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Cheap flights from Ottawa to Singapore from C$ 684

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 28/1. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SIN
26 Nov — 3 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Ottawa to Singapore Changi are usually found in August or September, booked 38 days in advance, depart on a Monday or Sunday and return on a Tuesday

Find 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 27 October 2025.

Tue 9/129:45 a.m.YOW - SIN
2 stops32h 10mUnited Airlines
Tue 16/1210:10 a.m.SIN - YOW
2 stops37h 16mUnited Airlines
Deal found 25/10C$ 1,262
Tue 9/126:20 a.m.YOW - SIN
2 stops46h 15mANA
Tue 16/126:35 a.m.SIN - YOW
2 stops27h 43mANA
Deal found 25/10C$ 1,339
Mon 24/115:50 p.m.YOW - SIN
2 stops31h 10mMultiple Airlines
Mon 1/121:15 p.m.SIN - YOW
3 stops38h 29mMultiple Airlines
Deal found 26/10C$ 1,350
Mon 24/117:30 p.m.YOW - SIN
2 stops35h 45mUnited Airlines
Mon 1/1210:20 p.m.SIN - YOW
3 stops33h 35mUnited Airlines
Deal found 26/10C$ 1,518
Tue 9/125:50 p.m.YOW - SIN
1 stop24h 10mAir Canada
Tue 16/129:00 p.m.SIN - YOW
2 stops31h 45mAir Canada
Deal found 25/10C$ 1,746
Tue 9/124:45 p.m.YOW - SIN
2 stops27h 00mMultiple Airlines
Mon 15/122:30 a.m.SIN - YOW
2 stops28h 55mMultiple Airlines
Deal found 25/10C$ 1,987
Mon 24/115:40 a.m.YOW - SIN
2 stops45h 35mKLM
Mon 1/1210:50 p.m.SIN - YOW
1 stop29h 20mKLM
Deal found 26/10C$ 2,035
Tue 9/125:20 p.m.YOW - SIN
1 stop34h 35mKLM
Mon 15/121:40 a.m.SIN - YOW
2 stops26h 30mKLM
Deal found 25/10C$ 2,077

Cheap 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 27 October 2025.

Round-trip from

C$ 1,248

One-way from

C$ 863

Popular in

December

Cheapest in

August

Average price

C$ 1,352
United Airlines
  • United Airlines
  • 30/3-29/4
  • 4 total stops
  • 80h 24m total
  • Ottawa to Singapore
Search Deals
11/12
  • 11/12
  • 2 total stops
  • 28h 30m total
  • Ottawa to Singapore
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 293 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 92 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 27 October 2025.
Use the filters below to find and compare flights from Ottawa to Singapore that are best for you.

Fly from

Ottawa

Fly to

Singapore

Route

Depart

Return

Price

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

Wed 1/4

7:25 p.m.-6:25 p.m.

2 stops35h 00m

Singapore Changi

Wed 29/4

8:40 p.m.-4:50 p.m.

2 stops32h 10m

C$ 1,248

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

Tue 9/12

9:45 a.m.-6:55 a.m.

2 stops32h 10m

Singapore Changi

Tue 16/12

10:10 a.m.-10:26 a.m.

2 stops37h 16m

C$ 1,262

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

Tue 31/3

7:25 p.m.-6:25 p.m.

2 stops35h 00m

Singapore Changi

Sun 3/5

8:40 p.m.-9:47 a.m.

2 stops25h 07m

C$ 1,299

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

Mon 24/11

5:50 p.m.-2:00 p.m.

2 stops31h 10m

Singapore Changi

Mon 1/12

1:15 p.m.-2:44 p.m.

3 stops38h 29m

C$ 1,350

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

Mon 24/11

7:30 p.m.-8:15 p.m.

2 stops35h 45m

Singapore Changi

Mon 1/12

10:20 p.m.-6:55 p.m.

3 stops33h 35m

C$ 1,518

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

Mon 9/2

7:45 a.m.-12:55 a.m.

2 stops28h 10m

Singapore Changi

Thu 19/3

8:50 a.m.-3:00 p.m.

2 stops42h 10m

C$ 1,570

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

Thu 5/3

5:50 p.m.-7:00 a.m.

1 stop24h 10m

Singapore Changi

Mon 9/3

1:10 p.m.-6:43 a.m.

2 stops29h 33m

C$ 1,672

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

Wed 28/1

6:20 a.m.-6:55 a.m.

2 stops35h 35m

C$ 684

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

Wed 3/12

7:45 a.m.-7:00 a.m.

1 stop34h 15m

C$ 743

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

Wed 3/12

6:45 p.m.-9:30 p.m.

2 stops37h 45m

C$ 757

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/10

Showing 1-10 of 17 results
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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

How far ahead should I book a flight from Ottawa to Singapore?

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to Singapore. Price data was last updated on 24 October 2025.

Booking 38 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ottawa to Singapore. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, July is the cheapest month in which you can book a flight from Ottawa to Singapore (average of C$ 1,209). Flying from Ottawa to Singapore in June is currently the most expensive (average of C$ 1,577). 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.

What is the cheapest time of day to fly from YOW to SIN?

Find hourly flight availability from Ottawa to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 October 2025.

It’s optimal to fly from Ottawa to Singapore at noon. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight in the evening.

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 27 October 2025.
Read through reviews of airlines operating flights from Ottawa to Singapore, such as ANA,Cathay Pacific, andAir France. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
994 reviews
Check prices

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Food

7.7

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
ANA
8.4
Very good
994 reviews
ANA
8.4
Very good
994 reviews
Check prices

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Food

7.7

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
Cathay Pacific
7.6
Good
1,042 reviews
ANA
8.4
Very good
994 reviews
Check prices

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Food

7.7

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
Air France
7.4
Good
1,481 reviews
ANA
8.4
Very good
994 reviews
Check prices

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Food

7.7

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
United Airlines
7.4
Good
8,995 reviews
ANA
8.4
Very good
994 reviews
Check prices

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Food

7.7

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
Air Canada
7.1
Good
10,370 reviews
ANA
8.4
Very good
994 reviews
Check prices

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Food

7.7

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

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 35h. 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$ 1,218), Air Canada (C$ 1,226), and ANA (C$ 1,306) offers the cheapest pricing from Ottawa to Singapore. These flights start at 25% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Ottawa to Singapore one-way?

    One-way options have recently been found by users for as low as C$ 684 on ANA. Other airlines that offer cheap prices include Air Canada from C$ 743 and United Airlines from C$ 789 one-way.

  • 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, July is the cheapest month in which you can book a flight from Ottawa to Singapore (average of C$ 1,209). Flying from Ottawa to Singapore in June is currently the most expensive (average of C$ 1,577). 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
London to Singapore flights
Hamilton to Singapore flights

Top 5 airlines flying from Ottawa to Singapore

Discover the top 5 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 27 October 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 1,218AverageC$ 1,348FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 1,226AverageC$ 1,643FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
ANACheapestC$ 1,306AverageC$ 1,492FlexibilityNo cancel feeOn-time80%
Search ANA flights
Air FranceCheapestC$ 1,446AverageC$ 1,710FlexibilityNo cancel feeOn-time77%
Search Air France flights
Cathay PacificCheapestC$ 1,859AverageC$ 2,159FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific 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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