$300+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BEG
Jun 18 — Jun 251
Round-trip
1 adult, Economy
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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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Serbia
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to SerbiaExplore 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 May 19, 2026.
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 May 19, 2026.
This FlightHub deal was found by Cheapflights users on 5/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/223:30 pm
PDX
- BEG
2 stops21h 35m
Lufthansa
Sat 10/36:10 am
BEG
- PDX
2 stops21h 56m
Lufthansa
Deal found 5/16![Lufthansa logo]()
$948
This United Airlines deal was found by Cheapflights users on 5/16. 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.
Wed 7/2211:16 am
PDX
- BEG
2 stops19h 49m
United Airlines
Sat 10/36:10 am
BEG
- PDX
3 stops25h 52m
United Airlines
Deal found 5/16![United Airlines logo]()
$986
This KLM deal was found by Cheapflights users on 5/16. 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.
Wed 7/221:05 pm
PDX
- BEG
1 stop24h 50m
KLM
Sat 10/312:35 pm
BEG
- PDX
1 stop31h 35m
KLM
Deal found 5/16![KLM logo]()
$998
This Orbitz deal was found by Cheapflights users on 5/15. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:19 am
PDX
- BEG
2 stops30h 01m
Multiple Airlines
Thu 6/186:55 am
BEG
- PDX
1 stop15h 40m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$1,130
This United Airlines deal was found by Cheapflights users on 5/15. 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.
Wed 6/108:35 am
PDX
- BEG
2 stops22h 30m
United Airlines
Thu 6/186:10 am
BEG
- PDX
2 stops22h 01m
United Airlines
Deal found 5/15![United Airlines logo]()
$1,170
This Air Canada deal was found by Cheapflights users on 5/18. 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.
Tue 6/167:45 pm
PDX
- BEG
2 stops41h 20m
Multiple Airlines
Tue 6/239:15 am
BEG
- PDX
2 stops33h 16m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$1,228
This KLM deal was found by Cheapflights users on 5/18. 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.
Tue 6/161:05 pm
PDX
- BEG
1 stop24h 50m
KLM
Tue 6/236:15 am
BEG
- PDX
1 stop13h 55m
KLM
Deal found 5/18![KLM logo]()
$1,737
Best flights from Portland to SerbiaDiscover carefully curated flight deals from Portland to Serbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 19, 2026.
Discover carefully curated flight deals from Portland to Serbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 19, 2026.
This United Airlines deal was found by Cheapflights users on 5/16. 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.
Wed 7/2211:16 am
PDX
- BEG
2 stops19h 49m
United Airlines
Sat 10/36:10 am
BEG
- PDX
3 stops25h 52m
United Airlines
Deal found 5/16![United Airlines logo]()
$986
This KLM deal was found by Cheapflights users on 5/16. 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.
Wed 7/221:05 pm
PDX
- BEG
1 stop24h 50m
KLM
Sat 10/312:35 pm
BEG
- PDX
1 stop31h 35m
KLM
Deal found 5/16![KLM logo]()
$998
This Air Canada deal was found by Cheapflights users on 5/18. 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.
Tue 6/167:45 pm
PDX
- BEG
2 stops41h 20m
Multiple Airlines
Tue 6/239:15 am
BEG
- PDX
2 stops33h 16m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$1,228
This United Airlines deal was found by Cheapflights users on 5/15. 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.
Wed 6/108:35 am
PDX
- BEG
2 stops22h 30m
United Airlines
Thu 6/186:10 am
BEG
- PDX
2 stops22h 01m
United Airlines
Deal found 5/15![United Airlines logo]()
$1,170
This KLM deal was found by Cheapflights users on 5/18. 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.
Tue 6/161:05 pm
PDX
- BEG
1 stop24h 50m
KLM
Tue 6/236:15 am
BEG
- PDX
1 stop13h 55m
KLM
Deal found 5/18![KLM logo]()
$1,737
This United Airlines deal was found by Cheapflights users on 5/17. 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.
Wed 7/1511:05 am
PDX
- BEG
2 stops16h 40m
United Airlines
Wed 7/296:10 am
BEG
- PDX
2 stops19h 37m
United Airlines
Deal found 5/17![United Airlines logo]()
$5,726
This KLM deal was found by Cheapflights users on 5/17. 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.
Wed 7/151:05 pm
PDX
- BEG
1 stop13h 50m
KLM
Fri 7/3112:35 pm
BEG
- PDX
1 stop31h 35m
KLM
Deal found 5/17![KLM logo]()
$6,102
Last-minute flights from Portland to SerbiaDiscover last-minute flight deals from Portland to Serbia. Data last updated May 19, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Serbia. Data last updated May 19, 2026 and is based on user searches.
This Orbitz deal was found by Cheapflights users on 5/15. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:19 am
PDX
- BEG
2 stops30h 01m
Multiple Airlines
Thu 6/186:55 am
BEG
- PDX
1 stop15h 40m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$1,130
This United Airlines deal was found by Cheapflights users on 5/15. 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.
Wed 6/108:35 am
PDX
- BEG
2 stops22h 30m
United Airlines
Thu 6/186:10 am
BEG
- PDX
2 stops22h 01m
United Airlines
Deal found 5/15![United Airlines logo]()
$1,170
This KLM deal was found by Cheapflights users on 5/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/101:05 pm
PDX
- BEG
1 stop24h 50m
KLM
Thu 6/186:15 am
BEG
- PDX
1 stop13h 55m
KLM
Deal found 5/15![KLM logo]()
$1,798
This Air Canada deal was found by Cheapflights users on 5/18. 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.
Tue 6/167:45 pm
PDX
- BEG
2 stops41h 20m
Multiple Airlines
Tue 6/239:15 am
BEG
- PDX
2 stops33h 16m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$1,228
This KLM deal was found by Cheapflights users on 5/18. 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.
Tue 6/161:05 pm
PDX
- BEG
1 stop24h 50m
KLM
Tue 6/236:15 am
BEG
- PDX
1 stop13h 55m
KLM
Deal found 5/18![KLM logo]()
$1,737
One-way flights from Portland to SerbiaSearch for one-way flight options from Portland to Serbia. Find affordable one-way fares based on user searches. Data last updated May 19, 2026.
Search for one-way flight options from Portland to Serbia. Find affordable one-way fares based on user searches. Data last updated May 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:05 pm
PDX
- BEG
2 stops15h 50m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$300
This KLM deal was found by Cheapflights users on 5/18. 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 8/231:05 pm
PDX
- BEG
1 stop13h 50m
KLM
Deal found 5/18![KLM logo]()
$468
This TravelUp deal was found by Cheapflights users on 5/18. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/169:19 am
PDX
- BEG
2 stops22h 56m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$875
This United Airlines deal was found by Cheapflights users on 5/18. 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.
Tue 6/1612:50 pm
PDX
- BEG
3 stops25h 45m
United Airlines
Deal found 5/18![United Airlines logo]()
$1,341
This KLM deal was found by Cheapflights users on 5/18. 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.
Tue 6/161:05 pm
PDX
- BEG
1 stop13h 50m
KLM
Deal found 5/18![KLM logo]()
$1,348
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 May 19, 2026.
Round-trip from | $948 (FlightHub) |
|---|---|
One-way from | $300 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $1,029 |
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 May 19, 2026.
Use the filters below to find and compare flights from Portland to Serbia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandBelgrade
PDX - BEG
PDXBEG
Portland
Wed 7/22
11:16 am-4:05 pm
2 stops19h 49m
Belgrade Nikola Tesla
Sat 10/3
6:10 am-11:02 pm
3 stops25h 52m
$986
PortlandBelgrade
PDX - BEG
PDXBEG
Portland
Wed 7/22
1:05 pm-10:55 pm
1 stop24h 50m
Belgrade Nikola Tesla
Sat 10/3
12:35 pm-11:10 am
1 stop31h 35m
$998
PortlandBelgrade
PDX - BEG
PDXBEG
Portland
Wed 6/10
8:35 am-4:05 pm
2 stops22h 30m
Belgrade Nikola Tesla
Thu 6/18
6:10 am-7:11 pm
2 stops22h 01m
$1,170
PortlandBelgrade
PDX - BEG
PDXBEG
Portland
Tue 6/16
7:45 pm-10:05 pm
2 stops41h 20m
Belgrade Nikola Tesla
Tue 6/23
9:15 am-9:31 am
2 stops33h 16m
$1,228
PortlandBelgrade
PDX - BEG
PDXBEG
Portland
Tue 6/16
1:05 pm-10:55 pm
1 stop24h 50m
Belgrade Nikola Tesla
Tue 6/23
6:15 am-11:10 am
1 stop13h 55m
$1,737
Quickest round-trip
PortlandBelgrade
PDX - BEG
PDXBEG
Portland
Wed 7/15
11:05 am-12:45 pm
2 stops16h 40m
Belgrade Nikola Tesla
Wed 7/29
6:10 am-4:47 pm
2 stops19h 37m
$5,726
PortlandBelgrade
PDX - BEG
PDXBEG
Portland
Wed 7/15
1:05 pm-11:55 am
1 stop13h 50m
Belgrade Nikola Tesla
Fri 7/31
12:35 pm-11:10 am
1 stop31h 35m
$6,102
Cheapest one-way
Quickest one-way
PortlandBelgrade
PDX - BEG
PDXBEG
Portland
Sun 8/23
1:05 pm-11:55 am
1 stop13h 50m
$468
PortlandBelgrade
PDX - BEG
PDXBEG
Portland
Tue 6/16
12:50 pm-11:35 pm
3 stops25h 45m
$1,341
PortlandBelgrade
PDX - BEG
PDXBEG
Portland
Tue 6/16
1:05 pm-11:55 am
1 stop13h 50m
$1,348
Sorted by cheapest first
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.
PDX-BEG
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
PDX-RS0
PDX-BEG
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 $534). Flying from Portland to Serbia in June is currently the most expensive (average of $1,352). 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 May 19, 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.
Overall
7.9
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
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Alternative routes for Portland to Serbia
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Serbia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Serbia by cabin class
Find flights from Portland to Serbia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Serbia flights
Browse other Portland and Serbia flight options. Last updated on May 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 May 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$627 | Average$1,044 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$657 | Average$866 | FlexibilityNo cancel fee | On-timeN/A |