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Cheap flights from Phoenix Sky Harbor Intl Airport to Sofia from $405

This is the cheapest one-way 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 5/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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.
British Airways Logo
6:00 am - 7:20 pm
PHX
-
SOF
27h 20m
2 stops
British Airways Logo
5:25 pm - 6:15 pm
SOF
-
PHX
33h 50m
1 stop
$515British Airways
Sun, May 3 - Mon, Nov 2
British Airways Logo
6:00 am - 7:20 pm
PHX
-
SOF
27h 20m
2 stops
British Airways Logo
5:25 pm - 6:15 pm
SOF
-
PHX
33h 50m
1 stop
$516British Airways
Sun, May 3 - Mon, Nov 2
British Airways Logo
6:00 am - 7:20 pm
PHX
-
SOF
27h 20m
2 stops
British Airways Logo
5:25 pm - 7:07 pm
SOF
-
PHX
34h 42m
2 stops
$518British Airways
Sun, May 3 - Mon, Nov 2
British Airways Logo
6:00 am - 7:20 pm
PHX
-
SOF
27h 20m
2 stops
British Airways Logo
5:25 pm - 11:46 pm
SOF
-
PHX
39h 21m
2 stops
$519British Airways
Sun, May 3 - Mon, Nov 2
British Airways Logo
11:12 pm - 8:30 pm
PHX
-
SOF
35h 18m
2 stops
British Airways Logo
8:10 pm - 7:00 pm
SOF
-
PHX
32h 50m
1 stop
$545British Airways
Mon, May 4 - Mon, May 18
British Airways Logo
4:58 pm - 8:30 pm
PHX
-
SOF
41h 32m
2 stops
British Airways Logo
8:10 pm - 7:00 pm
SOF
-
PHX
32h 50m
1 stop
$546British Airways
Mon, May 4 - Mon, May 18
British Airways Logo
11:12 pm - 8:30 pm
PHX
-
SOF
35h 18m
2 stops
British Airways Logo
8:10 pm - 6:08 pm
SOF
-
PHX
31h 58m
2 stops
$548British Airways
Mon, May 4 - Mon, May 18
British Airways Logo
11:12 pm - 8:30 pm
PHX
-
SOF
35h 18m
2 stops
British Airways Logo
8:10 pm - 7:27 pm
SOF
-
PHX
33h 17m
2 stops
$549British Airways
Mon, May 4 - Mon, May 18
Multiple Airlines Logo
8:00 am - 11:10 pm
PHX
-
SOF
29h 10m
2 stops
Multiple Airlines Logo
6:10 am - 7:22 pm
SOF
-
PHX
23h 12m
2 stops
$554Multiple Airlines
Mon, Apr 27 - Tue, Jun 9
Multiple Airlines Logo
8:00 am - 11:10 pm
PHX
-
SOF
29h 10m
2 stops
Multiple Airlines Logo
6:10 am - 7:22 pm
SOF
-
PHX
23h 12m
2 stops
$555Multiple Airlines
Mon, Apr 27 - Tue, Jun 9

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
May 3
PHX6:00 amPhoenix Sky Harbor Intl
27h 20m
2 stops
SOF7:20 pmSofia
Nov 2
SOF5:25 pmSofia
33h 50m
1 stop
PHX6:15 pmPhoenix Sky Harbor Intl
$515
British Airways
May 3
PHX6:00 amPhoenix Sky Harbor Intl
27h 20m
2 stops
SOF7:20 pmSofia
Nov 2
SOF5:25 pmSofia
33h 50m
1 stop
PHX6:15 pmPhoenix Sky Harbor Intl
$516
British Airways
May 3
PHX6:00 amPhoenix Sky Harbor Intl
27h 20m
2 stops
SOF7:20 pmSofia
Nov 2
SOF5:25 pmSofia
34h 42m
2 stops
PHX7:07 pmPhoenix Sky Harbor Intl
$518

United Airlines flights from Phoenix Sky Harbor Intl Airport to Sofia

Our best United Airlines deals on Phoenix Sky Harbor Intl Airport to Sofia flight tickets
United Airlines
Apr 27
PHX10:30 amPhoenix Sky Harbor Intl
26h 40m
2 stops
SOF11:10 pmSofia
Oct 6
SOF6:10 amSofia
24h 10m
2 stops
PHX8:20 pmPhoenix Sky Harbor Intl
$562
United Airlines
Apr 27
PHX4:34 pmPhoenix Sky Harbor Intl
20h 36m
2 stops
SOF11:10 pmSofia
Oct 6
SOF2:10 pmSofia
28h 37m
2 stops
PHX8:47 amPhoenix Sky Harbor Intl
$563
United Airlines
May 3
PHX11:47 pmPhoenix Sky Harbor Intl
27h 33m
2 stops
SOF1:20 pmSofia
Nov 2
SOF2:25 pmSofia
39h 06m
3 stops
PHX8:31 pmPhoenix Sky Harbor Intl
$565

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 January 28, 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

Price

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sun 5/3

6:00 am-7:20 pm

2 stops27h 20m

Sofia

Mon 11/2

5:25 pm-6:15 pm

1 stop33h 50m

$515

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sun 5/3

6:00 am-7:20 pm

2 stops27h 20m

Sofia

Mon 11/2

5:25 pm-6:15 pm

1 stop33h 50m

$516

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sun 5/3

6:00 am-7:20 pm

2 stops27h 20m

Sofia

Mon 11/2

5:25 pm-7:07 pm

2 stops34h 42m

$518

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sun 5/3

6:00 am-7:20 pm

2 stops27h 20m

Sofia

Mon 11/2

5:25 pm-11:46 pm

2 stops39h 21m

$519

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Mon 5/4

11:12 pm-8:30 pm

2 stops35h 18m

Sofia

Mon 5/18

8:10 pm-7:00 pm

1 stop32h 50m

$545

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Mon 5/4

4:58 pm-8:30 pm

2 stops41h 32m

Sofia

Mon 5/18

8:10 pm-7:00 pm

1 stop32h 50m

$546

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Mon 5/4

11:12 pm-8:30 pm

2 stops35h 18m

Sofia

Mon 5/18

8:10 pm-6:08 pm

2 stops31h 58m

$548

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Mon 5/4

11:12 pm-8:30 pm

2 stops35h 18m

Sofia

Mon 5/18

8:10 pm-7:27 pm

2 stops33h 17m

$549

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Mon 4/27

8:00 am-11:10 pm

2 stops29h 10m

Sofia

Tue 6/9

6:10 am-7:22 pm

2 stops23h 12m

$554

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Mon 4/27

8:00 am-11:10 pm

2 stops29h 10m

Sofia

Tue 6/9

6:10 am-7:22 pm

2 stops23h 12m

$555

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Phoenix Sky Harbor Intl Airport and Sofia?

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from Phoenix Sky Harbor Intl Airport is in November. Flight prices, which tend to average around $568, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Sofia from Phoenix Sky Harbor Intl Airport during March instead. Flights to Sofia in March, while not as cheap as those in November, still average around $659.

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 $817 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 $676 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

27h 20m

Direct flights

None
The fastest flight from Phoenix Sky Harbor Intl Airport to Sofia takes 27h 20m
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 27h 20m.

  • 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
7.5
895 reviews
Search Austrian Airlines flights
LufthansaPriceFrom $617Free CancellationRating
6.8
7,752 reviews
Search Lufthansa flights
United AirlinesPriceFrom $621Free CancellationRating
7.4
9,213 reviews
Search United Airlines flights
American AirlinesPriceFrom $685Free CancellationRating
7.2
11,199 reviews
Search American Airlines flights
KLMPriceFrom $710Free CancellationRating
7.7
1,443 reviews
Search KLM flights
British AirwaysPriceFrom $732Free CancellationRating
6.7
7,705 reviews
Search British Airways flights
Air CanadaPriceFrom $933Free CancellationRating
7.1
10,666 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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Airlines are sorted and displayed according to clicks in the past 7 days on momondo
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British Airways
Lufthansa
American Airlines
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Air Canada
KLM