
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $728 (Air Canada) |
One-way from | $296 (Kiwi.com) |
Popular in | October |
Cheapest in | April |
Average price | $961 |
Fly from
Fly to
Route
Depart
Return
PortlandSofia
PDX Portland - SOF Sofia
PDXSOF
Portland
Mon 11/23
7:57 pm-11:05 am
3 stops53h 08m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
PortlandSofia
PDX Portland - SOF Sofia
PDXSOF
Portland
Thu 1/14
7:00 am-10:00 pm
3 stops29h 00m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
PortlandSofia
PDX Portland - SOF Sofia
PDXSOF
Portland
Wed 11/25
10:47 am-1:15 pm
2 stops16h 28m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
PortlandSofia
PDX Portland - SOF Sofia
PDXSOF
Portland
Wed 11/25
5:30 am-6:20 pm
2 stops26h 50m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
PortlandSofia
PDX Portland - SOF Sofia
PDXSOF
Portland
Wed 11/18
10:47 am-1:15 pm
3 stops40h 28m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
PortlandSofia
PDX Portland - SOF Sofia
PDXSOF
Portland
Mon 4/19
12:40 pm-11:05 pm
2 stops24h 25m
Sofia
Fri 4/23
6:20 am-8:33 pm
3 stops24h 13m
PortlandSofia
PDX Portland - SOF Sofia
PDXSOF
Portland
Sun 1/31
7:10 am-1:15 pm
2 stops20h 05m
Sofia
Fri 2/19
6:25 am-5:51 pm
2 stops21h 26m
PortlandSofia
PDX Portland - SOF Sofia
PDXSOF
Portland
Sat 1/30
7:24 pm-11:00 pm
2 stops41h 36m
Sofia
Thu 2/18
6:25 am-5:51 pm
2 stops21h 26m
PortlandSofia
PDX Portland - SOF Sofia
PDXSOF
Portland
Mon 2/1
3:40 pm-10:55 pm
2 stops21h 15m
Sofia
Sat 2/20
2:00 pm-9:01 pm
2 stops41h 01m
PortlandSofia
PDX Portland - SOF Sofia
PDXSOF
Portland
Wed 2/3
10:46 am-3:25 pm
2 stops18h 39m
Sofia
Sun 2/21
2:00 pm-9:01 pm
3 stops41h 01m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
Comfort
Overall
Boarding
Entertainment
Food
Crew
Reviews
Meghana,Aug 2026
QRO - ATL
Comfort
Overall
Boarding
Entertainment
Food
Crew
Reviews
Meghana,Aug 2026
QRO - ATL
Comfort
Overall
Boarding
Entertainment
Food
Crew
Reviews
Meghana,Aug 2026
QRO - ATL
Comfort
Overall
Boarding
Entertainment
Food
Crew
Reviews
Meghana,Aug 2026
QRO - ATL
Find useful and relevant information for your journey from Portland to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$555 | Average$807 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$555 | Average$1,008 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$638 | Average$934 | FlexibilityNo cancel fee | On-time69% |