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Cheap flights from Ottawa to Washington, D.C. Reagan-National Airport from C$ 259

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 17/7. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — DCA
5 Aug — 12 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Reagan-National

Enter your travel dates to find the best prices.

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 6 July 2026.

Thu 13/86:00 a.m.
YOW
-
DCA
1 stop4h 18m
Air Canada
Sun 16/812:40 p.m.
DCA
-
YOW
Nonstop1h 31m
Air Canada
Deal found 2/7C$ 488
Thu 13/810:25 a.m.
YOW
-
DCA
Nonstop1h 35m
Air Canada
Mon 31/812:40 p.m.
DCA
-
YOW
Nonstop1h 31m
Air Canada
Deal found 4/7C$ 489
Fri 31/710:25 a.m.
YOW
-
DCA
Nonstop1h 35m
Air Canada
Fri 7/88:40 p.m.
DCA
-
YOW
1 stop4h 05m
Air Canada
Deal found 3/7C$ 495
Thu 30/75:10 a.m.
YOW
-
DCA
1 stop3h 42m
Air Canada
Sun 2/86:00 a.m.
DCA
-
YOW
1 stop3h 39m
Air Canada
Deal found 6/7C$ 507
Tue 21/75:45 p.m.
YOW
-
DCA
1 stop4h 03m
Air Canada
Fri 24/712:40 p.m.
DCA
-
YOW
Nonstop1h 31m
Air Canada
Deal found 3/7C$ 509
Tue 4/86:00 a.m.
YOW
-
DCA
1 stop4h 18m
Air Canada
Fri 7/88:40 p.m.
DCA
-
YOW
1 stop4h 05m
Air Canada
Deal found 5/7C$ 520

Find 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 6 July 2026.

Round-trip from

C$ 482

One-way from

C$ 259

Popular in

October

Cheapest in

January

Average price

C$ 698

Good round-trip deal

C$ 817 or less

Good one-way deal

C$ 424 or less
Air Canada
  • Air Canada
  • 29/7-5/8
  • Nonstop
  • 3h 06m total
  • Ottawa to Washington, D.C.
Search Deals
Air Canada
  • Air Canada
  • 17/7
  • Nonstop
  • 1h 35m total
  • Ottawa to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 104 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Ottawa to Washington, D.C. Reagan-National.
Search Deals
Price to beat on a one-way flight from Ottawa to Washington, D.C. Reagan-National.
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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 6 July 2026.
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

Cheapest round-trip

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 13/8

5:45 p.m.-9:48 p.m.

1 stop4h 03m

Washington, D.C. Reagan-National

Sun 16/8

6:00 a.m.-9:39 a.m.

1 stop3h 39m

C$ 493

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 7/8

6:00 a.m.-10:18 a.m.

1 stop4h 18m

Washington, D.C. Reagan-National

Mon 10/8

6:00 a.m.-9:39 a.m.

1 stop3h 39m

C$ 526
Quickest round-trip

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Sun 9/8

10:25 a.m.-12:00 p.m.

Nonstop1h 35m

Washington, D.C. Reagan-National

Thu 13/8

12:40 p.m.-2:11 p.m.

Nonstop1h 31m

C$ 529

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 31/7

10:25 a.m.-12:00 p.m.

Nonstop1h 35m

Washington, D.C. Reagan-National

Fri 7/8

12:40 p.m.-2:11 p.m.

Nonstop1h 31m

C$ 567

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 16/7

3:10 p.m.-9:48 p.m.

1 stop6h 38m

Washington, D.C. Reagan-National

Mon 20/7

12:40 p.m.-2:11 p.m.

Nonstop1h 31m

C$ 567

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 11/9

10:25 a.m.-12:00 p.m.

Nonstop1h 35m

Washington, D.C. Reagan-National

Tue 15/9

12:40 p.m.-2:12 p.m.

Nonstop1h 32m

C$ 611

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Wed 2/9

6:25 a.m.-3:42 p.m.

1 stop9h 17m

Washington, D.C. Reagan-National

Sat 5/9

6:30 a.m.-9:35 p.m.

1 stop15h 05m

C$ 620

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Sun 9/8

6:05 a.m.-9:35 a.m.

1 stop3h 30m

Washington, D.C. Reagan-National

Thu 13/8

8:30 a.m.-9:35 p.m.

1 stop13h 05m

C$ 620

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 17/9

10:25 a.m.-12:00 p.m.

Nonstop1h 35m

Washington, D.C. Reagan-National

Wed 23/9

12:40 p.m.-2:12 p.m.

Nonstop1h 32m

C$ 749

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Tue 21/7

7:00 a.m.-10:20 p.m.

2 stops15h 20m

Washington, D.C. Reagan-National

Fri 24/7

2:58 p.m.-9:20 p.m.

1 stop6h 22m

C$ 790

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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

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

Currently, January is the cheapest month in which you can book a flight from Ottawa to Washington, D.C. Reagan-National Airport (average of C$ 370). Flying from Ottawa to Washington, D.C. Reagan-National Airport in October is currently the most expensive (average of C$ 877). 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.

How much does it cost to fly round-trip from Ottawa to Washington, D.C. Reagan-National Airport?

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 6 July 2026.
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
9,940 reviews
Check prices

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,940 reviews
United Airlines
7.4
Good
9,940 reviews
Check prices

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Air Canada
7.1
Good
11,308 reviews
United Airlines
7.4
Good
9,940 reviews
Check prices

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 03m. 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$ 274), and Air Canada (C$ 370) offers the cheapest pricing from Ottawa to Washington, D.C. Reagan-National Airport. United Airlines is 51% 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 (83%), Jazz (83%), United Airlines( 83%).

  • 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$ 626, our data shows the cheapest flight currently is C$ 290. When looking at the most popular route, (Ottawa - Washington, D.C. Reagan-National), you can expect to pay C$ 522 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, January is the cheapest month in which you can book a flight from Ottawa to Washington, D.C. Reagan-National Airport (average of C$ 370). Flying from Ottawa to Washington, D.C. Reagan-National Airport in October is currently the most expensive (average of C$ 877). 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
Silver Spring
Fairfax
Hanover
Oxon Hill
Gaithersburg
Reston
Herndon
Ellicott City
Arlington
Fredericksburg
Alexandria
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 6 July 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 274AverageC$ 515FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 370AverageC$ 534FlexibilityNo 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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