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$438+ 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 6/21. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SOF
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$971
(Orbitz)

One-way from

$438
(Kiwi.com)

Popular in

May

Cheapest in

October

Average price

$934
Provider with most accurate pricing for Phoenix Sky Harbor Intl-Sofia flight deals.
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Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-Sofia flights.
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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. 12% potential increase in price ($134 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This Gurufare deal was found by Cheapflights users on 4/29. 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.
Fri 8/812:30 pmPHX - SOF
2 stops24h 20mLufthansa
Fri 8/296:00 amSOF - PHX
2 stops24h 17mLufthansa
Deal found 4/29$795
This Air Canada deal was found by Cheapflights users on 4/29. 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 10/112:25 pmPHX - SOF
2 stops20h 15mMultiple Airlines
Thu 10/306:00 amSOF - PHX
2 stops38h 33mMultiple Airlines
Deal found 4/29$809
This Air Canada deal was found by Cheapflights users on 4/29. 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 10/112:25 pmPHX - SOF
2 stops20h 15mAir Canada
Thu 10/306:00 amSOF - PHX
3 stops24h 59mAir Canada
Deal found 4/29$825
This Orbitz deal was found by Cheapflights users on 4/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1411:26 pmPHX - SOF
2 stops35h 14mBritish Airways
Mon 7/218:00 pmSOF - PHX
1 stop28h 10mBritish Airways
Deal found 4/29$971
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 8/86:00 amPHX - SOF
3 stops21h 25mUnited Airlines
Fri 8/298:00 amSOF - PHX
2 stops26h 15mUnited Airlines
Deal found 4/29$987
This Gotogate deal was found by Cheapflights users on 4/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2410:50 amPHX - SOF
2 stops41h 55mSWISS
Mon 6/93:30 pmSOF - PHX
2 stops36h 14mSWISS
Deal found 4/29$998
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/246:40 pmPHX - SOF
1 stop15h 40mAmerican Airlines
Mon 6/98:00 pmSOF - PHX
1 stop32h 30mAmerican Airlines
Deal found 4/29$1,009

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 April 30, 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

Fri 8/8

12:30 pm-10:50 pm

2 stops24h 20m

Sofia

Fri 8/29

6:00 am-8:17 pm

2 stops24h 17m

$795

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 10/1

12:25 pm-6:40 pm

2 stops20h 15m

Sofia

Thu 10/30

6:00 am-11:33 am

2 stops38h 33m

$809

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 10/1

12:25 pm-6:40 pm

2 stops20h 15m

Sofia

Thu 10/30

6:00 am-9:59 pm

3 stops24h 59m

$825

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Mon 7/14

11:26 pm-8:40 pm

2 stops35h 14m

Sofia

Mon 7/21

8:00 pm-2:10 pm

1 stop28h 10m

$971

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Fri 8/8

6:00 am-1:25 pm

3 stops21h 25m

Sofia

Fri 8/29

8:00 am-12:15 am

2 stops26h 15m

$987

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sat 5/24

10:50 am-2:45 pm

2 stops41h 55m

Sofia

Mon 6/9

3:30 pm-5:44 pm

2 stops36h 14m

$998

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sat 5/24

6:40 pm-8:20 pm

1 stop15h 40m

Sofia

Mon 6/9

8:00 pm-6:30 pm

1 stop32h 30m

$1,009

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sat 6/21

6:05 pm-11:25 am

3 stops55h 20m

$438

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 6/25

9:50 pm-8:35 am

2 stops24h 45m

$582

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 6/25

8:40 pm-1:30 pm

1 stop30h 50m

$947

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 12 results
1
2

Compare providers for flights from Sky Harbor Intl to Sofia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sky Harbor Intl to Sofia in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Sofia flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Phoenix Sky Harbor Intl Airport-Sofia flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Sofia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Sofia flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phoenix Sky Harbor Intl Airport-Sofia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 April 25, 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 $1,218). 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 April 30, 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 April 30, 2025.
SWISS
7.5
Good
1,588 reviews

Overall

7.5

Crew

8.2

Food

7.0

Boarding

7.6

Comfort

7.4

Entertainment

6.7

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
1,588 reviews
SWISS
7.5
Good
1,588 reviews

Overall

7.5

Crew

8.2

Food

7.0

Boarding

7.6

Comfort

7.4

Entertainment

6.7

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
8,696 reviews
SWISS
7.5
Good
1,588 reviews

Overall

7.5

Crew

8.2

Food

7.0

Boarding

7.6

Comfort

7.4

Entertainment

6.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Turkish Airlines
7.3
Good
3,788 reviews
SWISS
7.5
Good
1,588 reviews

Overall

7.5

Crew

8.2

Food

7.0

Boarding

7.6

Comfort

7.4

Entertainment

6.7

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
1,588 reviews

Overall

7.5

Crew

8.2

Food

7.0

Boarding

7.6

Comfort

7.4

Entertainment

6.7

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
7.0
Good
9,242 reviews
SWISS
7.5
Good
1,588 reviews

Overall

7.5

Crew

8.2

Food

7.0

Boarding

7.6

Comfort

7.4

Entertainment

6.7

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. 6 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 British Airways is currently your cheapest option to Sofia, with prices starting at $971. Additional round-trip tickets that might be worth considering are offered by SWISS and American Airlines, with the lowest prices starting at $998 and $1,009, respectively.

  • What are the cheapest airlines to fly from Phoenix Sky Harbor Intl Airport to Sofia one-way?

    One-way options have recently been found by users for as low as $582 on Turkish Airlines. Other airlines that offer cheap prices include British Airways from $947 and United Airlines from $960 one-way.

  • 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 $1,218). 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 6 airlines flying from Sky Harbor Intl to Sofia

Discover the top 6 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$538Average$1,003FlexibilityNo cancel feeOn-time67%
Austrian AirlinesCheapest$622Average$1,192FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$663Average$978FlexibilityNo cancel feeOn-time69%
KLMCheapest$665Average$981FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$692Average$1,070FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$799Average$1,114FlexibilityNo cancel feeOn-time76%

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