$273+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BEG
Aug 25 — Sep 11
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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Cheapest
Best
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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 July 26, 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 July 26, 2026.
This United Airlines deal was found by Cheapflights users on 7/24. 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 12/137:30 am
PDX
- BEG
2 stops31h 20m
United Airlines
Thu 12/241:40 pm
BEG
- PDX
2 stops20h 03m
United Airlines
Deal found 7/24![United Airlines logo]()
$768
This FlightHub deal was found by Cheapflights users on 7/21. 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 8/223:10 pm
PDX
- BEG
1 stop22h 10m
Multiple Airlines
Wed 9/25:25 pm
BEG
- PDX
1 stop29h 10m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$834
This oojo deal was found by Cheapflights users on 7/22. 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 8/223:10 pm
PDX
- BEG
1 stop22h 10m
Multiple Airlines
Mon 9/76:55 am
BEG
- PDX
1 stop15h 15m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$836
This FlightHub deal was found by Cheapflights users on 7/23. 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 8/153:10 pm
PDX
- BEG
1 stop22h 10m
Multiple Airlines
Sat 8/296:55 am
BEG
- PDX
1 stop15h 10m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$844
This Justfly.com deal was found by Cheapflights users on 7/25. 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.
Mon 8/2410:50 am
PDX
- BEG
2 stops26h 15m
Multiple Airlines
Mon 8/318:00 pm
BEG
- PDX
2 stops35h 45m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$845
This oojo deal was found by Cheapflights users on 7/23. 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 8/153:10 pm
PDX
- BEG
1 stop22h 10m
Multiple Airlines
Sun 8/305:25 pm
BEG
- PDX
1 stop28h 45m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$855
This oojo deal was found by Cheapflights users on 7/22. 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 8/153:10 pm
PDX
- BEG
1 stop22h 10m
Multiple Airlines
Wed 8/265:25 pm
BEG
- PDX
1 stop29h 10m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$856
This KLM deal was found by Cheapflights users on 7/24. 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 12/131:20 pm
PDX
- BEG
1 stop13h 35m
KLM
Thu 12/246:05 am
BEG
- PDX
2 stops22h 03m
KLM
Deal found 7/24![KLM logo]()
$861
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/224:07 pm
PDX
- BEG
2 stops39h 23m
United Airlines
Wed 9/26:15 am
BEG
- PDX
2 stops25h 37m
United Airlines
Deal found 7/21![United Airlines logo]()
$862
This oojo deal was found by Cheapflights users on 7/21. 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.
Sun 8/163:30 pm
PDX
- BEG
2 stops16h 00m
Lufthansa
Wed 8/266:10 am
BEG
- PDX
2 stops21h 09m
Lufthansa
Deal found 7/21![Lufthansa logo]()
$867
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 July 26, 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 July 26, 2026.
This United Airlines deal was found by Cheapflights users on 7/24. 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 12/137:30 am
PDX
- BEG
2 stops31h 20m
United Airlines
Thu 12/241:40 pm
BEG
- PDX
2 stops20h 03m
United Airlines
Deal found 7/24![United Airlines logo]()
$768
This oojo deal was found by Cheapflights users on 7/22. 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 8/223:10 pm
PDX
- BEG
1 stop22h 10m
Multiple Airlines
Mon 9/76:55 am
BEG
- PDX
1 stop15h 15m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$836
This Delta deal was found by Cheapflights users on 7/25. 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 8/191:05 pm
PDX
- BEG
1 stop13h 50m
Delta
Wed 8/266:15 am
BEG
- PDX
2 stops19h 59m
Delta
Deal found 7/25![Delta logo]()
$892
This KLM deal was found by Cheapflights users on 7/25. 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 8/191:05 pm
PDX
- BEG
1 stop13h 50m
KLM
Wed 8/266:15 am
BEG
- PDX
2 stops20h 19m
KLM
Deal found 7/25![KLM logo]()
$893
This United Airlines deal was found by Cheapflights users on 7/24. 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 9/710:35 am
PDX
- BEG
2 stops16h 55m
United Airlines
Mon 9/142:10 pm
BEG
- PDX
2 stops33h 36m
United Airlines
Deal found 7/24![United Airlines logo]()
$878
This Delta deal was found by Cheapflights users on 7/22. 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 8/216:00 am
PDX
- BEG
2 stops31h 55m
Delta
Fri 9/46:15 am
BEG
- PDX
1 stop13h 55m
Delta
Deal found 7/22![Delta logo]()
$896
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Fri 8/214:07 pm
PDX
- BEG
2 stops20h 58m
United Airlines
Tue 9/16:15 am
BEG
- PDX
2 stops25h 30m
United Airlines
Deal found 7/22![United Airlines logo]()
$906
This Delta deal was found by Cheapflights users on 7/25. 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 8/246:00 am
PDX
- BEG
2 stops20h 55m
Delta
Mon 8/316:15 am
BEG
- PDX
1 stop13h 55m
Delta
Deal found 7/25![Delta logo]()
$906
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Fri 8/214:07 pm
PDX
- BEG
2 stops20h 58m
United Airlines
Fri 9/46:15 am
BEG
- PDX
2 stops25h 37m
United Airlines
Deal found 7/23![United Airlines logo]()
$906
This Delta deal was found by Cheapflights users on 7/24. 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.
Tue 8/181:05 pm
PDX
- BEG
1 stop13h 50m
Delta
Tue 9/86:15 am
BEG
- PDX
1 stop13h 55m
Delta
Deal found 7/24![Delta logo]()
$937
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/2211:02 pm
PDX
- BEG
2 stops32h 28m
United Airlines
Sat 9/56:15 am
BEG
- PDX
2 stops20h 35m
United Airlines
Deal found 7/22![United Airlines logo]()
$922
Last-minute flights from Portland to SerbiaDiscover last-minute flight deals from Portland to Serbia. Data last updated July 26, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Serbia. Data last updated July 26, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 7/23. 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 8/153:10 pm
PDX
- BEG
1 stop22h 10m
Multiple Airlines
Sat 8/296:55 am
BEG
- PDX
1 stop15h 10m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$844
This oojo deal was found by Cheapflights users on 7/23. 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 8/153:10 pm
PDX
- BEG
1 stop22h 10m
Multiple Airlines
Sun 8/305:25 pm
BEG
- PDX
1 stop28h 45m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$855
This oojo deal was found by Cheapflights users on 7/22. 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 8/153:10 pm
PDX
- BEG
1 stop22h 10m
Multiple Airlines
Wed 8/265:25 pm
BEG
- PDX
1 stop29h 10m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$856
This FlightHub deal was found by Cheapflights users on 7/21. 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 8/157:45 pm
PDX
- BEG
2 stops35h 45m
Multiple Airlines
Tue 8/251:10 pm
BEG
- PDX
2 stops29h 21m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$878
This oojo deal was found by Cheapflights users on 7/21. 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.
Sun 8/163:30 pm
PDX
- BEG
2 stops16h 00m
Lufthansa
Wed 8/266:10 am
BEG
- PDX
2 stops21h 09m
Lufthansa
Deal found 7/21![Lufthansa logo]()
$867
This FlightHub deal was found by Cheapflights users on 7/21. 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 8/223:10 pm
PDX
- BEG
1 stop22h 10m
Multiple Airlines
Wed 9/25:25 pm
BEG
- PDX
1 stop29h 10m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$834
This oojo deal was found by Cheapflights users on 7/22. 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 8/223:10 pm
PDX
- BEG
1 stop22h 10m
Multiple Airlines
Mon 9/76:55 am
BEG
- PDX
1 stop15h 15m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$836
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/224:07 pm
PDX
- BEG
2 stops39h 23m
United Airlines
Wed 9/26:15 am
BEG
- PDX
2 stops25h 37m
United Airlines
Deal found 7/21![United Airlines logo]()
$862
This FlightHub deal was found by Cheapflights users on 7/22. 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 8/223:10 pm
PDX
- BEG
1 stop15h 35m
Multiple Airlines
Sat 9/56:55 am
BEG
- PDX
1 stop15h 10m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$885
This Justfly.com deal was found by Cheapflights users on 7/25. 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.
Mon 8/2410:50 am
PDX
- BEG
2 stops26h 15m
Multiple Airlines
Mon 8/318:00 pm
BEG
- PDX
2 stops35h 45m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$845
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 July 26, 2026.
Search for one-way flight options from Portland to Serbia. Find affordable one-way fares based on user searches. Data last updated July 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Wed 10/143:30 pm
PDX
- BEG
3 stops48h 45m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Mon 10/123:30 pm
PDX
- BEG
3 stops24h 40m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Sat 10/173:30 pm
PDX
- BEG
3 stops48h 40m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Thu 10/153:30 pm
PDX
- BEG
2 stops35h 20m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Tue 10/137:18 am
PDX
- BEG
3 stops32h 42m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Fri 10/1612:34 pm
PDX
- BEG
3 stops42h 46m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$444
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 10/112:30 pm
PDX
- BEG
3 stops21h 00m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 7/23. 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 10/111:05 pm
PDX
- BEG
1 stop24h 50m
Delta
Deal found 7/23![Delta logo]()
$467
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 July 26, 2026.
Round-trip from | $768 (United Airlines) |
|---|---|
One-way from | $273 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $1,044 |
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 July 26, 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
Sun 12/13
7:30 am-11:50 pm
2 stops31h 20m
Belgrade Nikola Tesla
Thu 12/24
1:40 pm-12:43 am
2 stops20h 03m
$768
PortlandBelgrade
PDX - BEG
PDXBEG
Portland
Sat 8/22
3:10 pm-10:20 pm
1 stop22h 10m
Belgrade Nikola Tesla
Mon 9/7
6:55 am-1:10 pm
1 stop15h 15m
$836
PortlandBelgrade
PDX - BEG
PDXBEG
Portland
Mon 9/7
10:35 am-12:30 pm
2 stops16h 55m
Belgrade Nikola Tesla
Mon 9/14
2:10 pm-2:46 pm
2 stops33h 36m
$878
PortlandBelgrade
PDX - BEG
PDXBEG
Portland
Wed 8/19
1:05 pm-11:55 am
1 stop13h 50m
Belgrade Nikola Tesla
Wed 8/26
6:15 am-5:14 pm
2 stops19h 59m
$892
PortlandBelgrade
PDX - BEG
PDXBEG
Portland
Wed 8/19
1:05 pm-11:55 am
1 stop13h 50m
Belgrade Nikola Tesla
Wed 8/26
6:15 am-5:34 pm
2 stops20h 19m
$893
PortlandBelgrade
PDX - BEG
PDXBEG
Portland
Fri 8/21
6:00 am-10:55 pm
2 stops31h 55m
Belgrade Nikola Tesla
Fri 9/4
6:15 am-11:10 am
1 stop13h 55m
$896
PortlandBelgrade
PDX - BEG
PDXBEG
Portland
Fri 8/21
4:07 pm-10:05 pm
2 stops20h 58m
Belgrade Nikola Tesla
Tue 9/1
6:15 am-10:45 pm
2 stops25h 30m
$906
PortlandBelgrade
PDX - BEG
PDXBEG
Portland
Mon 8/24
6:00 am-11:55 am
2 stops20h 55m
Belgrade Nikola Tesla
Mon 8/31
6:15 am-11:10 am
1 stop13h 55m
$906
PortlandBelgrade
PDX - BEG
PDXBEG
Portland
Fri 8/21
4:07 pm-10:05 pm
2 stops20h 58m
Belgrade Nikola Tesla
Fri 9/4
6:15 am-10:52 pm
2 stops25h 37m
$906
PortlandBelgrade
PDX - BEG
PDXBEG
Portland
Sat 8/22
11:02 pm-4:30 pm
2 stops32h 28m
Belgrade Nikola Tesla
Sat 9/5
6:15 am-5:50 pm
2 stops20h 35m
$922
Showing 1-10 of 17 resultsSorted 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 July 26, 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.
Food
7.3
Overall
7.8
Comfort
7.7
Boarding
7.8
Crew
8.4
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Food
7.3
Overall
7.8
Comfort
7.7
Boarding
7.8
Crew
8.4
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Food
7.3
Overall
7.8
Comfort
7.7
Boarding
7.8
Crew
8.4
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - 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.
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Alternative routes for Portland to Serbia
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Portland and Serbia flights
Browse other Portland and Serbia flight options. Last updated on July 26, 2026.
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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 July 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$583 | Average$960 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$657 | Average$880 | FlexibilityNo cancel fee | On-timeN/A |