Cheap flights from Phoenix Sky Harbor Intl Airport to Sofia from $653
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 9/3. 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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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 month to fly to Sofia?
The cheapest month to fly to Sofia from Phoenix Sky Harbor Intl Airport is in October. Flight prices, which tend to average around $715, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, 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 October, still average around $741.
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 6 weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around $949 when searching 6 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 $851 on momondo.
What is the cheapest airline that flies from Phoenix Sky Harbor Intl to Sofia?
United Airlines is the most popular carrier operating from Phoenix Sky Harbor Intl to Sofia
What airlines fly to Sofia?
United Airlines, British Airways and Lufthansa are the top three most popular airlines that fly to Sofia from Phoenix Sky Harbor Intl Airport according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Sofia. Keep in mind that there are 7 different airlines that fly to Sofia on a routine basis, so you have a few additional options to choose from.
When to book flights from Phoenix Sky Harbor Intl Airport to Sofia
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
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 14h 25m.
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?
As of June 2025, there are 7 operators available to choose from 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?
Based on momondo bookings for flights between Phoenix Sky Harbor Intl Airport and Sofia, the leading airline is United Airlines, making up 33% of the total bookings. Other popular airlines include British Airways with 21%, Lufthansa with 21%, and American Airlines with 10%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $544 | Free Cancellation | Rating 7.1 9,537 reviews | |||
| PriceFrom $621 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $622 | Free Cancellation | Rating 7.6 802 reviews | |||
| PriceFrom $649 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $665 | Free Cancellation | Rating 7.8 1,358 reviews | |||
| PriceFrom $678 | Free Cancellation | Rating 6.7 7,139 reviews | |||
| PriceFrom $818 | Free Cancellation | Rating 6.6 7,008 reviews |
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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.