HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sky Harbor Intl

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

SOF — PHX
Dec 12 — Dec 191
Fri 12/12
Fri 12/19
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sofia to Sky Harbor Intl 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 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 November 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

December

Cheapest in

February

Average price

$891
Provider with most accurate pricing for Sofia-Phoenix Sky Harbor Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sofia-Phoenix Sky Harbor Intl flights.
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Compare providers for flights from Sofia to Sky Harbor Intl

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 Sofia to Sky Harbor Intl in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 Sofia-Phoenix Sky Harbor Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Sofia-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

Cheapflights Insights

Everything you need to know about your flight from Sofia to Phoenix Sky Harbor Intl Airport

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

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

A simple way to save on the total cost of your ticket is to fly from Sofia to Phoenix Sky Harbor Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 37% on your trip compared to booking a flight at noon.

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 November 12, 2025.
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
1,410 reviews

Overall

7.7

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,410 reviews
KLM
7.7
Good
1,410 reviews

Overall

7.7

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
9,015 reviews
KLM
7.7
Good
1,410 reviews

Overall

7.7

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Lufthansa
6.8
Okay
7,565 reviews
KLM
7.7
Good
1,410 reviews

Overall

7.7

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 $787. Additional round-trip tickets that might be worth considering are offered by Lufthansa and United Airlines, with the lowest prices starting at $805 and $809, respectively. KLM is priced at 12% 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?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Goodyear
Glendale
Payson
Chandler
Casa Grande
Globe
Peoria
Camp Verde
Buckeye
Surprise
Paradise Valley
Avondale
Guadalupe

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.

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 November 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$787Average$834FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$805Average$970FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$809Average$926FlexibilityNo cancel feeOn-time69%

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.