Most accurate provider | AranGrant 3 stars |
---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $707 (Air Canada) |
One-way from | $409 (United Airlines) |
Popular in | December |
Cheapest in | February |
Average price | $1,056 |
Fly from
Fly to
Route
Depart
Return
Price
PortlandSingapore
PDX - SIN
PDXSIN
Portland
Thu 9/4
7:40 pm-7:05 am
1 stop20h 25m
Singapore Changi
Thu 9/25
9:10 am-2:46 pm
1 stop20h 36m
PortlandSingapore
PDX - SIN
PDXSIN
Portland
Mon 10/13
11:59 pm-7:05 am
2 stops40h 06m
Singapore Changi
Wed 10/29
8:25 am-2:44 pm
2 stops21h 19m
BoiseSingapore
BOI - SIN
BOISIN
Boise Air Term. Gowen Fld
Thu 5/8
10:46 am-11:40 pm
2 stops22h 54m
Singapore Changi
Mon 5/12
10:30 pm-7:09 pm
2 stops34h 39m
PortlandSingapore
PDX - SIN
PDXSIN
Portland
Wed 9/17
7:03 am-7:10 pm
1 stop21h 07m
Singapore Changi
Tue 9/30
9:00 am-12:24 pm
1 stop18h 24m
BoiseSingapore
BOI - SIN
BOISIN
Boise Air Term. Gowen Fld
Mon 9/15
10:38 am-5:00 am
2 stops28h 22m
Singapore Changi
Thu 9/25
7:30 am-10:07 pm
2 stops28h 37m
PortlandSingapore
PDX - SIN
PDXSIN
Portland
Thu 5/8
9:10 am-11:40 pm
2 stops23h 30m
Singapore Changi
Wed 5/14
1:10 am-2:50 pm
2 stops28h 40m
PortlandSingapore
PDX - SIN
PDXSIN
Portland
Mon 9/29
7:35 pm-6:15 am
1 stop19h 40m
Singapore Changi
Thu 10/9
8:45 am-2:43 pm
1 stop20h 58m
PortlandSingapore
PDX - SIN
PDXSIN
Portland
Thu 9/4
7:10 am-5:00 am
2 stops30h 50m
Singapore Changi
Wed 9/24
1:10 am-5:06 pm
2 stops30h 56m
BoiseSingapore
BOI - SIN
BOISIN
Boise Air Term. Gowen Fld
Wed 10/1
7:45 am-6:25 pm
1 stop20h 40m
Singapore Changi
Fri 10/10
8:45 am-4:58 pm
1 stop22h 13m
PortlandSingapore
PDX - SIN
PDXSIN
Portland
Wed 10/15
5:30 am-12:45 am
2 stops28h 15m
Singapore Changi
Wed 10/29
6:35 am-2:42 pm
2 stops23h 07m
Currently, September is the cheapest month in which you can book a flight from Oregon to Singapore (average of $1,011). Flying from Oregon to Singapore in December is currently the most expensive (average of $1,684). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oregon to Singapore as you normally would.
In terms of precipitation, rainfall in Singapore ranges from 5.9 - 10.6 inches per month. December is typically the wettest month, when rainfall can reach 10.6 in. July is typically the driest time to visit Singapore when rainfall is around 5.9 in.
If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 78.8 F).
Food
Boarding
Entertainment
Comfort
Crew
Overall
Reviews
Chris,Mar 2025
SEA - ICN
Food
Boarding
Entertainment
Comfort
Crew
Overall
Reviews
Chris,Mar 2025
SEA - ICN
Food
Boarding
Entertainment
Comfort
Crew
Overall
Reviews
Chris,Mar 2025
SEA - ICN
Food
Boarding
Entertainment
Comfort
Crew
Overall
Reviews
Chris,Mar 2025
SEA - ICN
Food
Boarding
Entertainment
Comfort
Crew
Overall
Reviews
Chris,Mar 2025
SEA - ICN
Food
Boarding
Entertainment
Comfort
Crew
Overall
Reviews
Chris,Mar 2025
SEA - ICN
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$727 | Average$883 | FlexibilityNo cancel fee | On-time67% | |
Cheapest$800 | Average$921 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$845 | Average$1,217 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$930 | Average$931 | FlexibilityNo cancel fee | On-time81% | |
Cheapest$1,009 | Average$1,257 | FlexibilityNo cancel fee | On-time81% |