AirHint found the following cheapest return flights from Portland (PDX) to Amsterdam (AMS) in October 2025 (see full year).

Return flights

20 Oct - 05 Nov	Icelandair
22 Oct - 05 Nov	Delta	direct
20 Oct - 05 Nov	Delta	direct
04 Oct - 17 Oct	Icelandair
22 Oct - 29 Oct	Delta	direct
30 Oct - 06 Nov	United
15 Oct - 08 Nov	Hawaiian Airlines
13 Oct - 21 Oct	United
14 Oct - 21 Oct	United
15 Oct - 25 Oct	Delta	direct
08 Oct - 01 Nov	Hawaiian Airlines
06 Oct - 01 Nov	Allegiant Air
17 Oct - 25 Oct	KLM	direct
11 Oct - 18 Oct	Icelandair
11 Oct - 18 Oct	Delta	direct

Also check the deals for one-way flights from Portland to Amsterdam in October.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Amsterdam

Cheap car rent in Amsterdam

Cheapest return flights from Portland to Amsterdam in October from 573€

Return flights