HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Serbia

$444+ 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
Dec 18 — Dec 251
Thu 12/18
Thu 12/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Serbia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 18, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 11/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:10 amPDX - BEG
2 stops21h 55mLufthansa
Mon 12/151:50 pmBEG - PDX
2 stops19h 47mLufthansa
Deal found 11/16$748
This United Airlines deal was found by Cheapflights users on 11/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:00 amPDX - BEG
3 stops44h 55mUnited Airlines
Mon 12/151:50 pmBEG - PDX
2 stops19h 47mUnited Airlines
Deal found 11/16$795
This Delta deal was found by Cheapflights users on 11/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:32 amPDX - BEG
2 stops26h 23mDelta
Mon 12/156:05 amBEG - PDX
1 stop14h 20mDelta
Deal found 11/16$1,092
This Travelocity deal was found by Cheapflights users on 11/17. 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.
Mon 12/110:05 amPDX - BEG
2 stops28h 45mMultiple Airlines
Wed 1/72:35 pmBEG - PDX
2 stops40h 57mMultiple Airlines
Deal found 11/17$1,236
This KLM deal was found by Cheapflights users on 11/17. 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.
Mon 12/11:25 pmPDX - BEG
1 stop13h 30mKLM
Wed 1/76:05 amBEG - PDX
1 stop14h 20mKLM
Deal found 11/17$1,333
This Delta deal was found by Cheapflights users on 11/17. 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 12/16:00 amPDX - BEG
2 stops20h 55mDelta
Wed 1/76:05 amBEG - PDX
1 stop14h 20mDelta
Deal found 11/17$1,337
This United Airlines deal was found by Cheapflights users on 11/17. 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 12/13:54 pmPDX - BEG
2 stops36h 11mUnited Airlines
Wed 1/76:15 amBEG - PDX
3 stops45h 41mUnited Airlines
Deal found 11/17$1,367
This oojo deal was found by Cheapflights users on 11/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/227:08 amPDX - BEG
2 stops27h 17mMultiple Airlines
Wed 1/73:15 pmBEG - PDX
2 stops38h 32mMultiple Airlines
Deal found 11/17$1,614
This Orbitz deal was found by Cheapflights users on 11/17. 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 11/202:30 pmPDX - BEG
2 stops36h 20mMultiple Airlines
Wed 1/75:35 pmBEG - PDX
2 stops34h 21mMultiple Airlines
Deal found 11/17$1,674

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 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$547
(Delta)

One-way from

$444
(Cheapflightsfares)

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 18, 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

Fri 1/9

1:25 pm-11:25 pm

1 stop25h 00m

Belgrade Nikola Tesla

Sat 1/17

12:35 pm-11:25 am

1 stop31h 50m

$547

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Thu 1/22

7:00 am-5:05 pm

2 stops25h 05m

Belgrade Nikola Tesla

Mon 1/26

1:30 pm-12:39 am

2 stops20h 09m

$560

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Fri 1/9

8:30 am-12:45 pm

2 stops19h 15m

Belgrade Nikola Tesla

Sat 1/17

1:30 pm-12:39 am

2 stops20h 09m

$560

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Fri 1/9

8:30 am-12:45 pm

2 stops19h 15m

Belgrade Nikola Tesla

Tue 1/13

1:30 pm-6:56 pm

2 stops38h 26m

$571

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Fri 1/9

10:47 am-8:50 am

3 stops37h 03m

Belgrade Nikola Tesla

Sat 1/17

2:35 pm-10:32 pm

3 stops64h 57m

$597

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Fri 1/9

1:25 pm-11:55 am

1 stop13h 30m

Belgrade Nikola Tesla

Tue 1/13

6:30 am-8:27 pm

2 stops22h 57m

$644

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Fri 1/9

1:25 pm-11:25 pm

1 stop25h 00m

Belgrade Nikola Tesla

Tue 1/13

12:35 pm-11:25 am

1 stop31h 50m

$649

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 2/25

9:50 am-12:50 pm

2 stops18h 00m

Belgrade Nikola Tesla

Wed 3/11

6:15 am-9:15 am

3 stops35h 00m

$708

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Fri 2/27

10:56 am-1:45 pm

2 stops17h 49m

$444

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Fri 2/27

9:50 am-12:45 pm

2 stops17h 55m

$444

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 16 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 November 18, 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 18, 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
8,008 reviews

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.1

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
8,008 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.1

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
1,411 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.1

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 25h. Fly via Delta 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.

  • What are the cheapest airlines to fly from Portland to Serbia one-way?

    $444 is the cheapest one-way deal found within the past few days, from SWISS. You may also be able to find cheap deals on Lufthansa and Delta, with prices starting from $444 and $448, respectively.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Serbia

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Heathrow flights
Portland to Amsterdam flights
Portland to Gatwick flights
Portland to Leonardo da Vinci/Fiumicino flights
Portland to Barcelona-El Prat flights
Portland to Charles de Gaulle flights
Portland to Dublin flights
Portland to Lisbon flights
Portland to London City flights
Portland to Orly flights
Portland to Stansted flights
Portland to Madrid flights
Portland to Athens flights
Boise to Barcelona-El Prat flights
Portland to Glasgow Intl flights
Portland to Vicenza flights
Portland to Malpensa flights
Portland to Copenhagen flights
Portland to Istanbul flights
Portland to Berlin flights
Portland to Bruxelles-National flights
Portland to Frankfurt flights
Portland to Linate flights
Boise to Leonardo da Vinci/Fiumicino flights
Portland to Sabiha Gokcen flights
Portland to Edinburgh flights
Boise to Charles de Gaulle flights
Portland to Florence flights
Portland to Oslo Gardermoen flights
Boise to Lisbon flights
Portland to Zurich flights
Portland to Keflavik Intl flights
Portland to Manchester flights
Boise to Heathrow flights
Portland to Málaga flights
Portland to Arlanda flights
Portland to Munich flights
Portland to Prague flights
Portland to Luton flights
Portland to Otopeni Intl flights
Boise to Amsterdam flights
Portland to Frederic Chopin flights
Portland to Vienna flights
Portland to Budapest flights
Portland to Palma de Mallorca flights
Boise to Dublin flights
Portland to Basel flights
Boise to Orly flights
Portland to Bologna flights
Portland to Naples flights

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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$657Average$982FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$707Average$1,082FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.