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

Porter Airlines, at $259, was found to be the cheapest airline from Ottawa to Washington, D.C..Alternate airlines to your destination round-trip include Air Canada and United Airlines. These flights start at 28% lower than the current average price 3 months from now.

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

The cheapest airlines for a one-way flight from Ottawa to Washington, D.C. are Air Canada ($116), Porter Airlines ($156), and United Airlines ($182).

What is the cheapest day to fly from Ottawa to Washington, D.C.?

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

What are the most popular routes from Ottawa to Washington, D.C.?

While some choose either Ottawa - Washington, D.C. Reagan-National or Ottawa - Baltimore/Washington, Ottawa - Washington, D.C. Dulles Intl is the most popular route from Ottawa to Washington, D.C..

What are the cheapest flights from Ottawa to Washington, D.C.?

While on average a flight from Ottawa to Washington, D.C. is generally $770, our data shows the cheapest flight currently is $161. When looking at the most popular route, (Ottawa - Washington, D.C. Dulles Intl), you can expect to pay $268 for that flight.

What are the most reliable airlines from Ottawa to Washington, D.C.?

Consider Avianca (100%), GoJet (77%) or Air Canada (77%) when booking your flight. These represent the most reliable airlines when flying from Ottawa to Washington, D.C..

What are the most popular airlines that fly from Ottawa to Washington, D.C.?

The most popular airlines flying from Ottawa to Washington, D.C. are Air Canada, Porter Airlines and United Airlines. Something to consider prior to booking your flight.

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

Flying to your destination on a Tuesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Washington, D.C.. Check prices with Cheapflights to find a great deal for your trip.

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

To save on the cost of your flight from Ottawa to Washington, D.C., book at least 59 days before your planned departure. Booking around this time can save you about 255% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $366 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $626.

What is the cheapest month to fly from Ottawa to Washington, D.C.?

Due to multiple factors, expect to potentially pay more when booking in October. For low rates, February can be a great choice for travel to Washington, D.C.. Flights to Washington, D.C. from Ottawa in February are about $360 on average during February, but can be found for as low as $252.

Most accurate provider : When it comes to deals on Ottawa-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ottawa-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ottawa-Washington, D.C. flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Ottawa-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ottawa-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

If you book a flight to Washington, D.C. 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 5 flights from Ottawa to Washington, D.C. per day from 3 different airlines.

Can I find deals for flights from Ottawa to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Ottawa to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ottawa to Washington, D.C.?

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

Can I find deals for business class flights from Ottawa to Washington, D.C.?

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

$116+ Flights from Ottawa to Washington, D.C.

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Ottawa to Washington, D.C. are usually found in February or January, booked 58 days in advance, depart on a Thursday or Tuesday and return on a Saturday

Cheap flight deals from Ottawa to Washington, D.C.

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$259 (oojo)
One-way from	$116 (MaxMilhas)
Popular in	October
Cheapest in	February
Average price	$378

Provider with most accurate pricing for Ottawa-Washington, D.C. (WAS) flight deals.

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Provider most trusted by Cheapflights users for Ottawa-Washington, D.C. (WAS) flights.

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From Ottawa to Washington, D.C. (WAS)

Search Deals

One-way flight from Ottawa to Washington, D.C. (WAS)

Search Deals

High demand for flights, 4% potential price rise

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Best time to find cheap flights, 1% potential price drop

Search Deals

Average for round-trip flights in December 2024

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Find flight deals from Ottawa to Washington, D.C.

Cheapest flights from Ottawa to Washington, D.C.
Explore the most affordable flight options available from Ottawa to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2024.

Mon 12/303:50 pmYOW - IAD

1 stop6h 34mPorter Airlines

Fri 1/37:00 amIAD - YOW

1 stop4h 11mPorter Airlines

Deal found 12/20

$408

Sat 12/285:45 amYOW - DCA

1 stop4h 34mAir Canada

Mon 1/134:10 pmDCA - YOW

1 stop5h 58mAir Canada

Deal found 12/20

$473

Sat 12/289:45 amYOW - IAD

Nonstop1h 53mAir Canada

Mon 1/1310:35 amIAD - YOW

1 stop4h 37mAir Canada

Deal found 12/20

$478

Tue 12/3110:30 amYOW - DCA

Nonstop1h 50mUnited Airlines

Tue 12/314:00 pmDCA - YOW

1 stop6h 01mUnited Airlines

Deal found 12/20

$486

Tue 12/317:00 amYOW - IAD

1 stop5h 59mMultiple Airlines

Sun 1/51:45 pmIAD - YOW

1 stop10h 25mMultiple Airlines

Deal found 12/20

$532

Tue 12/319:45 amYOW - IAD

Nonstop1h 53mUnited Airlines

Tue 12/315:37 pmIAD - YOW

1 stop4h 24mUnited Airlines

Deal found 12/20

$549

Tue 12/319:20 amYOW - BWI

1 stop8h 17mMultiple Airlines

Mon 1/69:52 amBWI - YOW

1 stop10h 17mMultiple Airlines

Deal found 12/20

$588

Fri 12/2710:30 amYOW - DCA

Nonstop1h 50mMultiple Airlines

Fri 1/312:55 pmDCA - YOW

Nonstop1h 40mMultiple Airlines

Deal found 12/20

$589

Sat 12/285:55 amYOW - BWI

2 stops32h 11mWestJet

Mon 1/138:15 amBWI - YOW

2 stops35h 08mWestJet

Deal found 12/20

$796

Mon 12/239:35 pmYOW - IAD

2 stops16h 21mWestJet

Sun 1/56:00 amIAD - YOW

2 stops18h 10mWestJet

Deal found 12/20

$880

Thu 12/265:55 amYOW - DCA

2 stops13h 05mWestJet

Mon 12/307:15 amDCA - YOW

2 stops16h 55mWestJet

Deal found 12/20

$912

Mon 12/235:55 amYOW - IAD

2 stops9h 40mDelta

Sun 12/295:27 pmIAD - YOW

2 stops21h 49mDelta

Deal found 12/20

$1,117

Best flights from Ottawa to Washington, D.C.
Discover carefully curated flight deals from Ottawa to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 21, 2024.

Fri 2/149:30 amYOW - IAD

1 stop3h 19mPorter Airlines

Mon 2/172:10 pmIAD - YOW

1 stop4h 24mPorter Airlines

Deal found 12/21

$259

Fri 2/287:30 pmYOW - IAD

Nonstop1h 53mAir Canada

Mon 3/38:24 amIAD - YOW

1 stop3h 54mAir Canada

Deal found 12/20

$316

Tue 2/49:20 amYOW - BWI

1 stop9h 36mMultiple Airlines

Tue 2/116:20 amBWI - YOW

1 stop11h 35mMultiple Airlines

Deal found 12/21

$350

Wed 1/1510:30 amYOW - DCA

Nonstop1h 50mUnited Airlines

Thu 1/2312:55 pmDCA - YOW

Nonstop1h 40mUnited Airlines

Deal found 12/20

$376

Fri 1/175:55 amYOW - IAD

2 stops17h 21mWestJet

Thu 1/2312:31 pmIAD - YOW

3 stops17h 02mWestJet

Deal found 12/19

$498

Tue 1/285:55 amYOW - BWI

2 stops10h 48mDelta

Fri 1/3112:41 pmBWI - YOW

2 stops11h 29mDelta

Deal found 12/21

$575

Fri 2/2810:30 amYOW - DCA

Nonstop1h 50mAir Canada

Mon 3/36:00 amDCA - YOW

1 stop3h 42mAir Canada

Deal found 12/20

$316

Fri 1/172:05 pmYOW - IAD

Nonstop1h 53mUnited Airlines

Tue 1/215:08 pmIAD - YOW

Nonstop1h 46mUnited Airlines

Deal found 12/19

$377

Wed 1/1510:30 amYOW - DCA

Nonstop1h 50mMultiple Airlines

Thu 1/2311:10 amDCA - YOW

1 stop3h 53mMultiple Airlines

Deal found 12/20

$381

Mon 2/39:30 amYOW - IAD

1 stop3h 19mMultiple Airlines

Mon 2/1012:29 pmIAD - YOW

2 stops11h 40mMultiple Airlines

Deal found 12/20

$412

Mon 1/275:55 amYOW - BWI

2 stops10h 48mWestJet

Thu 1/3012:41 pmBWI - YOW

2 stops11h 29mWestJet

Deal found 12/21

$572

Tue 1/285:55 amYOW - DCA

2 stops12h 38mDelta

Fri 1/318:55 amDCA - YOW

2 stops15h 15mDelta

Deal found 12/20

$725

Last-minute flights from Ottawa to Washington, D.C.
Discover last-minute flight deals from Ottawa to Washington, D.C.. Data last updated December 21, 2024 and is based on user searches.

Thu 12/265:55 amYOW - DCA

2 stops13h 05mWestJet

Mon 12/307:15 amDCA - YOW

2 stops16h 55mWestJet

Deal found 12/20

$912

Sat 12/285:45 amYOW - DCA

1 stop4h 34mAir Canada

Mon 1/1312:55 pmDCA - YOW

Nonstop1h 40mAir Canada

Deal found 12/20

$473

Sat 12/289:45 amYOW - IAD

Nonstop1h 53mAir Canada

Mon 1/1310:35 amIAD - YOW

1 stop4h 37mAir Canada

Deal found 12/20

$478

Sat 12/285:55 amYOW - BWI

2 stops32h 11mWestJet

Mon 1/138:15 amBWI - YOW

2 stops35h 08mWestJet

Deal found 12/20

$796

Sat 12/285:55 amYOW - IAD

2 stops15h 45mWestJet

Mon 1/136:00 amIAD - YOW

2 stops18h 10mWestJet

Deal found 12/20

$1,026

Sun 12/2910:30 amYOW - DCA

Nonstop1h 50mMultiple Airlines

Fri 1/312:55 pmDCA - YOW

Nonstop1h 40mMultiple Airlines

Deal found 12/20

$591

Mon 12/303:50 pmYOW - IAD

1 stop6h 34mPorter Airlines

Fri 1/37:00 amIAD - YOW

1 stop4h 11mPorter Airlines

Deal found 12/20

$408

Tue 12/3110:30 amYOW - DCA

Nonstop1h 50mUnited Airlines

Tue 12/314:00 pmDCA - YOW

1 stop6h 01mUnited Airlines

Deal found 12/20

$486

Tue 12/317:00 amYOW - IAD

1 stop5h 59mMultiple Airlines

Sun 1/51:45 pmIAD - YOW

1 stop10h 25mMultiple Airlines

Deal found 12/20

$532

Tue 12/319:45 amYOW - IAD

Nonstop1h 53mUnited Airlines

Tue 12/315:37 pmIAD - YOW

1 stop4h 24mUnited Airlines

Deal found 12/20

$549

Tue 12/319:20 amYOW - BWI

1 stop8h 17mMultiple Airlines

Mon 1/69:52 amBWI - YOW

1 stop10h 17mMultiple Airlines

Deal found 12/20

$588

Tue 1/146:00 amYOW - IAD

1 stop5h 41mUnited Airlines

Tue 1/1410:24 pmIAD - YOW

2 stops17h 52mUnited Airlines

Deal found 12/21

$332

One-way flights from Ottawa to Washington, D.C.
Search for one-way flight options from Ottawa to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated December 21, 2024.

Wed 3/2610:30 amYOW - DCA

Nonstop1h 50mAir Canada

Deal found 12/20

$116

Wed 3/268:25 amYOW - IAD

1 stop5h 26mAir Canada

Deal found 12/20

$155

Fri 2/148:40 amYOW - IAD

1 stop4h 09mPorter Airlines

Deal found 12/21

$156

Wed 3/267:30 pmYOW - IAD

Nonstop1h 53mUnited Airlines

Deal found 12/21

$182

Mon 2/35:00 pmYOW - BWI

1 stop20h 48mMultiple Airlines

Deal found 12/20

$195

Fri 2/146:00 amYOW - DCA

1 stop3h 54mUnited Airlines

Deal found 12/21

$224

Sat 2/84:10 pmYOW - IAD

3 stops31h 03mMultiple Airlines

Deal found 12/19

$293

Sat 2/84:10 pmYOW - DCA

3 stops25h 50mMultiple Airlines

Deal found 12/19

$337

Sun 3/305:55 amYOW - DCA

2 stops10h 34mWestJet

Deal found 12/20

$389

Mon 12/306:15 amYOW - IAD

2 stops17h 04mWestJet

Deal found 12/21

$626

Find flights from Ottawa to Washington, D.C. within your budget

Fly from

Fly to

Route

Depart

Return

Price

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 2/14

9:30 am-12:49 pm

1 stop3h 19m

Washington, D.C. Dulles Intl

Mon 2/17

2:10 pm-6:34 pm

1 stop4h 24m

$259

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 2/28

7:30 pm-9:23 pm

Nonstop1h 53m

Washington, D.C. Dulles Intl

Mon 3/3

8:24 am-12:18 pm

1 stop3h 54m

$316

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 2/28

10:30 am-12:20 pm

Nonstop1h 50m

Washington, D.C. Reagan-National

Mon 3/3

6:00 am-9:42 am

1 stop3h 42m

$316

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Tue 1/14

6:00 am-11:41 am

1 stop5h 41m

Washington, D.C. Dulles Intl

Tue 1/14

10:24 pm-4:16 pm

2 stops17h 52m

$332

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Tue 2/4

9:20 am-6:56 pm

1 stop9h 36m

Baltimore/Washington

Tue 2/11

6:20 am-5:55 pm

1 stop11h 35m

$350

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Wed 1/15

10:30 am-12:20 pm

Nonstop1h 50m

Washington, D.C. Reagan-National

Thu 1/23

12:55 pm-2:35 pm

Nonstop1h 40m

$376

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Wed 1/15

10:30 am-12:20 pm

Nonstop1h 50m

Washington, D.C. Reagan-National

Thu 1/23

11:10 am-3:03 pm

1 stop3h 53m

$381

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 1/16

9:45 am-11:38 am

Nonstop1h 53m

Washington, D.C. Dulles Intl

Sun 1/19

6:05 am-1:20 pm

1 stop7h 15m

$382

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 1/17

5:55 am-11:16 pm

2 stops17h 21m

Washington, D.C. Dulles Intl

Thu 1/23

12:31 pm-5:33 am

3 stops17h 02m

$498

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 1/27

5:55 am-4:43 pm

2 stops10h 48m

Baltimore/Washington

Thu 1/30

12:41 pm-12:10 am

2 stops11h 29m

$572

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 26 results

Compare providers for flights from Ottawa to Washington, D.C.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ottawa to Washington, D.C. in December.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Ottawa-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ottawa-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ottawa-Washington, D.C. flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Ottawa-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ottawa-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ottawa to Washington, D.C.

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

Travel insights for flights from Ottawa to Washington, D.C.

Get recent, data-driven insights about flights from Ottawa to Washington, D.C. including ideal travel times, pricing trends, and more.

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

The price you pay for your flight from Ottawa to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 58 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Ottawa to Washington, D.C. (average of $309). Flying from Ottawa to Washington, D.C. in June is currently the most expensive (average of $389). 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 WAS?

Unlike at noon, when flights are generally more expensive, you can save up to 35% on flights from Ottawa to Washington, D.C. by exploring options for tickets in the afternoon.

Weekly flight availability from Ottawa to Washington, D.C.

The most flights from YOW to WAS are scheduled on a Friday (6 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Washington, D.C. by month

In terms of precipitation, rainfall in Washington, D.C. 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. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

If weather is an important factor for your trip to Washington, D.C., 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).

Reviews of airlines servicing Washington, D.C.

Get a feel of what it's like to fly with WestJet, United Airlines and Delta from Ottawa to Washington, D.C. by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

8,597 reviews

Reviews

1 / 10

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

Delta

8.0

Very good

8,597 reviews

Delta

8.0

Very good

8,597 reviews

Reviews

1 / 10

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

Porter Airlines

7.9

Good

283 reviews

Delta

8.0

Very good

8,597 reviews

Reviews

1 / 10

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

United Airlines

7.4

Good

9,035 reviews

Delta

8.0

Very good

8,597 reviews

Reviews

1 / 10

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

WestJet

7.3

Good

2,814 reviews

Delta

8.0

Very good

8,597 reviews

Reviews

1 / 10

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

Air Canada

7.0

Good

8,403 reviews

Delta

8.0

Very good

8,597 reviews

Reviews

1 / 10

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

Related info for your journey

What airport do you fly from for flights from Ottawa to Washington, D.C.?
If you book a flight to Washington, D.C. 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 5 flights from Ottawa to Washington, D.C. per day from 3 different airlines.
What are the cheapest airlines flying from Ottawa to Washington, D.C. round-trip?
Porter Airlines, at $259, was found to be the cheapest airline from Ottawa to Washington, D.C..Alternate airlines to your destination round-trip include Air Canada and United Airlines. These flights start at 28% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Ottawa to Washington, D.C. one-way?
The cheapest airlines for a one-way flight from Ottawa to Washington, D.C. are Air Canada ($116), Porter Airlines ($156), and United Airlines ($182).
What are the most popular routes from Ottawa to Washington, D.C.?
While some choose either Ottawa - Washington, D.C. Reagan-National or Ottawa - Baltimore/Washington, Ottawa - Washington, D.C. Dulles Intl is the most popular route from Ottawa to Washington, D.C..
What are the most reliable airlines from Ottawa to Washington, D.C.?
Consider Avianca (100%), GoJet (77%) or Air Canada (77%) when booking your flight. These represent the most reliable airlines when flying from Ottawa to Washington, D.C..
What are the cheapest flights from Ottawa to Washington, D.C.?
While on average a flight from Ottawa to Washington, D.C. is generally $770, our data shows the cheapest flight currently is $161. When looking at the most popular route, (Ottawa - Washington, D.C. Dulles Intl), you can expect to pay $268 for that flight.
Can I find deals for flights from Ottawa to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Ottawa to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ottawa to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Washington, D.C..
Can I find deals for business class flights from Ottawa to Washington, D.C.?
Yes. Cheapflights offers flight deals from Ottawa to Washington, D.C. 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.?
Currently, August is the cheapest month in which you can book a flight from Ottawa to Washington, D.C. (average of $309). Flying from Ottawa to Washington, D.C. in June is currently the most expensive (average of $389). 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

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Ottawa to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$240	Average$467	FlexibilityNo cancel fee	On-time69%
Air Canada	Cheapest$247	Average$382	FlexibilityNo cancel fee	On-time67%
Porter Airlines	Cheapest$262	Average$379	FlexibilityNo cancel fee	On-time52%

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$116+ Cheap flights from Ottawa (YOW) to Washington, D.C. (WAS)

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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ottawa to Washington, D.C. with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

The best prices from Ottawa to Washington, D.C. are usually found in February or January, booked 58 days in advance, depart on a Thursday or Tuesday and return on a Saturday

Cheap flight deals from Ottawa to Washington, D.C.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ottawa to Washington, D.C.

Cheapest flights from Ottawa to Washington, D.C.Explore the most affordable flight options available from Ottawa to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2024.

Explore the most affordable flight options available from Ottawa to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2024.

Find flights from Ottawa to Washington, D.C. within your budget

Compare providers for flights from Ottawa to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ottawa to Washington, D.C. in December.

Best time to book a flight from Ottawa to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Ottawa with our price prediction graph.

Travel insights for flights from Ottawa to Washington, D.C.

Get recent, data-driven insights about flights from Ottawa to Washington, D.C. including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to Washington, D.C.. Price data was last updated on December 13, 2024.

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

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

Find hourly flight availability from Ottawa to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 21, 2024.

Weekly flight availability from Ottawa to Washington, D.C.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

Get a feel of what it's like to fly with WestJet, United Airlines and Delta from Ottawa to Washington, D.C. by reading reviews from past customers. 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 Ottawa to Washington, D.C.. 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.?

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

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

What are the most popular routes from Ottawa to Washington, D.C.?

What are the most reliable airlines from Ottawa to Washington, D.C.?

What are the cheapest flights from Ottawa to Washington, D.C.?

Can I find deals for flights from Ottawa to Washington, D.C. that include hotel bookings?

How can I find direct flights from Ottawa to Washington, D.C.?

Can I find deals for business class flights from Ottawa to Washington, D.C.?

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

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Alternative routes for Ottawa to Washington, D.C.

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Top 3 airlines flying from Ottawa to Washington, D.C.

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Cheapest flights from Ottawa to Washington, D.C.
Explore the most affordable flight options available from Ottawa to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2024.