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$651+ Cheap flights from Portland (PDX) to Serbia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BEG
May 10 — May 171
Sun 5/10
Sun 5/17
1 adult, Economy
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Cheap flight deals from Portland to Serbia

Cheapest flights from Portland to Serbia
Explore the most affordable flight options available from Portland to Serbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.

This Fareboom deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:35 pm
PDX
-
BEG
1 stop21h 45m
Multiple Airlines
Thu 9/176:55 am
BEG
-
PDX
1 stop15h 40m
Multiple Airlines
Deal found 4/7$835
This Expedia deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1511:03 pm
PDX
-
BEG
2 stops38h 32m
Multiple Airlines
Tue 5/266:30 am
BEG
-
PDX
2 stops21h 56m
Multiple Airlines
Deal found 4/7$878
This Condor deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:30 pm
PDX
-
BEG
1 stop21h 50m
Multiple Airlines
Tue 9/86:55 am
BEG
-
PDX
2 stops22h 55m
Multiple Airlines
Deal found 4/6$890
This Expedia deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/61:38 pm
PDX
-
BEG
2 stops37h 12m
Multiple Airlines
Sat 9/196:00 am
BEG
-
PDX
2 stops24h 35m
Multiple Airlines
Deal found 4/9$982
This Expedia deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/281:52 pm
PDX
-
BEG
2 stops23h 28m
Multiple Airlines
Tue 6/26:55 am
BEG
-
PDX
2 stops24h 20m
Multiple Airlines
Deal found 4/7$1,000
This Cheapflightsfares deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/133:35 pm
PDX
-
BEG
1 stop21h 45m
Multiple Airlines
Sat 8/226:55 am
BEG
-
PDX
1 stop15h 10m
Multiple Airlines
Deal found 4/7$1,038
This Expedia deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1611:03 pm
PDX
-
BEG
2 stops27h 47m
Multiple Airlines
Tue 5/266:30 am
BEG
-
PDX
2 stops19h 41m
Multiple Airlines
Deal found 4/8$1,043
This Condor deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/12:30 pm
PDX
-
BEG
2 stops22h 50m
Multiple Airlines
Tue 9/16:55 am
BEG
-
PDX
2 stops20h 45m
Multiple Airlines
Deal found 4/7$1,070
This Justfly.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/13:30 pm
PDX
-
BEG
1 stop21h 50m
Multiple Airlines
Mon 8/316:55 am
BEG
-
PDX
1 stop15h 15m
Multiple Airlines
Deal found 4/7$1,104

Find flight deals from Portland to Serbia

Keep the following information in mind while searching for Portland to Serbia flight deals. Data was last updated April 10, 2026.

Round-trip from

$835
(Fareboom)

One-way from

$651
(oojo)

Popular in

June

Cheapest in

November

Average price

$828
From Portland to Serbia
Search Deals
One-way flight from Portland to Serbia
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($243 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Serbia 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, Cheapflights users made 2,558,603 searches. Data last updated April 10, 2026.
Use the filters below to find and compare flights from Portland to Serbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Fri 5/15

11:03 pm-10:35 pm

2 stops38h 32m

Belgrade Nikola Tesla

Tue 5/26

6:30 am-7:26 pm

2 stops21h 56m

$878

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Mon 8/24

3:30 pm-10:20 pm

1 stop21h 50m

Belgrade Nikola Tesla

Tue 9/8

6:55 am-8:50 pm

2 stops22h 55m

$890

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Sun 9/6

1:38 pm-11:50 am

2 stops37h 12m

Belgrade Nikola Tesla

Sat 9/19

6:00 am-9:35 pm

2 stops24h 35m

$982

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Mon 6/1

2:30 pm-10:20 pm

2 stops22h 50m

Belgrade Nikola Tesla

Tue 9/1

6:55 am-6:40 pm

2 stops20h 45m

$1,070

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Sat 4/25

10:51 am-7:35 pm

2 stops23h 44m

Belgrade Nikola Tesla

Sat 5/2

9:15 am-10:13 pm

2 stops21h 58m

$1,111

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Thu 8/13

3:35 pm-11:50 am

1 stop35h 15m

Belgrade Nikola Tesla

Sat 8/22

6:55 am-1:05 pm

1 stop15h 10m

$1,172

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Mon 8/24

1:05 pm-10:55 pm

1 stop24h 50m

Belgrade Nikola Tesla

Tue 9/8

12:35 pm-11:10 am

1 stop31h 35m

$1,200

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Sat 4/25

1:05 pm-10:55 pm

1 stop24h 50m

Belgrade Nikola Tesla

Sat 5/2

6:15 am-11:10 am

1 stop13h 55m

$1,217
Quickest round-trip

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Sat 4/25

5:30 am-11:55 am

2 stops21h 25m

Belgrade Nikola Tesla

Sat 5/2

6:15 am-11:10 am

1 stop13h 55m

$1,221
Cheapest one-way
Quickest one-way

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Sun 9/6

8:35 am-12:55 pm

3 stops43h 20m

$732

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

Sorted by cheapest first

Best time to book a flight from Portland to Serbia

Have a flexible travel schedule? Discover the best time to fly to Serbia from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Serbia

What is the cheapest month to book a flight from Portland to Serbia?

Currently, February is the cheapest month in which you can book a flight from Portland to Serbia (average of $552). Flying from Portland to Serbia in June is currently the most expensive (average of $1,399). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Serbia

Get insights into the airlines that provide service to Serbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Serbia. Reviews last updated April 10, 2026.
See what other customers who have flown with Delta and KLM from Portland to Serbia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,394 reviews

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Food

7.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,394 reviews
Delta
7.9
Good
8,394 reviews

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Food

7.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
KLM
7.7
Good
1,493 reviews
Delta
7.9
Good
8,394 reviews

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Food

7.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Portland to Serbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Serbia?

    Portland (PDX), located 6.0 mi from the city center, is the airport you fly out of when you book flights from Portland to Serbia.

  • Can I find deals for flights from Portland to Serbia that include hotel bookings?

    Yes. In addition to deals on Portland to Serbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Serbia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Serbia.

  • Can I find deals for business class flights from Portland to Serbia?

    Yes. Cheapflights offers flight deals from Portland to Serbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Serbia?

    Currently, February is the cheapest month in which you can book a flight from Portland to Serbia (average of $552). Flying from Portland to Serbia in June is currently the most expensive (average of $1,399). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Portland to Serbia

Discover the top 2 airlines that operate flights from Portland to Serbia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$627Average$988FlexibilityNo cancel feeOn-time75%
DeltaCheapest$657Average$860FlexibilityNo cancel feeOn-timeN/A

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