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$784+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SOF
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
1 adult, Economy
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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 June 11, 2026.

This KLM deal was found by Cheapflights users on 6/8. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:25 am
PHX
-
SOF
2 stops21h 35m
KLM
Tue 10/277:00 am
SOF
-
PHX
2 stops24h 22m
KLM
Deal found 6/8$784
This Expedia deal was found by Cheapflights users on 6/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1211:32 am
PHX
-
SOF
2 stops21h 08m
Multiple Airlines
Wed 10/1412:55 pm
SOF
-
PHX
2 stops32h 58m
Multiple Airlines
Deal found 6/7$833
This Air Canada deal was found by Cheapflights users on 6/7. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:55 am
PHX
-
SOF
2 stops38h 15m
Air Canada
Wed 10/146:20 am
SOF
-
PHX
2 stops39h 33m
Air Canada
Deal found 6/7$836
This Air France deal was found by Cheapflights users on 6/7. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:14 am
PHX
-
SOF
2 stops18h 46m
Multiple Airlines
Tue 10/137:00 am
SOF
-
PHX
2 stops19h 35m
Multiple Airlines
Deal found 6/7$839
This Air Canada deal was found by Cheapflights users on 6/7. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:00 pm
PHX
-
SOF
2 stops39h 00m
Air Canada
Wed 10/146:20 am
SOF
-
PHX
2 stops39h 33m
Air Canada
Deal found 6/7$840
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Tue 10/611:52 pm
PHX
-
SOF
2 stops26h 18m
United Airlines
Wed 10/146:20 am
SOF
-
PHX
2 stops19h 23m
United Airlines
Deal found 6/9$842
This United Airlines deal was found by Cheapflights users on 6/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/94:25 pm
PHX
-
SOF
2 stops20h 50m
United Airlines
Thu 10/156:30 am
SOF
-
PHX
2 stops23h 24m
United Airlines
Deal found 6/7$843
This United Airlines deal was found by Cheapflights users on 6/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:00 am
PHX
-
SOF
3 stops20h 10m
United Airlines
Tue 10/1312:55 pm
SOF
-
PHX
2 stops19h 04m
United Airlines
Deal found 6/7$844
This oojo deal was found by Cheapflights users on 6/7. 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 8/129:05 pm
PHX
-
SOF
1 stop30h 20m
British Airways
Wed 10/149:25 pm
SOF
-
PHX
1 stop31h 40m
British Airways
Deal found 6/7$845
This United Airlines deal was found by Cheapflights users on 6/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/154:49 pm
PHX
-
SOF
2 stops39h 51m
United Airlines
Fri 10/166:10 am
SOF
-
PHX
2 stops25h 49m
United Airlines
Deal found 6/7$849
This Air Canada deal was found by Cheapflights users on 6/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:55 am
PHX
-
SOF
2 stops24h 45m
Air Canada
Mon 10/1912:55 pm
SOF
-
PHX
2 stops56h 06m
Air Canada
Deal found 6/9$850

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 June 11, 2026.

Round-trip from

$784
(KLM)

Popular in

August

Cheapest in

November

Average price

$835
From Phoenix to Sofia
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 11, 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 10/21

6:25 am-2:00 pm

2 stops21h 35m

Sofia

Tue 10/27

7:00 am-10:22 pm

2 stops24h 22m

$784

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 9/9

8:30 am-6:40 pm

2 stops24h 10m

Sofia

Tue 10/13

6:10 am-11:01 am

2 stops38h 51m

$840

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Tue 10/13

10:00 am-6:40 pm

2 stops22h 40m

Sofia

Thu 10/22

6:30 am-6:38 pm

2 stops22h 08m

$842

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 10/21

1:45 pm-6:40 pm

2 stops18h 55m

Sofia

Tue 10/27

6:25 am-12:04 am

3 stops26h 39m

$843
Quickest round-trip

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sun 8/9

4:25 pm-11:15 pm

2 stops20h 50m

Sofia

Thu 10/15

6:30 am-7:54 pm

2 stops23h 24m

$843

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Fri 9/18

9:05 pm-8:10 pm

1 stop37h 05m

Sofia

Mon 9/28

8:10 pm-7:00 pm

1 stop32h 50m

$913

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Fri 9/25

10:25 am-11:15 pm

2 stops26h 50m

Sofia

Thu 10/8

6:30 am-7:16 pm

2 stops22h 46m

$926

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sat 10/3

11:52 pm-12:10 pm

2 stops26h 18m

Sofia

Sun 10/11

6:20 am-10:45 pm

2 stops26h 25m

$932

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Thu 8/20

3:25 pm-2:00 pm

1 stop36h 35m

Sofia

Sat 9/5

7:00 am-4:41 pm

2 stops19h 41m

$946

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sat 7/11

4:25 pm-11:00 pm

2 stops44h 35m

Sofia

Wed 7/29

6:20 am-10:27 pm

2 stops26h 07m

$950

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

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

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

Currently, April is the cheapest month in which you can book a flight from Phoenix to Sofia (average of $495). Flying from Phoenix to Sofia in January is currently the most expensive (average of $732). 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.

How much does it cost to fly round-trip from Phoenix to Sofia?

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 June 11, 2026.
See what other customers who have flown with Austrian Airlines,United Airlines, andLufthansa 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
929 reviews

Entertainment

6.8

Food

6.8

Overall

7.6

Boarding

7.6

Comfort

7.3

Crew

8.1

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
929 reviews
Austrian Airlines
7.6
Good
929 reviews

Entertainment

6.8

Food

6.8

Overall

7.6

Boarding

7.6

Comfort

7.3

Crew

8.1

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
9,808 reviews
Austrian Airlines
7.6
Good
929 reviews

Entertainment

6.8

Food

6.8

Overall

7.6

Boarding

7.6

Comfort

7.3

Crew

8.1

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
8,052 reviews
Austrian Airlines
7.6
Good
929 reviews

Entertainment

6.8

Food

6.8

Overall

7.6

Boarding

7.6

Comfort

7.3

Crew

8.1

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
8,042 reviews
Austrian Airlines
7.6
Good
929 reviews

Entertainment

6.8

Food

6.8

Overall

7.6

Boarding

7.6

Comfort

7.3

Crew

8.1

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. 4 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 21h 35m. KLM provides one of the quickest options available for as low as $784. 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?

    United Airlines, at $567, was found to be the cheapest airline from Phoenix to Sofia.Alternate airlines to your destination round-trip include Austrian Airlines and Lufthansa. Users have found that United Airlines is 20% 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, April is the cheapest month in which you can book a flight from Phoenix to Sofia (average of $495). Flying from Phoenix to Sofia in January is currently the most expensive (average of $732). 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

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Alternative routes for Phoenix to Sofia

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

Top 4 airlines flying from Phoenix to Sofia

Discover the top 4 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 June 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$567Average$794FlexibilityNo cancel feeOn-time69%
Austrian AirlinesCheapest$571Average$914FlexibilityNo cancel feeOn-time78%
LufthansaCheapest$585Average$775FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$639Average$697FlexibilityNo cancel feeOn-time70%

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