What is the cheapest airline that flies from Oregon to Singapore?

United Airlines, American Airlines, and Air India are the most popular carriers operating from Oregon to Singapore

How long is the flight from Oregon to Singapore?

Flight times from Oregon to Singapore vary, but if you’re flying out of Portland and flying into Singapore (one of the most popular routes), then the duration is 20h 35m on average. Another popular route from Oregon to Singapore is flying from Eugene to Singapore, which will take roughly 26h 55m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Singapore?

Air Canada, Singapore Airlines and United Airlines are the top three most popular airlines that fly to Singapore from Oregon according to our data. Air Canada is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Singapore. Keep in mind that there are 3 different airlines that fly to Singapore on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Oregon to Singapore?

Prices for flights from Oregon to Singapore refresh daily.

How many operators does momondo search for flights from Oregon to Singapore?

There are 3 operators available for flights from Oregon to Singapore as of June 2026.

How old do you have to be to fly from Oregon to Singapore?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Oregon to Singapore.

What documentation or ID do you need to fly to Singapore?

The travel and health documents you'll need for your trip to Singapore may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Singapore. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$413 Cheap Flights from Oregon to Singapore in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Oregon to Singapore

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:15 am - 6:15 am

PDX

SIN

28h 00m

1 stop

8:35 pm - 10:11 am

SIN

PDX

28h 36m

1 stop

$891United Airlines

Mon, Aug 17 - Tue, Sep 1

10:50 am - 6:15 am

PDX

SIN

28h 25m

2 stops

8:45 am - 9:05 pm

SIN

PDX

27h 20m

2 stops

$895United Airlines

Mon, Aug 17 - Tue, Sep 1

7:15 pm - 6:35 pm

PDX

SIN

32h 20m

1 stop

8:45 am - 2:27 pm

SIN

PDX

20h 42m

1 stop

$897United Airlines

Sun, Sep 6 - Mon, Oct 19

12:45 pm - 6:15 am

PDX

SIN

26h 30m

2 stops

11:05 am - 10:45 pm

SIN

PDX

26h 40m

2 stops

$906United Airlines

Tue, Aug 25 - Mon, Sep 7

5:30 am - 12:55 am

PDX

SIN

27h 25m

2 stops

6:35 am - 6:31 pm

SIN

PDX

27h 56m

2 stops

$912ANA

Thu, Nov 12 - Thu, Dec 10

10:00 am - 7:00 am

PDX

SIN

29h 00m

1 stop

8:40 am - 9:26 am

SIN

PDX

16h 46m

1 stop

$918Air Canada

Wed, Nov 11 - Tue, Dec 8

8:57 am - 8:50 am

BOI

SIN

33h 53m

2 stops

3:15 am - 9:20 pm

SIN

BOI

32h 05m

2 stops

$1,100Qatar Airways

Mon, Oct 19 - Fri, Oct 30

7:07 pm - 5:25 am

BOI

SIN

44h 18m

2 stops

10:10 am - 10:45 pm

SIN

BOI

50h 35m

2 stops

$1,112Multiple Airlines

Wed, Jul 8 - Tue, Jul 14

6:47 pm - 9:15 pm

BOI

SIN

60h 28m

2 stops

7:40 pm - 9:20 pm

SIN

BOI

39h 40m

2 stops

$1,135Qatar Airways

Wed, Sep 30 - Wed, Oct 14

10:14 am - 9:30 pm

BOI

SIN

45h 16m

2 stops

9:05 am - 9:20 pm

SIN

BOI

26h 15m

1 stop

$1,137Multiple Airlines

Wed, Sep 30 - Wed, Oct 14

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United Airlines flights from Oregon to Singapore

Our best United Airlines deals on Oregon to Singapore flight tickets

United Airlines

Aug 17

PDX11:15 amPortland

28h 00m

1 stop

SIN6:15 amSingapore Changi

Sep 1

SIN8:35 pmSingapore Changi

28h 36m

1 stop

PDX10:11 amPortland

$891

United Airlines

Aug 17

PDX10:50 amPortland

28h 25m

2 stops

SIN6:15 amSingapore Changi

Sep 1

SIN8:45 amSingapore Changi

27h 20m

2 stops

PDX9:05 pmPortland

$895

United Airlines

Sep 6

PDX7:15 pmPortland

32h 20m

1 stop

SIN6:35 pmSingapore Changi

Oct 19

SIN8:45 amSingapore Changi

20h 42m

1 stop

PDX2:27 pmPortland

$897

Delta flights from Oregon to Singapore

Our best Delta deals on Oregon to Singapore flight tickets

Delta

Aug 15

PDX7:05 amPortland

25h 50m

2 stops

SIN11:55 pmSingapore Changi

Aug 30

SIN1:25 amSingapore Changi

30h 49m

2 stops

PDX5:14 pmPortland

$1,004

Delta

Aug 15

BOI8:45 amBoise Air Term. Gowen Fld

30h 15m

2 stops

SIN5:00 amSingapore Changi

Aug 22

SIN10:00 pmSingapore Changi

38h 30m

2 stops

BOI10:30 pmBoise Air Term. Gowen Fld

$1,169

Delta

Jul 8

PDX12:33 amPortland

32h 22m

2 stops

SIN11:55 pmSingapore Changi

Jul 13

SIN1:25 amSingapore Changi

30h 41m

2 stops

PDX5:06 pmPortland

$1,753

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Mon 8/17

11:15 am-6:15 am

1 stop28h 00m

Singapore Changi

Tue 9/1

8:35 pm-10:11 am

1 stop28h 36m

$891

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Mon 8/17

10:50 am-6:15 am

2 stops28h 25m

Singapore Changi

Tue 9/1

8:45 am-9:05 pm

2 stops27h 20m

$895

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Sun 9/6

7:15 pm-6:35 pm

1 stop32h 20m

Singapore Changi

Mon 10/19

8:45 am-2:27 pm

1 stop20h 42m

$897

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Tue 8/25

12:45 pm-6:15 am

2 stops26h 30m

Singapore Changi

Mon 9/7

11:05 am-10:45 pm

2 stops26h 40m

$906

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Thu 11/12

5:30 am-12:55 am

2 stops27h 25m

Singapore Changi

Thu 12/10

6:35 am-6:31 pm

2 stops27h 56m

$912

Quickest round-trip

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 11/11

10:00 am-7:00 am

1 stop29h 00m

Singapore Changi

Tue 12/8

8:40 am-9:26 am

1 stop16h 46m

$918

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Mon 10/19

8:57 am-8:50 am

2 stops33h 53m

Singapore Changi

Fri 10/30

3:15 am-9:20 pm

2 stops32h 05m

$1,100

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Wed 7/8

7:07 pm-5:25 am

2 stops44h 18m

Singapore Changi

Tue 7/14

10:10 am-10:45 pm

2 stops50h 35m

$1,112

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Wed 9/30

6:47 pm-9:15 pm

2 stops60h 28m

Singapore Changi

Wed 10/14

7:40 pm-9:20 pm

2 stops39h 40m

$1,135

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Wed 9/30

10:14 am-9:30 pm

2 stops45h 16m

Singapore Changi

Wed 10/14

9:05 am-9:20 pm

1 stop26h 15m

$1,137

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Oregon to Singapore

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Singapore?

The month of August is, on average, the cheapest month to fly to Singapore from Oregon, with most prices found around $209. If you aren’t able to travel to Singapore during the month of August, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $718.

How far in advance should I book a flight from Oregon to Singapore?

You are more likely to see cheaper flights to Singapore from Oregon when booking weeks ahead of your departure date. In general, you can expect to find flights to Singapore for around $1,091 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Singapore from Oregon for as low as $822 on momondo.

Can stopping save me money on Oregon to Singapore flights?

You could potentially save up to 11% on your flight if you consider stops on a Oregon to Singapore flight.

Cheap Oregon to Singapore flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oregon to Singapore

Fastest flight time	20h 35m
Direct flights	None

The fastest flight from Oregon to Singapore takes 20h 35m

There are no direct flights from Oregon to Singapore. There are no popular flight routes from Oregon to Singapore.

Search flight deals

Frequently asked questions about flying from Oregon to Singapore

When did momondo last update prices for flights from Oregon to Singapore?
Prices for flights from Oregon to Singapore refresh daily.
How many operators does momondo search for flights from Oregon to Singapore?
There are 3 operators available for flights from Oregon to Singapore as of June 2026.
How old do you have to be to fly from Oregon to Singapore?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Oregon to Singapore.
What documentation or ID do you need to fly to Singapore?
The travel and health documents you'll need for your trip to Singapore may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Singapore. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Oregon to Singapore

Compare and see reviews for airlines that fly from Oregon to Singapore with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $726	Free Cancellation	Rating 7.1 11,258 reviews	Search Air Canada flights
Singapore Airlines	PriceFrom $837	Free Cancellation	Rating 8.2 1,555 reviews	Search Singapore Airlines flights
United Airlines	PriceFrom $1,024	Free Cancellation	Rating 7.4 9,889 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Oregon to Singapore?

Finding the right flight to Singapore from Oregon is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Singapore quick and easy, saving you time and money.

Can I find flights from Oregon to Singapore with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Singapore from Oregon with this policy.

How can momondo help me find flights from Oregon to Singapore?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Oregon to Singapore.

I’m not ready to book a flight from Oregon to Singapore right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Singapore from Oregon. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Oregon to Singapore from $413

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Singapore departing on 8/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Oregon to Singapore

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Delta flights from Oregon to Singapore

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See travel insights to Singapore from

How to get the cheapest flight ticket from Oregon to Singapore

What is the cheapest month to fly to Singapore?

How far in advance should I book a flight from Oregon to Singapore?

Can stopping save me money on Oregon to Singapore flights?

What is the cheapest airline that flies from Oregon to Singapore?

What airlines fly to Singapore?

How long is the flight from Oregon to Singapore?

Cheap Oregon to Singapore flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oregon to Singapore

Fastest flight time

Direct flights

Frequently asked questions about flying from Oregon to Singapore

Best airlines flying from Oregon to Singapore

Compare and see reviews for airlines that fly from Oregon to Singapore with momondo

Why use momondo?

An easier way to manage your Singapore trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Singapore

Popular cities in Singapore

Popular flights according to clicks in the last 7 days on momondo

Oregon flight routes

According to popular flight searches on momondo this year

Singapore flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Singapore

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Singapore

List of cabin classes available on flights landing in Singapore. Availability may vary depending on flight origin and airline.

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According to popular flight searches on momondo this year