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

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The best prices from Denver Intl to Sofia are usually found in March or December, booked 27 days in advance, depart on a Thursday or Tuesday and return on a Wednesday

How to find the cheapest flight from
Denver (DEN) to Sofia (SOF)

All the information you need to plan the best DEN to SOF flight in 2022: compare Denver to Sofia flight prices with the expected peak season, weather and rainfall in Sofia.
DEN - SOF
Price
$480 - $1,353
SOF
Temperature
30.2 - 68 °F
SOF
Rainfall
1.2 - 2.8 inches

Popular in

June

High demand for flights, 36% potential price rise

Cheapest in

March

Best time to find cheap flights, 45% potential price drop

Average price

$1,300

Average for round-trip flights in July 2022

Round-trip from

$480

From Denver Intl to Sofia

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
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 28 days early can save you up to 89% on average compared to booking a flight this week. If booking 28 days before your flight isn’t an option for you, users have found flights from Denver to Sofia for as little as $1,204 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 $1,657 for flights departing within the next 3 days.

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

March can be a great time to fly to Sofia from Denver with a flight ticket averaging about $873. Cheapflights users have found deals in the month of March for as cheap as $454. The most expensive prices can be found in the month of June.

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 Saturday. 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.

When is the cheapest time to fly from Denver to Sofia (DEN - SOF)?

It’s typically best to fly out from Denver to Sofia in the morning. Doing so could potentially save you 40% on the flight price compared to flying in the evening, which is usually more expensive.

Cheap flights from Denver to Sofia in July, August 2022

The best prices found for DEN to SOF flights for July, August
1 Aug - 31 Aug
$1,194pp
DEN
Denver Intl
Lufthansa
   
2 STOPS
SOF
Sofia
SOF
Sofia
Lufthansa
 
1 STOP
DEN
Denver Intl
31 Jul - 30 Aug
$1,223pp
DEN
Denver Intl
United Airlines
   
2 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
 
1 STOP
DEN
Denver Intl
31 Jul - 30 Aug
$1,235pp
DEN
Denver Intl
United Airlines
   
2 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
   
2 STOPS
DEN
Denver Intl

Denver Intl to Sofia 2022 flight deals

Cheap flights to Sofia from Denver found for this year
19 Oct - 2 Nov
$840pp
DEN
Denver Intl
Multiple Airlines
   
2 STOPS
SOF
Sofia
SOF
Sofia
Multiple Airlines
 
1 STOP
DEN
Denver Intl
19 Oct - 2 Nov
$851pp
DEN
Denver Intl
Multiple Airlines
 
1 STOP
SOF
Sofia
SOF
Sofia
Multiple Airlines
 
1 STOP
DEN
Denver Intl
19 Oct - 2 Nov
$870pp
DEN
Denver Intl
Air Canada
   
2 STOPS
SOF
Sofia
SOF
Sofia
Air Canada
   
2 STOPS
DEN
Denver Intl

Last minute flights from Denver to Sofia

Late deals on round-trip flights to Sofia from Denver, departing today and this week
11 Jul - 17 Aug
$1,559pp
DEN
Denver Intl
Multiple Airlines
   
2 STOPS
SOF
Sofia
SOF
Sofia
Lufthansa
 
1 STOP
DEN
Denver Intl
11 Jul - 17 Aug
$1,701pp
DEN
Denver Intl
Multiple Airlines
   
2 STOPS
SOF
Sofia
SOF
Sofia
Multiple Airlines
     
3 STOPS
DEN
Denver Intl
11 Jul - 17 Aug
$1,843pp
DEN
Denver Intl
Austrian Airlines
   
2 STOPS
SOF
Sofia
SOF
Sofia
Austrian Airlines
   
2 STOPS
DEN
Denver Intl

One-way flights to Sofia from Denver

The cheapest one-way flights from Denver to Sofia
12:10 pm - 2:35 pm
Lufthansa
1 Stop
17h 25m
DEN - SOF
Lufthansa
$709
Kiwi.com
12:10 pm - 7:00 pm
Lufthansa
1 Stop
21h 50m
DEN - SOF
Lufthansa
$931
Kiwi.com
3:30 pm - 9:20 am
Multiple Airlines
1 Stop
32h 50m
DEN - SOF
Multiple Airlines
$1,196
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Denver</span> to <span class="emphasized">Sofia</span> flights.

Flight FAQs

From Denver to Sofia

Which airlines flying from Denver Intl to Sofia have flexible cancellations due to COVID-19?

Some of our airline partners flying from Denver Intl to Sofia have new flexible policies in place due to COVID-19. Lufthansa, United Airlines, and Air Canada are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Lufthansa with this kind of flexibility.

Can I find flights from Denver to Sofia for under $900 on Cheapflights?

Yes, there are multiple flights from Denver to Sofia for under $900. The cheapest flight booked recently is on Multiple Airlines for just $840, but on average you can expect to pay $905.

Are there last-minute flights available from Denver to Sofia for under $1,600?

There are currently 11+ open flights from Denver to Sofia within the next 7 days for less than $1,600.

How popular is this Denver to Sofia flight route?

The Denver Intl to Sofia flight path was viewed by 14 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

Our cheapest airline available from Denver to Sofia is Air Canada. Our recent data shows that you can find tickets from as low as $870 on this airline. Additional options worth looking into are Lufthansa and American Airlines, starting at $891 and $905 round-trip.

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 KLM as they are the most popular for this route.

What are the cheapest flights from Denver to Sofia?

On average you can expect to pay $2,475 for a flight from Denver to Sofia. The cheapest flight overall is $856 while the most popular route, (Denver Intl - Sofia) is currently priced at $840.

COVID Restrictions

View COVID Travel Restrictions for Sofia, Bulgaria

Do I need a COVID test to fly to Sofia from Denver?

Information is based on travel restrictions from Denver Intl to Sofia

Most visitors from Denver Intl can enter Sofia without restrictions.

COVID-19 testing requirements
Visitors from Denver Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering Sofia.

Quarantine requirements
Visitors from Denver Intl are not required to quarantine after entering Sofia.

Do I need a test to fly back to Denver from Sofia?

Returning to Denver Intl from Sofia

COVID-19 testing requirements
Visitors from Sofia are not required to present a negative COVID-19 PCR test or antigen result upon entering Denver Intl.

Quarantine requirements
Visitors from Sofia are not required to quarantine after entering Denver Intl.

Hide COVID Travel Restrictions for Sofia, Bulgaria

Alternative routes for Denver to Sofia

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Sofia

Things to know before you go - useful duration and weather info for your trip from Denver to Sofia.
Today's exchange rate
$1 = 1.88 Лв
Average temperature for July in Sofia
82.4 °F
Avg rainfall for July in Sofia
2.6 ″

Airports servicing Denver

Airports servicing Sofia

Top 3 airlines flying from Denver Intl to Sofia

The chart below displays the airlines Cheapflights users traveling from Denver to Sofia choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
United Airlines
$475 $1,320 No cancel fee 69%
Lufthansa
$488 $1,269 No cancel fee 76%
Air Canada
$676 $1,173 No cancel fee 67%
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