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$448+ 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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BEG
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Portland to Serbia

Best flights from Portland to Serbia
Discover carefully curated flight deals from Portland to Serbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

This FlightHub deal was found by Cheapflights users on 12/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/57:45 amPDX - BEG
2 stops24h 20mLufthansa
Thu 2/191:30 pmBEG - PDX
2 stops20h 04mLufthansa
Deal found 12/21$547
This KLM deal was found by Cheapflights users on 12/21. 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.
Wed 2/41:25 pmPDX - BEG
1 stop25h 00mKLM
Fri 2/206:05 amBEG - PDX
1 stop14h 20mKLM
Deal found 12/21$549
This Delta deal was found by Cheapflights users on 12/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/57:00 amPDX - BEG
2 stops19h 55mDelta
Wed 2/186:05 amBEG - PDX
1 stop14h 20mDelta
Deal found 12/21$554
This Orbitz deal was found by Cheapflights users on 12/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/57:05 pmPDX - BEG
2 stops32h 40mMultiple Airlines
Fri 2/209:40 amBEG - PDX
2 stops22h 00mMultiple Airlines
Deal found 12/21$557
This KLM deal was found by Cheapflights users on 12/21. 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.
Fri 2/61:25 pmPDX - BEG
1 stop13h 30mKLM
Sat 2/2112:35 pmBEG - PDX
1 stop31h 50mKLM
Deal found 12/21$549
This KLM deal was found by Cheapflights users on 12/21. 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.
Fri 2/61:25 pmPDX - BEG
1 stop13h 30mKLM
Thu 2/1912:35 pmBEG - PDX
1 stop31h 50mKLM
Deal found 12/21$549
This KLM deal was found by Cheapflights users on 12/21. 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.
Wed 2/47:00 amPDX - BEG
2 stops19h 55mKLM
Sat 2/2112:35 pmBEG - PDX
1 stop31h 50mKLM
Deal found 12/21$554
This KLM deal was found by Cheapflights users on 12/21. 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.
Wed 2/47:00 amPDX - BEG
2 stops19h 55mKLM
Thu 2/1912:35 pmBEG - PDX
1 stop31h 50mKLM
Deal found 12/21$554
This KLM deal was found by Cheapflights users on 12/21. 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.
Thu 2/57:00 amPDX - BEG
2 stops19h 55mKLM
Sat 2/2112:35 pmBEG - PDX
1 stop31h 50mKLM
Deal found 12/21$554
This KLM deal was found by Cheapflights users on 12/21. 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.
Fri 2/67:00 amPDX - BEG
2 stops19h 55mKLM
Fri 2/206:05 amBEG - PDX
1 stop14h 20mKLM
Deal found 12/21$554
This KLM deal was found by Cheapflights users on 12/21. 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.
Thu 2/57:00 amPDX - BEG
2 stops19h 55mKLM
Thu 2/1912:35 pmBEG - PDX
1 stop31h 50mKLM
Deal found 12/21$554

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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$547
(FlightHub)

One-way from

$448
(KLM)

Popular in

June

Cheapest in

November

Average price

$939
Provider with most accurate pricing for Portland-Belgrade Nikola Tesla flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Belgrade Nikola Tesla flights.
Search Deals
From Portland to Serbia
Search Deals
One-way flight from Portland to Serbia
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($275 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 23, 2025.
Use the filters below to find and compare flights from Portland to Serbia that are best for you.

Fly from

Portland

Fly to

Serbia

Route

Depart

Return

Price

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Thu 2/5

7:45 am-5:05 pm

2 stops24h 20m

Belgrade Nikola Tesla

Thu 2/19

1:30 pm-12:34 am

2 stops20h 04m

$547

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 2/4

1:25 pm-11:25 pm

1 stop25h 00m

Belgrade Nikola Tesla

Fri 2/20

6:05 am-11:25 am

1 stop14h 20m

$549

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Fri 2/6

1:25 pm-11:55 am

1 stop13h 30m

Belgrade Nikola Tesla

Sat 2/21

12:35 pm-11:25 am

1 stop31h 50m

$549

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Fri 2/6

1:25 pm-11:55 am

1 stop13h 30m

Belgrade Nikola Tesla

Thu 2/19

12:35 pm-11:25 am

1 stop31h 50m

$549

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Thu 2/5

7:00 am-11:55 am

2 stops19h 55m

Belgrade Nikola Tesla

Wed 2/18

6:05 am-11:25 am

1 stop14h 20m

$554

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 2/4

7:00 am-11:55 am

2 stops19h 55m

Belgrade Nikola Tesla

Sat 2/21

12:35 pm-11:25 am

1 stop31h 50m

$554

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 2/4

7:00 am-11:55 am

2 stops19h 55m

Belgrade Nikola Tesla

Thu 2/19

12:35 pm-11:25 am

1 stop31h 50m

$554

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Thu 2/5

7:00 am-11:55 am

2 stops19h 55m

Belgrade Nikola Tesla

Sat 2/21

12:35 pm-11:25 am

1 stop31h 50m

$554

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Fri 2/6

7:00 am-11:55 am

2 stops19h 55m

Belgrade Nikola Tesla

Fri 2/20

6:05 am-11:25 am

1 stop14h 20m

$554

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Thu 2/5

7:00 am-11:55 am

2 stops19h 55m

Belgrade Nikola Tesla

Thu 2/19

12:35 pm-11:25 am

1 stop31h 50m

$554

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 15 results
1
2

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 time of day to fly from PDX to RS?

Find hourly flight availability from Portland to Serbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

It’s typically best to fly out from Portland to Serbia in the evening. Doing so could potentially save you 19% on the flight price compared to flying in the morning, which is usually more expensive.

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 December 23, 2025.
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
8,015 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

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
8,015 reviews
Delta
7.9
Good
8,015 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

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
1,434 reviews
Delta
7.9
Good
8,015 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

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 20m. Fly via Lufthansa or KLM to get the fastest option. The distance between Portland and Serbia is about 5788 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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.

See more FAQs

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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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$657Average$786FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$706Average$1,035FlexibilityNo cancel feeOn-time75%

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