How does KAYAK find such low prices on flights from Maryland to Ottawa?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Maryland to Ottawa. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Maryland to Ottawa?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ottawa from Maryland is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Maryland to Ottawa?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ottawa with an airline and back to Maryland with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Maryland to Ottawa?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ottawa from Maryland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

C$ 208 CHEAP FLIGHTS from Maryland to Ottawa

KAYAK searches hundreds of travel sites at once for deals on flights to Ottawa

...and more

Travellers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 27% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheap Flight Deals from Maryland to Ottawa

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Maryland to Ottawa that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Maryland to Ottawa

KAYAK's recommended round-trip deals from the most popular airlines that fly from Maryland to Ottawa.

Discover the best prices for you by selecting your travel dates on KAYAK.

Choose your dates

11:35 a.m. - 4:33 p.m.IAD-YOW

4h 58m1 stop

10:15 a.m. - 3:06 p.m.YOW-IAD

4h 51m1 stop

C$ 436Porter Airlines

Find Deal

Mon, 26 May - Wed, 28 May

4:20 p.m. - 9:03 p.m.IAD-YOW

4h 43m1 stop

10:15 a.m. - 3:06 p.m.YOW-IAD

4h 51m1 stop

C$ 445Porter Airlines

Find Deal

Wed, 21 May - Wed, 28 May

4:20 p.m. - 12:22 a.m.IAD-YOW

8h 02m1 stop

9:35 a.m. - 3:06 p.m.YOW-IAD

5h 31m1 stop

C$ 447

Find Deal

Tue, 27 May - Sun, 1 Jun

4:20 p.m. - 12:22 a.m.IAD-YOW

8h 02m1 stop

7:00 a.m. - 10:16 a.m.YOW-IAD

3h 16m1 stop

C$ 449

Find Deal

Tue, 27 May - Mon, 2 Jun

12:55 p.m. - 2:27 p.m.DCA-YOW

1h 32mdirect

10:25 a.m. - 12:01 p.m.YOW-DCA

1h 36mdirect

C$ 486Air Canada

Find Deal

Tue, 27 May - Mon, 2 Jun

12:55 p.m. - 2:27 p.m.DCA-YOW

1h 32mdirect

6:00 a.m. - 10:19 a.m.YOW-DCA

4h 19m1 stop

C$ 489Air Canada

Find Deal

Sat, 24 May - Sat, 31 May

12:55 p.m. - 2:27 p.m.DCA-YOW

1h 32mdirect

10:25 a.m. - 12:01 p.m.YOW-DCA

1h 36mdirect

C$ 608United Airlines

Find Deal

Tue, 27 May - Fri, 30 May

6:59 a.m. - 1:09 p.m.DCA-YOW

6h 10m1 stop

10:25 a.m. - 12:01 p.m.YOW-DCA

1h 36mdirect

C$ 625United Airlines

Find Deal

Wed, 21 May - Wed, 28 May

9:42 a.m. - 12:22 a.m.PHL-YOW

14h 40m2 stops

5:55 a.m. - 7:23 p.m.YOW-PHL

13h 28m2 stops

C$ 917Delta

Find Deal

Tue, 9 Sep - Sat, 13 Sep

9:42 a.m. - 12:22 a.m.PHL-YOW

14h 40m2 stops

5:55 a.m. - 4:19 p.m.YOW-PHL

10h 24m2 stops

C$ 1,011Delta

Find Deal

Thu, 11 Sep - Sat, 13 Sep

Low season	February
High season	December
Cheapest flight	C$ 208

Best time to beat the crowds (6% less expensive on average)

Most popular time to fly (8% more expensive on average)

Flight from Reagan Washington National Airport to Ottawa

How does KAYAK find such low prices on flights from Maryland to Ottawa?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Maryland to Ottawa.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Maryland to Ottawa?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ottawa from Maryland is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Maryland to Ottawa?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ottawa with an airline and back to Maryland with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Maryland to Ottawa?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ottawa from Maryland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.