What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Ottawa round-trip?

Flying on Air Canada is currently your cheapest option to Ottawa, with prices starting at $319. Another option worth looking into is United Airlines, starting at $402 round trip. These flights start at 5% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Ottawa one-way?

$150 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $174 and $332, respectively.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Ottawa?

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Ottawa flight should consider departing on Sunday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Ottawa ranges from 2.0 - 3.7 inches per month. June is typically the wettest month, when rainfall can reach 3.7 in. February is typically the driest time to visit Ottawa when rainfall is around 2.0 in.

If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 F).

What are the cheapest flights from Washington, D.C. Reagan-National Airport to Ottawa?

On average you can expect to pay $285 for a flight from Washington, D.C. Reagan-National Airport to Ottawa. The cheapest flight overall is $113 while the most popular route, (Washington, D.C. Reagan-National - Ottawa) is currently priced at $341.

What are the most reliable airlines from Washington, D.C. Reagan-National Airport to Ottawa?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Reagan-National Airport to Ottawa on time: Air Canada (86%), Jazz (86%), United Airlines (86%).

What is the cheapest day to fly round-trip from Washington, D.C. Reagan-National Airport to Ottawa?

Travelers have found that booking a Saturday departure is the best way to save up to 10% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from Washington, D.C. Reagan-National Airport to Ottawa?

To save up to 173% on this flight, we recommend booking at least 58 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Washington, D.C. Reagan-National Airport to Ottawa from $281 1-2 weeks out and tickets from $397 for flights departing within the next 72 hours.

What is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Ottawa?

Our data shows that January tends to be the cheapest month to fly to Ottawa from Washington, D.C. Reagan-National Airport. Users have commonly found prices around $388 for the month, but tickets can be as low as $174. Due to multiple factors, prepare for potentially higher prices in March.

What airport do you fly into for flights to Ottawa from Washington, D.C. Reagan-National?

Located just 6.6 mi from the city center, Ottawa is the airport most travelers will use when flying to Ottawa from Washington, D.C. Reagan-National. Booking flights from Washington, D.C. Reagan-National to Ottawa (YOW) should be relatively easy as there are 2 daily inbound flights from Washington, D.C. Reagan-National from 2 different airlines.

Can I find deals for flights from Reagan-National to Ottawa that include hotel bookings?

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

How can I find direct flights from Reagan-National to Ottawa?

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

Can I find deals for business class flights from Reagan-National to Ottawa?

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

$150+ Flights from Washington, D.C. Reagan-National Airport to Ottawa

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Cheap flight deals from Reagan-National to Ottawa

Round-trip from	$319 (Air Canada)
One-way from	$150 (Air Canada)
Popular in	May
Cheapest in	March
Average price	$370
Good round-trip deal	$273 or less
Good one-way deal	$162 or less

From Washington, D.C. Reagan-National to Ottawa

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One-way flight from Washington, D.C. Reagan-National to Ottawa

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Highest demand for flights based on searches. 29% potential increase in price ($142 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($22 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Ottawa.

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Price to beat on a one-way flight from Washington, D.C. Reagan-National to Ottawa.

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Find flight deals from Reagan-National to Ottawa

Cheapest flights from Reagan-National to Ottawa
Explore the most affordable flight options available from Reagan-National to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Sun 8/1712:55 pmDCA - YOW

Nonstop1h 32mAir Canada

Sun 8/245:15 amYOW - DCA

1 stop3h 42mAir Canada

Deal found 7/3

$307

Tue 7/221:00 pmDCA - YOW

1 stop3h 43mUnited Airlines

Sat 7/266:05 amYOW - DCA

1 stop4h 22mUnited Airlines

Deal found 7/1

$402

Fri 7/2512:55 pmDCA - YOW

Nonstop1h 32mMultiple Airlines

Fri 8/110:25 amYOW - DCA

Nonstop1h 38mMultiple Airlines

Deal found 7/1

$444

Best flights from Reagan-National to Ottawa
Discover carefully curated flight deals from Reagan-National to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Fri 11/712:55 pmDCA - YOW

Nonstop1h 35mAir Canada

Tue 11/1110:30 amYOW - DCA

Nonstop1h 49mAir Canada

Deal found 7/3

$319

Tue 7/221:00 pmDCA - YOW

1 stop3h 43mUnited Airlines

Sat 7/266:05 amYOW - DCA

1 stop4h 22mUnited Airlines

Deal found 7/1

$402

Fri 7/2512:55 pmDCA - YOW

Nonstop1h 32mMultiple Airlines

Fri 8/110:25 amYOW - DCA

Nonstop1h 38mMultiple Airlines

Deal found 7/1

$444

Last-minute flights from Reagan-National to Ottawa
Discover last-minute flight deals from Reagan-National to Ottawa. Data last updated July 3, 2025 and is based on user searches.

Fri 7/113:30 pmDCA - YOW

1 stop6h 05mUnited Airlines

Mon 7/145:15 amYOW - DCA

2 stops9h 07mUnited Airlines

Deal found 7/2

$978

Sat 7/127:50 amDCA - YOW

2 stops22h 55mWestJet

Tue 7/156:00 amYOW - DCA

2 stops14h 43mWestJet

Deal found 7/2

$1,117

Sun 7/136:59 amDCA - YOW

1 stop6h 11mAir Canada

Thu 7/1710:25 amYOW - DCA

Nonstop1h 38mAir Canada

Deal found 7/2

$361

Tue 7/221:00 pmDCA - YOW

1 stop3h 43mUnited Airlines

Sat 7/266:05 amYOW - DCA

1 stop4h 22mUnited Airlines

Deal found 7/1

$402

Fri 7/2512:55 pmDCA - YOW

Nonstop1h 32mMultiple Airlines

Fri 8/110:25 amYOW - DCA

Nonstop1h 38mMultiple Airlines

Deal found 7/1

$444

Mon 8/2512:55 pmDCA - YOW

Nonstop1h 32mAir Canada

Mon 8/255:55 pmYOW - DCA

1 stop4h 32mAir Canada

Deal found 7/1

$332

One-way flights from Reagan-National to Ottawa
Search for one-way flight options from Reagan-National to Ottawa. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Sat 8/2312:55 pmDCA - YOW

Nonstop1h 32mAir Canada

Deal found 7/2

$150

Fri 8/2910:00 amDCA - YOW

1 stop6h 43mUnited Airlines

Deal found 7/1

$174

Sat 8/167:00 amDCA - YOW

3 stops17h 21mMultiple Airlines

Deal found 7/2

$255

Sat 8/169:55 amDCA - YOW

2 stops14h 27mDelta

Deal found 7/2

$332

Fri 8/110:19 amDCA - YOW

2 stops14h 03mWestJet

Deal found 7/2

$350

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 11/7

12:55 pm-2:30 pm

Nonstop1h 35m

Ottawa

Tue 11/11

10:30 am-12:19 pm

Nonstop1h 49m

$319

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Tue 7/22

1:00 pm-4:43 pm

1 stop3h 43m

Ottawa

Sat 7/26

6:05 am-10:27 am

1 stop4h 22m

$402

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 7/25

12:55 pm-2:27 pm

Nonstop1h 32m

Ottawa

Fri 8/1

10:25 am-12:03 pm

Nonstop1h 38m

$444

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sat 8/23

12:55 pm-2:27 pm

Nonstop1h 32m

$150

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 8/29

10:00 am-4:43 pm

1 stop6h 43m

$174

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sat 8/16

7:00 am-12:21 am

3 stops17h 21m

$255

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sat 8/16

9:55 am-12:22 am

2 stops14h 27m

$332

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 8/1

10:19 am-12:22 am

2 stops14h 03m

$350

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Reagan-National to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Reagan-National 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 Washington, D.C. Reagan-National Airport to Ottawa

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Ottawa?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Ottawa (average of $294). Flying from Washington, D.C. Reagan-National Airport to Ottawa in September is currently the most expensive (average of $428). 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 DCA to YOW?

It’s typically best to fly out from Washington, D.C. Reagan-National Airport to Ottawa at noon. Doing so could potentially save you 8% on the flight price compared to flying in the morning, which is usually more expensive.

Weekly flight availability from Washington, D.C. Reagan-National Airport to Ottawa

The most flights from DCA to YOW are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Ottawa

Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Ottawa, such as Delta, United Airlines, and WestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,982 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,861 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

WestJet

7.2

Good

2,917 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air Canada

7.1

Good

9,681 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly into for flights to Ottawa from Washington, D.C. Reagan-National?
Located just 6.6 mi from the city center, Ottawa is the airport most travelers will use when flying to Ottawa from Washington, D.C. Reagan-National. Booking flights from Washington, D.C. Reagan-National to Ottawa (YOW) should be relatively easy as there are 2 daily inbound flights from Washington, D.C. Reagan-National from 2 different airlines.
What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Ottawa round-trip?
Flying on Air Canada is currently your cheapest option to Ottawa, with prices starting at $319. Another option worth looking into is United Airlines, starting at $402 round trip. These flights start at 5% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Ottawa one-way?
$150 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $174 and $332, respectively.
What are the most reliable airlines from Washington, D.C. Reagan-National Airport to Ottawa?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Reagan-National Airport to Ottawa on time: Air Canada (86%), Jazz (86%), United Airlines (86%).
What are the cheapest flights from Washington, D.C. Reagan-National Airport to Ottawa?
On average you can expect to pay $285 for a flight from Washington, D.C. Reagan-National Airport to Ottawa. The cheapest flight overall is $113 while the most popular route, (Washington, D.C. Reagan-National - Ottawa) is currently priced at $341.
Can I find deals for flights from Reagan-National to Ottawa that include hotel bookings?
Yes. In addition to deals on Reagan-National to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Ottawa?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Ottawa.
Can I find deals for business class flights from Reagan-National to Ottawa?
Yes. Cheapflights offers flight deals from Reagan-National to Ottawa 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 Washington, D.C. Reagan-National Airport to Ottawa?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Ottawa (average of $294). Flying from Washington, D.C. Reagan-National Airport to Ottawa in September is currently the most expensive (average of $428). 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

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Petawawa

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Other flights to Ottawa

Top 2 airlines flying from Reagan-National to Ottawa

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$174	Average$406	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$176	Average$475	FlexibilityNo cancel fee	On-time69%

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$150+ Cheap flights from Reagan-National (DCA) to Ottawa (YOW)

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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Reagan-National to Ottawa

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Reagan-National to Ottawa

Cheapest flights from Reagan-National to OttawaExplore the most affordable flight options available from Reagan-National to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from Reagan-National to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Ottawa that are best for you.

Best time to book a flight from Reagan-National to Ottawa

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

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Ottawa

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Ottawa?

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

Find hourly flight availability from Reagan-National to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

Weekly flight availability from Washington, D.C. Reagan-National Airport to Ottawa

Explore weekly flight availability from Reagan-National to Ottawa. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 3, 2025.

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. 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 Ottawa. Reviews last updated July 3, 2025.

Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Ottawa, such as Delta, United Airlines, and WestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What airport do you fly into for flights to Ottawa from Washington, D.C. Reagan-National?

What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Ottawa round-trip?

What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Ottawa one-way?

What are the most reliable airlines from Washington, D.C. Reagan-National Airport to Ottawa?

What are the cheapest flights from Washington, D.C. Reagan-National Airport to Ottawa?

Can I find deals for flights from Reagan-National to Ottawa that include hotel bookings?

How can I find direct flights from Reagan-National to Ottawa?

Can I find deals for business class flights from Reagan-National to Ottawa?

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Ottawa?

Traveling to a place near Washington, D.C. Reagan-National Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Reagan-National to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Reagan-National to Ottawa

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Cheapest flights from Reagan-National to Ottawa
Explore the most affordable flight options available from Reagan-National to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.