HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sofia

$585+ Cheap flights from Phoenix to Sofia (SOF)

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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SOF
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Phoenix to Sofia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Phoenix to Sofia

Cheapest flights from Phoenix to Sofia
Explore the most affordable flight options available from Phoenix to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.

This oojo deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:05 pm
PHX
-
SOF
1 stop30h 20m
British Airways
Wed 11/49:00 pm
SOF
-
PHX
1 stop30h 15m
British Airways
Deal found 3/7$585
This FlightHub deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:00 am
PHX
-
SOF
2 stops17h 10m
Lufthansa
Wed 11/46:10 am
SOF
-
PHX
2 stops24h 10m
Lufthansa
Deal found 3/7$589
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/305:34 pm
PHX
-
SOF
2 stops20h 11m
United Airlines
Thu 12/36:10 am
SOF
-
PHX
2 stops23h 21m
United Airlines
Deal found 3/8$602
This FlightHub deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:00 am
PHX
-
SOF
2 stops17h 10m
Lufthansa
Tue 10/66:10 am
SOF
-
PHX
2 stops24h 10m
Lufthansa
Deal found 3/5$620
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:00 am
PHX
-
SOF
2 stops17h 10m
United Airlines
Tue 10/66:10 am
SOF
-
PHX
3 stops27h 54m
United Airlines
Deal found 3/8$633
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/56:59 pm
PHX
-
SOF
2 stops37h 41m
United Airlines
Wed 8/266:10 am
SOF
-
PHX
2 stops26h 41m
United Airlines
Deal found 3/9$639
This oojo deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:00 am
PHX
-
SOF
2 stops27h 20m
British Airways
Mon 11/25:25 pm
SOF
-
PHX
1 stop33h 50m
British Airways
Deal found 3/7$647
This Priceline deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:00 am
PHX
-
SOF
2 stops24h 40m
Air Canada
Wed 4/296:20 am
SOF
-
PHX
2 stops23h 57m
Air Canada
Deal found 3/8$654
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:50 am
PHX
-
SOF
2 stops22h 50m
United Airlines
Wed 4/296:20 am
SOF
-
PHX
3 stops22h 25m
United Airlines
Deal found 3/8$662

Find flight deals from Phoenix to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) to Sofia (SOF). 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 March 10, 2026.

Round-trip from

$620
(FlightHub)

Popular in

June

Cheapest in

November

Average price

$633
From Phoenix to Sofia
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($235 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix to Sofia 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 2,558,603 searches. Data last updated March 10, 2026.
Use the filters below to find and compare flights from Phoenix to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 8/26

9:00 am-12:10 pm

2 stops17h 10m

Sofia

Tue 10/6

6:10 am-8:20 pm

2 stops24h 10m

$620

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 8/26

11:28 am-6:40 pm

2 stops21h 12m

Sofia

Tue 10/6

6:10 am-8:20 pm

3 stops24h 10m

$633

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sun 5/3

7:20 am-11:00 pm

2 stops29h 40m

Sofia

Mon 11/2

1:55 pm-9:20 pm

2 stops40h 25m

$674

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Mon 4/27

8:30 am-1:25 pm

2 stops18h 55m

Sofia

Tue 6/9

6:10 am-7:46 pm

2 stops23h 36m

$692

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Mon 4/27

4:34 pm-11:00 pm

2 stops20h 26m

Sofia

Tue 10/6

8:00 am-12:04 am

3 stops26h 04m

$707

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Thu 4/9

8:30 am-11:00 pm

2 stops28h 30m

Sofia

Thu 4/16

6:30 am-11:59 pm

2 stops27h 29m

$712

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 4/22

1:30 pm-6:40 pm

2 stops19h 10m

Sofia

Wed 4/29

6:20 am-6:45 pm

3 stops22h 25m

$712

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sun 4/19

4:34 pm-11:00 pm

2 stops20h 26m

Sofia

Sun 4/26

6:20 am-10:09 pm

2 stops25h 49m

$712
Quickest round-trip

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sun 7/5

12:20 pm-6:10 pm

2 stops19h 50m

Sofia

Sat 8/29

6:20 am-5:45 pm

2 stops21h 25m

$736

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Sorted by cheapest first

Best time to book a flight from Phoenix to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Phoenix 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.

Cheapflights Insights

Everything you need to know about your flight from Phoenix to Sofia

How far ahead should I book a flight from Phoenix to Sofia?

Use this chart to determine the optimal time to book a round-trip flight from Phoenix to Sofia. Price data was last updated on March 6, 2026.

Booking 6 days in advance of your planned departure date is, on average, the best time to get cheap flights from Phoenix to Sofia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from Phoenix to Sofia (average of $561). Flying from Phoenix to Sofia in June is currently the most expensive (average of $834). 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.

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. 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 Sofia. Reviews last updated March 10, 2026.
See what other customers who have flown with Austrian Airlines,United Airlines, andAmerican Airlines from Phoenix to Sofia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
901 reviews

Comfort

7.3

Food

6.8

Boarding

7.6

Overall

7.6

Crew

8.1

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
Austrian Airlines
7.6
Good
901 reviews
Austrian Airlines
7.6
Good
901 reviews

Comfort

7.3

Food

6.8

Boarding

7.6

Overall

7.6

Crew

8.1

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
United Airlines
7.4
Good
9,412 reviews
Austrian Airlines
7.6
Good
901 reviews

Comfort

7.3

Food

6.8

Boarding

7.6

Overall

7.6

Crew

8.1

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
American Airlines
7.1
Good
11,415 reviews
Austrian Airlines
7.6
Good
901 reviews

Comfort

7.3

Food

6.8

Boarding

7.6

Overall

7.6

Crew

8.1

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
Lufthansa
6.8
Okay
7,841 reviews
Austrian Airlines
7.6
Good
901 reviews

Comfort

7.3

Food

6.8

Boarding

7.6

Overall

7.6

Crew

8.1

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
British Airways
6.7
Okay
7,781 reviews
Austrian Airlines
7.6
Good
901 reviews

Comfort

7.3

Food

6.8

Boarding

7.6

Overall

7.6

Crew

8.1

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful

Related info for your journey

Find useful and relevant information for your journey from Phoenix to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sofia from Phoenix?

    Sofia (SOF), located 4.2 mi from the city center, is the airport you fly into when you book flights from Phoenix to Sofia. 7 airlines have flights to Sofia from Phoenix on a regular basis. Booking flights from Phoenix to Sofia should not be difficult; the airport handles an average of 0 inbound flights from Phoenix per day.

  • How long is the flight from Phoenix to Sofia?

    A quick flight from Phoenix to Sofia can take about 17h 10m. Lufthansa provides one of the quickest options available for as low as $620. There are 6464 mi between Phoenix and Sofia. This flight may include one or multiple stops.

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

    Austrian Airlines, at $571, was found to be the cheapest airline from Phoenix to Sofia.Alternate airlines to your destination round-trip include Lufthansa and United Airlines. Users have found that Austrian Airlines is 27% cheaper than the other options available to this destination.

  • Can I find deals for flights from Phoenix to Sofia that include hotel bookings?

    Yes. In addition to deals on Phoenix to Sofia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Phoenix to Sofia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phoenix to Sofia.

  • Can I find deals for business class flights from Phoenix to Sofia?

    Yes. Cheapflights offers flight deals from Phoenix to Sofia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, October is the cheapest month in which you can book a flight from Phoenix to Sofia (average of $561). Flying from Phoenix to Sofia in June is currently the most expensive (average of $834). 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.

Alternative routes for Phoenix to Sofia

See prices for flight routes from nearby airports that may be better suited for you.
Sky Harbor Intl to Sofia flights
Las Vegas to Sofia flights

Top 7 airlines flying from Phoenix to Sofia

Discover the top 7 airlines that operate flights from Phoenix to Sofia. 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 2,558,603 searches. Data last updated March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest$571Average$1,010FlexibilityNo cancel feeOn-time78%
LufthansaCheapest$601Average$806FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$621Average$847FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$685Average$1,182FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$688Average$1,256FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$694Average$973FlexibilityNo cancel feeOn-time67%
KLMCheapest$710Average$1,020FlexibilityNo cancel feeOn-time75%

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.