$389 Flights from Phoenix Sky Harbor (PHX) to Sofia (SOF)

Compare Phoenix Sky Harbor to Sofia flight deals

Find the cheapest month or even day of the year to fly to Sofia

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Flight deals from Phoenix Sky Harbor to Sofia

Looking for a cheap last-minute deal or the best round-trip flight from Phoenix Sky Harbor Airport to Sofia Airport? If you want to travel next month, round-trip fares start from $933. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Phoenix Sky Harbor to Sofia from $389 one-way

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Phoenix Sky Harbor to Sofia flights are currently cheapest in July.

Phoenix Sky Harbor to Sofia: Alternative routes

Compare routes from Phoenix Sky Harbor to Sofia below. You may find an airport to fly into that's cheaper, faster, or easier than Sofia.

Phoenix to Sofia: Flight information

The things to know before you go.
Cheapest flight found$390
Cheapest month to flyJuly

Finding cheap flights from Phoenix Sky Harbor to Sofia: Frequently asked questions

The best price we found for a round-trip flight from Phoenix Sky Harbor to Sofia is $834. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Phoenix Sky Harbor to Sofia. But we found flights with one or more stops from $834.
There are no flights flying from Phoenix Sky Harbor to Sofia, as of June 2026.
The cheapest month to fly from Phoenix Sky Harbor to Sofia is usually January.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Phoenix Sky Harbor Airport to Sofia Airport on Friday, January 22, 2027.
No airlines currently offer direct flights between Phoenix Sky Harbor Airport and Sofia Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sofia but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Sofia is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, British Airways offers the cheapest flight tickets to Sofia.

Traveling from Phoenix Sky Harbor Airport (PHX) to Sofia Airport (SOF): what you need to know

  • Sofia is nine hours ahead of Phoenix and observes the UTC+2 timezone.

  • Your PHX to SOF flight won't wait if you're late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're traveling internationally.

  • During popular months like April, you'll want to get to the airport even earlier. Plan to arrive two hours before domestic departures and four hours ahead for an international flight whenever you're traveling during a high season in general.

  • Think about adding a stopover when booking your ticket from Phoenix Sky Harbor Airport to Sofia Airport. Simply deselect 'Direct flights only' to break up your trip, or perhaps see a new city along the way. Here are some options between PHX and SOF:

    • London Heathrow Airport

    • Frankfurt am Main Airport

    • Paris Charles de Gaulle Airport

How to find the cheapest flights from Phoenix Sky Harbor Airport (PHX) to Sofia Airport (SOF)

  • $389 is the lowest price for a one-way Phoenix Sky Harbor Airport to Sofia Airport flight. Return flights start from $834. These fares may change based on availability and demand.

  • To get your hands on cheap tickets from PHX to SOF, book early. Airlines usually offer their most competitively priced fares when flights are first made available.

  • If you're flexible with your travel plans, use the 'Whole month' search function. It'll show you the cheapest price in every month when searching for your flight from Phoenix Sky Harbor Airport to Sofia Airport.

  • Save time searching for cheap flights from PHX to SOF by setting up a Price Alert. You'll get an email or notification on the app when a lower fare pops up.

  • Lock in the ideal flight for you by using the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Phoenix Sky Harbor Airport to Sofia Airport, use the 'Sort by' function. You can also filter by arrival and departure times, airline, and journey duration.

Handy information about Phoenix Sky Harbor Airport (PHX)

  • You'll find PHX at 3400 Sky Harbor Boulevard.

  • Phoenix Sky Harbor Airport has an excellent on-time performance, so you're less likely to experience disruptions. Departures from PHX land on schedule 80% of the time.

  • Phoenix Sky Harbor Airport is about 3 miles from central Phoenix. If you're ride-sharing, catching a cab or driving from the center, it'll take 10 minutes or so to get there, depending on the traffic.

  • Expect a journey time of about 25 minutes on public transport.

  • Searching for a convenient hotel close to PHX? If you're boarding an early flight from Phoenix Sky Harbor Airport to Sofia Airport, these stays will put you moments from your check-in counter:

Arriving at Sofia Airport (SOF)

Getting from Sofia Airport (SOF) to central Sofia

  • Sofia Airport is approximately 6 miles from the center of Sofia. Driving there takes about 25 minutes.

  • Getting there on public transport will take you around 30 minutes.

When to fly to Sofia Airport (SOF)

  • It's time to plan your travel dates for your flight from Phoenix Sky Harbor Airport to Sofia Airport. August is the busiest month to head to Sofia. If you'd like a quieter vibe, go in March.

  • When reserving your flight from Phoenix Sky Harbor Airport to Sofia Airport, think about the type of weather you like. August is the warmest month in Sofia, with temperatures ranging from 55ºF to 90ºF.

  • Look for cheap tickets from PHX to SOF in January if you like traveling in cooler conditions. Temperatures are at their lowest around then, ranging between 12ºF and 45ºF on average.

Explore more of Bulgaria

  • Sofia has its own special appeal, but there are so many other parts of Bulgaria just waiting to be discovered. About 80 miles south-east of Sofia, a trip to Plovdiv will keep your itinerary packed. Start with leading attractions like Plovdiv Roman Theatre, Municipal Institute "Ancient Plovdiv" and Museum Center for Contemporary History.

  • Varna is another essential stop in Bulgaria and is around 240 miles east of Sofia. No journey is complete without experiencing Sahara beach, Museum of Natural History and Sea Garden.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.