Question 1

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

Accepted Answer

Our cheapest airline available from Washington, D.C. to Ottawa is Air Canada. Our recent data shows that you can find tickets from as low as £225 on this airline. Additional options worth looking into are United Airlines and Delta, starting at £316 and £574 round-trip. These flights start at 20% lower than the current average price 3 months from now.

Question 2

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

Accepted Answer

The price you pay for your flight from Washington, D.C. to Ottawa may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 3

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

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Ottawa (average of £588). Flying from Washington, D.C. to Ottawa in December is currently the most expensive (average of £875). 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.

Question 4

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

Accepted Answer

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

Question 5

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

Accepted Answer

The most flights from WAS to YOW are scheduled on a Monday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

Question 6

E

Accepted Answer

In terms of precipitation, rainfall in Ottawa ranges from 50.0 - 93.0 inches per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.

Question 7

E

Accepted Answer

If weather is an important factor for your trip to Ottawa, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).

Question 8

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

Accepted Answer

The cheapest flight price from Washington, D.C. to Ottawa is £212. On average you can expect to pay £481. The most popular route, (Washington, D.C. Reagan-National - Ottawa), can usually be booked for £356.

Question 9

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

Accepted Answer

Consider Air Canada (74%), GoJet (73%) or United Airlines (73%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. to Ottawa.

Question 10

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

Accepted Answer

Thursday flights are generally found to be more expensive for flights from Washington, D.C. to Ottawa. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Ottawa.

Question 11

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

Accepted Answer

Travelers have found it’s best to book a flight 58 days in advance to save up to 173% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 58 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington, D.C. to Ottawa 1-2 weeks in advance for as low as £206, or £291 for flights within the next 24 hours.

Question 12

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

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in March. For low rates, January can be a great choice for travel to Ottawa. Flights to Ottawa from Washington, D.C. in January are about £285 on average during January, but can be found for as low as £127.

Question 13

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

Accepted Answer

It’s optimal to fly from Washington, D.C. to Ottawa in the morning. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight at midday.

Question 14

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

Accepted Answer

Located just 6.6 mi from the city center, Ottawa is the airport most travelers will use when flying to Ottawa from Washington, D.C.. Booking flights from Washington, D.C. to Ottawa (YOW) should be relatively easy as there are 9 daily inbound flights from Washington, D.C. from 0 different airlines.

Question 15

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

Accepted Answer

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

Question 16

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

Accepted Answer

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

Question 17

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

Accepted Answer

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

Question 18

How does Cheapflights help users find flights from Washington, D.C. to Ottawa?

Accepted Answer

Cheapflights makes it easy to find Washington, D.C. to Ottawa flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Question 19

Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Ottawa?

Accepted Answer

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 Ottawa from Washington, D.C..

Question 20

Can Cheapflights find flights from Washington, D.C. to Ottawa with no change fees?

Accepted Answer

Yes, we can. To see specific flights from Washington, D.C. to Ottawa with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Question 21

Can Cheapflights notify me if prices for flights from Washington, D.C. to Ottawa become cheaper?

Accepted Answer

Yes! Start tracking prices for Washington, D.C. to Ottawa 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.

Round-trip from	£225
One-way from	£140
Popular in	March
Cheapest in	January
Average price	£303
Good round-trip deal	£458 or less

Cheap flights from Washington, D.C. to Ottawa from £140

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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Washington, D.C. to Ottawa are usually found in January or November, booked 57 days in advance, depart on a Tuesday or Monday and return on a Monday

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Cheapest flights from Washington, D.C. to OttawaExplore the most affordable flight options available from Washington, D.C. to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Explore the most affordable flight options available from Washington, D.C. to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

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

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

Use this chart to determine the optimal time to book a return flight from Washington, D.C. to Ottawa. Price data was last updated on 27 June 2025.

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

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

Find hourly flight availability from Washington, D.C. to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 July 2025.

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

Explore weekly flight availability from Washington, D.C. to Ottawa. 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 4 July 2025.

How much does it cost for a return flight from Washington, D.C. to Ottawa?

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. 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 Ottawa. Reviews last updated 4 July 2025.

Get a feel of what it's like to fly with Delta, United Airlines, andAir Canada from Washington, D.C. to Ottawa by reading reviews from past customers. Users have also rated airlines 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 Washington, D.C. to Ottawa. 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 into for flights to Ottawa from Washington, D.C.?

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

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

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

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

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

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

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

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Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Ottawa?

Can Cheapflights find flights from Washington, D.C. to Ottawa with no change fees?

Can Cheapflights notify me if prices for flights from Washington, D.C. to Ottawa become cheaper?

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Cheapest flights from Washington, D.C. to Ottawa
Explore the most affordable flight options available from Washington, D.C. to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.