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Cheap flights from Phoenix Sky Harbor Intl Airport to Bulgaria from $732

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 Bulgaria departing on 12/15. 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 Bulgaria

Cheap round-trip flights

Lufthansa Logo
6:18 pm - 10:45 pmPHX-SOF
19h 27m2 stops
Lufthansa Logo
6:10 am - 7:22 pmSOF-PHX
22h 12m2 stops
$732Lufthansa
Find Deal
Mon, Dec 15 - Sun, Jan 25
United Airlines Logo
10:45 am - 6:20 pmPHX-SOF
22h 35m3 stops
United Airlines Logo
6:10 am - 7:12 pmSOF-PHX
22h 02m2 stops
$942United Airlines
Find Deal
Mon, Dec 15 - Sun, Jan 25
British Airways Logo
11:59 pm - 8:10 pmPHX-SOF
35h 11m2 stops
British Airways Logo
2:30 pm - 6:20 pmSOF-PHX
36h 50m1 stop
$1,408British Airways
Find Deal
Mon, Dec 15 - Sun, Jan 25
Multiple Airlines Logo
8:25 pm - 8:10 pmPHX-SOF
38h 45m1 stop
Multiple Airlines Logo
2:30 pm - 6:20 pmSOF-PHX
36h 50m1 stop
$3,553Multiple Airlines
Find Deal
Mon, Dec 15 - Sun, Jan 25

Lufthansa flights from Phoenix Sky Harbor Intl Airport to Bulgaria

Our best Lufthansa deals on Phoenix Sky Harbor Intl Airport to Bulgaria flight tickets
Lufthansa
Dec 15
PHX6:18 pmPhoenix Sky Harbor Intl
19h 27m
2 stops
SOF10:45 pmSofia
Jan 25
SOF6:10 amSofia
22h 12m
2 stops
PHX7:22 pmPhoenix Sky Harbor Intl
$732
Find similar
Lufthansa
Oct 1
PHX2:40 pmPhoenix Sky Harbor Intl
18h 00m
2 stops
SOF6:40 pmSofia
Oct 11
SOF6:15 amSofia
22h 29m
2 stops
PHX6:44 pmPhoenix Sky Harbor Intl
$1,670
Find similar
Lufthansa
Oct 1
PHX2:40 pmPhoenix Sky Harbor Intl
18h 00m
2 stops
SOF6:40 pmSofia
Oct 11
SOF6:00 amSofia
22h 56m
2 stops
PHX6:56 pmPhoenix Sky Harbor Intl
$1,686
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix Sky Harbor Intl Airport to Bulgaria 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 September 23, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Mon 12/15

6:18 pm-10:45 pm

2 stops19h 27m

Sofia

Sun 1/25

6:10 am-7:22 pm

2 stops22h 12m

$732

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Mon 12/15

10:45 am-6:20 pm

3 stops22h 35m

Sofia

Sun 1/25

6:10 am-7:12 pm

2 stops22h 02m

$942

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Mon 12/15

11:59 pm-8:10 pm

2 stops35h 11m

Sofia

Sun 1/25

2:30 pm-6:20 pm

1 stop36h 50m

$1,408

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Mon 12/15

8:25 pm-8:10 pm

1 stop38h 45m

Sofia

Sun 1/25

2:30 pm-6:20 pm

1 stop36h 50m

$3,553

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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 month to fly to Bulgaria?

If you aren’t able to travel to Bulgaria during the month of March, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $727.

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

The cheapest day to depart from Phoenix Sky Harbor Intl Airport to Bulgaria is on a Saturday when prices can be found for as low as $940. On the other hand, Thursday is the most expensive day to depart from Phoenix Sky Harbor Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,207.

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

At noon is the cheapest time of day to fly from Phoenix Sky Harbor Intl Airport to Bulgaria when you can find flight prices for as low as $1,036. Flying to Bulgaria at noon is an ideal time because this is during off-peak travel hours. Flights to Bulgaria are more costly in the morning, with an average ticket price of $1,096. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Bulgaria from Phoenix Sky Harbor Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Bulgaria for around $896 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bulgaria from Phoenix Sky Harbor Intl Airport for as low as $747 on momondo.

Can stopping save me money on Phoenix Sky Harbor Intl Airport to Bulgaria flights?

You could potentially save up to 5% on your flight if you consider stops on a Phoenix Sky Harbor Intl Airport to Bulgaria flight.

Cheap Phoenix Sky Harbor Intl Airport to Bulgaria flight deals and tips

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

Direct flights

None
There are no direct flights from Phoenix Sky Harbor Intl Airport to Bulgaria. There are no popular flight routes from Phoenix Sky Harbor Intl Airport to Bulgaria.
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  • When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Bulgaria?

    Prices for flights from Phoenix Sky Harbor Intl Airport to Bulgaria are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Phoenix Sky Harbor Intl Airport to Bulgaria.

  • What documentation or ID do you need to fly to Bulgaria?

    The necessary travel and health documents for your Bulgaria trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Phoenix Sky Harbor Intl Airport to Bulgaria

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Bulgaria with momondo
Airline
Rating
Free Cancellation
Price
Austrian AirlinesPriceFrom $571Free CancellationRating
7.6
853 reviews
Search Austrian Airlines flights
American AirlinesPriceFrom $621Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $629Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
LufthansaPriceFrom $662Free CancellationRating
6.8
7,421 reviews
Search Lufthansa flights
KLMPriceFrom $733Free CancellationRating
7.8
1,387 reviews
Search KLM flights
British AirwaysPriceFrom $922Free CancellationRating
6.7
7,391 reviews
Search British Airways flights
Air CanadaPriceFrom $933Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Phoenix to Bulgaria. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Phoenix to Bulgaria flights to just show those with flexible booking policies.

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

Once you have performed a search for Phoenix to Bulgaria flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Phoenix to Bulgaria flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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