S$ 223+ Cheap flights from Ottawa

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20-9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
YOW — SIN
24 elo — 31 elo1
1 adult

Find flights from Ottawa

Cheapest flights from Ottawa
Explore the most affordable flight options available from Ottawa. Find the lowest fares based on data from user searches, with prices last updated on 19 elokuu 2025.

su 18-110:35YOW - SIN
2 stops49h 20mANA
ke 25-206:35SIN - YOW
2 stops47h 15mANA
Deal found 19-8S$ 1,114
to 2-1010:37YOW - SIN
2 stops31h 38mUnited Airlines
to 9-1008:45SIN - YOW
2 stops41h 19mUnited Airlines
Deal found 17-8S$ 1,159
su 18-117:14YOW - SIN
2 stops38h 01mUnited Airlines
ke 25-222:20SIN - YOW
3 stops29h 10mUnited Airlines
Deal found 19-8S$ 1,160
ke 24-911:55YOW - SIN
2 stops42h 30mUnited Airlines
su 28-911:05SIN - YOW
2 stops46h 30mUnited Airlines
Deal found 17-8S$ 1,181
to 22-106:52YOW - SIN
2 stops29h 03mMultiple Airlines
la 28-210:45SIN - YOW
2 stops47h 29mMultiple Airlines
Deal found 19-8S$ 1,198
pe 5-906:33YOW - SIN
2 stops35h 42mUnited Airlines
la 13-920:40SIN - YOW
2 stops29h 24mUnited Airlines
Deal found 18-8S$ 1,251
pe 3-1017:25YOW - SIN
2 stops37h 00mUnited Airlines
pe 10-1020:40SIN - YOW
2 stops36h 55mUnited Airlines
Deal found 19-8S$ 1,254
pe 5-918:00YOW - SIN
1 stop25h 05mAir Canada
la 13-909:10SIN - YOW
2 stops24h 54mAir Canada
Deal found 18-8S$ 1,255
pe 29-819:29YOW - SIN
2 stops34h 56mUnited Airlines
la 6-920:40SIN - YOW
2 stops32h 26mUnited Airlines
Deal found 19-8S$ 1,269
su 18-117:50YOW - SIN
1 stop24h 10mAir Canada
ke 25-209:20SIN - YOW
2 stops34h 23mAir Canada
Deal found 19-8S$ 1,317
to 22-117:50YOW - SIN
1 stop24h 10mAir Canada
la 28-209:20SIN - YOW
2 stops23h 02mAir Canada
Deal found 19-8S$ 1,322

Find flights from Ottawa within your budget

 
Find flights departing from Ottawa that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 19 elokuu 2025. In the last 7 days, Cheapflights users made a total of 200,618 searches

Fly to

Singapore

Route

Depart

Return

Price

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

su 18-1

10:35-00:55

2 stops49h 20m

Singapore Changi

ke 25-2

06:35-16:50

2 stops47h 15m

S$ 1,114

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

ma 5-1

19:27-20:15

2 stops35h 48m

Singapore Changi

to 22-1

22:20-10:07

2 stops24h 47m

S$ 1,159

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

to 2-10

10:37-06:15

2 stops31h 38m

Singapore Changi

to 9-10

08:45-14:04

2 stops41h 19m

S$ 1,159

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

su 18-1

17:14-20:15

2 stops38h 01m

Singapore Changi

ke 25-2

22:20-14:30

3 stops29h 10m

S$ 1,160

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

ke 24-9

11:55-06:15

2 stops30h 20m

Singapore Changi

su 28-9

11:05-21:35

2 stops46h 30m

S$ 1,181

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

to 22-1

06:52-00:55

2 stops29h 03m

Singapore Changi

la 28-2

10:45-21:14

2 stops47h 29m

S$ 1,198

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

pe 5-9

06:33-06:15

2 stops35h 42m

Singapore Changi

la 13-9

20:40-14:04

2 stops29h 24m

S$ 1,251

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

pe 3-10

17:25-18:25

2 stops37h 00m

Singapore Changi

pe 10-10

20:40-21:35

2 stops36h 55m

S$ 1,254

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

pe 5-9

18:00-07:05

1 stop25h 05m

Singapore Changi

la 13-9

09:10-22:04

2 stops24h 54m

S$ 1,255

OttawaSingapore

YOW - SIN

YOWSIN

Ottawa

la 20-9

18:30-13:20

2 stops30h 50m

S$ 539

Flights are sorted by cheapest return flights first.

Deals found on 19-8

Showing 1-10 of 16 results
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Best time to book a flight from Ottawa

Have a flexible travel schedule? Discover the best time to fly from Ottawa with our price prediction graph.
Estimated return 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.

Travel insights for flights from Ottawa

Get recent, data-driven insights about flights from Ottawa including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Ottawa?

Use this chart to determine the optimal time to book a return flight from Ottawa to Singapore. Price data was last updated on 8 August 2025.

The price you pay for your flight from Ottawa may vary depending on when you book. For the best chance of a lower fare, look to book 74 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from Ottawa (average of S$ 1,104). Flying from Ottawa in June will prove the most costly (average of S$ 1,447). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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Related info for your journey

Access useful and relevant information related to your journey from Ottawa. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 19 elokuu 2025.

  • What are the most popular destinations to fly to from Ottawa?

    This month, the top selected destinations from Ottawa are Beirut, Fort Lauderdale, Cancún. Throughout the year, Fort Lauderdale, Cancún, New Delhi are some of the top choices made by users flying from Ottawa.

  • What is the cheapest month to fly from Ottawa?

    Currently, the cheapest month for flights from Ottawa is October. The most expensive month for flights is June. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • How does Cheapflights help users find flights from Ottawa?

    Deals for flights from Ottawa are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

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

    Cheapflights simply makes it quick and affordable to book flights from Ottawa by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

  • Can Cheapflights find flights from Ottawa with no change fees?

    Cheapflights does show flights with no change fees to all users. To see these options for flights from Ottawa, users can toggle the no change fees filter when performing a flight search.

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

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

See more FAQs

Fly with Cheapflights

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

How does Cheapflights help users find flights from Ottawa?

Deals for flights from Ottawa are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

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

Cheapflights simply makes it quick and affordable to book flights from Ottawa by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ottawa with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ottawa, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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