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Cheap flights from Ottawa to Washington, D.C. Reagan-National Airport from C$ 231

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — DCA
25 Aug — 1 Sep1
1 adult

Cheapflights Tip: The best prices from Ottawa to Washington, D.C. Reagan-National are usually found in March or January, booked 48 days in advance, depart on a Friday or Wednesday and return on a Friday

Cheap flight deals from Ottawa to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 20 August 2025.

Round-trip from

C$ 382

One-way from

C$ 231

Popular in

July

Cheapest in

March

Average price

C$ 512

Good round-trip deal

C$ 544 or less

Good one-way deal

C$ 373 or less
Air Canada
  • Air Canada
  • 15/10-18/10
  • 2 total stops
  • 8h 57m total
  • Ottawa to Washington, D.C.
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Air Canada
  • Air Canada
  • 12/10
  • Nonstop
  • 1h 43m total
  • Ottawa to Washington, D.C.
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Highest demand for flights based on searches. 6% potential increase in price (C$ 47 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 21 potential savings vs. average RT price).
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Average for round-trip flights in August 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 20 August 2025.

Wed 15/1011:05 a.m.YOW - DCA
1 stop4h 46mAir Canada
Sat 18/109:40 a.m.DCA - YOW
1 stop4h 11mAir Canada
Deal found 20/8C$ 382
Wed 15/106:00 a.m.YOW - DCA
1 stop4h 20mAir Canada
Wed 15/1012:55 p.m.DCA - YOW
Nonstop1h 31mAir Canada
Deal found 20/8C$ 389
Thu 2/106:00 a.m.YOW - DCA
1 stop4h 20mAir Canada
Sun 5/106:00 a.m.DCA - YOW
1 stop4h 28mAir Canada
Deal found 19/8C$ 391
Thu 2/1011:05 a.m.YOW - DCA
1 stop4h 46mAir Canada
Thu 9/106:59 a.m.DCA - YOW
1 stop4h 05mAir Canada
Deal found 18/8C$ 394
Thu 27/1110:30 a.m.YOW - DCA
Nonstop1h 49mAir Canada
Sun 30/116:00 a.m.DCA - YOW
1 stop3h 42mAir Canada
Deal found 18/8C$ 401
Sat 22/1110:50 a.m.YOW - DCA
1 stop4h 41mAir Canada
Sun 30/116:00 a.m.DCA - YOW
1 stop3h 42mAir Canada
Deal found 18/8C$ 408
Tue 16/910:25 a.m.YOW - DCA
Nonstop1h 43mAir Canada
Thu 18/912:55 p.m.DCA - YOW
Nonstop1h 31mAir Canada
Deal found 20/8C$ 423
Mon 27/1010:30 a.m.YOW - DCA
Nonstop1h 49mAir Canada
Wed 29/106:00 a.m.DCA - YOW
1 stop3h 42mAir Canada
Deal found 19/8C$ 425
Tue 16/910:25 a.m.YOW - DCA
Nonstop1h 43mAir Canada
Fri 19/96:59 a.m.DCA - YOW
1 stop4h 05mAir Canada
Deal found 20/8C$ 433

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Reagan-National that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 20 August 2025.
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

Ottawa

Fly to

Reagan-National

Route

Depart

Return

Price

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Wed 15/10

11:05 a.m.-3:51 p.m.

1 stop4h 46m

Washington, D.C. Reagan-National

Sat 18/10

9:40 a.m.-1:51 p.m.

1 stop4h 11m

C$ 382

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Wed 15/10

6:00 a.m.-10:20 a.m.

1 stop4h 20m

Washington, D.C. Reagan-National

Wed 15/10

12:55 p.m.-2:26 p.m.

Nonstop1h 31m

C$ 389

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 2/10

6:00 a.m.-10:20 a.m.

1 stop4h 20m

Washington, D.C. Reagan-National

Thu 9/10

12:55 p.m.-2:26 p.m.

Nonstop1h 31m

C$ 391

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 2/10

6:00 a.m.-10:20 a.m.

1 stop4h 20m

Washington, D.C. Reagan-National

Sun 5/10

6:00 a.m.-10:28 a.m.

1 stop4h 28m

C$ 391

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 27/11

10:30 a.m.-12:19 p.m.

Nonstop1h 49m

Washington, D.C. Reagan-National

Sun 30/11

6:00 a.m.-9:42 a.m.

1 stop3h 42m

C$ 401

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Sat 22/11

10:50 a.m.-3:31 p.m.

1 stop4h 41m

Washington, D.C. Reagan-National

Sun 30/11

6:00 a.m.-9:42 a.m.

1 stop3h 42m

C$ 408

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Sun 12/10

10:25 a.m.-12:08 p.m.

Nonstop1h 43m

C$ 231

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Wed 17/9

6:00 a.m.-10:20 a.m.

1 stop4h 20m

C$ 246

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Sat 4/10

11:05 a.m.-3:51 p.m.

1 stop4h 46m

C$ 246

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Tue 14/10

10:25 a.m.-12:08 p.m.

Nonstop1h 43m

C$ 246

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/8

Showing 1-10 of 12 results
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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?

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 8 August 2025.

To ensure you get the cheapest price possible for a flight from Ottawa to Washington, D.C. Reagan-National Airport, you should look to book at least 48 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, March is the cheapest month in which you can book a flight from Ottawa to Washington, D.C. Reagan-National Airport (average of C$ 263). Flying from Ottawa to Washington, D.C. Reagan-National Airport in August is currently the most expensive (average of C$ 344). 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?

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 20 August 2025.

It’s typically best to fly out from Ottawa to Washington, D.C. Reagan-National Airport at noon. Doing so could potentially save you 26% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. 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 Reagan-National. Reviews last updated 20 August 2025.
Read reviews from past customers who have flown United Airlines and Air Canada from Ottawa to Washington, D.C. Reagan-National Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,928 reviews
Check prices

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
United Airlines
7.4
Good
8,928 reviews
United Airlines
7.4
Good
8,928 reviews
Check prices

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
Air Canada
7.1
Good
10,000 reviews
United Airlines
7.4
Good
8,928 reviews
Check prices

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

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?

    For a flight from Ottawa to Washington, D.C. Reagan-National, you will be flying from Ottawa. Ottawa (YOW) is just 10.6 km from the centre of the city. Ottawa is the only Ottawa airport and it handles 1 outbound flight to Washington, D.C. Reagan-National per day. 2 airlines have flights to Washington, D.C. Reagan-National from Ottawa on a regular basis.

  • How long is the flight from Ottawa to Washington, D.C. Reagan-National Airport?

    Departing from Ottawa to Washington, D.C. Reagan-National Airport will take you 4h 46m. There are 727 km between Ottawa and Washington, D.C. Reagan-National Airport.

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

    According to our current data, United Airlines (C$ 335), and Air Canada (C$ 341) offers the cheapest pricing from Ottawa to Washington, D.C. Reagan-National Airport. United Airlines is 36% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 (84%), Jazz (84%), United Airlines( 84%).

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

    While on average a flight from Ottawa to Washington, D.C. Reagan-National Airport is generally C$ 865, our data shows the cheapest flight currently is C$ 299. When looking at the most popular route, (Ottawa - Washington, D.C. Reagan-National), you can expect to pay C$ 468 for that flight.

  • 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, March is the cheapest month in which you can book a flight from Ottawa to Washington, D.C. Reagan-National Airport (average of C$ 263). Flying from Ottawa to Washington, D.C. Reagan-National Airport in August is currently the most expensive (average of C$ 344). 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

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

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Herndon
Hanover
Reston
Fairfax
Ellicott City
Oxon Hill
Gaithersburg
Arlington
Alexandria
Manassas
Fredericksburg
Rockville

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Top 2 airlines flying from Ottawa to Reagan-National

Discover the top 2 airlines that operate flights from Ottawa to Reagan-National. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 20 August 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 335AverageC$ 447FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 341AverageC$ 512FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ottawa to Reagan-National?

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Reagan-National from Ottawa.

Can Cheapflights find flights from Ottawa to Reagan-National with no change fees?

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

Can Cheapflights notify me if prices for flights from Ottawa to Reagan-National become cheaper?

Yes! Start tracking prices for Ottawa to Reagan-National flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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