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Cheap flights from Phoenix Sky Harbor Intl Airport to Sofia from $781

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Phoenix Sky Harbor Intl Airport to Sofia departing on 1/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Phoenix Sky Harbor Intl Airport to Sofia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
12:52 pm - 10:45 pm
PHX
-
SOF
24h 53m2 stops
Lufthansa Logo
6:05 am - 7:26 pm
SOF
-
PHX
22h 21m2 stops
$781Lufthansa
Mon, Jan 26 - Thu, Feb 26
British Airways Logo
8:25 pm - 11:15 am
PHX
-
SOF
29h 50m1 stop
British Airways Logo
9:00 pm - 6:15 pm
SOF
-
PHX
30h 15m1 stop
$808British Airways
Thu, Jan 29 - Wed, Feb 11
Lufthansa Logo
4:36 pm - 10:45 pm
PHX
-
SOF
21h 09m2 stops
Lufthansa Logo
6:10 am - 8:37 pm
SOF
-
PHX
23h 27m2 stops
$829Lufthansa
Thu, Jan 29 - Wed, Feb 11
British Airways Logo
8:25 pm - 11:15 am
PHX
-
SOF
29h 50m1 stop
British Airways Logo
5:25 pm - 6:15 pm
SOF
-
PHX
33h 50m1 stop
$833British Airways
Thu, Jan 29 - Mon, Feb 2
Multiple Airlines Logo
11:35 am - 10:45 pm
PHX
-
SOF
26h 10m2 stops
Multiple Airlines Logo
6:10 am - 10:45 pm
SOF
-
PHX
25h 35m2 stops
$839Multiple Airlines
Thu, Jan 29 - Wed, Feb 11
United Airlines Logo
12:56 pm - 10:45 pm
PHX
-
SOF
24h 49m2 stops
United Airlines Logo
1:45 pm - 6:06 pm
SOF
-
PHX
37h 21m2 stops
$857United Airlines
Thu, Jan 29 - Mon, Feb 2
United Airlines Logo
12:56 pm - 10:45 pm
PHX
-
SOF
24h 49m2 stops
United Airlines Logo
1:45 pm - 6:06 pm
SOF
-
PHX
37h 21m2 stops
$858United Airlines
Thu, Jan 29 - Mon, Feb 2
Lufthansa Logo
11:51 am - 6:40 pm
PHX
-
SOF
20h 49m2 stops
Lufthansa Logo
6:10 am - 7:55 pm
SOF
-
PHX
23h 45m2 stops
$874Lufthansa
Wed, Apr 22 - Tue, Jun 9
Lufthansa Logo
1:50 pm - 11:10 pm
PHX
-
SOF
23h 20m2 stops
Lufthansa Logo
6:10 am - 5:42 pm
SOF
-
PHX
21h 32m2 stops
$875Lufthansa
Mon, Apr 27 - Tue, Jun 9
British Airways Logo
9:46 pm - 8:40 pm
PHX
-
SOF
36h 54m2 stops
British Airways Logo
8:00 pm - 7:39 pm
SOF
-
PHX
33h 39m2 stops
$877British Airways
Mon, May 4 - Mon, May 18

Lufthansa flights from Phoenix Sky Harbor Intl Airport to Sofia

Our best Lufthansa deals on Phoenix Sky Harbor Intl Airport to Sofia flight tickets
Lufthansa
Jan 26
PHX12:52 pmPhoenix Sky Harbor Intl
24h 53m
2 stops
SOF10:45 pmSofia
Feb 26
SOF6:05 amSofia
22h 21m
2 stops
PHX7:26 pmPhoenix Sky Harbor Intl
$781
Find similar
Lufthansa
Apr 22
PHX7:36 amPhoenix Sky Harbor Intl
18h 29m
2 stops
SOF12:05 pmSofia
Jun 9
SOF6:10 amSofia
21h 45m
2 stops
PHX5:55 pmPhoenix Sky Harbor Intl
$874
Find similar
Lufthansa
Apr 27
PHX1:50 pmPhoenix Sky Harbor Intl
23h 20m
2 stops
SOF11:10 pmSofia
Jun 9
SOF6:10 amSofia
21h 32m
2 stops
PHX5:42 pmPhoenix Sky Harbor Intl
$875
Find similar

British Airways flights from Phoenix Sky Harbor Intl Airport to Sofia

Our best British Airways deals on Phoenix Sky Harbor Intl Airport to Sofia flight tickets
British Airways
Jan 29
PHX8:25 pmPhoenix Sky Harbor Intl
29h 50m
1 stop
SOF11:15 amSofia
Feb 11
SOF9:00 pmSofia
30h 15m
1 stop
PHX6:15 pmPhoenix Sky Harbor Intl
$808
Find similar
British Airways
Jan 15
PHX4:44 pmPhoenix Sky Harbor Intl
33h 31m
2 stops
SOF11:15 amSofia
Jan 28
SOF9:00 pmSofia
30h 15m
1 stop
PHX6:15 pmPhoenix Sky Harbor Intl
$829
Find similar
British Airways
Jan 29
PHX8:25 pmPhoenix Sky Harbor Intl
29h 50m
1 stop
SOF11:15 amSofia
Feb 2
SOF5:25 pmSofia
33h 50m
1 stop
PHX6:15 pmPhoenix Sky Harbor Intl
$833
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix Sky Harbor Intl Airport 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, momondo users made 832,500 searches. Data last updated December 15, 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

Fly to

Route

Depart

Return

Price

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Mon 1/26

12:52 pm-10:45 pm

2 stops24h 53m

Sofia

Thu 2/26

6:05 am-7:26 pm

2 stops22h 21m

$781

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Thu 1/29

8:25 pm-11:15 am

1 stop29h 50m

Sofia

Wed 2/11

9:00 pm-6:15 pm

1 stop30h 15m

$808

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Thu 1/29

4:36 pm-10:45 pm

2 stops21h 09m

Sofia

Wed 2/11

6:10 am-8:37 pm

2 stops23h 27m

$829

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Thu 1/29

8:25 pm-11:15 am

1 stop29h 50m

Sofia

Mon 2/2

5:25 pm-6:15 pm

1 stop33h 50m

$833

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Thu 1/29

11:35 am-10:45 pm

2 stops26h 10m

Sofia

Wed 2/11

6:10 am-10:45 pm

2 stops25h 35m

$839

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Thu 1/29

12:56 pm-10:45 pm

2 stops24h 49m

Sofia

Mon 2/2

1:45 pm-6:06 pm

2 stops37h 21m

$857

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Thu 1/29

12:56 pm-10:45 pm

2 stops24h 49m

Sofia

Mon 2/2

1:45 pm-6:06 pm

2 stops37h 21m

$858

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 4/22

11:51 am-6:40 pm

2 stops20h 49m

Sofia

Tue 6/9

6:10 am-7:55 pm

2 stops23h 45m

$874

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Mon 4/27

1:50 pm-11:10 pm

2 stops23h 20m

Sofia

Tue 6/9

6:10 am-5:42 pm

2 stops21h 32m

$875

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Mon 5/4

9:46 pm-8:40 pm

2 stops36h 54m

Sofia

Mon 5/18

8:00 pm-7:39 pm

2 stops33h 39m

$877

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Sofia from

How to get the cheapest flight ticket from Phoenix Sky Harbor Intl Airport to Sofia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Sofia?

According to our data, Saturday is the cheapest day to fly to Sofia from Phoenix Sky Harbor Intl Airport. The lowest ticket price found for a Saturday departure recently was $940. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Phoenix Sky Harbor Intl Airport to Sofia on a Thursday will generally be more expensive and average around $1,207. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Sofia?

At noon is the cheapest time of day to fly from Phoenix Sky Harbor Intl Airport to Sofia when you can find flight prices for as low as $1,036. Flying to Sofia at noon is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to Sofia, so prices are often more expensive at around $1,096 per ticket.

How far in advance should I book a flight to Sofia?

You are more likely to see cheaper flights to Sofia from Phoenix Sky Harbor Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around $972 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from Phoenix Sky Harbor Intl Airport for as low as $747 on momondo.

When to book flights from Phoenix Sky Harbor Intl Airport to Sofia

Are you open to changing your travel dates? Check out the ideal times to fly from Phoenix Sky Harbor Intl Airport to Sofia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Phoenix Sky Harbor Intl Airport to Sofia (PHX to SOF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to Sofia

Fastest flight time

21h 39m

Direct flights

None
The fastest flight from Phoenix Sky Harbor Intl Airport to Sofia takes 21h 39m
There are no direct flights from Phoenix Sky Harbor Intl Airport to Sofia. There are no popular flight routes from Phoenix Sky Harbor Intl Airport to Sofia.
Search flight deals

  • How far is Phoenix Sky Harbor Intl to Sofia by plane?

    The straight-line distance from Phoenix Sky Harbor Intl to Sofia is 6461.3 mi. By plane, this route typically takes 21h 39m.

  • When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Sofia Airport?

    Prices for flights from Phoenix Sky Harbor Intl Airport to Sofia Airport are updated daily.

  • How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Sofia Airport?

  • How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Sofia Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Phoenix Sky Harbor Intl Airport to Sofia Airport.

  • What documentation or ID do you need to fly to Sofia Airport?

    The required travel and health documents for your Sofia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sofia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Phoenix Sky Harbor Intl Airport to Sofia?

Best airlines flying from Phoenix Sky Harbor Intl Airport to Sofia

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Sofia with momondo
Airline
Rating
Free Cancellation
Price
Austrian AirlinesPriceFrom $571Free CancellationRating
7.6
879 reviews
Search Austrian Airlines flights
United AirlinesPriceFrom $626Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
LufthansaPriceFrom $643Free CancellationRating
6.8
7,628 reviews
Search Lufthansa flights
American AirlinesPriceFrom $713Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights
KLMPriceFrom $733Free CancellationRating
7.7
1,430 reviews
Search KLM flights
British AirwaysPriceFrom $922Free CancellationRating
6.7
7,575 reviews
Search British Airways flights
Air CanadaPriceFrom $933Free CancellationRating
7.1
10,525 reviews
Search Air Canada flights

Traveling to a place near Sofia?

Book flights to Sofia if you plan to visit one of these locations
Bansko
Borovets
Velingrad
Sandanski

Why use momondo?

Why should I use momondo to find a flight deal from Phoenix to Sofia?

It is quick and easy to find Phoenix to Sofia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sofia that suits you.

Can I find flights from Phoenix to Sofia with flexible booking policies on momondo?

All flight searches from Phoenix to Sofia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Phoenix to Sofia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Phoenix to Sofia.

I’m not ready to book a flight from Phoenix to Sofia right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Sofia, momondo offers a useful price alert feature which will track prices for flights to Sofia from Phoenix and alert you when they change.

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