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$870+ Cheap flights from Portland (PDX) to Serbia

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BEG
Apr 30 — May 71
Thu 4/30
Thu 5/7
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 March 31, 2026.

This Condor deal was found by Cheapflights users on 3/30. 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.
Tue 7/287:20 am
PDX
-
BEG
2 stops30h 00m
Multiple Airlines
Sat 8/296:55 am
BEG
-
PDX
2 stops20h 38m
Multiple Airlines
Deal found 3/30$870
This Condor deal was found by Cheapflights users on 3/26. 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.
Wed 9/27:00 am
PDX
-
BEG
2 stops30h 20m
Multiple Airlines
Thu 9/246:55 am
BEG
-
PDX
2 stops21h 47m
Multiple Airlines
Deal found 3/26$900
This KLM deal was found by Cheapflights users on 3/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/261:05 pm
PDX
-
BEG
1 stop24h 50m
KLM
Tue 5/56:15 am
BEG
-
PDX
1 stop13h 55m
KLM
Deal found 3/28$914
This Gotogate deal was found by Cheapflights users on 3/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/268:40 am
PDX
-
BEG
2 stops18h 40m
Multiple Airlines
Tue 5/59:15 am
BEG
-
PDX
2 stops18h 50m
Multiple Airlines
Deal found 3/28$915
This Justfly.com deal was found by Cheapflights users on 3/29. 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.
Sun 4/268:40 am
PDX
-
BEG
2 stops18h 40m
Lufthansa
Tue 5/51:10 pm
BEG
-
PDX
2 stops18h 25m
Lufthansa
Deal found 3/29$918
This Air Canada deal was found by Cheapflights users on 3/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/269:50 am
PDX
-
BEG
2 stops21h 20m
Air Canada
Tue 5/56:15 am
BEG
-
PDX
3 stops21h 50m
Air Canada
Deal found 3/28$946
This Trip.com deal was found by Cheapflights users on 3/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/283:30 pm
PDX
-
BEG
2 stops23h 15m
Multiple Airlines
Sun 5/315:20 pm
BEG
-
PDX
2 stops51h 25m
Multiple Airlines
Deal found 3/27$963

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 March 31, 2026.

Round-trip from

$765
(Expedia)

Popular in

June

Cheapest in

November

Average price

$1,251
From Portland to Serbia
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($250 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 31, 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

Sun 4/26

1:05 pm-10:55 pm

1 stop24h 50m

Belgrade Nikola Tesla

Tue 5/5

6:15 am-11:10 am

1 stop13h 55m

$914

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Thu 8/20

8:35 am-3:10 pm

2 stops21h 35m

Belgrade Nikola Tesla

Wed 9/23

9:15 am-11:09 pm

2 stops22h 54m

$987

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Fri 4/24

10:50 am-11:35 pm

2 stops27h 45m

Belgrade Nikola Tesla

Tue 4/28

6:20 am-5:44 pm

2 stops20h 24m

$1,003

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Sat 4/25

1:05 pm-10:55 pm

1 stop24h 50m

Belgrade Nikola Tesla

Sat 5/2

12:35 pm-11:10 am

1 stop31h 35m

$1,017

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Mon 4/13

1:39 pm-7:35 pm

2 stops20h 56m

Belgrade Nikola Tesla

Tue 4/28

4:00 pm-12:33 am

2 stops41h 33m

$1,113
Quickest round-trip

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 4/15

9:05 am-11:55 am

2 stops17h 50m

Belgrade Nikola Tesla

Thu 4/30

6:15 am-11:10 am

1 stop13h 55m

$1,121

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Tue 4/14

10:42 am-10:55 pm

2 stops27h 13m

Belgrade Nikola Tesla

Tue 4/28

12:35 pm-11:10 am

1 stop31h 35m

$1,121

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Mon 4/13

7:00 am-11:55 am

2 stops19h 55m

Belgrade Nikola Tesla

Fri 5/1

6:15 am-11:10 am

1 stop13h 55m

$1,121

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 4/15

1:05 pm-10:55 pm

1 stop24h 50m

Belgrade Nikola Tesla

Sat 5/2

6:15 am-11:10 am

1 stop13h 55m

$1,167

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 9/2

12:50 pm-11:35 pm

3 stops25h 45m

Belgrade Nikola Tesla

Thu 9/24

6:10 am-2:51 pm

2 stops17h 41m

$1,199

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

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 March is currently the most expensive (average of $1,251). 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 March 31, 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
8,365 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Boarding

8.1

Overall

7.9

Food

7.2

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
8,365 reviews
Delta
7.9
Good
8,365 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Boarding

8.1

Overall

7.9

Food

7.2

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
7.8
Good
1,480 reviews
Delta
7.9
Good
8,365 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Boarding

8.1

Overall

7.9

Food

7.2

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.

  • How long is the flight from Portland to Serbia?

    There are many flights that can get you from Portland to Serbia in 24h 50m. Fly via KLM or Delta to get the fastest option. The distance between Portland and Serbia is about 5788 mi.

  • 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 March is currently the most expensive (average of $1,251). 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 March 31, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$627Average$988FlexibilityNo cancel feeOn-time75%
DeltaCheapest$657Average$757FlexibilityNo cancel feeOn-timeN/A

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