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Cheap flights from Ottawa to Washington, D.C. Reagan-National Airport from C$ 238

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 28/5. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — DCA
20 Apr — 27 Apr1
1 adult

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 Friday or Saturday and return on a Tuesday

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 15 April 2025.

Round-trip from

C$ 409

One-way from

C$ 238

Popular in

December

Cheapest in

March

Average price

C$ 460

Good round-trip deal

C$ 433 or less

Good one-way deal

C$ 245 or less
Air Canada
  • Air Canada
  • 8/5-15/5
  • 2 total stops
  • 9h 09m total
  • Ottawa to Washington, D.C.
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Air Canada
  • Air Canada
  • 28/5
  • Nonstop
  • 1h 36m total
  • Ottawa to Washington, D.C.
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Highest demand for flights based on searches. 4% potential increase in price (C$ 29 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
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Average for round-trip flights in April 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 15 April 2025.

Thu 8/511:05 a.m.YOW - DCA
1 stop4h 44mAir Canada
Thu 15/56:00 a.m.DCA - YOW
1 stop4h 25mAir Canada
Deal found 15/4C$ 409
Thu 8/55:55 a.m.YOW - DCA
1 stop12h 08mMultiple Airlines
Sun 11/56:00 a.m.DCA - YOW
2 stops18h 22mMultiple Airlines
Deal found 15/4C$ 426
Mon 2/65:55 a.m.YOW - DCA
2 stops16h 54mWestJet
Fri 6/66:00 a.m.DCA - YOW
2 stops18h 22mWestJet
Deal found 14/4C$ 624
Mon 2/65:15 a.m.YOW - DCA
2 stops9h 09mUnited Airlines
Fri 6/66:59 a.m.DCA - YOW
1 stop6h 10mUnited Airlines
Deal found 14/4C$ 808
Fri 30/55:55 a.m.YOW - DCA
2 stops27h 03mDelta
Mon 2/66:00 a.m.DCA - YOW
2 stops18h 22mDelta
Deal found 14/4C$ 847

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 15 April 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

Thu 8/5

11:05 a.m.-3:49 p.m.

1 stop4h 44m

Washington, D.C. Reagan-National

Thu 15/5

6:00 a.m.-10:25 a.m.

1 stop4h 25m

C$ 409

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 8/5

5:55 a.m.-6:03 p.m.

1 stop12h 08m

Washington, D.C. Reagan-National

Sun 11/5

6:00 a.m.-12:22 a.m.

2 stops18h 22m

C$ 426

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Mon 2/6

5:55 a.m.-10:49 p.m.

2 stops16h 54m

Washington, D.C. Reagan-National

Fri 6/6

6:00 a.m.-12:22 a.m.

2 stops18h 22m

C$ 624

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Mon 2/6

5:15 a.m.-2:24 p.m.

2 stops9h 09m

Washington, D.C. Reagan-National

Fri 6/6

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

1 stop6h 10m

C$ 808

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 30/5

5:55 a.m.-8:58 a.m.

2 stops27h 03m

Washington, D.C. Reagan-National

Mon 2/6

6:00 a.m.-12:22 a.m.

2 stops18h 22m

C$ 847

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Wed 28/5

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

Nonstop1h 36m

C$ 238

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Wed 28/5

5:55 a.m.-10:49 p.m.

2 stops16h 54m

C$ 321

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 29/5

7:00 a.m.-3:59 p.m.

2 stops8h 59m

C$ 394

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/4

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 11 April 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 25 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 June is currently the most expensive (average of C$ 375). 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 15 April 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 12% on the flight price compared to flying in the morning, which is usually more expensive.

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 15 April 2025.

The most flights from YOW to DCA are scheduled on a Monday (2 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 66.0 - 102.0 mm per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 66.0 mm.

Temperature in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average temperature totals by month.

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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 15 April 2025.
To help decide which airline to fly from Ottawa to Washington, D.C., see what other customers have to say about Delta, United Airlines and WestJet. 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.
Delta
8.0
Very good
7,918 reviews
Check prices

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,918 reviews
Delta
8.0
Very good
7,918 reviews
Check prices

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,658 reviews
Delta
8.0
Very good
7,918 reviews
Check prices

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
WestJet
7.2
Good
2,805 reviews
Delta
8.0
Very good
7,918 reviews
Check prices

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Canada
7.0
Good
9,127 reviews
Delta
8.0
Very good
7,918 reviews
Check prices

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

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

    According to our current data, Air Canada (C$ 409), WestJet (C$ 624), and United Airlines (C$ 808) offers the cheapest pricing from Ottawa to Washington, D.C. Reagan-National Airport. Air Canada is 20% 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 (56%), Jazz (56%), United Airlines( 56%).

  • 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$ 628, our data shows the cheapest flight currently is C$ 189. When looking at the most popular route, (Ottawa - Washington, D.C. Reagan-National), you can expect to pay C$ 445 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 June is currently the most expensive (average of C$ 375). 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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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 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 208AverageC$ 449FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 298AverageC$ 533FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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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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