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$376+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BEG
Dec 29 — Jan 51
Mon 12/29
Mon 1/5
1 adult, Economy
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Find 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 November 29, 2025.

This Delta deal was found by Cheapflights users on 11/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:25 pmPDX - BEG
1 stop13h 30mDelta
Thu 1/1512:35 pmBEG - PDX
1 stop31h 50mDelta
Deal found 11/29$517
This Delta deal was found by Cheapflights users on 11/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:25 pmPDX - BEG
1 stop13h 30mDelta
Wed 1/1412:35 pmBEG - PDX
2 stops39h 33mDelta
Deal found 11/29$527
This Delta deal was found by Cheapflights users on 11/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:25 pmPDX - BEG
2 stops45h 00mDelta
Thu 1/1512:35 pmBEG - PDX
1 stop31h 50mDelta
Deal found 11/29$533
This Delta deal was found by Cheapflights users on 11/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:25 pmPDX - BEG
2 stops45h 00mDelta
Wed 1/1412:35 pmBEG - PDX
2 stops39h 15mDelta
Deal found 11/29$537
This Delta deal was found by Cheapflights users on 11/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/291:25 pmPDX - BEG
1 stop25h 00mDelta
Wed 1/1412:35 pmBEG - PDX
2 stops43h 19mDelta
Deal found 11/29$642
This Delta deal was found by Cheapflights users on 11/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:30 amPDX - BEG
2 stops45h 25mDelta
Tue 1/1312:35 pmBEG - PDX
2 stops43h 19mDelta
Deal found 11/29$647
This Delta deal was found by Cheapflights users on 11/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:25 pmPDX - BEG
2 stops45h 00mDelta
Mon 1/1212:35 pmBEG - PDX
2 stops40h 50mDelta
Deal found 11/29$652
This Delta deal was found by Cheapflights users on 11/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/291:25 pmPDX - BEG
1 stop13h 30mDelta
Mon 1/1212:35 pmBEG - PDX
2 stops44h 42mDelta
Deal found 11/29$757
This FlightHub deal was found by Cheapflights users on 11/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/263:54 pmPDX - BEG
2 stops46h 56mLufthansa
Tue 1/131:30 pmBEG - PDX
2 stops20h 09mLufthansa
Deal found 11/27$801

Cheap flight deals from Portland to Serbia

Keep the following information in mind while searching for Portland to Serbia flight deals. Data was last updated November 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$517
(Delta)

One-way from

$376
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$668
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. 24% potential increase in price ($302 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 November 29, 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

Mon 1/12

7:00 am-11:55 am

2 stops43h 55m

Belgrade Nikola Tesla

Fri 1/23

6:05 am-11:25 am

1 stop14h 20m

$522

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Mon 1/12

5:50 am-11:25 pm

2 stops32h 35m

Belgrade Nikola Tesla

Wed 1/21

6:05 am-11:25 am

1 stop14h 20m

$522

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Fri 1/9

1:25 pm-11:25 pm

1 stop25h 00m

Belgrade Nikola Tesla

Wed 1/21

6:05 am-11:25 am

1 stop14h 20m

$532

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Sun 1/11

5:15 pm-11:25 pm

2 stops45h 10m

Belgrade Nikola Tesla

Wed 1/21

6:05 am-11:25 am

1 stop14h 20m

$532

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Fri 1/9

1:25 pm-11:25 pm

1 stop25h 00m

Belgrade Nikola Tesla

Thu 1/22

6:05 am-5:35 pm

2 stops20h 30m

$542

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Fri 1/9

1:25 pm-11:55 am

1 stop13h 30m

Belgrade Nikola Tesla

Sun 1/25

6:05 am-11:25 am

1 stop14h 20m

$547

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Thu 1/8

5:50 am-11:25 pm

2 stops32h 35m

Belgrade Nikola Tesla

Wed 1/21

12:35 pm-4:08 pm

2 stops36h 33m

$547

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Thu 1/1

5:30 am-11:25 pm

2 stops32h 55m

Belgrade Nikola Tesla

Thu 1/15

12:35 pm-10:54 pm

2 stops43h 19m

$647

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Sat 1/10

7:00 am-11:55 am

2 stops19h 55m

Belgrade Nikola Tesla

Sat 1/24

12:35 pm-11:25 am

1 stop31h 50m

$1,052

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Fri 12/26

1:25 pm-11:25 pm

1 stop25h 00m

Belgrade Nikola Tesla

Mon 1/12

12:35 pm-8:25 pm

2 stops40h 50m

$1,082

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/27

Showing 1-10 of 22 results
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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 November 29, 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 November 29, 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
8,011 reviews

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Boarding

8.1

Comfort

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
8,011 reviews
Delta
7.9
Good
8,011 reviews

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Boarding

8.1

Comfort

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
1,423 reviews
Delta
7.9
Good
8,011 reviews

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Boarding

8.1

Comfort

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 25h. Fly via Delta 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 November 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$657Average$786FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$707Average$1,082FlexibilityNo cancel feeOn-time75%

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