Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Portland to Bulgaria from $801

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 Bulgaria departing on 8/12. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
10:50 am - 11:15 pm
PDX
-
SOF
26h 25m
2 stops
Lufthansa Logo
6:10 am - 5:49 pm
SOF
-
PDX
21h 39m
2 stops
$801Lufthansa
Wed, Aug 12 - Thu, Aug 20
United Airlines Logo
4:07 pm - 6:40 pm
PDX
-
SOF
16h 33m
2 stops
United Airlines Logo
6:30 am - 2:51 pm
SOF
-
PDX
18h 21m
2 stops
$832United Airlines
Wed, Sep 9 - Thu, Sep 17
Lufthansa Logo
2:27 pm - 12:10 pm
PDX
-
SOF
35h 43m
2 stops
Lufthansa Logo
6:10 am - 9:10 pm
SOF
-
PDX
25h 00m
2 stops
$837Lufthansa
Sat, Sep 12 - Fri, Oct 9
Lufthansa Logo
2:27 pm - 12:10 pm
PDX
-
SOF
35h 43m
2 stops
Lufthansa Logo
12:55 pm - 10:23 pm
SOF
-
PDX
19h 28m
2 stops
$838Lufthansa
Sat, Sep 12 - Fri, Oct 9
United Airlines Logo
12:45 pm - 6:40 pm
PDX
-
SOF
19h 55m
2 stops
United Airlines Logo
6:30 am - 10:53 pm
SOF
-
PDX
26h 23m
3 stops
$843United Airlines
Wed, Sep 9 - Thu, Sep 17
KLM Logo
1:05 pm - 2:00 pm
PDX
-
SOF
14h 55m
1 stop
KLM Logo
7:00 am - 11:10 am
SOF
-
PDX
14h 10m
1 stop
$879KLM
Sat, Sep 12 - Fri, Oct 9
KLM Logo
1:05 pm - 2:00 pm
PDX
-
SOF
14h 55m
1 stop
KLM Logo
7:00 am - 11:10 am
SOF
-
PDX
14h 10m
1 stop
$880KLM
Sat, Sep 12 - Fri, Oct 9
United Airlines Logo
9:00 am - 11:15 pm
PDX
-
SOF
28h 15m
2 stops
United Airlines Logo
12:55 pm - 9:10 pm
SOF
-
PDX
42h 15m
2 stops
$884United Airlines
Tue, Sep 22 - Mon, Oct 12
Lufthansa Logo
2:27 pm - 12:10 pm
PDX
-
SOF
35h 43m
2 stops
Lufthansa Logo
6:10 am - 12:34 am
SOF
-
PDX
28h 24m
2 stops
$888Lufthansa
Thu, Sep 10 - Fri, Sep 18
KLM Logo
1:05 pm - 2:00 pm
PDX
-
SOF
14h 55m
1 stop
KLM Logo
7:00 am - 4:34 pm
SOF
-
PDX
19h 34m
2 stops
$889KLM
Sat, Sep 12 - Fri, Oct 9

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

Lufthansa flights from Portland to Bulgaria

Our best Lufthansa deals on Portland to Bulgaria flight tickets
Lufthansa
Aug 12
PDX10:50 amPortland
26h 25m
2 stops
SOF11:15 pmSofia
Aug 20
SOF6:10 amSofia
21h 39m
2 stops
PDX5:49 pmPortland
$801
Lufthansa
Sep 12
PDX2:27 pmPortland
35h 43m
2 stops
SOF12:10 pmSofia
Oct 9
SOF6:10 amSofia
25h 00m
2 stops
PDX9:10 pmPortland
$837
Lufthansa
Sep 12
PDX2:27 pmPortland
35h 43m
2 stops
SOF12:10 pmSofia
Oct 9
SOF12:55 pmSofia
19h 28m
2 stops
PDX10:23 pmPortland
$838

United Airlines flights from Portland to Bulgaria

Our best United Airlines deals on Portland to Bulgaria flight tickets
United Airlines
Sep 9
PDX4:07 pmPortland
16h 33m
2 stops
SOF6:40 pmSofia
Sep 17
SOF6:30 amSofia
18h 21m
2 stops
PDX2:51 pmPortland
$832
United Airlines
Sep 9
PDX12:45 pmPortland
19h 55m
2 stops
SOF6:40 pmSofia
Sep 17
SOF6:30 amSofia
26h 23m
3 stops
PDX10:53 pmPortland
$843
United Airlines
Sep 22
PDX9:00 amPortland
28h 15m
2 stops
SOF11:15 pmSofia
Oct 12
SOF12:55 pmSofia
42h 15m
2 stops
PDX9:10 pmPortland
$884

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 June 16, 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

Wed 8/12

10:50 am-11:15 pm

2 stops26h 25m

Sofia

Thu 8/20

6:10 am-5:49 pm

2 stops21h 39m

$801

PortlandSofia

PDX - SOF

PDXSOF

Portland

Wed 9/9

4:07 pm-6:40 pm

2 stops16h 33m

Sofia

Thu 9/17

6:30 am-2:51 pm

2 stops18h 21m

$832

PortlandSofia

PDX - SOF

PDXSOF

Portland

Sat 9/12

2:27 pm-12:10 pm

2 stops35h 43m

Sofia

Fri 10/9

6:10 am-9:10 pm

2 stops25h 00m

$837

PortlandSofia

PDX - SOF

PDXSOF

Portland

Sat 9/12

2:27 pm-12:10 pm

2 stops35h 43m

Sofia

Fri 10/9

12:55 pm-10:23 pm

2 stops19h 28m

$838

PortlandSofia

PDX - SOF

PDXSOF

Portland

Wed 9/9

12:45 pm-6:40 pm

2 stops19h 55m

Sofia

Thu 9/17

6:30 am-10:53 pm

3 stops26h 23m

$843
Quickest round-trip

PortlandSofia

PDX - SOF

PDXSOF

Portland

Sat 9/12

1:05 pm-2:00 pm

1 stop14h 55m

Sofia

Fri 10/9

7:00 am-11:10 am

1 stop14h 10m

$879

PortlandSofia

PDX - SOF

PDXSOF

Portland

Sat 9/12

1:05 pm-2:00 pm

1 stop14h 55m

Sofia

Fri 10/9

7:00 am-11:10 am

1 stop14h 10m

$880

PortlandSofia

PDX - SOF

PDXSOF

Portland

Tue 9/22

9:00 am-11:15 pm

2 stops28h 15m

Sofia

Mon 10/12

12:55 pm-9:10 pm

2 stops42h 15m

$884

PortlandSofia

PDX - SOF

PDXSOF

Portland

Thu 9/10

2:27 pm-12:10 pm

2 stops35h 43m

Sofia

Fri 9/18

6:10 am-12:34 am

2 stops28h 24m

$888

PortlandSofia

PDX - SOF

PDXSOF

Portland

Sat 9/12

1:05 pm-2:00 pm

1 stop14h 55m

Sofia

Fri 10/9

7:00 am-4:34 pm

2 stops19h 34m

$889

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 March, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $555.

Can stopping save me money on Portland to Bulgaria flights?

You could potentially save up to 46% on your flight if you consider stops on a Portland to Bulgaria flight.

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

28h 10m

Direct flights

None
The fastest flight from Portland to Bulgaria takes 28h 10m
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
1,530 reviews
Search KLM flights
LufthansaPriceFrom $635Free CancellationRating
6.8
8,066 reviews
Search Lufthansa flights
United AirlinesPriceFrom $639Free CancellationRating
7.4
9,844 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
Thu 7/16
Thu 7/23
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 $524
Flights to Varnafrom $701
Flights to Burgasfrom $776
Flights to Plovdivfrom $946