Find the best flight rates from Singapore to Portland
expand_more
location_on
location_on
Try alternate month or interact with individual days below in order to find offers.
Jul 2025
No result for this month.
Aug 2025
No result for this month.
Sep 2025
No result for this month.
Oct 2025
No result for this month.
Nov 2025
No result for this month.
Dec 2025
FromSGD 1,303*
Seen: 2 hrs ago
Round Trip/Economy
Displaying fares for July-2025
03
T
JUL
04
F
05
S
06
S
07
M
08
T
09
W
10
T
11
F
12
S
13
S
14
M
15
T
16
W
17
T
18
F
19
S
20
S
21
M
22
T
23
W
24
T
25
F
26
S
27
S
28
M
29
T
30
W
31
T
01
F
AUG
02
S
*Fares include taxes, fees, and surcharges. These fares have been collected within the last 48 hours and may not be available at booking. Fares may vary due to exchange rate fluctuations upon booking. Blackout dates apply.
