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$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 3 — Dec 101
Wed 12/3
Wed 12/10
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 3, 2025.

This Ovago deal was found by Cheapflights users on 11/2. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/83:54 pmPDX - BEG
2 stops47h 01mMultiple Airlines
Sat 11/158:00 pmBEG - PDX
2 stops35h 35mMultiple Airlines
Deal found 11/2$732
This Cheapflightsfares deal was found by Cheapflights users on 10/31. 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.
Sat 11/812:55 pmPDX - BEG
2 stops26h 00mLufthansa
Sat 11/151:30 pmBEG - PDX
2 stops20h 16mLufthansa
Deal found 10/31$748
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/137:30 amPDX - BEG
2 stops20h 25mUnited Airlines
Mon 11/171:50 pmBEG - PDX
2 stops39h 39mUnited Airlines
Deal found 11/2$750
This Delta deal was found by Cheapflights users on 10/31. 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 11/1212:35 amPDX - BEG
2 stops26h 20mDelta
Mon 11/176:05 amBEG - PDX
1 stop14h 20mDelta
Deal found 10/31$752
This Air Canada deal was found by Cheapflights users on 11/2. 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.
Thu 11/133:15 pmPDX - BEG
2 stops40h 40mMultiple Airlines
Mon 11/176:15 amBEG - PDX
3 stops36h 00mMultiple Airlines
Deal found 11/2$755
This oojo deal was found by Cheapflights users on 10/31. 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 11/81:23 pmPDX - BEG
2 stops33h 47mMultiple Airlines
Thu 11/138:15 pmBEG - PDX
2 stops29h 35mMultiple Airlines
Deal found 10/31$967
This United Airlines deal was found by Cheapflights users on 10/31. 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 11/87:00 amPDX - BEG
3 stops20h 55mUnited Airlines
Sat 11/156:25 amBEG - PDX
2 stops25h 08mUnited Airlines
Deal found 10/31$1,131

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 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$750
(United Airlines)

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.
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Provider most trusted by Cheapflights users for Portland-Belgrade Nikola Tesla flights.
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From Portland to Serbia
Search Deals
One-way flight from Portland to Serbia
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($332 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($50 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 3, 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

Thu 11/13

7:30 am-12:55 pm

2 stops20h 25m

Belgrade Nikola Tesla

Mon 11/17

1:50 pm-8:38 pm

2 stops39h 48m

$750

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Thu 11/13

7:05 am-11:55 am

2 stops19h 50m

Belgrade Nikola Tesla

Mon 11/17

6:05 am-11:25 am

1 stop14h 20m

$752

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 11/12

12:35 am-11:55 am

2 stops26h 20m

Belgrade Nikola Tesla

Mon 11/17

6:05 am-11:25 am

1 stop14h 20m

$752

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Thu 11/13

3:15 pm-4:55 pm

2 stops40h 40m

Belgrade Nikola Tesla

Mon 11/17

6:15 am-9:15 am

3 stops36h 00m

$755

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Fri 2/27

9:50 am-12:45 pm

2 stops17h 55m

$444

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Fri 2/27

9:50 am-12:45 pm

2 stops17h 55m

$447

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 3/4

10:56 am-1:45 pm

2 stops17h 49m

$467

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 3/4

1:25 pm-11:55 am

1 stop13h 30m

$473

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 3/4

1:25 pm-11:55 am

1 stop13h 30m

$473

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Fri 2/27

1:25 pm-11:55 am

1 stop13h 30m

$523

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 11 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 3, 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 3, 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
8,001 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Delta
7.9
Good
8,001 reviews
Delta
7.9
Good
8,001 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
KLM
7.7
Good
1,404 reviews
Delta
7.9
Good
8,001 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.

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 19h 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.

  • 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 Lufthansa. You may also be able to find cheap deals on Air Canada and SWISS, with prices starting from $447 and $467, 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

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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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$657Average$982FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$707Average$1,082FlexibilityNo cancel feeOn-time75%

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