HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Sofia (SOF) to Denver (DEN) from $742

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 10/23. 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.
SOF — DEN
Jun 4 — Jun 111
From?
To?
Tue 6/4
Tue 6/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 May 30, 2024.

Popular in

January

Cheapest in

July

Average price

$817

Round-trip from

$192
High demand for flights, 33% potential price rise
Search Deals
Best time to find cheap flights, 17% potential price drop
Search Deals
Average for round-trip flights in May 2024
Search Deals
From Sofia to Denver Intl
Search Deals

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

Users have found that leaving on a Friday can be a cost-effective option. It’s possible to save up to 16% on your flight compared to booking on days when demand is much higher.

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

The best pricing can be found in the month of July. Prices to Denver from Sofia average $861. You can even find prices in July for less than $861, as users have found deals to Denver from as low as $671. The month of January appears to be one of the more expensive times to travel to Denver from Sofia. Flying in the targeted month can save you up to 49%.

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

Unlike in the morning, when flights are generally more expensive, you can save up to 15% on flights from Sofia to Denver by exploring options for tickets in the evening.

Cheap Turkish Airlines flights from Sofia to Denver

Explore cheap flight options specifically provided by Turkish Airlines for the route between Sofia and Denver. 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 2,784,634 searches. Data last updated May 30, 2024.
Peruse some of the lowest-priced Turkish Airlines flights we've found from Sofia to Denver. It's recommended that users confirm their flight details before booking.
Sat 8/319:10 pmSOF - DEN
1 stop29h 30mTurkish Airlines
Sun 9/227:35 pmDEN - SOF
1 stop34h 20mTurkish Airlines
Deal found 5/29$771
Mon 6/109:10 pmSOF - DEN
1 stop28h 00mTurkish Airlines
Tue 6/187:35 pmDEN - SOF
1 stop27h 55mTurkish Airlines
Deal found 5/29$804
Sat 8/313:45 pmSOF - DEN
1 stop34h 55mTurkish Airlines
Sun 9/226:03 amDEN - SOF
2 stops17h 27mTurkish Airlines
Deal found 5/29$943

Cheap Lufthansa flights from Sofia to Denver

Explore cheap flight options specifically provided by Lufthansa for the route between Sofia and Denver. 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 2,784,634 searches. Data last updated May 30, 2024.
Take a gander at the lowest prices we've found on Lufthansa flights from Sofia to Denver. Deals frequently update to provide users with more options.
Wed 10/2312:55 pmSOF - DEN
1 stop14h 45mLufthansa
Wed 11/274:25 pmDEN - SOF
1 stop16h 45mLufthansa
Deal found 5/29$750
Thu 10/316:05 amSOF - DEN
1 stop21h 45mLufthansa
Fri 12/63:50 pmDEN - SOF
1 stop17h 00mLufthansa
Deal found 5/29$754
Mon 6/106:00 amSOF - DEN
1 stop21h 35mLufthansa
Tue 6/188:20 pmDEN - SOF
2 stops17h 40mLufthansa
Deal found 5/29$813
Mon 6/102:05 pmSOF - DEN
2 stops18h 10mLufthansa
Tue 6/188:20 pmDEN - SOF
2 stops17h 40mLufthansa
Deal found 5/29$824
Mon 6/106:00 amSOF - DEN
1 stop21h 35mLufthansa
Mon 6/174:05 pmDEN - SOF
1 stop35h 05mLufthansa
Deal found 5/29$835
Mon 6/106:00 amSOF - DEN
2 stops24h 54mLufthansa
Mon 6/174:05 pmDEN - SOF
1 stop35h 05mLufthansa
Deal found 5/29$841
Fri 9/66:30 amSOF - DEN
1 stop18h 10mLufthansa
Sat 9/283:55 pmDEN - SOF
1 stop21h 40mLufthansa
Deal found 5/30$851
Fri 9/66:30 amSOF - DEN
1 stop18h 10mLufthansa
Sat 9/283:55 pmDEN - SOF
1 stop21h 40mLufthansa
Deal found 5/29$853

Cheap Sofia to Denver flights in May & June 2024

Find cheap flight options from Sofia to Denver specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on May 30, 2024.
These are some of the most attractive deals on flights from Sofia to Denver in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Mon 6/172:05 pmSOF - DEN
2 stops27h 37mUnited Airlines
Mon 6/245:30 pmDEN - SOF
2 stops20h 30mUnited Airlines
Deal found 5/30$747
Mon 6/176:00 amSOF - DEN
1 stop17h 20mLufthansa
Mon 6/245:35 pmDEN - SOF
2 stops20h 25mLufthansa
Deal found 5/30$802
Mon 6/109:10 pmSOF - DEN
1 stop28h 00mTurkish Airlines
Tue 6/187:35 pmDEN - SOF
1 stop27h 55mTurkish Airlines
Deal found 5/29$804
Mon 6/176:00 amSOF - DEN
1 stop17h 20mUnited Airlines
Mon 6/245:35 pmDEN - SOF
1 stop32h 45mUnited Airlines
Deal found 5/30$807
Mon 6/176:30 amSOF - DEN
2 stops25h 45mLufthansa
Mon 6/245:35 pmDEN - SOF
2 stops20h 25mLufthansa
Deal found 5/30$813
Mon 6/102:05 pmSOF - DEN
2 stops18h 10mLufthansa
Tue 6/188:20 pmDEN - SOF
2 stops17h 40mLufthansa
Deal found 5/29$824
Mon 6/106:00 amSOF - DEN
1 stop21h 35mLufthansa
Mon 6/174:05 pmDEN - SOF
1 stop35h 05mLufthansa
Deal found 5/29$835
Mon 6/106:00 amSOF - DEN
2 stops24h 54mLufthansa
Mon 6/174:05 pmDEN - SOF
1 stop35h 05mLufthansa
Deal found 5/29$841
Mon 6/106:30 amSOF - DEN
2 stops37h 00mAir Canada
Mon 6/177:45 amDEN - SOF
2 stops18h 35mAir Canada
Deal found 5/29$922

Sofia to Denver 2024 flight deals

Discover exclusive flight deals for travel between Sofia and Denver in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
These are some of the most attractive deals on flights from Sofia to Denver in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 10/236:30 amSOF - DEN
2 stops21h 42mAir Canada
Tue 12/311:48 amDEN - SOF
2 stops21h 22mAir Canada
Deal found 5/29$742
Wed 10/232:05 pmSOF - DEN
2 stops28h 44mUnited Airlines
Wed 11/275:35 pmDEN - SOF
2 stops15h 35mUnited Airlines
Deal found 5/29$746
Mon 6/172:05 pmSOF - DEN
2 stops27h 37mUnited Airlines
Mon 6/245:30 pmDEN - SOF
2 stops20h 30mUnited Airlines
Deal found 5/30$747
Wed 10/236:30 amSOF - DEN
2 stops20h 33mUnited Airlines
Tue 12/38:20 pmDEN - SOF
1 stop17h 25mUnited Airlines
Deal found 5/29$748
Wed 10/236:00 amSOF - DEN
1 stop21h 40mLufthansa
Tue 12/38:20 pmDEN - SOF
1 stop17h 25mLufthansa
Deal found 5/29$750
Thu 10/316:05 amSOF - DEN
1 stop21h 45mLufthansa
Fri 12/63:50 pmDEN - SOF
1 stop17h 00mLufthansa
Deal found 5/29$754
Thu 10/314:00 pmSOF - DEN
2 stops39h 18mMultiple Airlines
Fri 12/65:35 pmDEN - SOF
2 stops20h 10mMultiple Airlines
Deal found 5/29$760
Sat 8/319:10 pmSOF - DEN
1 stop29h 30mTurkish Airlines
Sun 9/227:35 pmDEN - SOF
1 stop34h 20mTurkish Airlines
Deal found 5/29$771
Fri 9/66:30 amSOF - DEN
2 stops22h 06mAir Canada
Sat 9/2811:20 amDEN - SOF
2 stops17h 00mAir Canada
Deal found 5/30$791

Sofia to Denver flights leaving soon

Find last-minute flight options from Sofia to Denver for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Users seeking a last-minute flight from Sofia to Denver should consider booking one of these fares. Tip: verify your flight details before completing your reservation.
Wed 6/56:30 amSOF - DEN
2 stops22h 56mMultiple Airlines
Sun 6/95:55 pmDEN - SOF
1 stop31h 15mMultiple Airlines
Deal found 5/29$2,944
Wed 6/56:30 amSOF - DEN
2 stops20h 28mAir Canada
Sun 6/95:32 pmDEN - SOF
2 stops32h 48mAir Canada
Deal found 5/29$2,971
Wed 6/56:00 amSOF - DEN
1 stop17h 20mMultiple Airlines
Sun 6/95:55 pmDEN - SOF
1 stop31h 15mMultiple Airlines
Deal found 5/29$3,097
Wed 6/56:00 amSOF - DEN
1 stop17h 20mMultiple Airlines
Sun 6/95:55 pmDEN - SOF
1 stop31h 15mMultiple Airlines
Deal found 5/30$3,101
Wed 6/58:00 amSOF - DEN
2 stops21h 26mMultiple Airlines
Sun 6/95:55 pmDEN - SOF
1 stop31h 15mMultiple Airlines
Deal found 5/30$3,203
Wed 6/56:00 amSOF - DEN
2 stops23h 26mAir Canada
Sun 6/911:15 amDEN - SOF
2 stops17h 05mAir Canada
Deal found 5/30$3,270

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 2,784,634 searches. Data last updated May 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$742 - $968

Route

Depart

Return

Price

SofiaDenver Intl

SOF - DEN

SOFDEN

Sofia

Wed 10/23

2 stops21h 42m

Denver Intl

Tue 12/3

2 stops21h 22m

$742

SofiaDenver Intl

SOF - DEN

SOFDEN

Sofia

Wed 10/23

2 stops28h 44m

Denver Intl

Wed 11/27

2 stops15h 35m

$746

SofiaDenver Intl

SOF - DEN

SOFDEN

Sofia

Wed 10/23

2 stops20h 33m

Denver Intl

Tue 12/3

1 stop17h 25m

$748

SofiaDenver Intl

SOF - DEN

SOFDEN

Sofia

Wed 10/23

1 stop14h 45m

Denver Intl

Wed 11/27

1 stop16h 45m

$750

SofiaDenver Intl

SOF - DEN

SOFDEN

Sofia

Thu 10/31

1 stop21h 45m

Denver Intl

Fri 12/6

1 stop17h 00m

$754

SofiaDenver Intl

SOF - DEN

SOFDEN

Sofia

Thu 10/31

2 stops39h 18m

Denver Intl

Fri 12/6

2 stops20h 10m

$760

SofiaDenver Intl

SOF - DEN

SOFDEN

Sofia

Sat 8/31

1 stop29h 30m

Denver Intl

Sun 9/22

1 stop34h 20m

$771

SofiaDenver Intl

SOF - DEN

SOFDEN

Sofia

Fri 9/6

2 stops22h 06m

Denver Intl

Sat 9/28

2 stops17h 00m

$791

SofiaDenver Intl

SOF - DEN

SOFDEN

Sofia

Sat 8/31

2 stops34h 41m

Denver Intl

Sun 9/22

2 stops57h 05m

$968

Flights are sorted by cheapest first

Deals found on 5/29

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

Use this chart to determine the cheapest time to fly round-trip from Sofia to Denver. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Sofia to Denver flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday 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 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.

Temperature and rainfall in Denver by month

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

DEN

Temperature

30.2 - 73.4 °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 May 30, 2024.
Get a feel of what it's like to fly with Turkish Airlines, Lufthansa and Air Canada from Sofia to Denver by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.7
Good
1,023 reviews
Check prices

Boarding

7.6

Entertainment

6.9

Food

6.8

Overall

7.7

Crew

8.1

Comfort

7.4

Reviews

1 / 10

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

Austrian Airlines
7.7
Good
1,023 reviews
Austrian Airlines
7.7
Good
1,023 reviews
Check prices

Boarding

7.6

Entertainment

6.9

Food

6.8

Overall

7.7

Crew

8.1

Comfort

7.4

Reviews

1 / 10

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

Turkish Airlines
7.4
Good
3,711 reviews
Austrian Airlines
7.7
Good
1,023 reviews
Check prices

Boarding

7.6

Entertainment

6.9

Food

6.8

Overall

7.7

Crew

8.1

Comfort

7.4

Reviews

1 / 10

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

United Airlines
7.4
Good
10,777 reviews
Austrian Airlines
7.7
Good
1,023 reviews
Check prices

Boarding

7.6

Entertainment

6.9

Food

6.8

Overall

7.7

Crew

8.1

Comfort

7.4

Reviews

1 / 10

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

Air Canada
7.0
Good
7,004 reviews
Austrian Airlines
7.7
Good
1,023 reviews
Check prices

Boarding

7.6

Entertainment

6.9

Food

6.8

Overall

7.7

Crew

8.1

Comfort

7.4

Reviews

1 / 10

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

Lufthansa
7.0
Good
7,582 reviews
Austrian Airlines
7.7
Good
1,023 reviews
Check prices

Boarding

7.6

Entertainment

6.9

Food

6.8

Overall

7.7

Crew

8.1

Comfort

7.4

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 Sofia to Denver. 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 Sofia to Denver for under $800 on Cheapflights?

    Yes, there are multiple flights from Sofia to Denver for under $800. The cheapest flight booked recently is on Air Canada for just $742, but on average you can expect to pay $815.

  • Are there last-minute flights available from Sofia to Denver for under $3,000?

    There are currently 6+ open flights from Sofia to Denver within the next 7 days for less than $3,000.

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

    Air Canada, at $742, was found to be the cheapest airline from Sofia to Denver.Alternate airlines to your destination round-trip include United Airlines and Lufthansa. Air Canada is priced at 13% lower than the current average price of a flight leaving 3 months from now.

  • What does SOF to DEN mean?

    Great question - SOF to DEN just means Sofia Airport to Denver Intl Airport. Now you’ll know what these unique codes when you look for flights!

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

    The amount of baggage you can bring on your Sofia to Denver 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 Sofia to Denver with specific airlines?

    Yes, Cheapflights allows you to browse and filter Sofia to Denver 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 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.

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

    Many airlines flying from Sofia to Denver 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 Sofia to Denver?

    Yes, you can often find last-minute deals on Sofia to Denver 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 Sofia to Denver flight deals updated?

    The Sofia to Denver flight deals you see on this page were last updated on 5/30.

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

    When booking a flight from Sofia to Denver, you may want to consider flying on Lufthansa, Turkish Airlines or United Airlines as they are the most popular for this route.

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

    Currently, December is the cheapest month in which you can book a flight from Sofia to Denver (average of $192). Flying from Sofia to Denver in July is currently the most expensive (average of $272). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip
Complete your trip to Denver by adding a car rental and/or hotel reservation to your travel itinerary.

Denver car rentals
Denver Intl Airport car rentals
Colorado Springs Airport car rentals
Cheyenne Airport car rentals
Denver Arapahoe Co Airport car rentals
Colorado Springs car rentals
Aurora car rentals
Durango car rentals
Grand Junction car rentals
Aspen car rentals
Pueblo car rentals
Gunnison car rentals

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 2,784,634 searches. Data last updated May 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$669Average$697FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
LufthansaCheapest$702Average$802FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest$731Average$842FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Boston to Florida flights
Jacksonville to Miami flights
Austin to San Francisco flights
Seattle to Las Vegas flights
Newark Airport to Nashville flights
Tampa to Las Vegas flights
Long Beach to Las Vegas flights
Houston to Phoenix flights
San Francisco to Japan flights
Houston to Mexico City flights
San Francisco to Hawaii flights
Sofia to Dallas/Fort Worth Airport flights

Search flights from Sofia to Denver by cabin class

Find flights from Sofia to Denver, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Laayoune Hassan I
Flights to Virac
Flights to Figari-Sud Corse
Flights to Edremit/Korfez
Flights to Rhinelander Oneida County
Flights to Girona Costa Brava
Flights to Brainerd Crow Wing County
Flights to Parikia Paros
Flights to Cortez Montezuma County
Flights to Miyakojima Hirara
Flights to Zadar
Flights to Trapani Birgi
Flights to Provincetown
Flights to Oran Es Senia
Flights to Constanţa Mihail Kogalniceanu
Flights to Vava'u Lupepau'U
Flights to Urumqi
Flights to Hakodate
Flights to Naxos
Flights to Dalaman
Flights to Hyannis Barnstable
Flights to Devils Lake
Flights to Bastia Poretta
Flights to Karpathos

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 Sofia to Denver?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Sofia to Denver. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights simply makes it quick and affordable to book flights from Sofia to Denver by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Need flexible booking options for your flight to Denver from Sofia? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Sofia to Denver flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines