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Sofia

$881+ Cheap flights from Sky Harbor Intl (PHX) 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 6/24. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SOF
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Sofia are usually found in October or March, booked 39 days in advance, depart on a Saturday or Monday and return on a Friday

Cheap flight deals from Sky Harbor Intl to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) 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 12, 2025.

Round-trip from

$935
(United Airlines)

One-way from

$881
(Turkish Airlines)

Popular in

May

Cheapest in

October

Average price

$1,189
From Phoenix Sky Harbor Intl to Sofia
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One-way flight from Phoenix Sky Harbor Intl to Sofia
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Highest demand for flights based on searches. 14% potential increase in price ($166 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Sky Harbor Intl to Sofia

Cheapest flights from Sky Harbor Intl to Sofia
Explore the most affordable flight options available from Sky Harbor Intl to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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 9/206:05 amPHX - SOF
3 stops19h 10mUnited Airlines
Sat 9/276:15 amSOF - PHX
2 stops21h 29mUnited Airlines
Deal found 6/10$935
This British Airways deal was found by Cheapflights users on 6/10. 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.
Fri 9/1211:10 pmPHX - SOF
2 stops35h 10mBritish Airways
Wed 9/249:30 pmSOF - PHX
1 stop31h 00mBritish Airways
Deal found 6/10$960
This Gurufare deal was found by Cheapflights users on 6/11. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:40 pmPHX - SOF
1 stop30h 50mMultiple Airlines
Fri 11/73:30 pmSOF - PHX
1 stop35h 55mMultiple Airlines
Deal found 6/11$966
This Gurufare deal was found by Cheapflights users on 6/12. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2710:32 amPHX - SOF
2 stops26h 18mLufthansa
Sun 8/37:25 pmSOF - PHX
2 stops31h 51mLufthansa
Deal found 6/12$980
This Air Canada deal was found by Cheapflights users on 6/12. 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.
Wed 10/111:20 amPHX - SOF
2 stops20h 30mAir Canada
Thu 10/306:00 amSOF - PHX
3 stops24h 40mAir Canada
Deal found 6/12$981
This SWISS deal was found by Cheapflights users on 6/12. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/277:04 amPHX - SOF
2 stops21h 41mSWISS
Sun 8/312:45 pmSOF - PHX
3 stops41h 31mSWISS
Deal found 6/12$1,043
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/206:50 pmPHX - SOF
1 stop15h 30mAmerican Airlines
Fri 9/262:20 pmSOF - PHX
2 stops35h 33mAmerican Airlines
Deal found 6/10$1,485

Cheapflights Fare Finder

Customize your flight search to find flights from Sky Harbor Intl 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 12, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Sofia that are best for you.

Fly from

Sky Harbor Intl

Fly to

Sofia

Route

Depart

Return

Price

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sat 9/20

6:05 am-11:15 am

3 stops19h 10m

Sofia

Sat 9/27

6:15 am-5:44 pm

2 stops21h 29m

$935

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Fri 9/12

11:10 pm-8:20 pm

2 stops35h 10m

Sofia

Wed 9/24

9:30 pm-6:30 pm

1 stop31h 00m

$960

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 10/1

8:40 pm-1:30 pm

1 stop30h 50m

Sofia

Fri 11/7

3:30 pm-6:25 pm

1 stop35h 55m

$966

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sun 7/27

10:32 am-10:50 pm

2 stops26h 18m

Sofia

Sun 8/3

7:25 pm-5:16 pm

2 stops31h 51m

$980

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 10/1

11:20 am-5:50 pm

2 stops20h 30m

Sofia

Thu 10/30

6:00 am-9:40 pm

3 stops24h 40m

$981

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sun 7/27

7:04 am-2:45 pm

2 stops21h 41m

Sofia

Sun 8/3

12:45 pm-8:16 pm

3 stops41h 31m

$1,043

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sat 9/20

6:50 pm-8:20 pm

1 stop15h 30m

Sofia

Fri 9/26

2:20 pm-3:53 pm

2 stops35h 33m

$1,485

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Tue 6/24

6:00 am-2:45 pm

2 stops22h 45m

$881

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Tue 6/24

6:00 am-5:50 pm

3 stops25h 50m

$1,278

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Sky Harbor Intl to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Sky Harbor Intl 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 Sky Harbor Intl Airport to Sofia

How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Sofia?

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Sofia. Price data was last updated on June 9, 2025.

To ensure you get the cheapest price possible for a flight from Phoenix Sky Harbor Intl Airport to Sofia, you should look to book at least 39 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Sofia?

Currently, November is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Sofia (average of $632). Flying from Phoenix Sky Harbor Intl Airport to Sofia in June is currently the most expensive (average of $1,203). 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.

What is the cheapest time of day to fly from PHX to SOF?

Find hourly flight availability from Sky Harbor Intl to Sofia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s typically best to fly out from Phoenix Sky Harbor Intl Airport to Sofia at noon. Doing so could potentially save you 6% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Sofia?

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Sofia. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Sofia flight should consider departing on Saturday evenings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Sofia by month

Plan your trip to Sofia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sofia ranges from 1.2 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Sofia when rainfall is around 1.2 in.

Temperature in Sofia by month

Plan your trip to Sofia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sofia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 12, 2025.
SWISS
7.5
Good
1,623 reviews

Crew

8.2

Overall

7.5

Food

7.0

Comfort

7.4

Entertainment

6.7

Boarding

7.6

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
SWISS
7.5
Good
1,623 reviews
SWISS
7.5
Good
1,623 reviews

Crew

8.2

Overall

7.5

Food

7.0

Comfort

7.4

Entertainment

6.7

Boarding

7.6

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
United Airlines
7.4
Good
8,790 reviews
SWISS
7.5
Good
1,623 reviews

Crew

8.2

Overall

7.5

Food

7.0

Comfort

7.4

Entertainment

6.7

Boarding

7.6

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
American Airlines
7.2
Good
10,000 reviews
SWISS
7.5
Good
1,623 reviews

Crew

8.2

Overall

7.5

Food

7.0

Comfort

7.4

Entertainment

6.7

Boarding

7.6

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Air Canada
7.1
Good
9,537 reviews
SWISS
7.5
Good
1,623 reviews

Crew

8.2

Overall

7.5

Food

7.0

Comfort

7.4

Entertainment

6.7

Boarding

7.6

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Lufthansa
6.8
Okay
7,139 reviews
SWISS
7.5
Good
1,623 reviews

Crew

8.2

Overall

7.5

Food

7.0

Comfort

7.4

Entertainment

6.7

Boarding

7.6

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl 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 Sky Harbor Intl?

    For a flight from Phoenix Sky Harbor Intl to Sofia, you will be flying into Sofia. Sofia (SOF) is just 4.2 mi from the center of the city. Sofia is the only Sofia airport and it handles 0 inbound flights from Phoenix Sky Harbor Intl per day. 7 airlines have flights to Sofia from Phoenix Sky Harbor Intl on a regular basis.

  • What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to Sofia round-trip?

    Flying on United Airlines is currently your cheapest option to Sofia, with prices starting at $935. Additional round-trip tickets that might be worth considering are offered by British Airways and Lufthansa, with the lowest prices starting at $960 and $980, respectively. You may be able to fly from Phoenix Sky Harbor Intl Airport to Sofia for 1% less than the average price by searching for these airlines.

  • Can I find deals for flights from Sky Harbor Intl to Sofia that include hotel bookings?

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

  • How can I find direct flights from Sky Harbor Intl to Sofia?

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

  • Can I find deals for business class flights from Sky Harbor Intl to Sofia?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl 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 Sky Harbor Intl Airport to Sofia?

    Currently, November is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Sofia (average of $632). Flying from Phoenix Sky Harbor Intl Airport to Sofia in June is currently the most expensive (average of $1,203). 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

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Complete your trip

Complete your trip to Sofia by adding a car rental and/or hotel reservation to your travel itinerary.
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Top 7 airlines flying from Sky Harbor Intl to Sofia

Discover the top 7 airlines that operate flights from Sky Harbor Intl 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$544Average$1,018FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$621Average$1,157FlexibilityNo cancel feeOn-time71%
Austrian AirlinesCheapest$622Average$1,019FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$649Average$1,057FlexibilityNo cancel feeOn-time69%
KLMCheapest$665Average$981FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$678Average$1,068FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$818Average$1,288FlexibilityNo cancel feeOn-time70%

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