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$434+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BEG
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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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 January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$585
(United Airlines)

One-way from

$434
(Delta)

Popular in

June

Cheapest in

November

Average price

$720
Provider with most accurate pricing for Portland-Belgrade Nikola Tesla flight deals.
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Provider most trusted by Cheapflights users for Portland-Belgrade Nikola Tesla flights.
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From Portland to Serbia
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One-way flight from Portland to Serbia
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Highest demand for flights based on searches. 21% potential increase in price ($264 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 8, 2026.

This United Airlines deal was found by Cheapflights users on 1/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:30 amPDX - BEG
2 stops33h 20mUnited Airlines
Mon 3/96:15 amBEG - PDX
2 stops23h 37mUnited Airlines
Deal found 1/7$585
This FlightHub deal was found by Cheapflights users on 1/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:05 pmPDX - BEG
2 stops36h 25mMultiple Airlines
Sat 5/25:10 pmBEG - PDX
2 stops40h 38mMultiple Airlines
Deal found 1/7$588
This KLM deal was found by Cheapflights users on 1/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/251:05 pmPDX - BEG
1 stop13h 50mKLM
Sat 5/212:35 pmBEG - PDX
1 stop31h 35mKLM
Deal found 1/7$618
This FlightHub deal was found by Cheapflights users on 1/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:00 amPDX - BEG
2 stops24h 25mLufthansa
Sat 5/21:05 pmBEG - PDX
2 stops20h 43mLufthansa
Deal found 1/8$619
This Delta deal was found by Cheapflights users on 1/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:05 pmPDX - BEG
1 stop13h 55mDelta
Tue 8/46:00 amBEG - PDX
2 stops23h 49mDelta
Deal found 1/8$918
This Orbitz deal was found by Cheapflights users on 1/8. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/291:52 pmPDX - BEG
2 stops23h 28mMultiple Airlines
Wed 6/246:55 amBEG - PDX
2 stops23h 40mMultiple Airlines
Deal found 1/8$940
This Delta deal was found by Cheapflights users on 1/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:05 pmPDX - BEG
1 stop24h 50mDelta
Mon 8/312:40 pmBEG - PDX
2 stops32h 03mDelta
Deal found 1/8$998
This FlightHub deal was found by Cheapflights users on 1/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/293:30 pmPDX - BEG
1 stop21h 50mMultiple Airlines
Mon 8/36:55 amBEG - PDX
1 stop15h 20mMultiple Airlines
Deal found 1/8$1,012

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 January 8, 2026.
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 3/5

5:30 am-11:50 pm

2 stops33h 20m

Belgrade Nikola Tesla

Mon 3/9

6:15 am-12:35 am

2 stops26h 20m

$585

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Sat 4/25

7:05 pm-4:30 pm

2 stops36h 25m

Belgrade Nikola Tesla

Sat 5/2

5:10 pm-12:48 am

2 stops40h 38m

$588

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Sat 4/25

1:05 pm-10:55 pm

1 stop24h 50m

Belgrade Nikola Tesla

Sat 5/2

6:00 am-11:10 am

1 stop14h 10m

$618

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Sun 6/28

2:03 pm-10:20 pm

2 stops23h 17m

Belgrade Nikola Tesla

Tue 8/4

6:55 am-8:48 pm

2 stops22h 53m

$1,170

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Mon 6/8

3:30 pm-10:20 pm

1 stop21h 50m

Belgrade Nikola Tesla

Mon 7/6

6:55 am-9:35 pm

2 stops23h 40m

$1,280

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 7/1

1:05 pm-10:55 pm

1 stop24h 50m

Belgrade Nikola Tesla

Thu 8/6

12:40 pm-11:10 am

1 stop31h 30m

$1,294

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 6/10

1:05 pm-12:00 pm

1 stop13h 55m

Belgrade Nikola Tesla

Wed 7/8

12:40 pm-11:10 am

1 stop31h 30m

$1,680

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 3/4

1:25 pm-11:55 am

1 stop13h 30m

$434

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 3/4

1:25 pm-11:55 am

1 stop13h 30m

$434

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 3/4

1:18 pm-11:50 pm

3 stops25h 32m

$438

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 12 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
No data available for this route at this time. Please check back soon.

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 January 8, 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
8,029 reviews

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

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
8,029 reviews
Delta
7.9
Good
8,029 reviews

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

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
7.7
Good
1,434 reviews
Delta
7.9
Good
8,029 reviews

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

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 United Airlines 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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Alternative routes for Portland to Serbia

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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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$657Average$786FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$706Average$1,035FlexibilityNo cancel feeOn-time75%

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