HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sofia

$395+ Cheap flights from Phoenix to Sofia (SOF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SOF
Feb 11 — Feb 181
Wed 2/11
Wed 2/18
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

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 January 12, 2026.

Round-trip from

$483
(Mytrip)

One-way from

$395
(United Airlines)

Popular in

May

Cheapest in

November

Average price

$841
From Phoenix to Sofia
Search Deals
One-way flight from Phoenix to Sofia
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($243 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 January 2026
Search Deals

Find 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 January 12, 2026.

This Mytrip deal was found by Cheapflights users on 1/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:00 am
PHX
-
SOF
2 stops26h 20m
Multiple Airlines
Wed 3/257:55 am
SOF
-
PHX
2 stops22h 35m
Multiple Airlines
Deal found 1/12$483
This FlightHub deal was found by Cheapflights users on 1/12. 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.
Tue 2/1012:53 pm
PHX
-
SOF
2 stops20h 27m
Lufthansa
Tue 2/176:00 am
SOF
-
PHX
2 stops23h 04m
Lufthansa
Deal found 1/12$486
This Mytrip deal was found by Cheapflights users on 1/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/1411:20 pm
PHX
-
SOF
2 stops33h 40m
Multiple Airlines
Tue 4/1412:55 pm
SOF
-
PHX
2 stops41h 22m
Multiple Airlines
Deal found 1/12$493
This Mytrip deal was found by Cheapflights users on 1/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/253:55 pm
PHX
-
SOF
2 stops17h 25m
Multiple Airlines
Wed 3/42:25 pm
SOF
-
PHX
2 stops30h 19m
Multiple Airlines
Deal found 1/11$500
This oojo deal was found by Cheapflights users on 1/11. 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.
Mon 5/411:12 pm
PHX
-
SOF
2 stops35h 18m
British Airways
Mon 5/188:10 pm
SOF
-
PHX
1 stop32h 50m
British Airways
Deal found 1/11$515
This FlightHub deal was found by Cheapflights users on 1/12. 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 4/223:30 pm
PHX
-
SOF
2 stops21h 40m
Lufthansa
Tue 6/96:10 am
SOF
-
PHX
2 stops24h 10m
Lufthansa
Deal found 1/12$519
This Air Canada deal was found by Cheapflights users on 1/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1010:40 am
PHX
-
SOF
3 stops22h 35m
Air Canada
Tue 2/176:00 am
SOF
-
PHX
2 stops38h 44m
Air Canada
Deal found 1/12$520
This Air Canada deal was found by Cheapflights users on 1/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:00 am
PHX
-
SOF
2 stops29h 10m
Multiple Airlines
Tue 10/66:10 am
SOF
-
PHX
2 stops23h 32m
Multiple Airlines
Deal found 1/11$521
This United Airlines deal was found by Cheapflights users on 1/12. 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 4/274:34 pm
PHX
-
SOF
2 stops20h 36m
United Airlines
Tue 6/96:10 am
SOF
-
PHX
2 stops23h 45m
United Airlines
Deal found 1/12$532
This British Airways deal was found by Cheapflights users on 1/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/298:25 pm
PHX
-
SOF
1 stop29h 50m
British Airways
Wed 2/119:00 pm
SOF
-
PHX
1 stop30h 15m
British Airways
Deal found 1/12$539
This United Airlines deal was found by Cheapflights users on 1/12. 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.
Thu 1/293:50 pm
PHX
-
SOF
2 stops21h 55m
United Airlines
Wed 2/116:10 am
SOF
-
PHX
2 stops25h 30m
United Airlines
Deal found 1/12$542

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 January 12, 2026.
Use the filters below to find and compare flights from Phoenix to Sofia that are best for you.

Fly from

Phoenix

Fly to

Sofia

Route

Depart

Return

Price

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Tue 2/10

12:53 pm-6:20 pm

2 stops20h 27m

Sofia

Tue 2/17

6:00 am-8:04 pm

2 stops23h 04m

$486

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 2/25

3:55 pm-6:20 pm

2 stops17h 25m

Sofia

Wed 3/4

2:25 pm-11:44 am

2 stops30h 19m

$500

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Tue 2/10

10:40 am-6:15 pm

3 stops22h 35m

Sofia

Tue 2/17

6:00 am-11:44 am

2 stops38h 44m

$520

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Mon 4/27

8:30 am-11:10 pm

2 stops28h 40m

Sofia

Tue 6/9

6:10 am-7:55 pm

2 stops23h 45m

$532

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Thu 1/29

3:50 pm-10:45 pm

2 stops21h 55m

Sofia

Wed 2/11

6:10 am-10:40 pm

2 stops25h 30m

$542

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Fri 4/24

10:30 am-11:10 pm

2 stops26h 40m

Sofia

Tue 4/28

6:10 am-2:58 pm

2 stops18h 48m

$552

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Mon 4/27

4:34 pm-11:10 pm

2 stops20h 36m

Sofia

Tue 10/6

6:10 am-8:20 pm

3 stops24h 10m

$633

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Tue 2/10

10:22 am-6:20 pm

3 stops22h 58m

Sofia

Tue 2/17

2:00 pm-11:03 pm

3 stops42h 03m

$649

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sun 7/5

11:59 pm-12:10 pm

2 stops26h 11m

Sofia

Tue 7/28

12:55 pm-10:56 am

2 stops32h 01m

$678

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sat 5/16

11:30 pm-11:10 pm

2 stops37h 40m

Sofia

Fri 8/7

12:55 pm-10:56 am

2 stops32h 01m

$684

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

Showing 1-10 of 12 results
1
2

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 January 9, 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 $565). Flying from Phoenix to Sofia in June is currently the most expensive (average of $967). 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 January 12, 2026.
See what other customers who have flown with Austrian Airlines, United Airlines, and American 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
890 reviews

Comfort

7.3

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Food

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
890 reviews
Austrian Airlines
7.6
Good
890 reviews

Comfort

7.3

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Food

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
9,149 reviews
Austrian Airlines
7.6
Good
890 reviews

Comfort

7.3

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Food

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
7.2
Good
11,114 reviews
Austrian Airlines
7.6
Good
890 reviews

Comfort

7.3

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Food

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
7,709 reviews
Austrian Airlines
7.6
Good
890 reviews

Comfort

7.3

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Food

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
7,665 reviews
Austrian Airlines
7.6
Good
890 reviews

Comfort

7.3

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Food

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 20h 27m. Lufthansa provides one of the quickest options available for as low as $486. 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 United Airlines and Lufthansa. Users have found that Austrian Airlines is 30% 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 $565). Flying from Phoenix to Sofia in June is currently the most expensive (average of $967). 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
Tucson 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 January 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest$571Average$1,010FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$626Average$947FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$643Average$996FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$713Average$1,182FlexibilityNo cancel feeOn-time71%
KLMCheapest$733Average$1,020FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$818Average$1,357FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$933Average$1,018FlexibilityNo cancel feeOn-time67%

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.