$583 Cheap Flights from Sofia (SOF) to Phoenix (PHX)

View $583 flight on Wed, May 13, 2026Opens in a new window

Popular airlines from Sofia Airport (SOF) to Phoenix

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Cheap Flights from Sofia to Phoenix (SOF-PHX)

Prices were available within the past 7 days and start at $583 for one-way flights and $933 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Wed, Oct 14 - Wed, Nov 11
SOF
Sofia
PHX
Phoenix
$933 Roundtrip, found 4 days ago
$933
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Oct 14 from Sofia to Phoenix, returning Wed, Nov 11, priced at $933 found 4 days ago
Lufthansa
Wed, Oct 14 - Wed, Nov 11
SOF
Sofia
PHX
Phoenix
$934 Roundtrip, found 4 days ago
$934
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Oct 14 from Sofia to Phoenix, returning Wed, Nov 11, priced at $934 found 4 days ago
Lufthansa
Wed, Feb 11 - Wed, Feb 18
SOF
Sofia
PHX
Phoenix
$939 Roundtrip, found 4 days ago
$939
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Feb 11 from Sofia to Phoenix, returning Wed, Feb 18, priced at $939 found 4 days ago
Lufthansa
Wed, Feb 11 - Wed, Feb 18
SOF
Sofia
PHX
Phoenix
$943 Roundtrip, found 4 days ago
$943
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Feb 11 from Sofia to Phoenix, returning Wed, Feb 18, priced at $943 found 4 days ago
Lufthansa
Fri, Feb 6 - Sat, Feb 28
SOF
Sofia
PHX
Phoenix
$943 Roundtrip, found 10 hours ago
$943
Roundtrip
found 10 hours ago
Select Lufthansa flight, departing Fri, Feb 6 from Sofia to Phoenix, returning Sat, Feb 28, priced at $943 found 10 hours ago
Lufthansa
Wed, Feb 11 - Wed, Feb 18
SOF
Sofia
PHX
Phoenix
$944 Roundtrip, found 4 days ago
$944
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Feb 11 from Sofia to Phoenix, returning Wed, Feb 18, priced at $944 found 4 days ago
Austrian Airlines
Wed, Oct 14 - Wed, Nov 11
SOF
Sofia
PHX
Phoenix
$947 Roundtrip, found 4 days ago
$947
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Wed, Oct 14 from Sofia to Phoenix, returning Wed, Nov 11, priced at $947 found 4 days ago
Swiss International Air Lines
Tue, Mar 31 - Thu, Apr 9
SOF
Sofia
PHX
Phoenix
$948 Roundtrip, found 22 hours ago
$948
Roundtrip
found 22 hours ago
Select Swiss International Air Lines flight, departing Tue, Mar 31 from Sofia to Phoenix, returning Thu, Apr 9, priced at $948 found 22 hours ago
Air Canada
Tue, Mar 31 - Thu, Apr 9
SOF
Sofia
PHX
Phoenix
$956 Roundtrip, found 22 hours ago
$956
Roundtrip
found 22 hours ago
Select Air Canada flight, departing Tue, Mar 31 from Sofia to Phoenix, returning Thu, Apr 9, priced at $956 found 22 hours ago
United
Tue, Mar 31 - Thu, Apr 9
SOF
Sofia
PHX
Phoenix
$966 Roundtrip, found 22 hours ago
$966
Roundtrip
found 22 hours ago
Select United flight, departing Tue, Mar 31 from Sofia to Phoenix, returning Thu, Apr 9, priced at $966 found 22 hours ago

Alternative airports near Phoenix

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

Select flight to Sky Harbor Intl. PHX. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $968
PHX
Sky Harbor Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $968

Frequently asked questions

How much does a flight from Sofia Airport (SOF) to Sky Harbor Intl. Airport (PHX) cost?
Secure a cheap one-way flight from $583 or cheap return flight from $933 from Sofia Airport (SOF) to Sky Harbor Intl. Airport (PHX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Sofia Airport (SOF) to Sky Harbor Intl. Airport (PHX)?
October is the least expensive month to fly from SOF to PHX. Avoiding peak travel times is often the key to landing a great deal.
What is the cheapest airline that flies from Sofia Airport (SOF) to Sky Harbor Intl. Airport (PHX)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SOF to PHX flight.
How many flights per day from Sofia Airport (SOF) to Sky Harbor Intl. Airport (PHX)?
You'll need to book a flight with a layover if you're traveling from Sofia Airport (SOF) to Sky Harbor Intl. Airport (PHX). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from SOF to PHX?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary based on a range of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sofia Airport (SOF) to Sky Harbor Intl. Airport (PHX)?
To reach Sky Harbor Intl. Airport (PHX) on time, book a flight that takes off from Sofia Airport (SOF) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Sofia Airport (SOF) to Sky Harbor Intl. Airport (PHX) last-minute?
Waiting until right before your break to book a flight from SOF to PHX generally means paying more. While it's possible to find some last-minute offers, there's no guarantee. Be flexible with your itinerary to boost your chances of landing a bargain.
Is it cheaper to book a SOF to PHX flight and hotel package?
Securing a SOF to PHX flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our wide range of hotels and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sofia Airport (SOF) to Sky Harbor Intl. Airport (PHX)?
If you booked your SOF to PHX flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sofia
Destination airport
Sky Harbor Intl.
Airlines serving
Air Canada, British Airways, ITA Airways, KLM, Lufthansa, Qatar Airways, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$932
Distance
6468 mi

Book with confidence

Sofia to Phoenix Flights

The cheapest times to fly from Sofia to Phoenix

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sofia to Phoenix are during the month of October. You can find some of the cheapest flights from Sofia to Phoenix with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sofia to Phoenix

Sunday is one of the best days to book for cheap flights from Sofia to Phoenix: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sofia to Phoenix

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sofia to Phoenix in 2026. You can also book with separate airlines for your outbound and return journeys, from $583 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sofia to Phoenix flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sofia to Phoenix airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Sofia to Phoenix Flights

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*Available to One Key members.