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Cheap flights from Portland to Serbia from $274

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 10/17. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Serbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
7:10 pm - 1:00 pmPDX  Portland-BEG Belgrade Nikola Tesla
32h 50m2 stops Vancouver Intl Munich Franz Josef Strauss
Air Canada Logo
6:15 am - 6:31 pmBEG  Belgrade Nikola Tesla-PDX Portland
21h 16m2 stops Frankfurt am Main Vancouver Intl
$740Air Canada
Mon, Feb 1 - Fri, Feb 5
Delta Logo
11:22 am - 11:55 amPDX  Portland-BEG Belgrade Nikola Tesla
15h 33m2 stops Seattle/Tacoma Intl Amsterdam Schiphol
Delta Logo
12:35 pm - 11:10 amBEG  Belgrade Nikola Tesla-PDX Portland
31h 35m1 stop Amsterdam Schiphol
$842Delta
Mon, Sep 7 - Mon, Sep 21
Delta Logo
6:00 am - 11:55 amPDX  Portland-BEG Belgrade Nikola Tesla
20h 55m2 stops Minneapolis St Paul Amsterdam Schiphol
Delta Logo
12:35 pm - 11:10 amBEG  Belgrade Nikola Tesla-PDX Portland
31h 35m1 stop Amsterdam Schiphol
$842Delta
Mon, Sep 7 - Wed, Sep 23
Multiple Airlines Logo
7:00 am - 12:30 pmPDX  Portland-BEG Belgrade Nikola Tesla
20h 30m2 stops San Francisco Munich Franz Josef Strauss
Multiple Airlines Logo
6:15 am - 9:31 amBEG  Belgrade Nikola Tesla-PDX Portland
36h 16m2 stops Munich Franz Josef Strauss Vancouver Intl
$842Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Delta Logo
9:29 am - 11:55 amPDX  Portland-BEG Belgrade Nikola Tesla
17h 26m2 stops Seattle/Tacoma Intl Amsterdam Schiphol
Delta Logo
6:15 am - 11:10 amBEG  Belgrade Nikola Tesla-PDX Portland
13h 55m1 stop Amsterdam Schiphol
$842Delta
Mon, Sep 7 - Fri, Sep 25
United Airlines Logo
5:00 am - 10:05 pmPDX  Portland-BEG Belgrade Nikola Tesla
32h 05m2 stops Denver Intl Munich Franz Josef Strauss
United Airlines Logo
1:05 pm - 10:57 pmBEG  Belgrade Nikola Tesla-PDX Portland
18h 52m2 stops Munich Franz Josef Strauss San Francisco
$852United Airlines
Sun, Sep 13 - Wed, Sep 23
United Airlines Logo
9:00 am - 4:30 pmPDX  Portland-BEG Belgrade Nikola Tesla
22h 30m2 stops San Francisco Munich Franz Josef Strauss
United Airlines Logo
6:15 am - 12:34 amBEG  Belgrade Nikola Tesla-PDX Portland
27h 19m2 stops Munich Franz Josef Strauss San Francisco
$852United Airlines
Tue, Sep 8 - Fri, Sep 25
KLM Logo
7:10 am - 11:55 amPDX  Portland-BEG Belgrade Nikola Tesla
19h 45m2 stops New York John F Kennedy Intl Amsterdam Schiphol
KLM Logo
6:15 am - 11:10 amBEG  Belgrade Nikola Tesla-PDX Portland
13h 55m1 stop Amsterdam Schiphol
$892KLM
Fri, Sep 11 - Wed, Sep 23
KLM Logo
7:10 am - 11:55 amPDX  Portland-BEG Belgrade Nikola Tesla
19h 45m2 stops New York John F Kennedy Intl Amsterdam Schiphol
KLM Logo
6:15 am - 11:10 amBEG  Belgrade Nikola Tesla-PDX Portland
13h 55m1 stop Amsterdam Schiphol
$892KLM
Fri, Sep 11 - Thu, Sep 24
KLM Logo
7:10 am - 11:55 amPDX  Portland-BEG Belgrade Nikola Tesla
19h 45m2 stops New York John F Kennedy Intl Amsterdam Schiphol
KLM Logo
6:15 am - 5:31 pmBEG  Belgrade Nikola Tesla-PDX Portland
20h 16m2 stops Amsterdam Schiphol Minneapolis St Paul
$902KLM
Fri, Sep 11 - Thu, Sep 24

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Air Canada flights from Portland to Serbia

Our best Air Canada deals on Portland to Serbia flight tickets
Air Canada
Feb 1
PDX7:10 pmPortland
32h 50m
2 stops
BEG1:00 pmBelgrade Nikola Tesla
Feb 5
BEG6:15 amBelgrade Nikola Tesla
21h 16m
2 stops
PDX6:31 pmPortland
$740
Air Canada
Aug 17
PDX7:45 pmPortland
35h 20m
2 stops
BEG4:05 pmBelgrade Nikola Tesla
Sep 17
BEG1:10 pmBelgrade Nikola Tesla
29h 21m
2 stops
PDX9:31 amPortland
$943
Air Canada
Nov 6
PDX7:00 amPortland
20h 50m
2 stops
BEG12:50 pmBelgrade Nikola Tesla
Nov 29
BEG6:15 amBelgrade Nikola Tesla
23h 31m
3 stops
PDX8:46 pmPortland
$1,071

United Airlines flights from Portland to Serbia

Our best United Airlines deals on Portland to Serbia flight tickets
United Airlines
Sep 7
PDX5:00 amPortland
32h 05m
2 stops
BEG10:05 pmBelgrade Nikola Tesla
Sep 25
BEG6:15 amBelgrade Nikola Tesla
25h 42m
2 stops
PDX10:57 pmPortland
$852
United Airlines
Sep 8
PDX7:10 amPortland
20h 10m
2 stops
BEG12:20 pmBelgrade Nikola Tesla
Sep 22
BEG6:20 amBelgrade Nikola Tesla
17h 26m
2 stops
PDX2:46 pmPortland
$854
United Airlines
Sep 12
PDX11:02 pmPortland
28h 43m
2 stops
BEG12:45 pmBelgrade Nikola Tesla
Sep 23
BEG1:05 pmBelgrade Nikola Tesla
18h 52m
2 stops
PDX10:57 pmPortland
$863

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 August 13, 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

Price

Cheapest round-trip

PortlandBelgrade

PDX Portland - BEG Belgrade Nikola Tesla

PDXBEG

Portland

Mon 2/1

7:10 pm-1:00 pm

2 stops32h 50m

Belgrade Nikola Tesla

Fri 2/5

6:15 am-6:31 pm

2 stops21h 16m

$740

PortlandBelgrade

PDX Portland - BEG Belgrade Nikola Tesla

PDXBEG

Portland

Mon 9/7

11:22 am-11:55 am

2 stops15h 33m

Belgrade Nikola Tesla

Mon 9/21

12:35 pm-11:10 am

1 stop31h 35m

$842

PortlandBelgrade

PDX Portland - BEG Belgrade Nikola Tesla

PDXBEG

Portland

Mon 9/7

6:00 am-11:55 am

2 stops20h 55m

Belgrade Nikola Tesla

Wed 9/23

12:35 pm-11:10 am

1 stop31h 35m

$842

PortlandBelgrade

PDX Portland - BEG Belgrade Nikola Tesla

PDXBEG

Portland

Wed 9/9

7:00 am-12:30 pm

2 stops20h 30m

Belgrade Nikola Tesla

Wed 9/16

6:15 am-9:31 am

2 stops36h 16m

$842
Quickest round-trip

PortlandBelgrade

PDX Portland - BEG Belgrade Nikola Tesla

PDXBEG

Portland

Mon 9/7

9:29 am-11:55 am

2 stops17h 26m

Belgrade Nikola Tesla

Fri 9/25

6:15 am-11:10 am

1 stop13h 55m

$842

PortlandBelgrade

PDX Portland - BEG Belgrade Nikola Tesla

PDXBEG

Portland

Sun 9/13

5:00 am-10:05 pm

2 stops32h 05m

Belgrade Nikola Tesla

Wed 9/23

1:05 pm-10:57 pm

2 stops18h 52m

$852

PortlandBelgrade

PDX Portland - BEG Belgrade Nikola Tesla

PDXBEG

Portland

Tue 9/8

9:00 am-4:30 pm

2 stops22h 30m

Belgrade Nikola Tesla

Fri 9/25

6:15 am-12:34 am

2 stops27h 19m

$852

PortlandBelgrade

PDX Portland - BEG Belgrade Nikola Tesla

PDXBEG

Portland

Fri 9/11

7:10 am-11:55 am

2 stops19h 45m

Belgrade Nikola Tesla

Wed 9/23

6:15 am-11:10 am

1 stop13h 55m

$892

PortlandBelgrade

PDX Portland - BEG Belgrade Nikola Tesla

PDXBEG

Portland

Fri 9/11

7:10 am-11:55 am

2 stops19h 45m

Belgrade Nikola Tesla

Thu 9/24

6:15 am-11:10 am

1 stop13h 55m

$892

PortlandBelgrade

PDX Portland - BEG Belgrade Nikola Tesla

PDXBEG

Portland

Fri 9/11

7:10 am-11:55 am

2 stops19h 45m

Belgrade Nikola Tesla

Thu 9/24

6:15 am-5:31 pm

2 stops20h 16m

$902

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 month to fly to Serbia?

The cheapest month to fly to Serbia from Portland is in November. Flight prices, which tend to average around $657, are often lower during this time because this is during the off-season. If you are unable to visit Serbia during the month of November, then departing from Portland during the month January is also very affordable. Most momondo users find prices during this month for around $725.

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

13h 50m

Direct flights

None
The fastest flight from Portland to Serbia takes 13h 50m
There are no direct flights from Portland to Serbia. There are no popular flight routes from Portland to Serbia.
Search flight deals

Frequently asked questions about flying from Portland to Serbia

  • 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
KLMPriceFrom $627Free CancellationRating
7.8
1,557 reviews
Search KLM flights
DeltaPriceFrom $657Free CancellationRating
7.8
8,505 reviews
Search Delta 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

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