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Sky Harbor Intl

Cheap flights from Sofia (SOF) to Sky Harbor Intl (PHX)

SOF — PHX
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Find flight deals from Sofia to Sky Harbor Intl

Discover tips and strategies to find the most affordable flight options for your journey from Sofia (SOF) to Sky Harbor Intl (PHX). 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 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

January

Cheapest in

February

Average price

$1,052
Provider with most accurate pricing for Sofia-Phoenix Sky Harbor Intl flight deals.
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Provider most trusted by Cheapflights users for Sofia-Phoenix Sky Harbor Intl flights.
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Highest demand for flights based on searches. 3% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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  • Most accurate provider: When it comes to deals on Sofia-Phoenix Sky Harbor Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sofia-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sofia-Phoenix Sky Harbor Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sofia-Phoenix Sky Harbor Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Sofia-Phoenix Sky Harbor Intl Airport 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 Sofia to Sky Harbor Intl

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

Reviews of airlines servicing Sky Harbor Intl

Get insights into the airlines that provide service to Sky Harbor Intl. 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 Sky Harbor Intl. Reviews last updated January 27, 2026.
Get a feel of what it's like to fly with KLM, United Airlines, and Lufthansa from Sofia to Phoenix Sky Harbor Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,443 reviews

Crew

8.4

Comfort

7.6

Entertainment

7.1

Overall

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,443 reviews
KLM
7.7
Good
1,443 reviews

Crew

8.4

Comfort

7.6

Entertainment

7.1

Overall

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
United Airlines
7.4
Good
9,205 reviews
KLM
7.7
Good
1,443 reviews

Crew

8.4

Comfort

7.6

Entertainment

7.1

Overall

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Lufthansa
6.8
Okay
7,748 reviews
KLM
7.7
Good
1,443 reviews

Crew

8.4

Comfort

7.6

Entertainment

7.1

Overall

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Related info for your journey

Find useful and relevant information for your journey from Sofia to Sky Harbor Intl. 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 from for flights from Sofia to Phoenix Sky Harbor Intl?

    If you book a flight to Phoenix Sky Harbor Intl from Sofia, you will be flying from Sofia, which is the city’s only airport. Sofia (SOF) is located 4.2 mi from the center of Sofia. There are 0 flights from Sofia to Phoenix Sky Harbor Intl per day from 3 different airlines.

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

    Flying on KLM is currently your cheapest option to Phoenix Sky Harbor Intl Airport, with prices starting at $831. Additional round-trip tickets that might be worth considering are offered by Lufthansa and United Airlines, with the lowest prices starting at $866 and $872, respectively. KLM is priced at 8% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

See more FAQs

Traveling to a place near Phoenix Sky Harbor Intl Airport?

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Top 3 airlines flying from Sofia to Sky Harbor Intl

Discover the top 3 airlines that operate flights from Sofia to Sky Harbor Intl. 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 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$831Average$891FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$866Average$1,007FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$872Average$907FlexibilityNo cancel feeOn-time69%

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