$437 Flights from Portland (PDX) to Sofia (SOF)

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Flight deals from Portland Airport to Sofia Airport

Looking for a cheap last-minute deal or the best round-trip flight from Portland to Sofia? Find the lowest prices on one-way and round-trip tickets right here.
Is this a good flight price? We'll tell you.We compare today's Portland Airport to Sofia Airport prices with what travelers usually pay, so you can see if now's a good time to book or if it's worth waiting.

Find the cheapest month to fly from Portland to Sofia

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

Portland to Sofia: Alternative routes

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

Portland to Sofia: Flight information

The things to know before you go.
Cheapest flight found$437
Cheapest month to flyJune

Finding cheap flights from Portland to Sofia: Frequently asked questions

The best price we found for a round-trip flight from Portland to Sofia is $930. 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 Portland to Sofia. But we found flights with one or more stops from $930.
There are no flights flying from Portland to Sofia, as of March 2026.
The cheapest month to fly from Portland to Sofia is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Sofia Airport on Thursday, June 4, 2026.
No airlines currently offer direct flights between Portland 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, Icelandair offers the cheapest flight tickets to Sofia.

Traveling from Portland International Airport (PDX) to Sofia Airport (SOF): what you need to know

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

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Show up at the airport on time to board your PDX to SOF flight.

  • Flying during a peak time like July? Major public holidays and other high seasons can mean longer queues at check-in and security. Play things extra safe and get there up to four hours ahead of international flights and two hours before a domestic departure.

  • If you'd like to explore another city along the way, look for a flight with a stopover. To see all your options for tickets from Portland International Airport to Sofia Airport, deselect 'Direct flights only.' Amsterdam Airport Schiphol is a popular stop between PDX and SOF.

How to find the cheapest flights from Portland International Airport (PDX) to Sofia Airport (SOF)

  • Right now, $437 is the lowest price we've seen for a one-way Portland International Airport to Sofia Airport flight. The best price for a return ticket is $930. Remember that fares could change due to availability at the time of booking.

  • To get your hands on cheap tickets from PDX to SOF, book ahead. Airlines generally offer lower fares when flights are first made available.

  • Finding cheap flights from Portland International Airport to Sofia Airport is more likely if you can be flexible with your trip dates. Use the 'Whole month' function to see the best prices across every month and land a great deal.

  • You won't have to check every day to see if fares have dropped when you set up a Price Alert. We'll update you as soon as there's a better deal on cheap flights from PDX to SOF.

  • Tailor your flights with filters. Pick your ideal departure and arrival times, total journey duration and airlines. You can also sort results by 'Cheapest,' 'Best' or 'Fastest' flights from Portland International Airport to Sofia Airport.

Handy information about Portland International Airport (PDX)

  • The address for PDX is 7000 NE Airport Way.

  • 83.65% of flights departing from Portland International Airport reach their destination according to schedule. With its dependable on-time performance, disruptions are unlikely when setting off from PDX.

  • Central Portland to Portland International Airport is around 12 miles. Depending on traffic, it'll take about 20 minutes to get there if you're driving, catching a cab or ride-sharing.

  • Taking public transport? Expect a trip time of around 45 minutes.

  • Catching an early flight from Portland International Airport to Sofia Airport? Avoid the stress of rushing to the airport (and sneak in some extra snooze time) by picking one of these hotels close to PDX:

Arriving at Sofia Airport (SOF)

  • The last thing you need is a lengthy journey to your hotel if you're arriving on a late Portland International Airport to Sofia Airport flight. Book one of these accommodation options near SOF instead:

  • Get on the fast track to adventure by picking up a Sofia Airport rental car. Grab a set of wheels from MEX, Surprice or NU Car Rentals and explore beyond Sofia's usual tourist stops.

  • Booking your ride from Sofia Airport around one week in advance can help you get the best possible rate.

Getting from Sofia Airport (SOF) to central Sofia

  • Sofia Airport is roughly 7 miles from central Sofia. Driving there takes about 15 minutes.

  • If you're using public transport, expect a journey time of about 35 minutes.

When to fly to Sofia Airport (SOF)

  • August is the most popular month for flights from Portland International Airport to Sofia Airport. For a quieter experience, travel to Sofia in April.

  • Before locking in your flight from Portland International Airport to Sofia Airport, think about the type of weather you like. August is the warmest month in Sofia, with temperatures ranging from 57ºF to 86ºF.

  • Look for cheap tickets from PDX to SOF in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 12ºF and 45ºF on average.

Explore more of Bulgaria

  • Sofia has plenty to offer, but there are so many other corners of Bulgaria waiting to be discovered. About 80 miles south-east of Sofia, a visit to Plovdiv will keep you busy. Start with leading attractions like Plovdiv Old Town, Plovdiv Roman Theatre and Archaelogical Complex Nebet Tepe.

  • If you're eager to discover another side of Bulgaria, head for Varna, about 240 miles east of Sofia. Park Asparuhovo - Asparuhovo sea garden, Dormition of theotokos Cathedral and Sunset viewpoint (място за гледане на Залеза) are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.