$344 Cheap Flights from Phoenix (PHX) to Sofia (SOF)

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Sofia Airport (SOF)

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Cheap Flights from Phoenix to Sofia (PHX-SOF)

Prices were available within the past 7 days and start at $344 for one-way flights and $742 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Lufthansa
Swiss International Air Lines
Swiss International Air Lines
Lufthansa
Swiss International Air Lines
Lufthansa
United
Air Canada
KLM

Alternative airports near Sofia

Prices were available within the past 7 days. Prices and availability are subject to change.

What you need to know for your flight from Sky Harbor Intl. to Sofia

Phoenix (PHX) to Sofia (SOF) at a glance

Embark on an exciting journey from Phoenix (PHX) to Sofia (SOF) with a selection of airlines offering this international long-haul route. Evaluate your options among full-service and budget carriers to find the perfect itinerary that aligns with your budget, schedule, and travel preferences as you delve into Sofia's renowned attractions and vibrant neighborhoods. Access essential information about flights departing from Sky Harbor International Airport (PHX) to Sofia Airport (SOF).

  • Fastest flight duration: around 13h 15m in-flight, plus roughly 2h 45m layover with one stop
  • Route distance: roughly 6,500 miles (10,460 km)
  • Flights per week: around 9 departures on average
  • Typical fares (one-way): economy tickets often range from $300–$1055, depending on seasonality and how far ahead you book

Flights from Sky Harbor International Airport (PHX) to Sofia Airport (SOF)

Based on recent traveler bookings, here are the top airlines favored for flights from Phoenix to Sofia, often selected for one-stop and multi-stop journeys. Popular layover options include Franz Josef Strauss International Airport (MUC) with a 2-hour layover, Vienna International Airport (VIE) offering about a 1 hour and 15-minute layover, and Frankfurt International Airport (FRA) with approximately a 1 hour and 45-minute layover. These choices allow you to balance pricing, total travel time, and cabin class to create the ideal itinerary.

  • United: This comprehensive carrier provides multi-stop options, with one-way prices generally ranging from $300 to $825. It represents around 46% of the flights on this route, featuring an in-flight duration of 14 hours and 15 minutes, and a total travel time of approximately 18 hours and 45 minutes, including layovers.
  • Lufthansa: Offering a full-service experience, Lufthansa provides multi-stop services with one-way fares typically between $335 and $630. It comprises about 12% of departures on this route, maintaining an in-flight time of 14 hours and 15 minutes, and a total journey time of roughly 18 hours and 45 minutes, factoring in layovers.
  • Austrian Airlines: This full-service airline delivers multi-stop journeys, with one-way ticket costs usually ranging from $300 to $925. It accounts for approximately 10% of the departures on this route, having an in-flight time of 14 hours and 15 minutes, and a total journey time of around 18 hours and 45 minutes, including layovers.
  • British Airways: Known for its one-stop service, British Airways offers one-way fares generally between $310 and $730. This airline covers about 9% of the departures for this route, with a flight duration of 13 hours and 15 minutes, and a total travel time nearing 16 hours, including a layover.
  • Air Canada: A full-service airline that provides multi-stop services, Air Canada has one-way fares typically ranging from $325 to $755. It makes up about 7% of the departures on this route, featuring an in-flight time of 14 hours and 15 minutes, and a total journey time of roughly 18 hours and 45 minutes, including layovers.

How to find the best prices for flights from Phoenix (PHX) to Sofia (SOF)

Getting some of the best deals on flights from Phoenix to Sofia is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are typically found when booking within two weeks, although most travelers book their flights two to eight weeks in advance. Departures in the afternoon (12 PM to 6 PM) tend to offer lower prices, while morning flights (5 AM to 12 PM) are the most popular. Additionally, flying on Sunday generally provides cheaper prices, although Thursday remains the favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Sofia Airport from Sky Harbor International Airport

Sofia welcomes travelers from Phoenix with a range of transport options based on price, convenience, and proximity. Here's how to reach Sofia efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Sofia, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Sofia Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Sofia Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Sofia Airport, Sofia Airport Terminal 2 Station, a metro station, is located about 0.7 miles away by car, while Sofia Seaport, a seaport, is around 4.6 miles away by car, and Sofia Central Station, a train station, is approximately 5 miles away by car, making it easy to access public transport options for your onward journey.

Frequently asked questions

How much does a flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sofia (SOF) cost?
You can find cheap one-way flights from $344 and cheap return flights from $742 Phoenix, AZ (PHX-Sky Harbor Intl.) to Sofia (SOF) with Expedia. One-way flights generally range between $516 and $3640, and roundtrip flights usually range from $651 to $5763. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Phoenix, AZ (PHX-Sky Harbor Intl.) to Sofia (SOF) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sofia (SOF)?
The cheapest month to fly from PHX to SOF is November when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sofia (SOF)?
Enter PHX to SOF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sofia (SOF)?
Condor is one of the cheapest airlines offering connecting flights from Sky Harbor Intl. (PHX) to Sofia (SOF), with round-trip tickets starting from around $1,285 with a layover in Seattle - Tacoma Intl. (SEA). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sofia (SOF)?
To find a cheap flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sofia (SOF), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sofia (SOF)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sofia (SOF)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from PHX to SOF. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sofia (SOF)?
The most popular departure times for flights from Phoenix Sky Harbor International Airport (PHX) to Sofia (SOF) are in the early morning, from 6am to 9am. About 38% of passengers prefer this time window. Many major carriers, including United Airlines, Lufthansa, and Delta Air Lines, offer flights during this window. This timing is favored as it allows travelers to maximize their day upon arrival in Sofia.
How long does it take to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sofia (SOF)?
A flight from PHX to SOF with a layover takes around 17 hours 30 minutes, with the route covering approximately 6,469 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sofia (SOF)?
You can fly business class between PHX and SOF. Airlines that offer business class service on this route include:

  • Air Canada
  • United Airlines
  • British Airways
  • Air France
  • Delta Air Lines
  • JetBlue Airways
  • American Airlines

How do I earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Sofia (SOF) flight with Expedia?
It's easy to earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Sofia (SOF) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sofia (SOF) at the last minute?
Typically, booking a last minute flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sofia (SOF) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Phoenix, AZ (PHX-Sky Harbor Intl.) to Sofia (SOF) flight and hotel package?
Securing a Phoenix, AZ (PHX-Sky Harbor Intl.) to Sofia (SOF) Sofia Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sofia (SOF)?
If you booked your Phoenix, AZ (PHX-Sky Harbor Intl.) to Sofia (SOF) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Sofia
Roundtrip price
$741
Distance
6468 mi

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*Flight schedules are subject to change.

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