Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Portland to Bulgaria from $513

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Bulgaria departing on 7/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Portland to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:15 am - 11:15 pm
PDX
-
SOF
32h 00m
3 stops
United Airlines Logo
6:30 am - 8:50 pm
SOF
-
PDX
24h 20m
2 stops
$802United Airlines
ג', יולי 28 - ה', אוג' 20
United Airlines Logo
8:35 am - 11:15 pm
PDX
-
SOF
28h 40m
3 stops
United Airlines Logo
6:30 am - 8:50 pm
SOF
-
PDX
24h 20m
2 stops
$827United Airlines
ו', יולי 31 - ה', אוג' 20
United Airlines Logo
5:15 am - 11:15 pm
PDX
-
SOF
32h 00m
2 stops
United Airlines Logo
6:30 am - 8:50 pm
SOF
-
PDX
24h 20m
2 stops
$838United Airlines
א', יולי 26 - ה', אוג' 20
United Airlines Logo
11:40 pm - 11:00 am
PDX
-
SOF
25h 20m
2 stops
United Airlines Logo
6:30 am - 8:50 pm
SOF
-
PDX
24h 20m
2 stops
$846United Airlines
ש', יולי 25 - ה', אוג' 20
British Airways Logo
7:30 pm - 1:25 pm
PDX
-
SOF
31h 55m
1 stop
British Airways Logo
9:25 pm - 5:40 pm
SOF
-
PDX
30h 15m
1 stop
$855British Airways
ד', מאי 20 - ד', יוני 10
United Airlines Logo
11:05 am - 11:15 pm
PDX
-
SOF
26h 10m
2 stops
United Airlines Logo
6:20 am - 8:20 pm
SOF
-
PDX
24h 00m
2 stops
$858United Airlines
ג', יולי 28 - ו', אוג' 21
Multiple Airlines Logo
11:17 am - 2:00 pm
PDX
-
SOF
16h 43m
2 stops
Multiple Airlines Logo
7:00 am - 3:06 pm
SOF
-
PDX
18h 06m
2 stops
$860Multiple Airlines
ג', יולי 28 - ד', אוג' 19
KLM Logo
11:17 am - 2:00 pm
PDX
-
SOF
16h 43m
2 stops
KLM Logo
7:00 am - 3:06 pm
SOF
-
PDX
18h 06m
2 stops
$865KLM
ב', יולי 27 - ד', אוג' 19
United Airlines Logo
5:15 am - 10:40 pm
PDX
-
SOF
31h 25m
3 stops
United Airlines Logo
6:30 am - 12:47 am
SOF
-
PDX
28h 17m
2 stops
$871United Airlines
ב', יולי 27 - ה', אוג' 20
Lufthansa Logo
11:05 am - 11:15 pm
PDX
-
SOF
26h 10m
2 stops
Lufthansa Logo
12:55 pm - 5:43 pm
SOF
-
PDX
38h 48m
2 stops
$876Lufthansa
ד', יולי 29 - ד', אוג' 19

British Airways flights from Portland to Bulgaria

Our best British Airways deals on Portland to Bulgaria flight tickets
British Airways
May 20
PDX7:30 pmPortland
31h 55m
1 stop
SOF1:25 pmSofia
Jun 10
SOF9:25 pmSofia
30h 15m
1 stop
PDX5:40 pmPortland
$855
British Airways
May 20
PDX7:30 pmPortland
31h 55m
1 stop
SOF1:25 pmSofia
Jun 10
SOF9:25 pmSofia
35h 26m
2 stops
PDX10:51 pmPortland
$898
British Airways
May 27
PDX7:30 pmPortland
31h 55m
1 stop
SOF1:25 pmSofia
Jun 3
SOF9:25 pmSofia
36h 31m
2 stops
PDX11:56 pmPortland
$989

KLM flights from Portland to Bulgaria

Our best KLM deals on Portland to Bulgaria flight tickets
KLM
Jul 27
PDX11:17 amPortland
16h 43m
2 stops
SOF2:00 pmSofia
Aug 19
SOF7:00 amSofia
18h 06m
2 stops
PDX3:06 pmPortland
$865
KLM
May 17
PDX9:20 amPortland
18h 40m
2 stops
SOF2:00 pmSofia
May 26
SOF7:00 amSofia
14h 10m
1 stop
PDX11:10 amPortland
$971
KLM
Jul 29
PDX7:00 amPortland
21h 00m
2 stops
SOF2:00 pmSofia
Aug 19
SOF7:00 amSofia
14h 10m
1 stop
PDX11:10 amPortland
$986

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Bulgaria that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated אפריל 17, 2026.
Use the filters below to find and compare flights from Portland to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandSofia

PDX - SOF

PDXSOF

Portland

ג' 7/28

5:15 am-11:15 pm

3 stops32h 00m

Sofia

ה' 8/20

6:30 am-8:50 pm

2 stops24h 20m

$802

PortlandSofia

PDX - SOF

PDXSOF

Portland

ו' 7/31

8:35 am-11:15 pm

3 stops28h 40m

Sofia

ה' 8/20

6:30 am-8:50 pm

2 stops24h 20m

$827

PortlandSofia

PDX - SOF

PDXSOF

Portland

א' 7/26

5:15 am-11:15 pm

2 stops32h 00m

Sofia

ה' 8/20

6:30 am-8:50 pm

2 stops24h 20m

$838

PortlandSofia

PDX - SOF

PDXSOF

Portland

ש' 7/25

11:40 pm-11:00 am

2 stops25h 20m

Sofia

ה' 8/20

6:30 am-8:50 pm

2 stops24h 20m

$846

PortlandSofia

PDX - SOF

PDXSOF

Portland

ד' 5/20

7:30 pm-1:25 pm

1 stop31h 55m

Sofia

ד' 6/10

9:25 pm-5:40 pm

1 stop30h 15m

$855

PortlandSofia

PDX - SOF

PDXSOF

Portland

ג' 7/28

11:05 am-11:15 pm

2 stops26h 10m

Sofia

ו' 8/21

6:20 am-8:20 pm

2 stops24h 00m

$858
Quickest round-trip

PortlandSofia

PDX - SOF

PDXSOF

Portland

ג' 7/28

11:17 am-2:00 pm

2 stops16h 43m

Sofia

ד' 8/19

7:00 am-3:06 pm

2 stops18h 06m

$860

PortlandSofia

PDX - SOF

PDXSOF

Portland

ב' 7/27

11:17 am-2:00 pm

2 stops16h 43m

Sofia

ד' 8/19

7:00 am-3:06 pm

2 stops18h 06m

$865

PortlandSofia

PDX - SOF

PDXSOF

Portland

ב' 7/27

5:15 am-10:40 pm

3 stops31h 25m

Sofia

ה' 8/20

6:30 am-12:47 am

2 stops28h 17m

$871

PortlandSofia

PDX - SOF

PDXSOF

Portland

ד' 7/29

11:05 am-11:15 pm

2 stops26h 10m

Sofia

ד' 8/19

12:55 pm-5:43 pm

2 stops38h 48m

$876

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

See travel insights to Bulgaria from

How to get the cheapest flight ticket from Portland to Bulgaria

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 Bulgaria?

If you aren’t able to travel to Bulgaria during the month of April, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $684.

Cheap Portland to Bulgaria flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Bulgaria

Fastest flight time

15h 00m

Direct flights

None
The fastest flight from Portland to Bulgaria takes 15h 00m
There are no direct flights from Portland to Bulgaria. There are no popular flight routes from Portland to Bulgaria.
Search flight deals

Frequently asked questions about flying from Portland to Bulgaria

  • When did momondo last update prices for flights from Portland Airport to Bulgaria?

    Prices for flights from Portland Airport to Bulgaria are updated daily.

  • How many operators does momondo search for flights from Portland Airport to Bulgaria?

  • How old do you have to be to fly from Portland Airport to Bulgaria?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Bulgaria.

  • What documentation or ID do you need to fly to Bulgaria?

    The travel and health documents you'll need for your trip to Bulgaria may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bulgaria. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Portland to Bulgaria

Compare and see reviews for airlines that fly from Portland to Bulgaria with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $555Free CancellationRating
7.8
1,499 reviews
Search KLM flights
LufthansaPriceFrom $635Free CancellationRating
6.8
7,926 reviews
Search Lufthansa flights
United AirlinesPriceFrom $639Free CancellationRating
7.4
9,603 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Bulgaria?

Finding the right flight to Bulgaria from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Bulgaria quick and easy, saving you time and money.

Can I find flights from Portland to Bulgaria with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Portland to Bulgaria flights to just show those with flexible booking policies.

How can momondo help me find flights from Portland to Bulgaria?

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 Bulgaria.

I’m not ready to book a flight from Portland to Bulgaria right now. Can momondo alert me if prices change?

Price alerts on flights to Bulgaria 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.

An easier way to manage your Bulgaria trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
א' 5/17
א' 5/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Bulgaria

Popular cities in Bulgaria

Popular flights according to clicks in the last 7 days on momondo
Flights to Sofiafrom $536
Flights to Varnafrom $622
Flights to Burgasfrom $820
Flights to Plovdivfrom $948