$274 Flights from Portland (PDX) to Sofia (SOF)

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Flight deals from Portland to Sofia

Looking for a cheap last-minute deal or the best round-trip flight from Portland Airport to Sofia Airport? If you want to travel next month, round-trip fares start from $1,106. Find the lowest prices on one-way and round-trip tickets right here.

Sofia.$274 per passenger.Departing Wed, Sep 30.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departing from Portland on Wed, Sep 30, arriving in Sofia.Price includes taxes and charges.From $274, select.

Sofia.$388 per passenger.Departing Wed, May 19.One-way flight with British Airways.Outbound indirect flight with British Airways, departing from Portland on Wed, May 19, arriving in Sofia.Price includes taxes and charges.From $388, select.

Sofia.$472 per passenger.Departing Tue, Aug 25.One-way flight with KLM.Outbound indirect flight with KLM, departing from Portland on Tue, Aug 25, arriving in Sofia.Price includes taxes and charges.From $472, select.

Find the cheapest month to fly from Portland to Sofia from $274 one-way

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 September.

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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.

Sofia

4 miles from central Sofia

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from $274

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Portland to Sofia: Flight information

The things to know before you go.

Cheapest flight found	$274
Cheapest month to fly	September

Finding cheap flights from Portland to Sofia: Frequently asked questions

How much are round-trip flights from Portland to Sofia?

The best price we found for a round-trip flight from Portland to Sofia is $826. 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.

Which airlines fly direct from Portland to Sofia?

Currently, there are no airlines that fly direct from Portland to Sofia. But we found flights with one or more stops from $826.

How many flights are there a week from Portland to Sofia?

There are no flights flying from Portland to Sofia, as of June 2026.

When is the cheapest time to fly from Portland to Sofia?

The cheapest month to fly from Portland to Sofia is usually August.

Which upcoming date is cheapest to fly from Portland Airport to Sofia Airport on?

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, August 27, 2026.

Can I get a direct flight from Portland Airport to Sofia Airport?

No airlines currently offer direct flights between Portland Airport and Sofia Airport. Most routes have one or more stops.

How can I find the best flight deal to Sofia?

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.

When is the best time to book flights to Sofia?

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.

Which is the cheapest airline to fly with from Portland Airport to Sofia?

Currently, Icelandair offers the cheapest flight tickets to Sofia.

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

The timezone in Sofia is UTC+2, which is ten hours ahead of Portland.
Give yourself plenty of time to make your PDX to SOF flight. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.
Traveling during a peak time like July? Major public holidays and other popular periods can result in longer queues and delays at security. Play things extra safe and arrive up to four hours before an international flight and two hours before a domestic departure.
If you'd love to visit a different city along the way, look for a flight with a stopover. To see all your options for tickets from Portland Airport to Sofia Airport, deselect 'Direct flights only.' London Heathrow Airport is a well-known stop between PDX and SOF.

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

Right now, $274 is the cheapest price we've found for a one-way Portland Airport to Sofia Airport flight. The best price for a return ticket is $826. Bear in mind that fares can change due to availability at the time of booking.
Don't wait until the last minute. You're more likely to get cheap tickets from PDX to SOF if you book ahead. Airlines often have some fantastic early bird deals.
If you're willing to be flexible with your travel dates, try using the 'Whole month' search tool. It'll give you the lowest price across every month when searching for a flight from Portland Airport to Sofia Airport.
Getting your hands on cheap flights from PDX to SOF is a breeze with Price Alerts. All you need to do is create one of these automatic alerts and we'll get in touch as soon as a new deal comes up.
Lock in the perfect flight for you by using the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Portland Airport to Sofia Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and number of stops.

Handy information about Portland Airport (PDX)

PDX's address is 7000 NE Airport Way.
83% of flights leaving Portland Airport arrive at their destination as planned. Given its strong performance rating, you're unlikely to face delays when jetting out of PDX.
To get to Portland Airport from central Portland, it'll take about 20 minutes by car. Of course, this depends on traffic. It's approximately 12 miles from the airport to the city center.
The trip when using public transport usually takes 40 minutes.
Searching for a handy hotel near PDX? If you've booked an early flight from Portland Airport to Sofia Airport, these stays will have you moments from your departure lounge:

Arriving at Sofia Airport (SOF)

Consider staying in a hotel near SOF if you're catching a late Portland Airport to Sofia Airport flight. Pick one of these accommodation options and avoid the hassle of a long transfer:
Fast-track your adventure by picking up a Sofia Airport rental car. Grab a set of wheels from MEX, Surprice or NU Car Rentals and experience the lesser-explored corners of Sofia and beyond.
Booking your vehicle from Sofia Airport around one week in advance boosts your odds of scoring a great price.

When to fly to Sofia Airport (SOF)

It's time to pick your dates for your flight from Portland Airport to Sofia Airport. August is the most popular month to visit Sofia. If you'd like a more laid-back vibe, go in March.
When reserving your flight from Portland Airport to Sofia Airport, consider the type of weather you like. August is the warmest month in Sofia, with the temperature ranging from 55ºF to 90ºF.
January sees average temperatures of between 12ºF and 45ºF. Search for cheap tickets from PDX to SOF sometime then if you like traveling in cooler conditions.

Explore more of Bulgaria

You've seen Sofia, now it's time to discover other corners of Bulgaria. Travel around 80 miles south-east to Plovdiv to check off its leading attractions. From Plovdiv Roman Theatre to Municipal Institute "Ancient Plovdiv" and Museum Center for Contemporary History, you'll have a packed itinerary ahead.
Varna is another essential stop in Bulgaria and is around 240 miles east of Sofia. No journey is complete without visiting Sahara beach, Museum of Natural History and Sea Garden.