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Cheap flights from Ottawa to Singapore from C$ 639

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SIN
10 Jul — 17 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Singapore

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to Singapore
Explore the most affordable flight options available from Ottawa to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 June 2026.

Thu 20/86:25 a.m.
YOW
-
SIN
2 stops36h 15m
ANA
Sun 13/910:00 p.m.
SIN
-
YOW
2 stops35h 35m
ANA
Deal found 6/6C$ 1,580
Mon 21/92:52 p.m.
YOW
-
SIN
2 stops27h 23m
United Airlines
Wed 23/98:35 p.m.
SIN
-
YOW
2 stops25h 21m
United Airlines
Deal found 9/6C$ 1,584
Thu 10/910:25 a.m.
YOW
-
SIN
3 stops31h 50m
United Airlines
Mon 14/98:35 p.m.
SIN
-
YOW
2 stops29h 24m
United Airlines
Deal found 9/6C$ 1,585
Wed 19/86:25 a.m.
YOW
-
SIN
2 stops30h 20m
ANA
Sun 13/910:00 p.m.
SIN
-
YOW
2 stops35h 35m
ANA
Deal found 8/6C$ 1,591
Thu 24/96:25 a.m.
YOW
-
SIN
2 stops36h 15m
United Airlines
Mon 28/98:35 p.m.
SIN
-
YOW
2 stops32h 41m
United Airlines
Deal found 7/6C$ 1,598
Thu 16/710:25 a.m.
YOW
-
SIN
3 stops31h 50m
United Airlines
Sun 30/811:05 a.m.
SIN
-
YOW
2 stops43h 54m
United Airlines
Deal found 8/6C$ 1,599
Thu 20/810:25 a.m.
YOW
-
SIN
3 stops31h 50m
United Airlines
Sun 13/911:05 a.m.
SIN
-
YOW
2 stops48h 49m
United Airlines
Deal found 6/6C$ 1,604
Sat 24/106:15 p.m.
YOW
-
SIN
2 stops48h 45m
Air Canada
Wed 11/118:30 a.m.
SIN
-
YOW
2 stops33h 28m
Air Canada
Deal found 5/6C$ 1,613

Find flight deals from Ottawa to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Singapore (SIN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 10 June 2026.

Round-trip from

C$ 1,580

One-way from

C$ 639

Popular in

June

Cheapest in

February

Average price

C$ 2,295
ANA
  • ANA
  • 20/8-13/9
  • 4 total stops
  • 71h 50m total
  • Ottawa to Singapore
Search Deals
3/8
  • 3/8
  • 2 total stops
  • 49h 55m total
  • Ottawa to Singapore
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 351 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 94 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Singapore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 10 June 2026.
Use the filters below to find and compare flights from Ottawa to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

Thu 24/9

6:25 a.m.-6:40 a.m.

2 stops36h 15m

Singapore Changi

Mon 28/9

8:35 p.m.-5:16 p.m.

2 stops32h 41m

C$ 1,597

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

Mon 17/8

3:10 p.m.-6:15 a.m.

2 stops27h 05m

Singapore Changi

Sun 13/9

11:05 a.m.-9:35 p.m.

2 stops46h 30m

C$ 1,599

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

Tue 18/8

2:52 p.m.-6:15 a.m.

2 stops27h 23m

Singapore Changi

Sun 13/9

11:05 a.m.-10:35 p.m.

2 stops47h 30m

C$ 1,599

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

Thu 16/7

10:25 a.m.-6:15 a.m.

3 stops31h 50m

Singapore Changi

Sun 30/8

11:05 a.m.-6:59 p.m.

2 stops43h 54m

C$ 1,599

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

Thu 20/8

10:25 a.m.-6:15 a.m.

3 stops31h 50m

Singapore Changi

Sun 13/9

11:05 a.m.-11:54 p.m.

2 stops48h 49m

C$ 1,604
Quickest round-trip

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

Tue 28/7

2:52 p.m.-6:15 a.m.

2 stops27h 23m

Singapore Changi

Fri 25/9

8:35 p.m.-4:38 p.m.

2 stops32h 03m

C$ 1,622

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

Tue 18/8

10:25 a.m.-6:15 a.m.

3 stops31h 50m

Singapore Changi

Sun 30/8

8:35 p.m.-5:16 p.m.

2 stops32h 41m

C$ 1,624

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

Thu 20/8

6:05 p.m.-5:15 a.m.

2 stops47h 10m

Singapore Changi

Sun 13/9

7:00 a.m.-5:43 a.m.

1 stop34h 43m

C$ 1,742
Cheapest one-way

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

Mon 21/9

5:00 a.m.-1:15 p.m.

2 stops44h 15m

C$ 639

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

Wed 8/7

9:00 a.m.-1:15 p.m.

2 stops40h 15m

C$ 858

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/6

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Ottawa to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Ottawa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ottawa to Singapore

What is the cheapest month to book a flight from Ottawa to Singapore?

Currently, February is the cheapest month in which you can book a flight from Ottawa to Singapore (average of C$ 1,245). Flying from Ottawa to Singapore in June is currently the most expensive (average of C$ 2,295). 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.

How much does it cost to fly round-trip from Ottawa to Singapore?

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Singapore. Reviews last updated 10 June 2026.
Read through reviews of airlines operating flights from Ottawa to Singapore, such as ANA,United Airlines, andAir Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.3
Very good
1,230 reviews
Check prices

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Food

7.7

Crew

8.7

Overall

8.3

Reviews

1 / 20
4.0
Okay

PeggyLee,Jun 2026

BKK - NRT

It was unexpectedly below the expectation from the overall atmosphere of older plane, older seats, and most disappointment probably the meals. Will not be booking ANA again.
ANA
8.3
Very good
1,230 reviews
ANA
8.3
Very good
1,230 reviews
Check prices

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Food

7.7

Crew

8.7

Overall

8.3

Reviews

1 / 20
4.0
Okay

PeggyLee,Jun 2026

BKK - NRT

It was unexpectedly below the expectation from the overall atmosphere of older plane, older seats, and most disappointment probably the meals. Will not be booking ANA again.
United Airlines
7.4
Good
9,808 reviews
ANA
8.3
Very good
1,230 reviews
Check prices

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Food

7.7

Crew

8.7

Overall

8.3

Reviews

1 / 20
4.0
Okay

PeggyLee,Jun 2026

BKK - NRT

It was unexpectedly below the expectation from the overall atmosphere of older plane, older seats, and most disappointment probably the meals. Will not be booking ANA again.
Air Canada
7.1
Good
11,159 reviews
ANA
8.3
Very good
1,230 reviews
Check prices

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Food

7.7

Crew

8.7

Overall

8.3

Reviews

1 / 20
4.0
Okay

PeggyLee,Jun 2026

BKK - NRT

It was unexpectedly below the expectation from the overall atmosphere of older plane, older seats, and most disappointment probably the meals. Will not be booking ANA again.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ottawa to Singapore?

    United Airlines can get you from Ottawa to Singapore in just under 36h 15m. Your travel time can differ by up to . There are 14814 km between Ottawa and Singapore.

  • What are the cheapest airlines flying from Ottawa to Singapore round-trip?

    According to our current data, United Airlines (C$ 1,145), Air Canada (C$ 1,221), and ANA (C$ 1,251) offers the cheapest pricing from Ottawa to Singapore. These flights start at 26% lower than the current average price 3 months from now.

  • Can I find deals for flights from Ottawa to Singapore that include hotel bookings?

    Yes. In addition to deals on Ottawa to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Singapore.

  • Can I find deals for business class flights from Ottawa to Singapore?

    Yes. Cheapflights offers flight deals from Ottawa to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ottawa to Singapore?

    Currently, February is the cheapest month in which you can book a flight from Ottawa to Singapore (average of C$ 1,245). Flying from Ottawa to Singapore in June is currently the most expensive (average of C$ 2,295). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ottawa to Singapore

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Singapore flights
Pierre Elliott Trudeau Intl to Singapore flights
Toronto Island to Singapore flights
Hamilton to Singapore flights
London to Singapore flights

Top 3 airlines flying from Ottawa to Singapore

Discover the top 3 airlines that operate flights from Ottawa to Singapore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 10 June 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 1,145AverageC$ 1,488FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 1,221AverageC$ 1,739FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
ANACheapestC$ 1,251AverageC$ 1,313FlexibilityNo cancel feeOn-time80%
Search ANA flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ottawa to Singapore?

When you search for this flight from Ottawa to Singapore, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to Singapore?

Millions of users choose and trust Cheapflights to book the best flight deals from Ottawa to Singapore for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ottawa to Singapore with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ottawa to Singapore flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ottawa to Singapore become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Singapore from Ottawa today and book when prices fit your budget.

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