Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Early arrival? Instantly customize your resultsTrusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Ottawa to Washington, D.C.
Cheap round-trip flights
Cheap one-way flights
Cheap last-minute flights
United Airlines flights from Ottawa to Baltimore
Our best United Airlines deals on Ottawa to Baltimore flight tickets
WestJet flights from Ottawa to Baltimore
Our best WestJet deals on Ottawa to Baltimore flight tickets
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from Ottawa to Baltimore
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 Baltimore?
The cheapest month to fly to Baltimore from Ottawa is in April. Flight prices, which tend to average around C$ 223, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Baltimore from Ottawa during June instead. Flights to Baltimore in June, while not as cheap as those in April, still average around C$ 340.
What is the cheapest day to depart on your flight to Baltimore?
According to our data, Wednesday is the cheapest day to fly to Baltimore from Ottawa. The lowest ticket price found for a Wednesday departure recently was C$ 448. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Sunday is the most expensive day to depart from Ottawa because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,023.
What is the cheapest airline that flies from Ottawa to Baltimore/Washington?
WestJet, United Airlines, and Delta are the most popular carriers operating from Ottawa to Baltimore/Washington
Which airlines fly to Baltimore?
Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Baltimore from Ottawa according to our data. Air Canada is the first choice among our users, with 59% of people opting to fly with this airline when travelling to Baltimore. Keep in mind that there are 5 different airlines that fly to Baltimore on a routine basis, so you have a few additional options to choose from.
When to book flights from Ottawa to Baltimore
Cheap Ottawa to Baltimore (YOW to BWI) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ottawa to Baltimore
How far is Ottawa to Baltimore/Washington by plane?
There are 684.7 km between Ottawa and Baltimore/Washington. Flights usually cover this in 5h 21m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Ottawa Airport to Baltimore/Washington Airport?
Prices for flights from Ottawa Airport to Baltimore/Washington Airport refresh daily.
How many operators does momondo search for flights from Ottawa Airport to Baltimore/Washington Airport?
As of June 2025, there is 1 operator available to choose from for flights from Ottawa Airport to Baltimore/Washington Airport.
How old do you have to be to fly from Ottawa Airport to Baltimore/Washington Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to Baltimore/Washington Airport.
What documentation or ID do you need to fly to Baltimore/Washington Airport?
The travel and health documents required for your trip to Baltimore/Washington Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Baltimore/Washington Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Ottawa to Baltimore?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ottawa to Baltimore is Porter Airlines (100% of total bookings).
Best airlines flying from Ottawa to Baltimore
Compare and see reviews for airlines that fly from Ottawa to Baltimore with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 329 | Free Cancellation | Rating 8.0 288 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ottawa to Baltimore?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ottawa to Baltimore . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Ottawa to Baltimore with flexible booking policies on momondo?
All flight searches from Ottawa to Baltimore on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Ottawa to Baltimore?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ottawa to Baltimore.
I’m not ready to book a flight from Ottawa to Baltimore right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Ottawa to Baltimore now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Baltimore and let you know when they change.