Portland (PDX) → Sofia (SOF)
About Portland to Sofia Flights
Discover the best flights from Portland to Sofia, covering 9,638 km in approximately 12h 33m. Portland (PDX) to Sofia (SOF) is one of the major long-haul routes connecting United States and Bulgaria. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Portland to Sofia.
12-Month Price History
Flight prices from Portland to Sofia vary significantly throughout the year. February typically offers the best deals with average prices around $1753, while July sees the highest prices, averaging $2971. Savvy travelers can save up to 41% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
73 days
For best prices
Booking Tips
For the best prices on Portland to Sofia flights, we recommend booking 104 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
Bulgaria Air FB | $2940 | $12510 | $15590 |
Alaska Airlines AS | $3240 | $9870 | $18710 |
Delta Air Lines DL | $3310 | $10330 | $19820 |
United Airlines UA | $3400 | $10490 | $16110 |
British Airways BA | $3510 | $10870 | $21780 |
American Airlines AA | $3630 | $12350 | $20490 |
Air France AF | $3900 | $12060 | $20830 |
Bulgaria Air
FB
Economy
$2940
Business
$12510
First
$15590
Alaska Airlines
AS
Economy
$3240
Business
$9870
First
$18710
Delta Air Lines
DL
Economy
$3310
Business
$10330
First
$19820
United Airlines
UA
Economy
$3400
Business
$10490
First
$16110
British Airways
BA
Economy
$3510
Business
$10870
First
$21780
American Airlines
AA
Economy
$3630
Business
$12350
First
$20490
Air France
AF
Economy
$3900
Business
$12060
First
$20830
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
Portland → Skopje
Portland International (PDX) to Skopje International (SKP)
Distance: 9,654 km
Average price: $2013
Portland → Pristina
Portland International (PDX) to Pristina International (PRN)
Distance: 9,572 km
Average price: $1997
Portland → Skopje
Portland International (PDX) to Skopje (SKP)
Distance: 9,654 km
Average price: $2013
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Frequently Asked Questions
How long is the flight from Portland to Sofia?
The flight time from Portland (PDX) to Sofia (SOF) is approximately 12 hours and 33 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Portland and Sofia?
The aerial distance between Portland and Sofia is 9,638 kilometers (5,989 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Portland to Sofia?
Several airlines operate flights between Portland and Sofia, including Alaska Airlines, Bulgaria Air, American Airlines and 4 more airlines. Most flights on this route include one or more stops.
What is the cheapest month to fly from Portland to Sofia?
Based on historical data, February typically offers the lowest airfares for flights from Portland to Sofia. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Sofia?
For the best prices on Portland to Sofia flights, we recommend booking 153 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from Portland to Sofia?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to Bulgaria should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between Portland and Sofia?
Portland operates on America/Los_Angeles time zone, while Sofia is in the Europe/Sofia time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.