Cheap flights from Portland to Sofia from $713
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Sofia departing on 3/9. 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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Fly from
Fly to
Route
Depart
Return
PortlandSofia
PDX Portland - SOF Sofia
PDXSOF
Portland
Tue 3/9
8:45 am-6:20 pm
2 stops23h 35m
Sofia
Fri 3/19
6:00 am-12:54 am
2 stops27h 54m
PortlandSofia
PDX Portland - SOF Sofia
PDXSOF
Portland
Sun 4/4
7:10 pm-6:40 pm
2 stops37h 30m
Sofia
Fri 4/9
6:20 am-9:25 am
2 stops37h 05m
PortlandSofia
PDX Portland - SOF Sofia
PDXSOF
Portland
Tue 3/30
10:00 am-6:40 pm
2 stops22h 40m
Sofia
Wed 4/7
6:20 am-9:25 am
2 stops37h 05m
PortlandSofia
PDX Portland - SOF Sofia
PDXSOF
Portland
Mon 3/29
7:10 pm-6:40 pm
2 stops37h 30m
Sofia
Fri 4/9
6:20 am-8:45 pm
2 stops24h 25m
PortlandSofia
PDX Portland - SOF Sofia
PDXSOF
Portland
Tue 3/30
10:00 am-6:40 pm
2 stops22h 40m
Sofia
Tue 4/6
6:20 am-2:40 pm
2 stops42h 20m
PortlandSofia
PDX Portland - SOF Sofia
PDXSOF
Portland
Tue 3/30
10:00 am-6:40 pm
2 stops22h 40m
Sofia
Fri 4/9
6:20 am-6:30 pm
2 stops22h 10m
PortlandSofia
PDX Portland - SOF Sofia
PDXSOF
Portland
Sun 4/4
7:30 am-11:00 pm
2 stops29h 30m
Sofia
Tue 4/6
12:55 pm-10:57 pm
2 stops20h 02m
PortlandSofia
PDX Portland - SOF Sofia
PDXSOF
Portland
Mon 3/29
4:05 pm-11:00 pm
2 stops20h 55m
Sofia
Mon 4/5
12:55 pm-8:49 pm
2 stops41h 54m
PortlandSofia
PDX Portland - SOF Sofia
PDXSOF
Portland
Tue 3/30
4:05 pm-6:40 pm
2 stops16h 35m
Sofia
Mon 4/5
12:55 pm-8:49 pm
2 stops41h 54m
PortlandSofia
PDX Portland - SOF Sofia
PDXSOF
Portland
Wed 3/31
4:05 pm-11:00 pm
2 stops20h 55m
Sofia
Mon 4/5
12:55 pm-8:49 pm
2 stops41h 54m
See travel insights to Sofia from
How to get the cheapest flight ticket from Portland 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 Portland is in April. Flight prices, which tend to average around $595, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Sofia from Portland during March instead. Flights to Sofia in March, while not as cheap as those in April, still average around $684.
Can stopping save me money on Portland to Sofia flights?
You could potentially save up to 17% on your flight if you consider stops on a Portland to Sofia flight.
When to book flights from Portland to Sofia
Cheap Portland to Sofia (PDX to SOF) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland to Sofia
Frequently asked questions about flying from Portland to Sofia
How far is Portland to Sofia by plane?
A flight from Portland to Sofia will travel around 5988.5 mi. 17h 46m is a normal flight duration for this route.
When did momondo last update prices for flights from Portland Airport to Sofia Airport?
Prices for flights from Portland Airport to Sofia Airport are updated daily.
How many operators does momondo search for flights from Portland Airport to Sofia Airport?
As of October 2026, there are 3 operators available to choose from for flights from Portland Airport to Sofia Airport.
How old do you have to be to fly from Portland Airport to Sofia Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Sofia Airport.
What documentation or ID do you need to fly to Sofia Airport?
The travel and health documents required for your trip to Sofia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sofia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Portland to Sofia?
Based on momondo bookings for flights between Portland and Sofia, the leading airline is KLM, making up 52% of the total bookings. Other popular airlines include United Airlines with 33% and Lufthansa with 15%.
Best airlines flying from Portland to Sofia
Compare and see reviews for airlines that fly from Portland to Sofia with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $555 | Free Cancellation | Rating 7.8 1,580 reviews | |||
| PriceFrom $555 | Free Cancellation | Rating 6.8 8,263 reviews | |||
| PriceFrom $666 | Free Cancellation | Rating 7.4 10,290 reviews |
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Book flights to Sofia if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Portland to Sofia?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Sofia. momondo saves you time and could save you money on your trip.
Can I find flights from Portland to Sofia with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Portland to Sofia flights to just show those with flexible booking policies.
How can momondo help me find flights from Portland 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 Portland to Sofia.
I’m not ready to book a flight from Portland to Sofia right now. Can momondo alert me if prices change?
Price alerts on flights to Sofia from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.