Cheap flights from Ottawa to Washington from $140
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Washington departing on 8/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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WestJet flights from Ottawa to State of Washington
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United Airlines flights from Ottawa to State of Washington
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How to get the cheapest flight ticket from Ottawa to State of Washington
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to State of Washington?
The month of August is, on average, the cheapest month to fly to State of Washington from Ottawa, with most prices found around $386. If you aren’t able to travel to State of Washington during the month of August, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $387.
What is the cheapest day to depart on your flight to State of Washington?
The cheapest day to depart from Ottawa to State of Washington is on a Saturday. Travelers who choose to depart for State of Washington on a Saturday will often find tickets for as low as $422. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Ottawa to State of Washington for around $577.
What is the cheapest time of day to depart on your flight to State of Washington?
The cheapest time of day to fly to State of Washington is in the evening when flights can be purchased for as low as $433. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $597 on average. Flights to State of Washington from Ottawa at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.
How far in advance should I book a flight to State of Washington?
You are more likely to see cheaper flights to State of Washington from Ottawa when booking 20 weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $423 when searching 20 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Ottawa for as low as $307 on momondo.
What is the cheapest airline that flies from Ottawa to Washington?
WestJet, United Airlines, and Air Canada are the most popular carriers operating from Ottawa to Washington
What airlines fly to State of Washington?
Air Canada, WestJet and United Airlines are the top three most popular airlines that fly to State of Washington from Ottawa according to our data. Air Canada is the first choice among our users, with 61% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 4 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.
Cheap Ottawa to State of Washington flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ottawa to State of Washington
Best Price Found | $140 |
|---|---|
Fastest flight time | 7h 16m |
Direct flights | None |
Airports in State of Washington | 2 airports |
When did momondo last update prices for flights from Ottawa Airport to Washington?
Prices for flights from Ottawa Airport to Washington were last updated today.
How many operators does momondo search for flights from Ottawa Airport to Washington?
As of June 2025, there are 3 operators available to choose from for flights from Ottawa Airport to Washington.
How old do you have to be to fly from Ottawa Airport to Washington?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ottawa Airport to Washington.
What documentation or ID do you need to fly to Washington?
The necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Ottawa to State of Washington
Compare and see reviews for airlines that fly from Ottawa to State of Washington with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $277 | Free Cancellation | Rating 7.2 2,868 reviews | |||
| PriceFrom $323 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $328 | Free Cancellation | Rating 7.1 9,531 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ottawa to Washington?
Finding the right flight to Washington from Ottawa is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington quick and easy, saving you time and money.
Can I find flights from Ottawa to Washington with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Ottawa to Washington flights to just show those with flexible booking policies.
How can momondo help me find flights from Ottawa to Washington?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington from Ottawa.
I’m not ready to book a flight from Ottawa to Washington right now. Can momondo alert me if prices change?
Price alerts on flights to Washington from Ottawa are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.