YOW - BWI

C$ 281 Find Cheap Flights from Ottawa to Baltimore

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ottawa to Baltimore departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Baltimore

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ottawa to Baltimore, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ottawa to Baltimore, as well as popular online travel agencies
Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flights Deals
Booking Insights
Flights Deals

Cheap Flights from Ottawa to Baltimore (YOW-BWI)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ottawa to Baltimore that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ottawa to Baltimore

Wed, 27 Aug - Wed, 3 Sep
 Logo
6:00 a.m. - 6:54 a.m.YOW-BWI
24h 54m2 stops
 Logo
5:45 a.m. - 6:45 a.m.BWI-YOW
25h 00m3 stops
C$ 530
Find Deal
Mon, 18 Aug - Wed, 20 Aug
 Logo
3:50 p.m. - 9:10 a.m.YOW-BWI
17h 20m1 stop
 Logo
6:37 a.m. - 5:20 p.m.BWI-YOW
10h 43m1 stop
C$ 556
Find Deal
Mon, 18 Aug - Wed, 20 Aug
 Logo
3:50 p.m. - 9:10 a.m.YOW-BWI
17h 20m1 stop
 Logo
9:57 p.m. - 5:20 p.m.BWI-YOW
19h 23m2 stops
C$ 577
Find Deal
Thu, 28 Aug - Sun, 31 Aug
WestJet Logo
5:55 a.m. - 11:17 p.m.YOW-BWI
17h 22m2 stops
WestJet Logo
5:40 a.m. - 12:22 a.m.BWI-YOW
18h 42m2 stops
C$ 755WestJet
Find Deal
Wed, 17 Sep - Sat, 20 Sep
United Airlines Logo
6:33 a.m. - 1:48 p.m.YOW-BWI
7h 15m1 stop
United Airlines Logo
6:15 a.m. - 5:06 p.m.BWI-YOW
10h 51m1 stop
C$ 785United Airlines
Find Deal
Tue, 2 Sep - Thu, 11 Sep
United Airlines Logo
6:33 a.m. - 1:48 p.m.YOW-BWI
7h 15m1 stop
United Airlines Logo
6:15 a.m. - 2:04 p.m.BWI-YOW
7h 49m1 stop
C$ 812United Airlines
Find Deal
Thu, 15 Jan - Mon, 19 Jan
United Airlines Logo
6:52 a.m. - 8:57 p.m.YOW-BWI
14h 05m1 stop
United Airlines Logo
10:45 a.m. - 9:14 p.m.BWI-YOW
10h 29m1 stop
C$ 814United Airlines
Find Deal
Tue, 26 Aug - Tue, 2 Sep
United Airlines Logo
6:33 a.m. - 1:48 p.m.YOW-BWI
7h 15m1 stop
United Airlines Logo
6:15 a.m. - 5:06 p.m.BWI-YOW
10h 51m1 stop
C$ 821United Airlines
Find Deal
Mon, 8 Sep - Fri, 12 Sep
WestJet Logo
7:15 p.m. - 9:15 p.m.YOW-BWI
26h 00m2 stops
WestJet Logo
5:35 a.m. - 12:40 a.m.BWI-YOW
19h 05m2 stops
C$ 879WestJet
Find Deal
Thu, 14 Aug - Mon, 18 Aug
WestJet Logo
5:55 a.m. - 3:51 p.m.YOW-BWI
9h 56m2 stops
WestJet Logo
5:40 a.m. - 12:22 a.m.BWI-YOW
18h 42m2 stops
C$ 883WestJet
Find Deal
Booking Insights

KAYAK's insights & trends for Ottawa to Baltimore flights

Get data-powered insights and trends into flights from Ottawa to Baltimore to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Ottawa to Baltimore?

What is the cheapest month to fly from Ottawa to Baltimore?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Ottawa to Baltimore, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Ottawa to Baltimore is April, where tickets cost C$ 225 (return) on average. On the other hand, the most expensive months are September and February, where the average cost of round-trip tickets is C$ 1,716 and C$ 1,532 respectively.


Good to know

Low seasonMarch
Cheapest flightC$ 281
Best time to beat the crowds (33% less expensive on average)
Most popular time to fly and prices are also 60% lower on average.
Flight from Ottawa to Baltimore

When to book flights from Ottawa to Baltimore

Are your dates flexible? Find out the best times to travel from Ottawa to Baltimore based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Ottawa to Baltimore

  • What is the cheapest flight from Ottawa to Baltimore?

    In the last 3 days, the lowest price for a flight from Ottawa to Baltimore was C$ 204 for a one-way ticket and C$ 384 for a round-trip.

  • Which airports will I be using when flying from Ottawa to Baltimore?

    Ottawa and Baltimore are both served by 1 main airport. You will leave Ottawa from Ottawa and will be arriving at Baltimore/Washington.

  • Which aircraft models fly most regularly from Ottawa to Baltimore?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Ottawa to Baltimore?

    Star Alliance is the only airline alliance operating flights between Ottawa and Baltimore.

  • How does KAYAK find such low prices on flights from Ottawa to Baltimore?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ottawa to Baltimore.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ottawa to Baltimore?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Baltimore from Ottawa is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ottawa to Baltimore?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Baltimore with an airline and back to Ottawa with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ottawa to Baltimore?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Baltimore from Ottawa up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Ottawa to Baltimore

 
See real verified KAYAK customer reviews for airlines flying from Ottawa to Baltimore. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Ottawa to Baltimore? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Porter AirlinesOverall score based on 318 reviews
7.6Food
8.7Crew
8.2Boarding
7.0Entertainment
8.0Comfort
Airline reviews

All good the seats a little tight and no I pad screen

10.0 ExcellentAnonymous, Jul 2025YYZ - RSW
Read more Porter Airlines reviews

All good the seats a little tight and no I pad screen

Everything was good except the fact you charge more for a carry on bag vs a check in bag and to top it off in US$ that was not impressive

Our flight was cancelled at the last minute for maintenance reasons and we were rebooked on a late flight when we purposefully booked our flight to be home early due to work.

Seemed like an old plane. Very noisy. The seat cushions were so old that the metal bracing of the seats were poking through. There was plenty of leg room though.

Flight was delayed over 2 hours, then landed at a different airport!

The whole experience from check in to deboarding was fantastic.

Just an evening before they canceled my ticket and offered me ticket costing 3 x times more than. I will not fall prey to these scams,Will never book through kayak now. Such a bad experience.

was okay except.. 1)the porter check in webpage doesn't let you print your boarding pass from home 2)that there was a 90 min cut off for checking in on the kiosk in general, and to print a boarding pass, even tho i checked in online already....

Great! Personable crew. I love that they pour complimentary beer and wine.

I love the 2 seats per row. More room. The crew were excellent.

Everything was great. Only thing that could’ve made it better was buy on board options for hot food, but the snacks were decent. The flight attendants were great. I had no complaints. I was able to make it to my destination safely

It was all good flight was on time, service was good I enjoyed a few movies and everything was smooth

Efficient, calm when things were delayed and kept us regularly informed of what was happening.

Airbus plane, nice and polite staff, entertainment even as it was a short flight.

Very nice and clean plane. Transit time between flights was tight though

Our flights got changed from United to Air Canada and our purchased seats did not get transferred so we had to pay for seats twice. I brought it up with Air Canada and they stated I had to go back and chase it with United. The united seats were $21 Canadian each and Air Canada were $56 each so we have paid $77 for each seat. Very unhappy

So far so good but food and entertainment are not available for this flight

Plane temperature was comfortable (not to hot) when boarding and waiting for takeoff.

Michael, our FA was very attentive, even finding me a chocolate brownie from economy class when the dessert selections were all dairy based. ( intolerant, not allergic so don’t usually need to order dairy free)

We tried to upgrade to economy premium but were told this was not possible as we had booked through United Airlines (and Air Canada was operating the flight). This seemed silly given there was ample space in economy premium. Additionally, we had to wait almost 1.5 hours upon arrival to taxi to the gate. Otherwise, the crew were very pleasant and passengers were friendly.

Everything you need to know for your flight from Ottawa to Baltimore

Information on your arrival and departure airports

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.