Cheap flight from Portland to Belgrade from SGD 1,109

Frequently Asked Questions

• What are the cheapest flights from Portland to Belgrade (PWM-BEG)?

  Based on Trip.com data, United Airlines offers one-way fares as low as SGD 636 on Cheapest nonstop routes (e.g. PWM to BEG on Wed, Nov 19), while American Airlines offers Cheapest nonstop round-trips from SGD 1,109 departing on Fri, Nov 14 and returning on Fri, Nov 21.

• When is the best time to book flights from Portland to Belgrade?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Portland to Belgrade is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Portland to Belgrade?

  To find best deals on flights from Portland to Belgrade, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Nov 19, with one-way flights priced at just SGD 636.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Belgrade travel is around December.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Portland (PWM) to Belgrade (BEG) the cheapest?

  The cheapest months to fly from Portland to Belgrade is April, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Portland to Belgrade on?

  After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Portland to Belgrade on October 11, 2025 with Air Serbia, with prices starting at SGD 1,128.

• Is there any time difference between Portland and Belgrade?

  The time difference between Belgrade and Portland is 6h.

• How do I change or cancel my ticket from Portland to Belgrade?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.