$433+ Cheap flights from Phoenix 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SOF
May 10 — May 171
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Phoenix 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 Phoenix to Sofia
Cheapest
Best
Last-minute
One-way
Cheapest flights from Phoenix to SofiaExplore the most affordable flight options available from Phoenix to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.
Explore the most affordable flight options available from Phoenix to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.
This Air Canada deal was found by Cheapflights users on 4/5. 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.
Mon 11/96:30 pm
PHX
- SOF
2 stops38h 50m
Air Canada
Fri 11/136:10 am
SOF
- PHX
2 stops38h 34m
Air Canada
Deal found 4/5![Air Canada logo]()
$745
This United Airlines deal was found by Cheapflights users on 4/5. 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.
Mon 11/92:30 pm
PHX
- SOF
2 stops18h 50m
United Airlines
Fri 11/136:10 am
SOF
- PHX
3 stops27h 54m
United Airlines
Deal found 4/5![United Airlines logo]()
$751
This United Airlines deal was found by Cheapflights users on 4/9. 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.
Mon 12/73:55 pm
PHX
- SOF
2 stops17h 25m
United Airlines
Fri 12/116:10 am
SOF
- PHX
2 stops25h 41m
United Airlines
Deal found 4/9![United Airlines logo]()
$752
This FlightHub deal was found by Cheapflights users on 4/5. 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 8/2611:15 am
PHX
- SOF
2 stops21h 25m
Lufthansa
Tue 10/66:10 am
SOF
- PHX
2 stops21h 06m
Lufthansa
Deal found 4/5![Lufthansa logo]()
$769
This FlightHub deal was found by Cheapflights users on 4/7. 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.
Sun 8/239:00 am
PHX
- SOF
2 stops17h 10m
Lufthansa
Mon 8/317:25 pm
SOF
- PHX
2 stops34h 59m
Lufthansa
Deal found 4/7![Lufthansa logo]()
$780
This United Airlines deal was found by Cheapflights users on 4/5. 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 8/269:08 am
PHX
- SOF
2 stops23h 32m
United Airlines
Tue 10/66:10 am
SOF
- PHX
3 stops27h 54m
United Airlines
Deal found 4/5![United Airlines logo]()
$782
This oojo deal was found by Cheapflights users on 4/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/34:30 pm
PHX
- SOF
1 stop16h 50m
British Airways
Mon 11/25:25 pm
SOF
- PHX
1 stop33h 50m
British Airways
Deal found 4/5![British Airways logo]()
$794
This Air Canada deal was found by Cheapflights users on 4/8. 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.
Mon 12/76:30 pm
PHX
- SOF
2 stops38h 50m
Air Canada
Fri 12/116:10 am
SOF
- PHX
2 stops38h 34m
Air Canada
Deal found 4/8![Air Canada logo]()
$795
Best flights from Phoenix to SofiaDiscover carefully curated flight deals from Phoenix to Sofia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 10, 2026.
Discover carefully curated flight deals from Phoenix to Sofia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 10, 2026.
This United Airlines deal was found by Cheapflights users on 4/5. 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 8/269:08 am
PHX
- SOF
2 stops23h 32m
United Airlines
Tue 10/66:10 am
SOF
- PHX
3 stops27h 54m
United Airlines
Deal found 4/5![United Airlines logo]()
$782
This British Airways deal was found by Cheapflights users on 4/5. 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.
Sun 5/312:29 pm
PHX
- SOF
2 stops20h 51m
British Airways
Mon 11/25:25 pm
SOF
- PHX
2 stops32h 15m
British Airways
Deal found 4/5![British Airways logo]()
$814
This SWISS deal was found by Cheapflights users on 4/5. 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.
Mon 7/61:31 pm
PHX
- SOF
3 stops58h 49m
SWISS
Tue 8/181:05 pm
SOF
- PHX
2 stops43h 54m
SWISS
Deal found 4/5![SWISS logo]()
$988
This United Airlines deal was found by Cheapflights users on 4/6. 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.
Mon 4/276:00 am
PHX
- SOF
2 stops20h 10m
United Airlines
Tue 6/96:10 am
SOF
- PHX
2 stops21h 43m
United Airlines
Deal found 4/6![United Airlines logo]()
$950
This British Airways deal was found by Cheapflights users on 4/5. 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.
Mon 5/1811:12 pm
PHX
- SOF
2 stops35h 18m
British Airways
Mon 6/228:10 pm
SOF
- PHX
2 stops32h 00m
British Airways
Deal found 4/5![British Airways logo]()
$965
This United Airlines deal was found by Cheapflights users on 4/7. 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 7/89:48 am
PHX
- SOF
3 stops27h 02m
United Airlines
Wed 8/121:50 pm
SOF
- PHX
3 stops54h 43m
United Airlines
Deal found 4/7![United Airlines logo]()
$993
Last-minute flights from Phoenix to SofiaDiscover last-minute flight deals from Phoenix to Sofia. Data last updated April 10, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Sofia. Data last updated April 10, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 4/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/34:30 pm
PHX
- SOF
1 stop16h 50m
British Airways
Mon 11/25:25 pm
SOF
- PHX
1 stop33h 50m
British Airways
Deal found 4/5![British Airways logo]()
$794
This FlightHub deal was found by Cheapflights users on 4/6. 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.
Sun 5/33:45 pm
PHX
- SOF
2 stops21h 30m
Multiple Airlines
Mon 11/23:00 pm
SOF
- PHX
2 stops40h 44m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$903
This United Airlines deal was found by Cheapflights users on 4/9. 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.
Sun 5/39:00 am
PHX
- SOF
2 stops28h 15m
United Airlines
Mon 11/21:55 pm
SOF
- PHX
2 stops40h 25m
United Airlines
Deal found 4/9![United Airlines logo]()
$926
This oojo deal was found by Cheapflights users on 4/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/411:13 pm
PHX
- SOF
2 stops35h 17m
British Airways
Mon 5/188:10 pm
SOF
- PHX
1 stop26h 55m
British Airways
Deal found 4/7![British Airways logo]()
$871
This KAYAK deal was found by Cheapflights users on 4/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/169:00 pm
PHX
- SOF
1 stop36h 20m
British Airways
Wed 5/279:25 pm
SOF
- PHX
1 stop31h 30m
British Airways
Deal found 4/8![British Airways logo]()
$914
This oojo deal was found by Cheapflights users on 4/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/199:25 am
PHX
- SOF
2 stops25h 05m
British Airways
Fri 5/292:15 pm
SOF
- PHX
2 stops39h 40m
British Airways
Deal found 4/8![British Airways logo]()
$911
One-way flights from Phoenix to SofiaSearch for one-way flight options from Phoenix to Sofia. Find affordable one-way fares based on user searches. Data last updated April 10, 2026.
Search for one-way flight options from Phoenix to Sofia. Find affordable one-way fares based on user searches. Data last updated April 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:59 pm
PHX
- SOF
3 stops42h 21m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:59 pm
PHX
- SOF
3 stops55h 26m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$434
This oojo deal was found by Cheapflights users on 4/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:00 pm
PHX
- SOF
1 stop30h 25m
British Airways
Deal found 4/8![British Airways logo]()
$637
This Air France deal was found by Cheapflights users on 4/8. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:25 pm
PHX
- SOF
1 stop36h 35m
Air France
Deal found 4/8![Air France logo]()
$671
This BusinessClass deal was found by Cheapflights users on 4/7. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:29 pm
PHX
- SOF
2 stops22h 01m
British Airways
Deal found 4/7![British Airways logo]()
$6,877
Find flight deals from Phoenix to Sofia
Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) 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 10, 2026.
Round-trip from | $769 (FlightHub) |
|---|---|
One-way from | $433 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $794 |
Cheapflights Fare Finder
Customize your flight search to find flights from Phoenix 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 10, 2026.
Use the filters below to find and compare flights from Phoenix to Sofia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhoenixSofia
PHX - SOF
PHXSOF
Phoenix Sky Harbor Intl
Wed 8/26
9:08 am-6:40 pm
2 stops23h 32m
Sofia
Tue 10/6
6:10 am-12:04 am
3 stops27h 54m
$782
PhoenixSofia
PHX - SOF
PHXSOF
Phoenix Sky Harbor Intl
Sun 5/3
12:29 pm-7:20 pm
2 stops20h 51m
Sofia
Mon 11/2
5:25 pm-4:40 pm
2 stops32h 15m
$814
Quickest round-trip
PhoenixSofia
PHX - SOF
PHXSOF
Phoenix Sky Harbor Intl
Mon 4/27
6:00 am-12:10 pm
2 stops20h 10m
Sofia
Tue 6/9
6:10 am-5:53 pm
2 stops21h 43m
$950
PhoenixSofia
PHX - SOF
PHXSOF
Phoenix Sky Harbor Intl
Mon 5/18
11:12 pm-8:30 pm
2 stops35h 18m
Sofia
Mon 6/22
8:10 pm-6:10 pm
2 stops32h 00m
$965
PhoenixSofia
PHX - SOF
PHXSOF
Phoenix Sky Harbor Intl
Mon 7/6
1:31 pm-10:20 am
3 stops58h 49m
Sofia
Tue 8/18
1:05 pm-10:59 pm
2 stops43h 54m
$988
PhoenixSofia
PHX - SOF
PHXSOF
Phoenix Sky Harbor Intl
Wed 7/8
9:48 am-10:50 pm
3 stops27h 02m
Sofia
Wed 8/12
1:50 pm-10:33 am
3 stops54h 43m
$993
Cheapest one-way
PhoenixSofia
PHX - SOF
PHXSOF
Phoenix Sky Harbor Intl
Wed 4/29
7:59 pm-1:25 pm
3 stops55h 26m
$434
PhoenixSofia
PHX - SOF
PHXSOF
Phoenix Sky Harbor Intl
Tue 5/5
6:54 pm-12:20 am
2 stops43h 26m
$574
PhoenixSofia
PHX - SOF
PHXSOF
Phoenix Sky Harbor Intl
Tue 5/5
3:25 pm-2:00 pm
1 stop36h 35m
$671
Quickest one-way
PhoenixSofia
PHX - SOF
PHXSOF
Phoenix Sky Harbor Intl
Tue 5/5
12:29 pm-8:30 pm
2 stops22h 01m
$6,877
Sorted by cheapest first
Best time to book a flight from Phoenix to Sofia
Have a flexible travel schedule? Discover the best time to fly to Sofia from Phoenix with our price prediction graph.
PH1-SOF
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 to Sofia
PH1-SOF
PHX-SOF
How far ahead should I book a flight from Phoenix to Sofia?
Use this chart to determine the optimal time to book a round-trip flight from Phoenix to Sofia. Price data was last updated on April 9, 2026.
Booking 74 days in advance of your planned departure date is, on average, the best time to get cheap flights from Phoenix to Sofia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Phoenix to Sofia?
Currently, October is the cheapest month in which you can book a flight from Phoenix to Sofia (average of $561). Flying from Phoenix to Sofia in June is currently the most expensive (average of $805). 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 to Sofia?
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 10, 2026.
See what other customers who have flown with Austrian Airlines,United Airlines, andAmerican Airlines from Phoenix to Sofia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.6
Entertainment
6.8
Comfort
7.3
Crew
8.1
Food
6.8
Overall
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Dec 2025
VIE - DXB
Boarding
7.6
Entertainment
6.8
Comfort
7.3
Crew
8.1
Food
6.8
Overall
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Dec 2025
VIE - DXB
Boarding
7.6
Entertainment
6.8
Comfort
7.3
Crew
8.1
Food
6.8
Overall
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Dec 2025
VIE - DXB
Boarding
7.6
Entertainment
6.8
Comfort
7.3
Crew
8.1
Food
6.8
Overall
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Dec 2025
VIE - DXB
Boarding
7.6
Entertainment
6.8
Comfort
7.3
Crew
8.1
Food
6.8
Overall
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Dec 2025
VIE - DXB
Boarding
7.6
Entertainment
6.8
Comfort
7.3
Crew
8.1
Food
6.8
Overall
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Dec 2025
VIE - DXB
Related info for your journey
Find useful and relevant information for your journey from Phoenix to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Sofia flight routes
Alternative routes for Phoenix to Sofia
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Sofia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Phoenix to Sofia by cabin class
Find flights from Phoenix to Sofia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Phoenix and Sofia flights
Browse other Phoenix and Sofia flight options. Last updated on April 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 April 10, 2026.
Top 6 airlines flying from Phoenix to Sofia
Discover the top 6 airlines that operate flights from Phoenix 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 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$571 | Average$1,010 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$601 | Average$767 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$607 | Average$833 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$670 | Average$1,287 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$694 | Average$967 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$1,132 | Average$1,182 | FlexibilityNo cancel fee | On-time71% |