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

Flying on Air Canada is currently your cheapest option to Washington, D.C. Reagan-National Airport, with prices starting at $287. Additional round-trip tickets that might be worth considering are offered by United Airlines and WestJet, with the lowest prices starting at $368 and $584, respectively. Air Canada is priced at 23% lower than the current average price of a flight leaving 3 months from now.

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

To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $163. United Airlines flights start at $250 while deals on Lufthansa start at $254 one-way.

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

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

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

Looking for the cheapest flight from Ottawa to Washington, D.C. Reagan-National Airport? While on average our users pay $343, our data indicates the cheapest price to be $149. The most popular route (Ottawa - Washington, D.C. Reagan-National), is priced around $324.

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

Before booking your flight to Washington, D.C. Reagan-National Airport from Ottawa, check out the most reliable airlines to get you to your destination on time: Air Canada (93%), Jazz (93%), United Airlines( 93%).

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

Users have found that leaving on a Wednesday can be a cost-effective option. It’s possible to save up to 83% on your flight compared to booking on days when demand is much higher.

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

The best pricing can be found in the month of March. Prices to Washington, D.C. Reagan-National Airport from Ottawa average $349. You can even find prices in March for less than $349, as users have found deals to Washington, D.C. Reagan-National Airport from as low as $156. The month of October appears to be one of the more expensive times to travel to Washington, D.C. Reagan-National Airport from Ottawa. Flying in the targeted month can save you up to 22%.

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

If you book a flight to Washington, D.C. Reagan-National from Ottawa, you will be flying from Ottawa, which is the city’s only airport. Ottawa (YOW) is located 6.6 mi from the center of Ottawa. There are 2 flights from Ottawa to Washington, D.C. Reagan-National per day from 1 airline.

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

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

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

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

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

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

$163+ Flights from Ottawa to Washington, D.C. Reagan-National Airport

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Ottawa to Washington, D.C. Reagan-National are usually found in March or April, booked 25 days in advance, depart on a Thursday or Saturday and return on a Sunday

Cheap flight deals from Ottawa to Reagan-National

Round-trip from	$287 (Air Canada)
One-way from	$163 (Gotogate)
Popular in	July
Cheapest in	March
Average price	$421
Good round-trip deal	$318 or less
Good one-way deal	$182 or less

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

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

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Highest demand for flights based on searches. 2% potential increase in price ($9 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($4 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 Ottawa to Washington, D.C. Reagan-National.

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

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Find flight deals from Ottawa to Reagan-National

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

Thu 11/2010:50 amYOW - DCA

1 stop4h 41mAir Canada

Sun 11/2312:55 pmDCA - YOW

Nonstop1h 35mAir Canada

Deal found 7/3

$287

Thu 7/175:25 pmYOW - DCA

1 stop5h 17mMultiple Airlines

Sun 7/206:00 amDCA - YOW

1 stop4h 19mMultiple Airlines

Deal found 7/1

$361

Sat 8/26:05 amYOW - DCA

1 stop6h 20mUnited Airlines

Sun 8/106:25 amDCA - YOW

1 stop10h 41mUnited Airlines

Deal found 7/3

$368

Fri 9/195:55 amYOW - DCA

2 stops16h 55mWestJet

Mon 9/2211:00 amDCA - YOW

2 stops13h 22mWestJet

Deal found 7/2

$584

Mon 8/185:55 amYOW - DCA

2 stops25h 24mDelta

Thu 8/218:57 pmDCA - YOW

2 stops27h 25mDelta

Deal found 6/30

$632

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

Thu 11/2010:50 amYOW - DCA

1 stop4h 41mAir Canada

Sun 11/2312:55 pmDCA - YOW

Nonstop1h 35mAir Canada

Deal found 7/3

$287

Thu 7/175:25 pmYOW - DCA

1 stop5h 17mMultiple Airlines

Sun 7/206:00 amDCA - YOW

1 stop4h 19mMultiple Airlines

Deal found 7/1

$361

Sat 8/26:05 amYOW - DCA

1 stop6h 20mUnited Airlines

Thu 8/710:30 amDCA - YOW

1 stop11h 05mUnited Airlines

Deal found 7/3

$368

Fri 9/195:55 amYOW - DCA

2 stops16h 55mWestJet

Mon 9/2211:00 amDCA - YOW

2 stops13h 22mWestJet

Deal found 7/2

$584

Mon 8/185:55 amYOW - DCA

2 stops25h 24mDelta

Thu 8/218:57 pmDCA - YOW

2 stops27h 25mDelta

Deal found 6/30

$632

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

Tue 7/87:15 pmYOW - DCA

2 stops15h 45mWestJet

Wed 7/231:41 pmDCA - YOW

2 stops10h 41mWestJet

Deal found 7/1

$889

Thu 7/175:25 pmYOW - DCA

1 stop5h 17mMultiple Airlines

Sun 7/206:00 amDCA - YOW

1 stop4h 19mMultiple Airlines

Deal found 7/1

$361

Sat 8/26:05 amYOW - DCA

1 stop6h 20mUnited Airlines

Tue 8/121:00 pmDCA - YOW

1 stop3h 43mUnited Airlines

Deal found 7/3

$368

Wed 8/65:55 amYOW - DCA

2 stops13h 00mWestJet

Sun 8/101:41 pmDCA - YOW

2 stops10h 41mWestJet

Deal found 7/3

$635

Mon 8/185:55 amYOW - DCA

2 stops25h 24mDelta

Thu 8/218:57 pmDCA - YOW

2 stops27h 25mDelta

Deal found 6/30

$632

Thu 8/216:00 amYOW - DCA

1 stop4h 18mAir Canada

Mon 8/2512:55 pmDCA - YOW

Nonstop1h 32mAir Canada

Deal found 7/3

$293

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

Tue 7/1510:25 amYOW - DCA

Nonstop1h 38mAir Canada

Deal found 7/1

$163

Sat 7/266:05 amYOW - DCA

1 stop4h 22mUnited Airlines

Deal found 6/30

$250

Sun 7/205:25 pmYOW - DCA

1 stop15h 32mLufthansa

Deal found 7/1

$254

Sat 8/306:00 amYOW - DCA

3 stops30h 11mMultiple Airlines

Deal found 7/2

$294

Wed 7/305:55 amYOW - DCA

2 stops14h 48mWestJet

Deal found 7/2

$327

Tue 8/125:55 amYOW - DCA

2 stops13h 04mDelta

Deal found 7/2

$359

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 11/20

10:50 am-3:31 pm

1 stop4h 41m

Washington, D.C. Reagan-National

Sun 11/23

12:55 pm-2:30 pm

Nonstop1h 35m

$287

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 7/17

5:25 pm-10:42 pm

1 stop5h 17m

Washington, D.C. Reagan-National

Sun 7/20

6:00 am-10:19 am

1 stop4h 19m

$361

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Sat 8/2

6:05 am-12:25 pm

1 stop6h 20m

Washington, D.C. Reagan-National

Sun 8/10

6:25 am-5:06 pm

1 stop10h 41m

$368

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 9/19

5:55 am-10:50 pm

2 stops16h 55m

Washington, D.C. Reagan-National

Mon 9/22

11:00 am-12:22 am

2 stops13h 22m

$584

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Mon 8/18

5:55 am-7:19 am

2 stops25h 24m

Washington, D.C. Reagan-National

Thu 8/21

8:57 pm-12:22 am

2 stops27h 25m

$632

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Tue 7/15

10:25 am-12:03 pm

Nonstop1h 38m

$163

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Sat 7/26

6:05 am-10:27 am

1 stop4h 22m

$250

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Sun 7/20

5:25 pm-8:57 am

1 stop15h 32m

$254

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Sat 8/30

6:00 am-12:11 pm

3 stops30h 11m

$294

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Wed 7/30

5:55 am-8:43 pm

2 stops14h 48m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 11 results

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

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

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

Booking 25 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ottawa to Washington, D.C. Reagan-National Airport. 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 Washington, D.C. Reagan-National Airport?

Currently, February is the cheapest month in which you can book a flight from Ottawa to Washington, D.C. Reagan-National Airport (average of $278). Flying from Ottawa to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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 DCA?

When flying from Ottawa to Washington, D.C. Reagan-National Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

The most flights from YOW to DCA 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 Reagan-National

See what other customers who have flown with Delta, United Airlines, and WestJet from Ottawa to Washington, D.C. Reagan-National Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,970 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

7,970 reviews

Delta

8.0

Very good

7,970 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

8,845 reviews

Delta

8.0

Very good

7,970 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

7,970 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

9,678 reviews

Delta

8.0

Very good

7,970 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!

Lufthansa

6.8

Okay

7,207 reviews

Delta

8.0

Very good

7,970 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 from for flights from Ottawa to Washington, D.C. Reagan-National?
If you book a flight to Washington, D.C. Reagan-National from Ottawa, you will be flying from Ottawa, which is the city’s only airport. Ottawa (YOW) is located 6.6 mi from the center of Ottawa. There are 2 flights from Ottawa to Washington, D.C. Reagan-National per day from 1 airline.
What are the cheapest airlines flying from Ottawa to Washington, D.C. Reagan-National Airport round-trip?
Flying on Air Canada is currently your cheapest option to Washington, D.C. Reagan-National Airport, with prices starting at $287. Additional round-trip tickets that might be worth considering are offered by United Airlines and WestJet, with the lowest prices starting at $368 and $584, respectively. Air Canada is priced at 23% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Ottawa to Washington, D.C. Reagan-National Airport one-way?
To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $163. United Airlines flights start at $250 while deals on Lufthansa start at $254 one-way.
What are the most reliable airlines from Ottawa to Washington, D.C. Reagan-National Airport?
Before booking your flight to Washington, D.C. Reagan-National Airport from Ottawa, check out the most reliable airlines to get you to your destination on time: Air Canada (93%), Jazz (93%), United Airlines( 93%).
What are the cheapest flights from Ottawa to Washington, D.C. Reagan-National Airport?
Looking for the cheapest flight from Ottawa to Washington, D.C. Reagan-National Airport? While on average our users pay $343, our data indicates the cheapest price to be $149. The most popular route (Ottawa - Washington, D.C. Reagan-National), is priced around $324.
Can I find deals for flights from Ottawa to Reagan-National that include hotel bookings?
Yes. In addition to deals on Ottawa to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ottawa to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Reagan-National.
Can I find deals for business class flights from Ottawa to Reagan-National?
Yes. Cheapflights offers flight deals from Ottawa to Reagan-National 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 Washington, D.C. Reagan-National Airport?
Currently, February is the cheapest month in which you can book a flight from Ottawa to Washington, D.C. Reagan-National Airport (average of $278). Flying from Ottawa to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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

Arlington

Woodbridge

Alexandria

Tysons

Silver Spring

Fredericksburg

Linthicum Heights

Gaithersburg

Fairfax

Easton

Towson

Waldorf

Laurel

Falls Church

Rockville

Springfield

National Harbor

Manassas

Dundalk

Bowie

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Ottawa to Reagan-National

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$275	Average$407	FlexibilityNo cancel fee	On-time67%

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$163+ Cheap flights from Ottawa (YOW) to Reagan-National (DCA)

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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ottawa to Reagan-National with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Ottawa to Washington, D.C. Reagan-National are usually found in March or April, booked 25 days in advance, depart on a Thursday or Saturday and return on a Sunday

Cheap flight deals from Ottawa to Reagan-National

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Ottawa to Reagan-National

Cheapest flights from Ottawa to Reagan-NationalExplore the most affordable flight options available from Ottawa to Reagan-National. 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 Ottawa to Reagan-National. 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 Ottawa to Washington, D.C. Reagan-National Airport that are best for you.

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

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

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to Reagan-National. Price data was last updated on June 27, 2025.

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

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

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

Explore weekly flight availability from Ottawa to Reagan-National. 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 Reagan-National

See what other customers who have flown with Delta, United Airlines, and WestJet from Ottawa to Washington, D.C. Reagan-National Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Reagan-National. 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 from for flights from Ottawa to Washington, D.C. Reagan-National?

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

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

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

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

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

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

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

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

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Alternative routes for Ottawa to Reagan-National

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Top airline flying from Ottawa to Reagan-National

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