Cheap International Flights from Portland in September
Fares shown are modelled estimates, not live quotes.
Save a price alert
Fare reviews and notifications are paused while the fare feed moves to a new provider. You can save a route now.
September Travel Tip
A strong month for Europe. Shoulder season starts and prices often ease from peak.
Best Destinations from Portland in September
PDX → GLA
Glasgow
United Kingdom
Est. $384
round trip
~10h flight time
PDX → EDI
Edinburgh
United Kingdom
Est. $386
round trip
~10h flight time
PDX → DUB
Dublin
Ireland
Est. $390
round trip
~10h flight time
PDX → MAN
Manchester
United Kingdom
Est. $399
round trip
~11h flight time
PDX → BHX
Birmingham
United Kingdom
Est. $405
round trip
~11h flight time
PDX → LHR
London
United Kingdom
Est. $412
round trip
~11h flight time
PDX → TLL
Tallinn
Estonia
Est. $416
round trip
~11h flight time
PDX → CPH
Copenhagen
Denmark
Est. $418
round trip
~11h flight time
PDX → AMS
Amsterdam
Netherlands
Est. $419
round trip
~11h flight time
Best Regions from Portland in September
Related Reading
Frequently Asked Questions
What are the cheapest destinations from Portland in September?
In September, some of the most affordable destinations from Portland include Glasgow (est. $384 RT), Edinburgh (est. $386 RT), Dublin (est. $390 RT). Prices vary by booking window.
Is September cheap to fly from Portland?
A strong month for Europe. Shoulder season starts and prices often ease from peak.
How far ahead should I book flights from Portland in September?
For September departures from Portland, booking 6–10 weeks in advance typically yields the best fares. For peak months like July and December, book 3–4 months early. Fare reviews and notifications are paused during the provider migration.
Save a price alert
Fare reviews and notifications are paused while the fare feed moves to a new provider. You can save a route now.
Your saved route will be waiting when fare reviews resume.
Create a price alert