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$547+ 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
Mar 19 — Mar 261
Thu 3/19
Thu 3/26
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 February 17, 2026.

This FlightHub deal was found by Cheapflights users on 2/14. 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 4/253:30 pm
PDX
-
BEG
2 stops47h 25m
Lufthansa
Sat 5/25:10 pm
BEG
-
PDX
2 stops40h 49m
Lufthansa
Deal found 2/14$628
This Delta deal was found by Cheapflights users on 2/15. 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.
Sat 4/251:05 pm
PDX
-
BEG
1 stop13h 50m
Delta
Sat 5/26:15 am
BEG
-
PDX
1 stop13h 55m
Delta
Deal found 2/15$650
This KLM deal was found by Cheapflights users on 2/13. 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 3/11:25 pm
PDX
-
BEG
1 stop25h 00m
KLM
Sun 3/86:05 am
BEG
-
PDX
1 stop14h 20m
KLM
Deal found 2/13$751
This FlightHub deal was found by Cheapflights users on 2/13. 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.
Sun 3/13:15 pm
PDX
-
BEG
2 stops36h 35m
Multiple Airlines
Sun 3/81:30 pm
BEG
-
PDX
2 stops19h 05m
Multiple Airlines
Deal found 2/13$771
This United Airlines deal was found by Cheapflights users on 2/15. 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 3/53:40 pm
PDX
-
BEG
2 stops23h 10m
United Airlines
Mon 3/96:15 am
BEG
-
PDX
2 stops23h 43m
United Airlines
Deal found 2/15$786
This KLM deal was found by Cheapflights users on 2/16. 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 pm
PDX
-
BEG
1 stop24h 50m
KLM
Sat 5/212:35 pm
BEG
-
PDX
1 stop31h 35m
KLM
Deal found 2/16$820
This Air Canada deal was found by Cheapflights users on 2/13. 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 3/17:05 pm
PDX
-
BEG
3 stops32h 45m
Air Canada
Sun 3/86:15 am
BEG
-
PDX
2 stops35h 00m
Air Canada
Deal found 2/13$880

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 February 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$628
(FlightHub)

One-way from

$547
(KAYAK)

Popular in

June

Cheapest in

November

Average price

$719
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. 23% potential increase in price ($290 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 17, 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

Sat 4/25

3:30 pm-11:55 pm

2 stops47h 25m

Belgrade Nikola Tesla

Sat 5/2

5:10 pm-12:59 am

2 stops40h 49m

$628

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

$650

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Sat 4/25

1:05 pm-11:55 am

1 stop13h 50m

Belgrade Nikola Tesla

Sat 5/2

6:15 am-11:10 am

1 stop13h 55m

$650

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Sun 3/1

1:25 pm-11:25 pm

1 stop25h 00m

Belgrade Nikola Tesla

Sun 3/8

6:05 am-11:25 am

1 stop14h 20m

$751

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Sun 3/1

3:15 pm-12:50 pm

2 stops36h 35m

Belgrade Nikola Tesla

Sun 3/8

1:30 pm-12:35 am

2 stops19h 05m

$771

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 3/4

8:30 am-11:50 pm

2 stops30h 20m

$547

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 3/4

1:25 pm-11:55 am

1 stop13h 30m

$562

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 3/4

1:18 pm-11:50 pm

3 stops25h 32m

$564

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Fri 2/27

3:50 pm-12:45 pm

2 stops35h 55m

$572

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/16

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 $1,102). 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 February 17, 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
8,205 reviews

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Overall

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
8,205 reviews
Delta
7.9
Good
8,205 reviews

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Overall

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
1,455 reviews
Delta
7.9
Good
8,205 reviews

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Overall

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 13h 50m. Fly via Lufthansa, KLM, or Delta 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.

  • 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 $1,102). 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

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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 February 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$627Average$988FlexibilityNo cancel feeOn-time75%
DeltaCheapest$657Average$757FlexibilityNo cancel feeOn-timeN/A

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