557 € Cheap Flights from Sofia to Denver

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Flight deals from Sofia to Denver

Looking for a cheap last-minute deal or the best return flight from Sofia to Denver? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Sofia to Denver

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sofia to Denver flights are currently cheapest in November.

Alternative Sofia to Denver routes

Looking for the cheapest, fastest or easiest route from Sofia to Denver? You could fly into the following airports instead.

Sofia to Denver: Flight information

The things to know before you go.
Cheapest flight found557 €
Cheapest month to flyNovember

Finding cheap flights from Sofia to Denver: Frequently asked questions

There are 4 airports in Denver: Denver Arapahoe Co, Broomfield, Denver International, and Northern Colorado Regional.
The best price we found for a return flight from Sofia to Denver is 557 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Sofia to Denver. But we found flights with one or more stops from 557 €.
As of October 2025, there are no flights flying from Sofia to Denver.
The cheapest month to fly from Sofia to Denver is usually November.
If you're flying from Sofia Airport, the cheapest airport near Denver is Denver International – which is 29.9 km away from the centre of Denver. We've found flights into this airport from 557 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sofia Airport to Denver on Saturday, 22 November 2025.
No airlines currently offer direct flights between Sofia Airport and Denver. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Denver but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Denver is around 40 days in advance, so don’t leave your flight to the last minute.
In October, the average temperature is usually around 10°C. July is typically the warmest month in Denver, when it usually averages around 31°C. You can expect the least rain in January. The coldest month is December, with temperatures averaging -6°C. The rainiest month is July.
Currently, Wizz Air offers the cheapest flight tickets to Denver.

Flying from Sofia Airport (SOF) to Denver: what you need to know

  • Denver is eight hours behind Sofia, where Sofia Airport is located. Denver runs on the UTC-6 timezone.

  • Give yourself plenty of time to catch your SOF to Denver flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • Longer lines at check-in and security are more likely if you're heading away during high season, so give yourself some extra breathing room. A good rule of thumb for peak periods? Get there up to four hours ahead for international flights and at least two hours for domestic departures.

  • Stopovers are the ideal opportunity to break up your journey and perhaps even explore another city. When searching for plane tickets from SOF to Denver, deselect the 'Direct flights only' box to see where you can visit along the way. Here are some options to consider:

    • Istanbul Ataturk Airport (IST)

    • Franz Josef Strauss Airport (MUC)

    • Dublin Airport (DUB)

  • SOF is about 6 kilometres from central Sofia. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 15 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the trip time to be around 35 minutes.

  • Searching for a hotel close to SOF? If you're catching an early flight from Sofia Airport to Denver, these accommodation options will get you from your pillow to the plane in no time:

  • 66.73% of flights that depart Sofia Airport make it to their destination on time.

How to find the cheapest flights from Sofia Airport (SOF) to Denver

  • The lowest price we've found for a one-way Sofia Airport to Denver flight is 274 €. The cheapest price for a return flight is 557 €. Keep in mind fares can change due to demand at the time of booking.

  • Booking early is often the key to locking in a cheap flight from SOF to Denver. Fares tend to rise as seats fill up, so the nearer you get to departure, the more you'll likely pay.

  • Landing cheap tickets from Sofia Airport to Denver is more likely if you can be flexible with your trip dates. Use the 'Whole month' search function to access the best prices across every month and land an incredible deal.

  • You don't need to check back constantly to find out if fares have dropped when you create a Price Alert. We'll update you when there's an updated deal for cheap flights from SOF to Denver.

  • Tailor your flights with filters. Pick your arrival and departure times, airlines and total journey duration. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest' flights from Sofia Airport to Denver.

Airports in Denver

Denver International Airport (DEN)

  • Denver International Airport (DEN) is around 40 kilometres from the centre of Denver. If you're opting for a ride-share or a cab, the drive takes roughly 35 minutes.

  • Getting to the centre on public transport typically takes 1 hour 30 minutes.

  • Once your flight from Sofia Airport to Denver has landed, unwind at a hotel close by. Baymont by Wyndham Denver International Airport is a convenient option that's a quick drive from DEN.

  • Go wherever you want, whenever you want with a Denver International Airport rental car. Book your wheels from Routes Car Rentals, Dollar or Budget and see more of Denver and beyond.

  • To get the lowest price, book your ride from Denver International Airport about one week ahead of your flight from SOF to Denver.

  • You'll find DEN at 8500 Pena Boulevard.

Best time to go to Denver

  • Carefully consider your dates before booking your flight from Sofia Airport to Denver. The city buzzes during peak season, but rates are often higher and attractions can be crowded. Plan your trip to Denver in the low season if you want a quieter vibe.

  • When booking your Sofia Airport to Denver plane ticket, think about the kind of weather you prefer. July is the warmest month in Denver, with temperatures ranging from 14ºC (57ºF) to 32ºC (90ºF).

  • Look for cheap tickets from SOF to Denver in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between -9ºC (16ºF) and 7ºC (45ºF) on average.

More about Denver

Explore more of United States

  • Denver will leave a lasting impression, but there are so many other parts of United States you'll want to see. About 105 kilometres south of Denver, a trip to Colorado Springs will keep your itinerary packed. Start with leading attractions like US Northern Command (USNORTHCOM) / North American Aerospace Defence Command (NORAD) Headquarters, Cheyenne Mountain Air Force Station and National Strength and Conditioning Association (NSCA).

  • If there's time to check out another great destination in United States, head for Pueblo, roughly 161 kilometres south of Denver. Pueblo Weisbrod Aircraft Museum, Rosemount Museum and Pueblo Zoo are among the biggest draws.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.