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$481+ 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 9 — Mar 161
Mon 3/9
Mon 3/16
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 7, 2026.

This United Airlines deal was found by Cheapflights users on 2/3. 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 3/51:30 pm
PDX
-
BEG
2 stops25h 20m
United Airlines
Mon 3/96:15 am
BEG
-
PDX
2 stops24h 49m
United Airlines
Deal found 2/3$586
This FlightHub deal was found by Cheapflights users on 2/5. 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 stops39h 40m
Lufthansa
Sun 5/36:15 am
BEG
-
PDX
2 stops26h 35m
Lufthansa
Deal found 2/5$617
This FlightHub deal was found by Cheapflights users on 2/5. 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 2/5$627
This KLM deal was found by Cheapflights users on 2/6. 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 stop13h 50m
KLM
Sat 5/26:15 am
BEG
-
PDX
2 stops21h 37m
KLM
Deal found 2/6$829
This United Airlines deal was found by Cheapflights users on 2/6. 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.
Mon 3/233:52 pm
PDX
-
BEG
2 stops47h 58m
United Airlines
Mon 3/304:55 pm
BEG
-
PDX
2 stops39h 03m
United Airlines
Deal found 2/6$877
This Mytrip deal was found by Cheapflights users on 2/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/253:30 pm
PDX
-
BEG
3 stops32h 05m
Multiple Airlines
Sun 5/37:00 am
BEG
-
PDX
3 stops20h 00m
Multiple Airlines
Deal found 2/5$880
This United Airlines deal was found by Cheapflights users on 2/4. 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.
Sat 8/111:30 pm
PDX
-
BEG
2 stops31h 40m
United Airlines
Tue 9/16:20 am
BEG
-
PDX
2 stops36h 11m
United Airlines
Deal found 2/4$896
This Travelocity deal was found by Cheapflights users on 2/4. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/157:15 am
PDX
-
BEG
2 stops23h 10m
Multiple Airlines
Sun 3/299:15 am
BEG
-
PDX
2 stops33h 08m
Multiple Airlines
Deal found 2/4$906
This Air France deal was found by Cheapflights users on 2/4. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/111:10 am
PDX
-
BEG
2 stops16h 15m
Multiple Airlines
Tue 9/112:35 pm
BEG
-
PDX
1 stop31h 35m
Multiple Airlines
Deal found 2/4$930

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 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$586
(United Airlines)

One-way from

$481
(United Airlines)

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 7, 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

1:30 pm-11:50 pm

2 stops25h 20m

Belgrade Nikola Tesla

Mon 3/9

6:15 am-11:04 pm

2 stops24h 49m

$586

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Sat 4/25

3:30 pm-4:10 pm

2 stops39h 40m

Belgrade Nikola Tesla

Sun 5/3

6:15 am-11:50 pm

2 stops26h 35m

$617

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

$627

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-2:50 pm

2 stops17h 35m

$829

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Sat 4/25

1:05 pm-10:55 pm

1 stop24h 50m

Belgrade Nikola Tesla

Sun 5/3

6:15 am-2:50 pm

2 stops17h 35m

$829

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Mon 3/23

3:52 pm-11:50 pm

2 stops47h 58m

Belgrade Nikola Tesla

Mon 3/30

4:55 pm-10:58 pm

2 stops39h 03m

$877

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 3/4

7:57 pm-11:50 pm

2 stops42h 53m

$481

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 3/4

1:18 pm-11:50 pm

2 stops25h 32m

$490

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Mon 6/15

5:36 pm-8:40 pm

3 stops42h 04m

$538

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Fri 2/27

3:50 pm-11:50 pm

2 stops23h 00m

$669

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

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 7, 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
8,163 reviews

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Overall

7.9

Boarding

8.1

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
8,163 reviews
Delta
7.9
Good
8,163 reviews

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Overall

7.9

Boarding

8.1

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
1,450 reviews
Delta
7.9
Good
8,163 reviews

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Overall

7.9

Boarding

8.1

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 20m. Fly via United Airlines or Lufthansa 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 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$627Average$988FlexibilityNo cancel feeOn-time75%
DeltaCheapest$657Average$757FlexibilityNo cancel feeOn-timeN/A

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