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Cheap flights from Portland to Serbia from $448

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 2/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Portland to Serbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
7:45 am - 5:05 pm
PDX
-
BEG
24h 20m2 stops
Lufthansa Logo
1:30 pm - 12:34 am
BEG
-
PDX
20h 04m2 stops
$547Lufthansa
Thu, Feb 5 - Thu, Feb 19
KLM Logo
1:25 pm - 11:25 pm
PDX
-
BEG
25h 00m1 stop
KLM Logo
12:35 pm - 11:25 am
BEG
-
PDX
31h 50m1 stop
$549KLM
Wed, Feb 4 - Thu, Feb 19
KLM Logo
7:00 am - 11:55 am
PDX
-
BEG
19h 55m2 stops
KLM Logo
6:05 am - 11:25 am
BEG
-
PDX
14h 20m1 stop
$554KLM
Thu, Feb 5 - Fri, Feb 20
Lufthansa Logo
7:45 am - 12:45 pm
PDX
-
BEG
20h 00m2 stops
Lufthansa Logo
5:50 pm - 6:55 pm
BEG
-
PDX
34h 05m2 stops
$557Lufthansa
Thu, Feb 5 - Wed, Feb 18
Lufthansa Logo
7:45 am - 12:55 pm
PDX
-
BEG
20h 10m2 stops
Lufthansa Logo
1:30 pm - 12:34 am
BEG
-
PDX
20h 04m2 stops
$558Lufthansa
Fri, Feb 6 - Thu, Feb 19
SWISS Logo
10:47 am - 7:10 pm
PDX
-
BEG
23h 23m2 stops
SWISS Logo
8:05 pm - 10:40 pm
BEG
-
PDX
35h 35m2 stops
$562SWISS
Wed, Feb 4 - Thu, Feb 19
KLM Logo
7:00 am - 11:55 am
PDX
-
BEG
19h 55m2 stops
KLM Logo
6:05 am - 8:30 pm
BEG
-
PDX
23h 25m2 stops
$564KLM
Wed, Feb 4 - Sat, Feb 21
SWISS Logo
10:47 am - 8:50 am
PDX
-
BEG
37h 03m3 stops
SWISS Logo
8:05 pm - 10:40 pm
BEG
-
PDX
35h 35m2 stops
$569SWISS
Wed, Feb 4 - Thu, Feb 19
Multiple Airlines Logo
7:05 pm - 12:45 pm
PDX
-
BEG
32h 40m2 stops
Multiple Airlines Logo
1:50 pm - 11:55 am
BEG
-
PDX
31h 05m3 stops
$575Multiple Airlines
Thu, Feb 5 - Wed, Feb 18
United Airlines Logo
10:47 am - 12:55 pm
PDX
-
BEG
17h 08m2 stops
United Airlines Logo
6:10 am - 6:10 pm
BEG
-
PDX
21h 00m2 stops
$584United Airlines
Fri, Feb 6 - Tue, Feb 10

Air Canada flights from Portland to Serbia

Our best Air Canada deals on Portland to Serbia flight tickets
Air Canada
Feb 5
PDX7:05 pmPortland
32h 50m
3 stops
BEG12:55 pmBelgrade Nikola Tesla
Feb 18
BEG1:50 pmBelgrade Nikola Tesla
31h 05m
3 stops
PDX11:55 amPortland
$592
Find similar
Air Canada
Feb 5
PDX7:05 pmPortland
32h 50m
3 stops
BEG12:55 pmBelgrade Nikola Tesla
Feb 20
BEG6:15 amBelgrade Nikola Tesla
21h 15m
3 stops
PDX6:30 pmPortland
$611
Find similar
Air Canada
Apr 25
PDX9:50 amPortland
21h 35m
3 stops
BEG4:25 pmBelgrade Nikola Tesla
May 2
BEG1:05 pmBelgrade Nikola Tesla
29h 25m
3 stops
PDX9:30 amPortland
$963
Find similar

Lufthansa flights from Portland to Serbia

Our best Lufthansa deals on Portland to Serbia flight tickets
Lufthansa
Feb 5
PDX7:45 amPortland
24h 20m
2 stops
BEG5:05 pmBelgrade Nikola Tesla
Feb 19
BEG1:30 pmBelgrade Nikola Tesla
20h 04m
2 stops
PDX12:34 amPortland
$547
Find similar
Lufthansa
Feb 5
PDX7:45 amPortland
20h 00m
2 stops
BEG12:45 pmBelgrade Nikola Tesla
Feb 18
BEG5:50 pmBelgrade Nikola Tesla
34h 05m
2 stops
PDX6:55 pmPortland
$557
Find similar
Lufthansa
Feb 6
PDX7:45 amPortland
20h 10m
2 stops
BEG12:55 pmBelgrade Nikola Tesla
Feb 19
BEG1:30 pmBelgrade Nikola Tesla
20h 04m
2 stops
PDX12:34 amPortland
$558
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 December 23, 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

Thu 2/5

7:45 am-5:05 pm

2 stops24h 20m

Belgrade Nikola Tesla

Thu 2/19

1:30 pm-12:34 am

2 stops20h 04m

$547

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 2/4

1:25 pm-11:25 pm

1 stop25h 00m

Belgrade Nikola Tesla

Thu 2/19

12:35 pm-11:25 am

1 stop31h 50m

$549

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Thu 2/5

7:00 am-11:55 am

2 stops19h 55m

Belgrade Nikola Tesla

Fri 2/20

6:05 am-11:25 am

1 stop14h 20m

$554

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Thu 2/5

7:45 am-12:45 pm

2 stops20h 00m

Belgrade Nikola Tesla

Wed 2/18

5:50 pm-6:55 pm

2 stops34h 05m

$557

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Fri 2/6

7:45 am-12:55 pm

2 stops20h 10m

Belgrade Nikola Tesla

Thu 2/19

1:30 pm-12:34 am

2 stops20h 04m

$558

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 2/4

10:47 am-7:10 pm

2 stops23h 23m

Belgrade Nikola Tesla

Thu 2/19

8:05 pm-10:40 pm

2 stops35h 35m

$562

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 2/4

7:00 am-11:55 am

2 stops19h 55m

Belgrade Nikola Tesla

Sat 2/21

6:05 am-8:30 pm

2 stops23h 25m

$564

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 2/4

10:47 am-8:50 am

3 stops37h 03m

Belgrade Nikola Tesla

Thu 2/19

8:05 pm-10:40 pm

2 stops35h 35m

$569

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Thu 2/5

7:05 pm-12:45 pm

2 stops32h 40m

Belgrade Nikola Tesla

Wed 2/18

1:50 pm-11:55 am

3 stops31h 05m

$575

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Fri 2/6

10:47 am-12:55 pm

2 stops17h 08m

Belgrade Nikola Tesla

Tue 2/10

6:10 am-6:10 pm

2 stops21h 00m

$584

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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

Fastest flight time

16h 20m

Direct flights

None
The fastest flight from Portland to Serbia takes 16h 20m
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 $657Free CancellationRating
7.9
8,013 reviews
Search Delta flights
KLMPriceFrom $706Free CancellationRating
7.7
1,432 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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