$385 Cheap Flights from Phoenix (PHX) to Sofia (SOF)

View $385 flight on Wed, Nov 19, 2025Opens in a new window

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

Cheap Flights from Phoenix to Sofia (PHX-SOF)

Prices were available within the past 7 days and start at $385 for one-way flights and $589 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Tue, Nov 4 - Wed, Dec 10
PHX
Phoenix
SOF
Sofia
$589 Roundtrip, found 5 hours ago
$589
Roundtrip
found 5 hours ago
Select British Airways flight, departing Tue, Nov 4 from Phoenix to Sofia, returning Wed, Dec 10, priced at $589 found 5 hours ago
Lufthansa
Tue, Nov 4 - Wed, Dec 10
PHX
Phoenix
SOF
Sofia
$596 Roundtrip, found 5 hours ago
$596
Roundtrip
found 5 hours ago
Select Lufthansa flight, departing Tue, Nov 4 from Phoenix to Sofia, returning Wed, Dec 10, priced at $596 found 5 hours ago
British Airways
Mon, Nov 10 - Mon, Nov 17
PHX
Phoenix
SOF
Sofia
$599 Roundtrip, found 3 hours ago
$599
Roundtrip
found 3 hours ago
Select British Airways flight, departing Mon, Nov 10 from Phoenix to Sofia, returning Mon, Nov 17, priced at $599 found 3 hours ago
British Airways
Mon, Mar 23 - Mon, Apr 13
PHX
Phoenix
SOF
Sofia
$601 Roundtrip, found 2 days ago
$601
Roundtrip
found 2 days ago
Select British Airways flight, departing Mon, Mar 23 from Phoenix to Sofia, returning Mon, Apr 13, priced at $601 found 2 days ago
Air Canada
Wed, Nov 19 - Thu, Nov 27
PHX
Phoenix
SOF
Sofia
$605 Roundtrip, found 3 hours ago
$605
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Wed, Nov 19 from Phoenix to Sofia, returning Thu, Nov 27, priced at $605 found 3 hours ago
Lufthansa
Wed, Oct 29 - Tue, Nov 25
PHX
Phoenix
SOF
Sofia
$606 Roundtrip, found 2 days ago
$606
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Wed, Oct 29 from Phoenix to Sofia, returning Tue, Nov 25, priced at $606 found 2 days ago
United
Tue, Nov 18 - Thu, Nov 27
PHX
Phoenix
SOF
Sofia
$606 Roundtrip, found 3 hours ago
$606
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Nov 18 from Phoenix to Sofia, returning Thu, Nov 27, priced at $606 found 3 hours ago
Lufthansa
Tue, Nov 18 - Thu, Nov 27
PHX
Phoenix
SOF
Sofia
$606 Roundtrip, found 3 hours ago
$606
Roundtrip
found 3 hours ago
Select Lufthansa flight, departing Tue, Nov 18 from Phoenix to Sofia, returning Thu, Nov 27, priced at $606 found 3 hours ago
Air Canada
Wed, Oct 29 - Tue, Nov 25
PHX
Phoenix
SOF
Sofia
$608 Roundtrip, found 2 days ago
$608
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Oct 29 from Phoenix to Sofia, returning Tue, Nov 25, priced at $608 found 2 days ago
Swiss International Air Lines
Tue, Mar 3 - Thu, Mar 19
PHX
Phoenix
SOF
Sofia
$610 Roundtrip, found 2 days ago
$610
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Tue, Mar 3 from Phoenix to Sofia, returning Thu, Mar 19, priced at $610 found 2 days ago

Find the cheapest month to fly from Phoenix (PHX) to Sofia (SOF)

November is typically the cheapest month to fly

From $540 - $1,420 per traveler.

Alternative airports near Sofia

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

Select flight to Sofia Airport SOF. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $1,057
SOF
Sofia Airport
CheapestClosest
Average driving time to city center11 min
Flights from $1,057

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to Sofia Airport (SOF) cost?
Snag a cheap one-way flight from $385 or cheap return flight from $589 from Sky Harbor Intl. Airport (PHX) to Sofia Airport (SOF) 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 Sky Harbor Intl. Airport (PHX) to Sofia Airport (SOF)?
November is the least expensive month to fly from PHX to SOF. Timing your trip outside of the busy season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Sky Harbor Intl. Airport (PHX) to Sofia Airport (SOF)?
Expedia's filter tool lets you easily compare travel time, airlines 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 PHX to SOF flight.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Sofia Airport (SOF)?
Nonstop flights from Sky Harbor Intl. Airport (PHX) to Sofia Airport (SOF) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PHX to SOF?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change depending on a number of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to Sofia Airport (SOF)?
Select a flight from Sky Harbor Intl. Airport (PHX) to Sofia Airport (SOF) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Sky Harbor Intl. Airport (PHX) to Sofia Airport (SOF) last-minute?
Waiting until just before your departure to book your flight from PHX to SOF generally means paying more. While you may find some last-minute offers, they're not always guaranteed. Be flexible with your itinerary for the best chance of snagging a bargain.
Is it cheaper to book a PHX to SOF flight and hotel package?
Compared with arranging flights and hotels separately, booking a PHX to SOF flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one convenient place takes the hassle out of travel planning. Simply pick your flights and select from our wide range of hotels, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Sofia Airport (SOF)?
It's generally possible to reschedule or cancel your PHX to SOF flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Sofia
Airlines serving
Air Canada, Air France, Austrian Airlines, British Airways, JetBlue Airways, KLM, Lufthansa, Swiss International Air Lines, United
Roundtrip price
$588
Distance
6468 mi

Book with confidence

Book with confidence

Phoenix to Sofia Flights

The cheapest times to fly from Phoenix to Sofia

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 Phoenix to Sofia are during the month of November. You can find some of the cheapest flights from Phoenix to Sofia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phoenix to Sofia

Sunday is one of the best days to book for cheap flights from Phoenix to Sofia: 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 Phoenix to Sofia

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 Phoenix to Sofia in 2025. You can also book with separate airlines for your outbound and return journeys, from $385 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 Phoenix to Sofia 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 Phoenix to Sofia 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.

 

Phoenix to Sofia Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.