, Economy
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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 Thursday 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 2, 2024.

Popular in

June

Cheapest in

December

Round-trip from

$660

One-way from

$602
High demand for flights, 29% potential price rise
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Best time to find cheap flights, 37% potential price drop
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From Denver Intl to Sofia
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One-way flight from Denver Intl to Sofia
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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 Turkish Airlines flights from Denver to Sofia

Explore cheap flight options specifically provided by Turkish Airlines for the route between Denver and Sofia. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,807,690 searches. Data last updated June 2, 2024.
Find some of the cheapest Turkish Airlines flights traveling from Denver to Sofia. Deals update often to give you more flight options matching your criteria
Mon 9/26:03 amDEN - SOF
2 stops29h 17mTurkish Airlines
Tue 9/179:20 amSOF - DEN
1 stop17h 20mTurkish Airlines
Deal found 6/1$694
Mon 9/26:03 amDEN - SOF
2 stops29h 17mTurkish Airlines
Tue 9/179:10 pmSOF - DEN
2 stops33h 44mTurkish Airlines
Deal found 6/1$696
Mon 9/26:03 amDEN - SOF
2 stops17h 27mTurkish Airlines
Tue 9/179:20 amSOF - DEN
1 stop17h 20mTurkish Airlines
Deal found 6/2$732
Mon 9/26:03 amDEN - SOF
2 stops47h 52mTurkish Airlines
Tue 9/179:20 amSOF - DEN
2 stops45h 34mTurkish Airlines
Deal found 6/2$765

Cheap Lufthansa flights from Denver to Sofia

Explore cheap flight options specifically provided by Lufthansa for the route between Denver and Sofia. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,807,690 searches. Data last updated June 2, 2024.
Some of the best deals we've found on Lufthansa flights traveling from Denver to Sofia. Deals are refreshing constantly so come back soon for more options.
Mon 9/24:05 pmDEN - SOF
1 stop21h 55mLufthansa
Tue 9/177:30 pmSOF - DEN
1 stop27h 50mLufthansa
Deal found 6/2$914
Wed 7/104:05 pmDEN - SOF
1 stop21h 55mLufthansa
Fri 8/236:30 amSOF - DEN
1 stop18h 10mLufthansa
Deal found 6/1$967
Wed 6/194:05 pmDEN - SOF
1 stop17h 40mLufthansa
Mon 6/246:00 amSOF - DEN
1 stop17h 20mLufthansa
Deal found 6/1$1,242

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 2,807,690 searches. Prices were last updated on June 2, 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 6/194:00 pmDEN - SOF
2 stops19h 30mBritish Airways
Mon 6/248:00 pmSOF - DEN
2 stops34h 59mBritish Airways
Deal found 6/1$1,157
Wed 6/194:05 pmDEN - SOF
1 stop17h 40mUnited Airlines
Mon 6/246:00 amSOF - DEN
2 stops26h 14mUnited Airlines
Deal found 6/1$1,162
Sun 6/166:10 amDEN - SOF
2 stops31h 50mUnited Airlines
Wed 7/316:00 amSOF - DEN
2 stops26h 15mUnited Airlines
Deal found 6/1$1,207
Wed 6/194:05 pmDEN - SOF
1 stop17h 40mLufthansa
Mon 6/246:00 amSOF - DEN
1 stop17h 20mLufthansa
Deal found 6/1$1,242
Sun 6/1612:10 pmDEN - SOF
2 stops37h 00mMultiple Airlines
Wed 7/316:00 amSOF - DEN
1 stop17h 20mMultiple Airlines
Deal found 6/1$1,263
Wed 6/1911:15 amDEN - SOF
3 stops22h 35mMultiple Airlines
Mon 6/249:50 pmSOF - DEN
2 stops28h 50mMultiple Airlines
Deal found 6/1$1,289
Tue 6/1812:55 amDEN - SOF
2 stops34h 35mAmerican Airlines
Mon 6/248:00 pmSOF - DEN
2 stops28h 54mAmerican Airlines
Deal found 6/1$1,305
Wed 6/197:45 amDEN - SOF
3 stops26h 05mMultiple Airlines
Mon 6/246:00 pmSOF - DEN
3 stops32h 40mMultiple Airlines
Deal found 6/1$1,329
Sun 6/164:05 pmDEN - SOF
1 stop21h 55mUnited Airlines
Wed 7/316:00 amSOF - DEN
1 stop17h 20mUnited Airlines
Deal found 6/1$1,355

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 2,807,690 searches. Data last updated June 2, 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.
Mon 9/26:03 amDEN - SOF
2 stops29h 17mTurkish Airlines
Tue 9/179:20 amSOF - DEN
1 stop17h 20mTurkish Airlines
Deal found 6/1$694
Mon 9/26:03 amDEN - SOF
2 stops29h 17mTurkish Airlines
Tue 9/179:10 pmSOF - DEN
2 stops33h 44mTurkish Airlines
Deal found 6/1$696
Fri 8/167:35 pmDEN - SOF
1 stop34h 20mTurkish Airlines
Fri 11/1510:00 amSOF - DEN
1 stop16h 40mTurkish Airlines
Deal found 6/2$726
Mon 9/26:03 amDEN - SOF
2 stops17h 27mTurkish Airlines
Tue 9/179:20 amSOF - DEN
1 stop17h 20mTurkish Airlines
Deal found 6/2$732
Mon 9/26:03 amDEN - SOF
2 stops47h 52mTurkish Airlines
Tue 9/179:20 amSOF - DEN
2 stops45h 34mTurkish Airlines
Deal found 6/2$765
Fri 8/164:05 pmDEN - SOF
1 stop17h 40mLufthansa
Fri 11/152:00 pmSOF - DEN
2 stops18h 18mLufthansa
Deal found 6/2$839
Fri 8/167:45 amDEN - SOF
2 stops19h 25mAir Canada
Fri 11/156:00 amSOF - DEN
2 stops37h 04mAir Canada
Deal found 6/2$848
Mon 9/24:05 pmDEN - SOF
1 stop21h 55mLufthansa
Tue 9/177:30 pmSOF - DEN
1 stop27h 50mLufthansa
Deal found 6/2$914
Mon 9/26:35 pmDEN - SOF
1 stop16h 50mBritish Airways
Tue 9/179:15 pmSOF - DEN
1 stop28h 15mBritish Airways
Deal found 6/1$919

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 2,807,690 searches. Data last updated June 2, 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.
Fri 11/223:40 pmDEN - SOF
3 stops33h 40mMultiple Airlines
Deal found 6/2$602
Fri 11/223:40 pmDEN - SOF
2 stops17h 10mMultiple Airlines
Deal found 6/2$820
Fri 11/227:35 pmDEN - SOF
1 stop28h 35mTurkish Airlines
Deal found 6/2$868

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 2,807,690 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$694 - $1,305

Route

Depart

Return

Price

Denver IntlSofia

DEN - SOF

DENSOF

Denver Intl

Mon 9/2

2 stops29h 17m

Sofia

Tue 9/17

1 stop17h 20m

$694

Denver IntlSofia

DEN - SOF

DENSOF

Denver Intl

Mon 9/2

2 stops29h 17m

Sofia

Tue 9/17

2 stops33h 44m

$696

Denver IntlSofia

DEN - SOF

DENSOF

Denver Intl

Mon 9/2

2 stops17h 27m

Sofia

Tue 9/17

1 stop17h 20m

$732

Denver IntlSofia

DEN - SOF

DENSOF

Denver Intl

Mon 9/2

1 stop21h 55m

Sofia

Tue 9/17

1 stop27h 50m

$914

Denver IntlSofia

DEN - SOF

DENSOF

Denver Intl

Mon 9/2

1 stop16h 50m

Sofia

Tue 9/17

1 stop28h 15m

$919

Denver IntlSofia

DEN - SOF

DENSOF

Denver Intl

Wed 7/10

2 stops19h 25m

Sofia

Fri 8/23

2 stops18h 31m

$942

Denver IntlSofia

DEN - SOF

DENSOF

Denver Intl

Wed 7/10

1 stop21h 55m

Sofia

Fri 8/23

2 stops20h 30m

$957

Denver IntlSofia

DEN - SOF

DENSOF

Denver Intl

Sun 6/16

2 stops37h 00m

Sofia

Wed 7/31

1 stop17h 20m

$1,263

Denver IntlSofia

DEN - SOF

DENSOF

Denver Intl

Tue 6/18

2 stops34h 35m

Sofia

Mon 6/24

2 stops28h 54m

$1,305

Flights are sorted by cheapest first

Deals found on 6/1

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.
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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 2, 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

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 2, 2024.
Read reviews from past customers who have flown Turkish Airlines, Lufthansa 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.
Turkish Airlines
7.4
Good
3,711 reviews
Check prices

Crew

7.8

Boarding

7.4

Comfort

7.4

Entertainment

7.5

Food

7.4

Overall

7.4

Reviews

1 / 10

Maybe the plane was an older one... there was less room than I remember. Certainly less room that Qatar or Emirates. But food was ok. I have flown Turkish Air a few times before and thought I liked the flights better. So maybe it was just me.

Turkish Airlines
7.4
Good
3,711 reviews
Turkish Airlines
7.4
Good
3,711 reviews
Check prices

Crew

7.8

Boarding

7.4

Comfort

7.4

Entertainment

7.5

Food

7.4

Overall

7.4

Reviews

1 / 10

Maybe the plane was an older one... there was less room than I remember. Certainly less room that Qatar or Emirates. But food was ok. I have flown Turkish Air a few times before and thought I liked the flights better. So maybe it was just me.

United Airlines
7.4
Good
10,755 reviews
Turkish Airlines
7.4
Good
3,711 reviews
Check prices

Crew

7.8

Boarding

7.4

Comfort

7.4

Entertainment

7.5

Food

7.4

Overall

7.4

Reviews

1 / 10

Maybe the plane was an older one... there was less room than I remember. Certainly less room that Qatar or Emirates. But food was ok. I have flown Turkish Air a few times before and thought I liked the flights better. So maybe it was just me.

American Airlines
7.3
Good
14,260 reviews
Turkish Airlines
7.4
Good
3,711 reviews
Check prices

Crew

7.8

Boarding

7.4

Comfort

7.4

Entertainment

7.5

Food

7.4

Overall

7.4

Reviews

1 / 10

Maybe the plane was an older one... there was less room than I remember. Certainly less room that Qatar or Emirates. But food was ok. I have flown Turkish Air a few times before and thought I liked the flights better. So maybe it was just me.

Air Canada
7.0
Good
7,021 reviews
Turkish Airlines
7.4
Good
3,711 reviews
Check prices

Crew

7.8

Boarding

7.4

Comfort

7.4

Entertainment

7.5

Food

7.4

Overall

7.4

Reviews

1 / 10

Maybe the plane was an older one... there was less room than I remember. Certainly less room that Qatar or Emirates. But food was ok. I have flown Turkish Air a few times before and thought I liked the flights better. So maybe it was just me.

Lufthansa
7.0
Good
7,557 reviews
Turkish Airlines
7.4
Good
3,711 reviews
Check prices

Crew

7.8

Boarding

7.4

Comfort

7.4

Entertainment

7.5

Food

7.4

Overall

7.4

Reviews

1 / 10

Maybe the plane was an older one... there was less room than I remember. Certainly less room that Qatar or Emirates. But food was ok. I have flown Turkish Air a few times before and thought I liked the flights better. So maybe it was just me.

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 $694, but on average you can expect to pay $1,072.

  • 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 $694 on this airline. Additional options worth looking into are Lufthansa and British Airways, starting at $914 and $919 round-trip. Turkish Airlines is currently priced 37% 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 6/2.

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

    When booking a flight from Denver to Sofia, you may want to consider flying on Air Canada, British Airways or Lufthansa as they are the most popular for this route.

  • 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 $1,270). 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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Browse thousands of different options on Cheapflights for your next trip

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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 2,807,690 searches. Data last updated June 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$593Average$827FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Turkish AirlinesCheapest$717Average$771FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
United AirlinesCheapest$760Average$1,199FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest$778Average$1,223FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest$1,026Average$1,435FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
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Search flights from Denver to Sofia by cabin class

Find flights from Denver to Sofia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Denver to Sofia?

Deals for Denver to Sofia flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Denver to Sofia?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Sofia from Denver.

Can Cheapflights find flights from Denver to Sofia with no change fees?

Certainly. Search results for flights to Sofia from Denver shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Denver to Sofia become cheaper?

Of course! You can now track prices for flights from Denver to Sofia and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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