$757+ Cheap flights from Sky Harbor Intl (PHX) 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SOF
Oct 6 — Oct 131
Round-trip
1 adult, Economy
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Find cheap flights from Sky Harbor Intl to Sofia 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 Sky Harbor Intl to Sofia
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Best
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Cheapest flights from Sky Harbor Intl to SofiaExplore 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 September 6, 2026.
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 September 6, 2026.
This FlightHub deal was found by Cheapflights users on 9/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:05 pm -
2 stops37h 20m
Wed 11/189:05 pm -
1 stop30h 30m
Deal found 9/1![British Airways logo]()
$805
This FlightHub deal was found by Cheapflights users on 9/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:00 pm -
2 stops24h 50m
Wed 11/186:25 am -
2 stops21h 31m
Deal found 9/1![Lufthansa logo]()
$813
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Wed 10/712:15 pm -
2 stops24h 35m
Wed 11/186:25 am -
3 stops24h 34m
Deal found 9/1![United Airlines logo]()
$823
This Justfly.com deal was found by Cheapflights users on 9/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:22 pm -
2 stops16h 58m
Fri 11/66:25 am -
2 stops21h 22m
Deal found 9/2![Lufthansa logo]()
$847
This Expedia deal was found by Cheapflights users on 9/1. 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.
Fri 10/169:00 am -
2 stops23h 40m
Fri 10/236:20 am -
2 stops24h 29m
Deal found 9/1![Lufthansa logo]()
$893
This Justfly.com deal was found by Cheapflights users on 9/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:28 pm -
2 stops58h 52m
Fri 11/68:30 pm -
1 stop31h 05m
Deal found 9/2![British Airways logo]()
$916
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/28:49 am -
2 stops28h 26m
Fri 10/96:10 am -
2 stops26h 35m
Deal found 9/4![United Airlines logo]()
$934
This FlightHub deal was found by Cheapflights users on 9/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:55 am -
2 stops28h 45m
Mon 9/213:40 pm -
2 stops39h 57m
Deal found 9/2![Multiple Airlines logo]()
$946
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Wed 9/99:45 am -
2 stops27h 30m
Wed 9/236:20 am -
2 stops22h 13m
Deal found 9/2![United Airlines logo]()
$950
This Mytrip deal was found by Cheapflights users on 9/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:00 pm -
3 stops25h 10m
Wed 11/184:00 pm -
3 stops39h 15m
Deal found 9/1![Multiple Airlines logo]()
$986
This FlightHub deal was found by Cheapflights users on 9/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:00 pm -
2 stops20h 40m
Tue 9/226:10 am -
2 stops21h 39m
Deal found 9/2![Lufthansa logo]()
$987
Best flights from Sky Harbor Intl to SofiaDiscover carefully curated flight deals from Sky Harbor Intl to Sofia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 6, 2026.
Discover carefully curated flight deals from Sky Harbor Intl to Sofia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 6, 2026.
This United Airlines deal was found by Cheapflights users on 9/4. 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 2/97:00 am -
2 stops21h 15m
Fri 2/126:25 am -
2 stops27h 30m
Deal found 9/4![United Airlines logo]()
$757
This British Airways deal was found by Cheapflights users on 9/3. 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.
Tue 2/238:40 pm -
1 stop14h 30m
Sun 2/287:45 pm -
1 stop31h 50m
Deal found 9/3![British Airways logo]()
$826
This Expedia deal was found by Cheapflights users on 9/1. 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.
Fri 10/169:00 am -
2 stops23h 40m
Fri 10/236:20 am -
2 stops24h 29m
Deal found 9/1![Lufthansa logo]()
$893
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Wed 2/243:55 pm -
2 stops22h 00m
Wed 3/36:25 am -
3 stops24h 53m
Deal found 9/2![United Airlines logo]()
$757
This United Airlines deal was found by Cheapflights users on 9/3. 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 2/2711:59 pm -
2 stops28h 26m
Thu 3/46:25 am -
2 stops22h 29m
Deal found 9/3![United Airlines logo]()
$769
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Wed 2/2412:20 pm -
2 stops15h 55m
Sun 2/286:00 am -
2 stops21h 55m
Deal found 9/3![United Airlines logo]()
$809
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Wed 10/712:15 pm -
2 stops24h 35m
Wed 11/186:25 am -
3 stops24h 34m
Deal found 9/1![United Airlines logo]()
$823
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/28:49 am -
2 stops28h 26m
Fri 10/96:10 am -
2 stops26h 35m
Deal found 9/4![United Airlines logo]()
$934
Last-minute flights from Sky Harbor Intl to SofiaDiscover last-minute flight deals from Sky Harbor Intl to Sofia. Data last updated September 6, 2026 and is based on user searches.
Discover last-minute flight deals from Sky Harbor Intl to Sofia. Data last updated September 6, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 9/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:55 am -
2 stops28h 45m
Mon 9/213:40 pm -
2 stops39h 57m
Deal found 9/2![Multiple Airlines logo]()
$946
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Wed 9/99:45 am -
2 stops27h 30m
Wed 9/236:20 am -
2 stops22h 13m
Deal found 9/2![United Airlines logo]()
$950
This FlightHub deal was found by Cheapflights users on 9/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:00 pm -
2 stops20h 40m
Tue 9/226:10 am -
2 stops21h 39m
Deal found 9/2![Lufthansa logo]()
$987
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/27:30 am -
3 stops29h 45m
Fri 10/96:10 am -
2 stops24h 39m
Deal found 9/4![United Airlines logo]()
$934
This FlightHub deal was found by Cheapflights users on 9/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:05 pm -
2 stops37h 20m
Wed 11/189:05 pm -
1 stop30h 30m
Deal found 9/1![British Airways logo]()
$805
This FlightHub deal was found by Cheapflights users on 9/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:00 pm -
2 stops24h 50m
Wed 11/186:25 am -
2 stops21h 31m
Deal found 9/1![Lufthansa logo]()
$813
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Wed 10/712:15 pm -
2 stops24h 35m
Wed 11/186:25 am -
3 stops24h 34m
Deal found 9/1![United Airlines logo]()
$823
This Mytrip deal was found by Cheapflights users on 9/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:00 pm -
3 stops25h 10m
Wed 11/184:00 pm -
3 stops39h 15m
Deal found 9/1![Multiple Airlines logo]()
$986
This Expedia deal was found by Cheapflights users on 9/1. 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.
Fri 10/169:00 am -
2 stops23h 40m
Fri 10/236:20 am -
2 stops24h 29m
Deal found 9/1![Lufthansa logo]()
$893
This Justfly.com deal was found by Cheapflights users on 9/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:22 pm -
2 stops16h 58m
Fri 11/66:25 am -
2 stops21h 22m
Deal found 9/2![Lufthansa logo]()
$847
This Justfly.com deal was found by Cheapflights users on 9/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:28 pm -
2 stops58h 52m
Fri 11/68:30 pm -
1 stop31h 05m
Deal found 9/2![British Airways logo]()
$916
Find 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 September 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $727 (Expedia) |
Popular in | September |
Cheapest in | March |
Average price | $1,117 |
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 7,457,451 searches. Data last updated September 6, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Sofia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhoenixSofia
PHX Phoenix Sky Harbor Intl - SOF Sofia
PHXSOF
Phoenix Sky Harbor Intl
Tue 2/9
7:00 am-1:15 pm
2 stops21h 15m
Sofia
Fri 2/12
6:25 am-12:55 am
2 stops27h 30m
$757
PhoenixSofia
PHX Phoenix Sky Harbor Intl - SOF Sofia
PHXSOF
Phoenix Sky Harbor Intl
Wed 2/24
3:55 pm-10:55 pm
2 stops22h 00m
Sofia
Wed 3/3
6:25 am-10:18 pm
3 stops24h 53m
$757
PhoenixSofia
PHX Phoenix Sky Harbor Intl - SOF Sofia
PHXSOF
Phoenix Sky Harbor Intl
Sat 2/27
11:59 pm-1:25 pm
2 stops28h 26m
Sofia
Thu 3/4
6:25 am-7:54 pm
2 stops22h 29m
$769
Quickest round-trip
PhoenixSofia
PHX Phoenix Sky Harbor Intl - SOF Sofia
PHXSOF
Phoenix Sky Harbor Intl
Wed 2/24
12:20 pm-1:15 pm
2 stops15h 55m
Sofia
Sun 2/28
6:00 am-6:55 pm
2 stops21h 55m
$809
PhoenixSofia
PHX Phoenix Sky Harbor Intl - SOF Sofia
PHXSOF
Phoenix Sky Harbor Intl
Wed 10/7
12:15 pm-10:50 pm
2 stops24h 35m
Sofia
Wed 11/18
6:25 am-9:59 pm
3 stops24h 34m
$823
PhoenixSofia
PHX Phoenix Sky Harbor Intl - SOF Sofia
PHXSOF
Phoenix Sky Harbor Intl
Tue 2/23
8:40 pm-8:10 pm
1 stop14h 30m
Sofia
Sun 2/28
7:45 pm-6:35 pm
1 stop31h 50m
$826
PhoenixSofia
PHX Phoenix Sky Harbor Intl - SOF Sofia
PHXSOF
Phoenix Sky Harbor Intl
Fri 10/16
9:00 am-6:40 pm
2 stops23h 40m
Sofia
Fri 10/23
6:20 am-8:49 pm
2 stops24h 29m
$893
PhoenixSofia
PHX Phoenix Sky Harbor Intl - SOF Sofia
PHXSOF
Phoenix Sky Harbor Intl
Fri 10/2
8:49 am-11:15 pm
2 stops28h 26m
Sofia
Fri 10/9
6:10 am-10:45 pm
2 stops26h 35m
$934
Sorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Sofia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phoenix Sky Harbor Intl Airport-Sofia flight deals on Cheapflights vs. FlightHub >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 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 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.
PHX-SOF
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
What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Sofia?
Currently, March is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Sofia (average of $567). Flying from Phoenix Sky Harbor Intl Airport to Sofia in September is currently the most expensive (average of $1,109). 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 Sky Harbor Intl Airport to Sofia?
Airfare is below average for this route at the moment.
Phoenix Sky Harbor Intl Airport to Sofia flights typically cost between $1,093 and $1,221 in February.The cheapest round-trip price found within the last 5 days was $727 on Multiple Airlines (Feb 24-Mar 3).
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 September 6, 2026.
Read reviews from past customers who have flown United Airlines,Lufthansa, andBritish Airways from Phoenix Sky Harbor Intl Airport to Sofia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Boarding
7.7
Overall
7.4
Food
6.6
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Comfort
7.3
Boarding
7.7
Overall
7.4
Food
6.6
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Comfort
7.3
Boarding
7.7
Overall
7.4
Food
6.6
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Comfort
7.3
Boarding
7.7
Overall
7.4
Food
6.6
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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.
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Sky Harbor Intl and Sofia flights
Browse other Sky Harbor Intl and Sofia flight options. Last updated on September 6, 2026.
Other flights from Sky Harbor Intl
Browse through other flights departing from Sky Harbor Intl. Flights are based on user searches made on Cheapflights and were last updated on September 6, 2026.
Popular flight searches
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Other flights to Sofia
Explore flights to Sofia departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 6, 2026.
Top 3 airlines flying from Sky Harbor Intl to Sofia
Discover the top 3 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 7,457,451 searches. Data last updated September 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$607 | Average$838 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$617 | Average$799 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$639 | Average$697 | FlexibilityNo cancel fee | On-time70% |