Find flights
When to book
Airlines
FAQs

Cheap flights from Ottawa to Baltimore from C$ 249

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BWI
30 Mar — 6 Apr1
1 adult

Cheap flight deals from Ottawa to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Baltimore (BWI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 25 March 2025.

Round-trip from

C$ 540

One-way from

C$ 249

Popular in

February

Cheapest in

August

Average price

C$ 921
9/5-11/5
  • 9/5-11/5
  • 2 total stops
  • 30h 42m total
  • Ottawa to Baltimore
Search Deals
8/4
  • 8/4
  • 1 total stop
  • 11h 00m total
  • Ottawa to Baltimore
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (C$ 396 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 93 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find flight deals from Ottawa to Baltimore

Cheapest flights from Ottawa to Baltimore
Explore the most affordable flight options available from Ottawa to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.

Wed 26/39:25 a.m.YOW - BWI
2 stops14h 47mMultiple Airlines
Thu 3/48:15 a.m.BWI - YOW
1 stop8h 57mMultiple Airlines
Deal found 24/3C$ 491
Mon 4/87:15 p.m.YOW - BWI
2 stops26h 08mWestJet
Thu 7/86:00 a.m.BWI - YOW
2 stops23h 25mWestJet
Deal found 24/3C$ 851
Tue 1/75:50 p.m.YOW - BWI
2 stops19h 58mUnited Airlines
Mon 7/75:20 p.m.BWI - YOW
1 stop20h 44mUnited Airlines
Deal found 24/3C$ 1,014
Sun 27/45:55 a.m.YOW - BWI
2 stops10h 55mDelta
Tue 29/412:47 p.m.BWI - YOW
2 stops11h 35mDelta
Deal found 25/3C$ 1,063

Cheapflights Fare Finder

Customize your flight search to find flights from Ottawa to Baltimore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 25 March 2025.
Use the filters below to find and compare flights from Ottawa to Baltimore that are best for you.

Fly from

Ottawa

Fly to

Baltimore

Route

Depart

Return

Price

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 9/5

3:50 p.m.-10:59 a.m.

1 stop19h 09m

Baltimore/Washington

Sun 11/5

5:45 a.m.-5:18 p.m.

1 stop11h 33m

C$ 540

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 4/8

7:15 p.m.-9:23 p.m.

2 stops26h 08m

Baltimore/Washington

Thu 7/8

6:00 a.m.-5:25 a.m.

2 stops23h 25m

C$ 851

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Tue 1/7

5:50 p.m.-1:48 p.m.

2 stops19h 58m

Baltimore/Washington

Mon 7/7

5:20 p.m.-2:04 p.m.

1 stop20h 44m

C$ 1,014

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Sun 27/4

5:55 a.m.-4:50 p.m.

2 stops10h 55m

Baltimore/Washington

Tue 29/4

12:47 p.m.-12:22 a.m.

2 stops11h 35m

C$ 1,063

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Tue 8/4

9:25 a.m.-8:25 p.m.

1 stop11h 00m

C$ 249

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 21/7

6:10 a.m.-8:53 p.m.

2 stops14h 43m

C$ 486

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 21/7

6:05 a.m.-9:42 p.m.

3 stops15h 37m

C$ 1,339

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/3

Best time to book a flight from Ottawa to Baltimore

Have a flexible travel schedule? Discover the best time to fly to Baltimore 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.

Cheapflights Insights

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

What is the cheapest month to book a flight from Ottawa to Baltimore?

Currently, February is the cheapest month in which you can book a flight from Ottawa to Baltimore (average of C$ 327). Flying from Ottawa to Baltimore in March is currently the most expensive (average of C$ 421). 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 BWI?

Find hourly flight availability from Ottawa to Baltimore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 March 2025.

One of the essential ways to save on airfare from Ottawa to Baltimore is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 44% on airfare.

Rainfall in Baltimore by month

Plan your trip to Baltimore by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Baltimore ranges from 74.0 - 104.0 mm per month. July is typically the wettest month, when rainfall can reach 104.0 mm. February is typically the driest time to visit Baltimore when rainfall is around 74.0 mm.

Temperature in Baltimore by month

Plan your trip to Baltimore by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Baltimore, 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 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

Reviews of airlines servicing Baltimore

Get insights into the airlines that provide service to Baltimore. 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 Baltimore. Reviews last updated 25 March 2025.
Delta
8.0
Very good
7,890 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,890 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,605 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
WestJet
7.2
Good
2,785 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Baltimore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Ottawa to Baltimore round-trip?

    Cheapflights users have booked flights from Ottawa to Baltimore round-trip from C$ 851. Other airlines that can offer you cheap pricing are United Airlines, from C$ 1,014, and Delta, from C$ 1,063. WestJet is priced at 4% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Ottawa to Baltimore that include hotel bookings?

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

  • How can I find direct flights from Ottawa to Baltimore?

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

  • Can I find deals for business class flights from Ottawa to Baltimore?

    Yes. Cheapflights offers flight deals from Ottawa to Baltimore 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 Baltimore?

    Currently, February is the cheapest month in which you can book a flight from Ottawa to Baltimore (average of C$ 327). Flying from Ottawa to Baltimore in March is currently the most expensive (average of C$ 421). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ottawa to Baltimore

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Dulles Intl flights
Pearson Intl to Reagan-National flights
Pierre Elliott Trudeau Intl to Dulles Intl flights
Pearson Intl to Baltimore flights
Toronto Island to Dulles Intl flights
Pierre Elliott Trudeau Intl to Reagan-National flights
Pearson Intl to Philadelphia flights
Pierre Elliott Trudeau Intl to Philadelphia flights
Ottawa to Dulles Intl flights
Ottawa to Reagan-National flights
Pierre Elliott Trudeau Intl to Baltimore flights
Toronto Island to Baltimore flights
Toronto Island to Reagan-National flights
Toronto Island to Philadelphia flights
Ottawa to Philadelphia flights
London to Reagan-National flights
London to Dulles Intl flights
London to Baltimore flights
Thunder Bay to Dulles Intl flights
Hamilton to Philadelphia flights
Hamilton to Reagan-National flights

Top airline flying from Ottawa to Baltimore

Discover the top airline that operate flights from Ottawa to Baltimore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 470AverageC$ 1,283FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ottawa to Baltimore?

Cheapflights helps you search for flights from Ottawa to Baltimore via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to Baltimore?

Cheapflights helps you find that perfect flight to Baltimore from Ottawa by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ottawa to Baltimore with no change fees?

Need flexible booking options for your flight to Baltimore from Ottawa? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ottawa to Baltimore become cheaper?

Yes! Start tracking prices for Ottawa to Baltimore 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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.