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Cheap flights from Portland to Serbia from $338

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Serbia departing on 10/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Portland to Serbia

Cheap round-trip flights

Multiple Airlines Logo
7:40 pm - 7:10 pmPDX-BEG
38h 30m2 stops
Multiple Airlines Logo
6:15 am - 6:30 pmBEG-PDX
21h 15m2 stops
$551Multiple Airlines
Find Deal
Mon, Oct 6 - Fri, Nov 14
Air Canada Logo
6:15 am - 12:45 pmPDX-BEG
22h 30m2 stops
Air Canada Logo
6:15 am - 9:15 amBEG-PDX
36h 00m2 stops
$579Air Canada
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Sun, Oct 26 - Fri, Nov 7
Air Canada Logo
7:40 pm - 12:35 pmPDX-BEG
31h 55m2 stops
Air Canada Logo
6:15 am - 9:15 amBEG-PDX
36h 00m3 stops
$582Air Canada
Find Deal
Mon, Oct 6 - Fri, Nov 14
United Airlines Logo
11:59 pm - 1:05 pmPDX-BEG
29h 06m2 stops
United Airlines Logo
1:50 pm - 12:26 amBEG-PDX
19h 36m2 stops
$596United Airlines
Find Deal
Mon, Oct 27 - Fri, Nov 7
United Airlines Logo
10:05 am - 12:50 pmPDX-BEG
18h 45m2 stops
United Airlines Logo
1:50 pm - 6:40 pmBEG-PDX
37h 50m2 stops
$616United Airlines
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Mon, Oct 27 - Mon, Nov 3
KLM Logo
2:25 pm - 11:25 pmPDX-BEG
25h 00m1 stop
KLM Logo
6:05 am - 11:25 amBEG-PDX
14h 20m1 stop
$618KLM
Find Deal
Wed, Oct 29 - Wed, Nov 5
Delta Logo
5:40 am - 11:55 amPDX-BEG
46h 15m2 stops
Delta Logo
6:05 am - 11:25 amBEG-PDX
14h 20m1 stop
$623Delta
Find Deal
Sun, Oct 26 - Fri, Nov 7
Delta Logo
2:25 pm - 11:55 amPDX-BEG
13h 30m1 stop
Delta Logo
12:35 pm - 5:27 pmBEG-PDX
37h 52m2 stops
$628Delta
Find Deal
Sun, Oct 26 - Mon, Nov 3
Air France Logo
7:15 am - 11:40 amPDX-BEG
19h 25m2 stops
Air France Logo
6:30 am - 7:30 pmBEG-PDX
22h 00m2 stops
$645Air France
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Wed, Oct 1 - Tue, Nov 18
KLM Logo
1:15 pm - 10:55 pmPDX-BEG
24h 40m1 stop
KLM Logo
6:05 am - 11:25 amBEG-PDX
14h 20m1 stop
$678KLM
Find Deal
Mon, Oct 6 - Wed, Nov 19

Air Canada flights from Portland to Serbia

Our best Air Canada deals on Portland to Serbia flight tickets
Air Canada
Oct 26
PDX6:15 amPortland
22h 30m
2 stops
BEG12:45 pmBelgrade Nikola Tesla
Nov 7
BEG6:15 amBelgrade Nikola Tesla
36h 00m
2 stops
PDX9:15 amPortland
$579
Find similar
Air Canada
Oct 6
PDX7:40 pmPortland
31h 55m
2 stops
BEG12:35 pmBelgrade Nikola Tesla
Nov 14
BEG6:15 amBelgrade Nikola Tesla
36h 00m
3 stops
PDX9:15 amPortland
$582
Find similar
Air Canada
Oct 26
PDX6:15 amPortland
22h 30m
2 stops
BEG12:45 pmBelgrade Nikola Tesla
Nov 3
BEG1:30 pmBelgrade Nikola Tesla
52h 45m
2 stops
PDX9:15 amPortland
$585
Find similar

KLM flights from Portland to Serbia

Our best KLM deals on Portland to Serbia flight tickets
KLM
Oct 29
PDX2:25 pmPortland
25h 00m
1 stop
BEG11:25 pmBelgrade Nikola Tesla
Nov 5
BEG6:05 amBelgrade Nikola Tesla
14h 20m
1 stop
PDX11:25 amPortland
$618
Find similar
KLM
Oct 6
PDX1:15 pmPortland
24h 40m
1 stop
BEG10:55 pmBelgrade Nikola Tesla
Nov 19
BEG6:05 amBelgrade Nikola Tesla
14h 20m
1 stop
PDX11:25 amPortland
$678
Find similar
KLM
Oct 6
PDX7:12 amPortland
20h 03m
2 stops
BEG12:15 pmBelgrade Nikola Tesla
Nov 14
BEG6:05 amBelgrade Nikola Tesla
14h 20m
1 stop
PDX11:25 amPortland
$682
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 16, 2025.
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

Price

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Mon 10/6

7:40 pm-7:10 pm

2 stops38h 30m

Belgrade Nikola Tesla

Fri 11/14

6:15 am-6:30 pm

2 stops21h 15m

$551

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Sun 10/26

6:15 am-12:45 pm

2 stops22h 30m

Belgrade Nikola Tesla

Fri 11/7

6:15 am-9:15 am

2 stops36h 00m

$579

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Mon 10/6

7:40 pm-12:35 pm

2 stops31h 55m

Belgrade Nikola Tesla

Fri 11/14

6:15 am-9:15 am

3 stops36h 00m

$582

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Mon 10/27

11:59 pm-1:05 pm

2 stops29h 06m

Belgrade Nikola Tesla

Fri 11/7

1:50 pm-12:26 am

2 stops19h 36m

$596

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Mon 10/27

10:05 am-12:50 pm

2 stops18h 45m

Belgrade Nikola Tesla

Mon 11/3

1:50 pm-6:40 pm

2 stops37h 50m

$616

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 10/29

2:25 pm-11:25 pm

1 stop25h 00m

Belgrade Nikola Tesla

Wed 11/5

6:05 am-11:25 am

1 stop14h 20m

$618

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Sun 10/26

5:40 am-11:55 am

2 stops46h 15m

Belgrade Nikola Tesla

Fri 11/7

6:05 am-11:25 am

1 stop14h 20m

$623

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Sun 10/26

2:25 pm-11:55 am

1 stop13h 30m

Belgrade Nikola Tesla

Mon 11/3

12:35 pm-5:27 pm

2 stops37h 52m

$628

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 10/1

7:15 am-11:40 am

2 stops19h 25m

Belgrade Nikola Tesla

Tue 11/18

6:30 am-7:30 pm

2 stops22h 00m

$645

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Mon 10/6

1:15 pm-10:55 pm

1 stop24h 40m

Belgrade Nikola Tesla

Wed 11/19

6:05 am-11:25 am

1 stop14h 20m

$678

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Serbia from

How to get the cheapest flight ticket from Portland to Serbia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Serbia?

According to our data, Wednesday is the cheapest day to fly to Serbia from Portland. The lowest ticket price found for a Wednesday departure recently was $843. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Serbia is Thursday, with ticket prices averaging around $1,426.

Cheap Portland to Serbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Serbia

Direct flights

None
There are no direct flights from Portland to Serbia. There are no popular flight routes from Portland to Serbia.
Search flight deals

  • When did momondo last update prices for flights from Portland Airport to Serbia?

    Prices for flights from Portland Airport to Serbia were last updated today.

  • How many operators does momondo search for flights from Portland Airport to Serbia?

  • How old do you have to be to fly from Portland Airport to Serbia?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Serbia.

  • What documentation or ID do you need to fly to Serbia?

    The required travel and health documents for your Serbia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Serbia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Portland to Serbia

Compare and see reviews for airlines that fly from Portland to Serbia with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $668Free CancellationRating
7.9
7,957 reviews
Search Delta flights
KLMPriceFrom $707Free CancellationRating
7.8
1,386 reviews
Search KLM flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Serbia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Serbia for you.

Can I find flights from Portland to Serbia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Serbia from Portland with this policy.

How can momondo help me find flights from Portland to Serbia?

momondo provides multiple filters to help you find the best flight to Serbia from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Portland to Serbia right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Serbia, momondo offers a useful price alert feature which will track prices for flights to Serbia from Portland and alert you when they change.

An easier way to manage your Serbia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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