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Cheap flights from Portland to Bulgaria from $347

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 1/12. 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
0 bags

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Find the cheapest flights from Portland to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:24 pm - 6:20 pmPDX-SOF
18h 56m3 stops
United Airlines Logo
6:10 am - 10:32 pmSOF-PDX
26h 22m2 stops
$543United Airlines
Find Deal
mié., ene. 21 - dom., ene. 25
KLM Logo
1:25 pm - 2:05 pmPDX-SOF
14h 40m1 stop
KLM Logo
7:00 am - 11:25 amSOF-PDX
14h 25m1 stop
$590KLM
Find Deal
mié., ene. 21 - dom., ene. 25
KLM Logo
6:50 am - 2:05 pmPDX-SOF
21h 15m2 stops
KLM Logo
7:00 am - 11:25 amSOF-PDX
14h 25m1 stop
$594KLM
Find Deal
mié., ene. 21 - dom., ene. 25
KLM Logo
7:00 am - 2:05 pmPDX-SOF
21h 05m2 stops
KLM Logo
7:00 am - 11:25 amSOF-PDX
14h 25m1 stop
$595KLM
Find Deal
mié., ene. 21 - dom., ene. 25
Multiple Airlines Logo
1:38 pm - 10:45 pmPDX-SOF
23h 07m2 stops
Multiple Airlines Logo
6:00 am - 9:10 pmSOF-PDX
25h 10m2 stops
$1,070Multiple Airlines
Find Deal
lun., feb. 9 - jue., feb. 12
Multiple Airlines Logo
9:50 am - 6:25 pmPDX-SOF
22h 35m3 stops
Multiple Airlines Logo
6:00 am - 10:00 pmSOF-PDX
26h 00m3 stops
$1,162Multiple Airlines
Find Deal
lun., feb. 9 - jue., feb. 12
Multiple Airlines Logo
3:15 pm - 6:20 pmPDX-SOF
41h 05m2 stops
Multiple Airlines Logo
6:00 am - 10:00 pmSOF-PDX
26h 00m3 stops
$1,173Multiple Airlines
Find Deal
lun., feb. 9 - jue., feb. 12
Multiple Airlines Logo
2:45 pm - 5:45 pmPDX-SOF
17h 00m2 stops
Multiple Airlines Logo
7:00 am - 5:00 pmSOF-PDX
20h 00m2 stops
$2,535Multiple Airlines
Find Deal
jue., dic. 4 - mié., dic. 10
Multiple Airlines Logo
2:45 pm - 5:45 pmPDX-SOF
17h 00m2 stops
Multiple Airlines Logo
7:00 am - 5:00 pmSOF-PDX
20h 00m2 stops
$2,715Multiple Airlines
Find Deal
jue., dic. 4 - lun., dic. 8
Air Canada Logo
9:50 am - 6:20 pmPDX-SOF
22h 30m2 stops
Air Canada Logo
2:00 pm - 2:40 pmSOF-PDX
58h 40m2 stops
$7,861Air Canada
Find Deal
dom., dic. 7 - sáb., dic. 13

United Airlines flights from Portland to Bulgaria

Our best United Airlines deals on Portland to Bulgaria flight tickets
United Airlines
Jan 21
PDX1:24 pmPortland
18h 56m
3 stops
SOF6:20 pmSofia
Jan 25
SOF6:10 amSofia
26h 22m
2 stops
PDX10:32 pmPortland
$543
Find similar
United Airlines
Dec 4
PDX6:00 amPortland
30h 45m
3 stops
SOF10:45 pmSofia
Dec 11
SOF6:05 amSofia
22h 40m
2 stops
PDX6:45 pmPortland
$8,115
Find similar

Turkish Airlines flights from Portland to Bulgaria

Our best Turkish Airlines deals on Portland to Bulgaria flight tickets
Turkish Airlines
Dec 2
PDX12:55 pmPortland
40h 15m
2 stops
SOF3:10 pmSofia
Dec 8
SOF9:40 pmSofia
27h 07m
2 stops
PDX2:47 pmPortland
$7,122
Find similar
Turkish Airlines
Dec 3
PDX7:00 amPortland
27h 50m
2 stops
SOF8:50 pmSofia
Dec 11
SOF9:40 pmSofia
35h 12m
2 stops
PDX10:52 pmPortland
$7,298
Find similar
Turkish Airlines
Dec 2
PDX12:55 pmPortland
21h 55m
2 stops
SOF8:50 pmSofia
Dec 11
SOF9:40 pmSofia
35h 12m
2 stops
PDX10:52 pmPortland
$7,707
Find similar

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 noviembre 24, 2025.
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

PortlandSofia

PDX - SOF

PDXSOF

Portland

mié. 1/21

1:24 pm-6:20 pm

3 stops18h 56m

Sofia

dom. 1/25

6:10 am-10:32 pm

2 stops26h 22m

$543

PortlandSofia

PDX - SOF

PDXSOF

Portland

mié. 1/21

1:25 pm-2:05 pm

1 stop14h 40m

Sofia

dom. 1/25

7:00 am-11:25 am

1 stop14h 25m

$590

PortlandSofia

PDX - SOF

PDXSOF

Portland

mié. 1/21

6:50 am-2:05 pm

2 stops21h 15m

Sofia

dom. 1/25

7:00 am-11:25 am

1 stop14h 25m

$594

PortlandSofia

PDX - SOF

PDXSOF

Portland

mié. 1/21

7:00 am-2:05 pm

2 stops21h 05m

Sofia

dom. 1/25

7:00 am-11:25 am

1 stop14h 25m

$595

PortlandSofia

PDX - SOF

PDXSOF

Portland

lun. 2/9

1:38 pm-10:45 pm

2 stops23h 07m

Sofia

jue. 2/12

6:00 am-9:10 pm

2 stops25h 10m

$1,070

PortlandSofia

PDX - SOF

PDXSOF

Portland

lun. 2/9

9:50 am-6:25 pm

3 stops22h 35m

Sofia

jue. 2/12

6:00 am-10:00 pm

3 stops26h 00m

$1,162

PortlandSofia

PDX - SOF

PDXSOF

Portland

lun. 2/9

3:15 pm-6:20 pm

2 stops41h 05m

Sofia

jue. 2/12

6:00 am-10:00 pm

3 stops26h 00m

$1,173

PortlandSofia

PDX - SOF

PDXSOF

Portland

jue. 12/4

2:45 pm-5:45 pm

2 stops17h 00m

Sofia

mié. 12/10

7:00 am-5:00 pm

2 stops20h 00m

$2,535

PortlandSofia

PDX - SOF

PDXSOF

Portland

jue. 12/4

2:45 pm-5:45 pm

2 stops17h 00m

Sofia

lun. 12/8

7:00 am-5:00 pm

2 stops20h 00m

$2,715

PortlandSofia

PDX - SOF

PDXSOF

Portland

dom. 12/7

9:50 am-6:20 pm

2 stops22h 30m

Sofia

sáb. 12/13

2:00 pm-2:40 pm

2 stops58h 40m

$7,861

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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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 October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $787.

What is the cheapest day to depart on your flight to Bulgaria?

The cheapest day to depart from Portland to Bulgaria is on a Tuesday when prices can be found for as low as $956. On the other hand, Saturday is the most expensive day to depart from Portland because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,199.

What is the cheapest time of day to depart on your flight to Bulgaria?

At noon is the cheapest time of day to fly from Portland to Bulgaria when you can find flight prices for as low as $1,012. Flying to Bulgaria at noon is an ideal time because this is during off-peak travel hours. Flights to Bulgaria are more costly in the morning, with an average ticket price of $1,171. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap Portland to Bulgaria flight deals and tips

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

Direct flights

None
There are no direct flights from Portland to Bulgaria. There are no popular flight routes from Portland to Bulgaria.
Search flight deals

  • 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
LufthansaPriceFrom $638Free CancellationRating
6.8
7,584 reviews
Search Lufthansa flights
United AirlinesPriceFrom $639Free CancellationRating
7.4
9,042 reviews
Search United Airlines flights
Air CanadaPriceFrom $678Free CancellationRating
7.1
10,468 reviews
Search Air Canada flights
KLMPriceFrom $692Free CancellationRating
7.7
1,420 reviews
Search KLM 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.
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mié. 12/24
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