A modern airport control tower with a spherical top and a curved, white-roofed building in the foreground.

Flights from Ottawa International Airport (YOW) to Washington Dulles Intl. Airport (IAD)
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Popular airlines from Ottawa International Airport (YOW) to Washington Dulles Intl. Airport (IAD)

Porter Airlines
Air Canada
United
WestJet
American Airlines

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Cheap Flights from Ottawa to Washington (YOW-IAD)

Prices were available within the past 7 days and start at ￥34,000 for one-way flights and ￥59,670 for roundtrip, for the period specified. Prices and availability are subject to change.

All deals

One way

Roundtrip

Mon, Aug 17 - Mon, Aug 24

YOW

Ottawa

IAD

Washington

￥59,670

Roundtrip

Found 5 hours ago

Select United flight, departing Mon, Aug 17 from Ottawa to Washington, returning Mon, Aug 24, priced at ￥59,670 Found 5 hours ago

Mon, Aug 17 - Mon, Aug 24

YOW

Ottawa

IAD

Washington

￥60,580

Roundtrip

Found 5 hours ago

Select United flight, departing Mon, Aug 17 from Ottawa to Washington, returning Mon, Aug 24, priced at ￥60,580 Found 5 hours ago

Mon, Aug 17 - Mon, Aug 24

YOW

Ottawa

IAD

Washington

￥65,760

Roundtrip

Found 5 hours ago

Select United flight, departing Mon, Aug 17 from Ottawa to Washington, returning Mon, Aug 24, priced at ￥65,760 Found 5 hours ago

Mon, Aug 17 - Mon, Aug 24

YOW

Ottawa

IAD

Washington

￥66,040

Roundtrip

Found 5 hours ago

Select United flight, departing Mon, Aug 17 from Ottawa to Washington, returning Mon, Aug 24, priced at ￥66,040 Found 5 hours ago

Mon, Aug 17 - Mon, Aug 24

YOW

Ottawa

IAD

Washington

￥66,520

Roundtrip

Found 5 hours ago

Select United flight, departing Mon, Aug 17 from Ottawa to Washington, returning Mon, Aug 24, priced at ￥66,520 Found 5 hours ago

Mon, Aug 17 - Mon, Aug 24

YOW

Ottawa

IAD

Washington

￥66,670

Roundtrip

Found 5 hours ago

Select United flight, departing Mon, Aug 17 from Ottawa to Washington, returning Mon, Aug 24, priced at ￥66,670 Found 5 hours ago

Mon, Aug 17 - Mon, Aug 24

YOW

Ottawa

IAD

Washington

￥67,070

Roundtrip

Found 5 hours ago

Select United flight, departing Mon, Aug 17 from Ottawa to Washington, returning Mon, Aug 24, priced at ￥67,070 Found 5 hours ago

Mon, Aug 17 - Mon, Aug 24

YOW

Ottawa

IAD

Washington

￥68,300

Roundtrip

Found 5 hours ago

Select Porter Airlines flight, departing Mon, Aug 17 from Ottawa to Washington, returning Mon, Aug 24, priced at ￥68,300 Found 5 hours ago

Mon, Aug 17 - Mon, Aug 24

YOW

Ottawa

IAD

Washington

￥70,590

Roundtrip

Found 5 hours ago

Select Air Canada flight, departing Mon, Aug 17 from Ottawa to Washington, returning Mon, Aug 24, priced at ￥70,590 Found 5 hours ago

Mon, Aug 17 - Mon, Aug 24

YOW

Ottawa

IAD

Washington

￥112,191

Roundtrip

Found 5 hours ago

Select American Airlines flight, departing Mon, Aug 17 from Ottawa to Washington, returning Mon, Aug 24, priced at ￥112,191 Found 5 hours ago

Find the cheapest month to fly from Ottawa (YOW) to Washington (IAD)

January is typically the cheapest month to fly

From ￥39,438 - ￥180,557 per traveler.

Travel information

Origin airport	Ottawa International Airport
Destination airport	Washington Dulles Intl. Airport
Distance	723 km away
Airlines serving	PD, Air Canada, United, WestJet, American Airlines
Popular airline	PD
Roundtrip price	￥59,670
Average flight time	1 hour 43 mins

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￥34,000 Cheap Flights from Ottawa (YOW) to Washington (IAD)

Popular airlines from Ottawa International Airport (YOW) to Washington Dulles Intl. Airport (IAD)

Be in the know

Book smarter

Earn twice

Cheap Flights from Ottawa to Washington (YOW-IAD)

Find the cheapest month to fly from Ottawa (YOW) to Washington (IAD)

January is typically the cheapest month to flyJanuary is typically the cheapest month to fly

Travel information

Explore a world of travel with Expedia

January is typically the cheapest month to fly