PDX - SOF

$296 Find Cheap Flights from Portland to Sofia - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$718
Typical prices: $671-$1,107
Air Canada
Wed 4/18Sat 4/21
PDX - SOF • 2 stops
Cheapest one-way
$296
Typical prices: $397-$542
Multiple Airlines
Sat 11/24
PDX - SOF • 3 stops
Nonstop flights
There are currently no direct flights between Portland and Sofia. You'll need to take a connecting flight to reach the destination.
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Insights
When to travel
Cheapest • 37% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $906 (round-trip)
Shortest trip • 17h 29m (one-way)
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Insights
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Flight Deals

Cheap Flights from Portland to Sofia (PDX-SOF)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Portland to Sofia

Sun, Apr 18 - Wed, Apr 21
Air Canada Logo
6:55 am - 6:45 pmPDX  Portland-SOF Sofia
25h 50m2 stops Vancouver Intl Munich Franz Josef Strauss
Air Canada Logo
6:20 am - 8:45 pmSOF  Sofia-PDX Portland
24h 25m2 stops Frankfurt am Main Vancouver Intl
$718Air Canada
Sun, Apr 25 - Wed, Apr 28
Air Canada Logo
10:00 am - 6:45 pmPDX  Portland-SOF Sofia
22h 45m2 stops Vancouver Intl Munich Franz Josef Strauss
Air Canada Logo
6:20 am - 2:40 pmSOF  Sofia-PDX Portland
42h 20m2 stops Frankfurt am Main Vancouver Intl
$728Air Canada
Sun, Apr 18 - Wed, Apr 21
Air Canada Logo
6:55 am - 6:45 pmPDX  Portland-SOF Sofia
25h 50m2 stops Vancouver Intl Munich Franz Josef Strauss
Air Canada Logo
6:20 am - 8:45 pmSOF  Sofia-PDX Portland
24h 25m2 stops Frankfurt am Main Vancouver Intl
$728Air Canada
Sun, Apr 18 - Wed, Apr 21
United Airlines Logo
1:39 pm - 11:00 pmPDX  Portland-SOF Sofia
23h 21m2 stops San Francisco Frankfurt am Main
United Airlines Logo
6:20 am - 8:33 pmSOF  Sofia-PDX Portland
24h 13m3 stops Frankfurt am Main Chicago O'Hare Intl San Francisco
$833United Airlines
Fri, Dec 4 - Sun, Dec 13
Multiple Airlines Logo
10:00 am - 1:25 pmPDX  Portland-SOF Sofia
17h 25m2 stops Vancouver Intl Frankfurt am Main
Multiple Airlines Logo
6:00 am - 8:46 pmSOF  Sofia-PDX Portland
24h 46m2 stops Munich Franz Josef Strauss Vancouver Intl
$888Multiple Airlines
Wed, Nov 18 - Tue, Nov 24
Multiple Airlines Logo
10:47 am - 3:25 pmPDX  Portland-SOF Sofia
18h 38m2 stops Chicago O'Hare Intl Zurich
Multiple Airlines Logo
6:25 am - 8:46 pmSOF  Sofia-PDX Portland
24h 21m2 stops Frankfurt am Main Vancouver Intl
$900Multiple Airlines
Fri, Dec 4 - Sun, Dec 13
Multiple Airlines Logo
7:00 am - 1:25 pmPDX  Portland-SOF Sofia
20h 25m3 stops Chicago O'Hare Intl Toronto Pearson Intl Frankfurt am Main
Multiple Airlines Logo
6:00 am - 6:31 pmSOF  Sofia-PDX Portland
22h 31m2 stops Munich Franz Josef Strauss Vancouver Intl
$916Multiple Airlines
Sun, Apr 25 - Wed, Apr 28
United Airlines Logo
1:39 pm - 11:00 pmPDX  Portland-SOF Sofia
23h 21m2 stops San Francisco Frankfurt am Main
United Airlines Logo
6:20 am - 8:33 pmSOF  Sofia-PDX Portland
24h 13m3 stops Frankfurt am Main Chicago O'Hare Intl San Francisco
$929United Airlines
Sun, Apr 18 - Wed, Apr 21
United Airlines Logo
1:39 pm - 11:00 pmPDX  Portland-SOF Sofia
23h 21m2 stops San Francisco Frankfurt am Main
United Airlines Logo
6:20 am - 8:33 pmSOF  Sofia-PDX Portland
24h 13m3 stops Frankfurt am Main Chicago O'Hare Intl San Francisco
$932United Airlines
Fri, Dec 4 - Sun, Dec 13
Air Canada Logo
7:00 am - 1:25 pmPDX  Portland-SOF Sofia
20h 25m3 stops Chicago O'Hare Intl Toronto Pearson Intl Frankfurt am Main
Air Canada Logo
6:25 am - 6:31 pmSOF  Sofia-PDX Portland
22h 06m3 stops Frankfurt am Main Munich Franz Josef Strauss Vancouver Intl
$948Air Canada
Booking Insights

Price, demand and travel trends for Portland to Sofia flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Portland to Sofia?

Round-trip flights from Portland to Sofia typically range from $671 to $1,107. The lowest price found in the past 5 days was $718, on Air Canada.

What's the cheapest day of the week to fly from Portland to Sofia?

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Portland to Sofia. It’s 20% cheaper than the average day, while Friday is the most expensive, with prices 51% higher.

Key details for Portland to Sofia flights

Low season

January

Cheapest flight

$296
Beat the crowds with an average 83% drop in travelers.
The most popular month to fly with an average 75% increase in travelers.
One-way flight from Portland to Sofia

When to book flights from Portland to Sofia

Are your dates flexible? Find out the best times to travel from Portland to Sofia based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Portland to Sofia flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Portland to Sofia?

    Only Economy Class is available on flights from Portland to Sofia.

  • How long is a flight from Portland to Sofia?

    A nonstop flight from Portland to Sofia takes 00m, covering 5,985 miles.

  • Do I need a passport to fly from Portland to Sofia?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Portland to Sofia flight?

    Round-trip flights from Portland to Sofia range from $671 to $1,107, with an average of $921 over the past 12 months. Anything below $671 counts as a good deal.

  • Have flight prices from Portland to Sofia changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $718 to $1,826. That means the highest observed fare was about 3x higher than the lowest one.

  • How are flight prices from Portland to Sofia looking right now?

    One-way fares from Portland to Sofia are currently lower than usual. Average one-way flight prices are about $435, which is 7% below the typical average for this route.

  • What car rental options are available at Sofia Airport (SOF)?

    Sofia Airport (SOF) hosts 5 major car rental companies, with daily rates averaging $21 for economy cars. Top options include:

    • MEXRENTACAR
    • NU Car
    • Top Rent a Car - Bulgaria
    • Priceless
    • Easyrent

  • Which airports can I use when flying from Portland to Sofia?

    Flights from Portland to Sofia usually depart from Portland (PDX) and arrive at Sofia (SOF).

  • Which airports do connecting flights from Portland to Sofia pass through?

    One-stop flights from Portland to Sofia most commonly connect through:

    • Amsterdam Schiphol (AMS) - 78% of one-stop connections
    • London Heathrow (LHR) - 19% of one-stop connections
    • Frankfurt am Main (FRA) - 3% of one-stop connections

  • Can I save money by using flexible dates for flights from Portland to Sofia?

    Yes. Flexible dates can save you up to 48% on flights from Portland to Sofia. Sunday is the cheapest departure day at $738 round-trip on average, while Friday is the most expensive at $1,396, a difference of $658.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different layover airport from Portland to Sofia?

    Flying via Amsterdam Schiphol (AMS) gives the shortest average 1-stop total travel time at 14h 32m, compared with 17h 29m via Frankfurt am Main (FRA) and 22h 52m via London Heathrow (LHR).

  • What is the time difference between Portland and Sofia?

    Sofia is 9 hours ahead of Portland (Eastern European Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Sofia?

    Some of the most popular sights in Sofia are Vasil Levski National Stadium, National Palace of Culture and Central Sofia Market Hall. These are among the most viewed places in Sofia on KAYAK.

Your guide to booking Portland to Sofia flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Friday. On this route, Sunday flights average $738, about $658 less than Friday fares (47% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Portland to Sofia trip for May. Fares historically average $584 round-trip in that month - typically $742 less than the most expensive month, which is October (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Sofia Airport.

    • Hotel Premier Airport Sofia
    • ibis Sofia Airport
    • Hotel Consul

More options for your flight from Portland to Sofia

Complete your trip to Sofia with a hotel stay or car rental