$621+ Cheap flights from Portland (PDX) to Serbia
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BEG
Oct 14 — Oct 211
Round-trip
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.Cheap flight deals from Portland to Serbia
Cheapest
Best
Last-minute
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 September 14, 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 September 14, 2026.
This Justfly.com deal was found by Cheapflights users on 9/13. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:45 pm -
2 stops35h 45m
Wed 11/111:30 pm -
2 stops58h 11m
Deal found 9/13![Air Canada logo]()
$621
This SmartFares deal was found by Cheapflights users on 9/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:00 am -
2 stops24h 20m
Tue 11/38:05 pm -
2 stops33h 57m
Deal found 9/12![Multiple Airlines logo]()
$630
This Flysmarter deal was found by Cheapflights users on 9/10. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/252:34 pm -
2 stops18h 46m
Tue 11/36:15 am -
2 stops21h 05m
Deal found 9/10![Lufthansa logo]()
$645
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Sun 10/2511:33 pm -
2 stops29h 17m
Tue 11/36:15 am -
2 stops20h 54m
Deal found 9/12![United Airlines logo]()
$657
This FlightHub deal was found by Cheapflights users on 9/11. 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.
Fri 10/168:30 am -
2 stops18h 50m
Sun 11/11:30 pm -
2 stops20h 14m
Deal found 9/11![Lufthansa logo]()
$709
This FlightHub deal was found by Cheapflights users on 9/9. 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.
Fri 10/238:30 am -
2 stops18h 50m
Sat 11/142:45 pm -
2 stops39h 17m
Deal found 9/9![Multiple Airlines logo]()
$710
This Flysmarter deal was found by Cheapflights users on 9/12. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:50 am -
2 stops21h 35m
Tue 11/312:35 pm -
1 stop32h 05m
Deal found 9/12![Multiple Airlines logo]()
$712
This FlightHub deal was found by Cheapflights users on 9/14. 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.
Fri 10/162:27 pm -
2 stops36h 53m
Sun 11/18:05 pm -
2 stops33h 57m
Deal found 9/14![Multiple Airlines logo]()
$713
This Delta deal was found by Cheapflights users on 9/12. 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.
Sun 10/252:40 pm -
1 stop13h 15m
Tue 11/312:35 pm -
1 stop32h 05m
Deal found 9/12![Delta logo]()
$717
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 September 14, 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 September 14, 2026.
This FlightHub deal was found by Cheapflights users on 9/11. 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.
Fri 10/168:30 am -
2 stops18h 50m
Sun 11/11:30 pm -
2 stops20h 14m
Deal found 9/11![Lufthansa logo]()
$709
This Expedia deal was found by Cheapflights users on 9/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/252:40 pm -
1 stop13h 15m
Tue 11/312:35 pm -
1 stop32h 05m
Deal found 9/12![KLM logo]()
$717
This Delta deal was found by Cheapflights users on 9/10. 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.
Sun 10/2511:12 pm -
2 stops28h 43m
Tue 11/36:05 am -
2 stops25h 13m
Deal found 9/10![Delta logo]()
$724
This Flysmarter deal was found by Cheapflights users on 9/12. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:50 am -
2 stops21h 35m
Tue 11/36:30 am -
2 stops19h 34m
Deal found 9/12![Air France logo]()
$727
This Justfly.com deal was found by Cheapflights users on 9/9. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:45 pm -
2 stops35h 45m
Wed 11/111:30 pm -
2 stops58h 11m
Deal found 9/9![Air Canada logo]()
$800
This Air Canada deal was found by Cheapflights users on 9/13. 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.
Thu 10/223:30 pm -
2 stops15h 55m
Sun 11/156:15 am -
3 stops21h 16m
Deal found 9/13![Multiple Airlines logo]()
$846
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:05 pm -
1 stop13h 50m
Sun 11/156:05 am -
1 stop14h 35m
Deal found 9/13![Delta logo]()
$819
This KLM deal was found by Cheapflights users on 9/13. 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.
Sat 10/171:05 pm -
1 stop13h 50m
Wed 11/116:05 am -
1 stop14h 35m
Deal found 9/13![KLM logo]()
$850
This Delta deal was found by Cheapflights users on 9/11. 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.
Fri 10/161:05 pm -
1 stop13h 50m
Sun 11/16:05 am -
1 stop14h 35m
Deal found 9/11![Delta logo]()
$819
Last-minute flights from Portland to SerbiaDiscover last-minute flight deals from Portland to Serbia. Data last updated September 14, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Serbia. Data last updated September 14, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 9/11. 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.
Fri 10/168:30 am -
2 stops18h 50m
Sun 11/11:30 pm -
2 stops20h 14m
Deal found 9/11![Lufthansa logo]()
$709
This FlightHub deal was found by Cheapflights users on 9/14. 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.
Fri 10/162:27 pm -
2 stops36h 53m
Sun 11/18:05 pm -
2 stops33h 57m
Deal found 9/14![Multiple Airlines logo]()
$713
This Justfly.com deal was found by Cheapflights users on 9/13. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:45 pm -
2 stops35h 45m
Wed 11/111:30 pm -
2 stops58h 11m
Deal found 9/13![Air Canada logo]()
$621
This FlightHub deal was found by Cheapflights users on 9/9. 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.
Fri 10/238:30 am -
2 stops18h 50m
Sat 11/142:45 pm -
2 stops39h 17m
Deal found 9/9![Multiple Airlines logo]()
$710
This Flysmarter deal was found by Cheapflights users on 9/10. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/252:34 pm -
2 stops18h 46m
Tue 11/36:15 am -
2 stops21h 05m
Deal found 9/10![Lufthansa logo]()
$645
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Sun 10/2511:33 pm -
2 stops29h 17m
Tue 11/36:15 am -
2 stops20h 54m
Deal found 9/12![United Airlines logo]()
$657
This Flysmarter deal was found by Cheapflights users on 9/12. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:50 am -
2 stops21h 35m
Tue 11/312:35 pm -
1 stop32h 05m
Deal found 9/12![Multiple Airlines logo]()
$712
This Delta deal was found by Cheapflights users on 9/12. 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.
Sun 10/252:40 pm -
1 stop13h 15m
Tue 11/312:35 pm -
1 stop32h 05m
Deal found 9/12![Delta logo]()
$717
This SmartFares deal was found by Cheapflights users on 9/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:00 am -
2 stops24h 20m
Tue 11/38:05 pm -
2 stops33h 57m
Deal found 9/12![Multiple Airlines logo]()
$630
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 September 14, 2026.
Round-trip from | $621 (Justfly.com) |
|---|---|
Popular in | June |
Cheapest in | November |
Average price | $747 |
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 7,457,451 searches. Data last updated September 14, 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 Portland - BEG Belgrade Nikola Tesla
PDXBEG
Portland
Fri 10/16
8:30 am-12:20 pm
2 stops18h 50m
Belgrade Nikola Tesla
Sun 11/1
1:30 pm-12:44 am
2 stops20h 14m
$709
PortlandBelgrade
PDX Portland - BEG Belgrade Nikola Tesla
PDXBEG
Portland
Sun 10/25
2:40 pm-11:55 am
1 stop13h 15m
Belgrade Nikola Tesla
Tue 11/3
12:35 pm-11:40 am
1 stop32h 05m
$717
PortlandBelgrade
PDX Portland - BEG Belgrade Nikola Tesla
PDXBEG
Portland
Sun 10/25
11:12 pm-11:55 am
2 stops28h 43m
Belgrade Nikola Tesla
Tue 11/3
6:05 am-10:18 pm
2 stops25h 13m
$724
PortlandBelgrade
PDX Portland - BEG Belgrade Nikola Tesla
PDXBEG
Portland
Sun 10/25
6:50 am-12:25 pm
2 stops21h 35m
Belgrade Nikola Tesla
Tue 11/3
6:30 am-5:04 pm
2 stops19h 34m
$727
PortlandBelgrade
PDX Portland - BEG Belgrade Nikola Tesla
PDXBEG
Portland
Sat 10/17
7:45 pm-4:30 pm
2 stops35h 45m
Belgrade Nikola Tesla
Wed 11/11
1:30 pm-2:41 pm
2 stops58h 11m
$800
Quickest round-trip
PortlandBelgrade
PDX Portland - BEG Belgrade Nikola Tesla
PDXBEG
Portland
Thu 10/22
1:05 pm-11:55 am
1 stop13h 50m
Belgrade Nikola Tesla
Sun 11/15
6:05 am-11:40 am
1 stop14h 35m
$819
PortlandBelgrade
PDX Portland - BEG Belgrade Nikola Tesla
PDXBEG
Portland
Fri 10/16
1:05 pm-11:55 am
1 stop13h 50m
Belgrade Nikola Tesla
Sun 11/1
6:05 am-12:40 pm
1 stop14h 35m
$819
PortlandBelgrade
PDX Portland - BEG Belgrade Nikola Tesla
PDXBEG
Portland
Thu 10/22
3:30 pm-4:25 pm
2 stops15h 55m
Belgrade Nikola Tesla
Sun 11/15
6:15 am-6:31 pm
3 stops21h 16m
$846
PortlandBelgrade
PDX Portland - BEG Belgrade Nikola Tesla
PDXBEG
Portland
Sat 10/17
1:05 pm-11:55 am
1 stop13h 50m
Belgrade Nikola Tesla
Wed 11/11
6:05 am-11:40 am
1 stop14h 35m
$850
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, November is the cheapest month in which you can book a flight from Portland to Serbia (average of $657). 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 September 14, 2026.
See what other customers who have flown with KLM and Delta 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.
Crew
8.4
Entertainment
7.2
Overall
7.8
Boarding
7.8
Comfort
7.7
Food
7.3
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Crew
8.4
Entertainment
7.2
Overall
7.8
Boarding
7.8
Comfort
7.7
Food
7.3
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Crew
8.4
Entertainment
7.2
Overall
7.8
Boarding
7.8
Comfort
7.7
Food
7.3
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
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.
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
Complete your trip
Flights by cabin class
Other flight options
Popular flights
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 September 14, 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 7,457,451 searches. Data last updated September 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$583 | Average$941 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$657 | Average$1,029 | FlexibilityNo cancel fee | On-timeN/A |