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$211+ Cheap flights from Ottawa (YOW) to Baltimore (BWI)

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 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BWI
Apr 26 — Mai 31
So 4/26
So 5/3
1 adult, Economy
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Cheap 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 März 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 4/227:00 am
YOW
-
BWI
1 stop26h 17m
Multiple Airlines
Mi 4/295:49 pm
BWI
-
YOW
2 stops23h 36m
Multiple Airlines
Deal found 3/25$372
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 5/62:30 pm
YOW
-
BWI
1 stop17h 37m
Multiple Airlines
Mo 5/119:56 pm
BWI
-
YOW
2 stops13h 03m
Multiple Airlines
Deal found 3/25$389
This Kiwi.com deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 4/164:15 pm
YOW
-
BWI
1 stop17h 22m
Multiple Airlines
So 4/199:59 pm
BWI
-
YOW
1 stop19h 00m
Multiple Airlines
Deal found 3/23$396
This Kiwi.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 4/227:00 am
YOW
-
BWI
1 stop26h 17m
Multiple Airlines
Sa 5/24:05 pm
BWI
-
YOW
1 stop24h 45m
Multiple Airlines
Deal found 3/24$399
This Kiwi.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 4/227:00 am
YOW
-
BWI
1 stop26h 17m
Multiple Airlines
Fr 5/16:35 am
BWI
-
YOW
1 stop10h 15m
Multiple Airlines
Deal found 3/24$406
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 4/264:20 pm
YOW
-
BWI
2 stops15h 42m
Multiple Airlines
Do 4/309:59 pm
BWI
-
YOW
1 stop18h 51m
Multiple Airlines
Deal found 3/25$411
This Kiwi.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 4/234:15 pm
YOW
-
BWI
1 stop17h 22m
Multiple Airlines
Do 4/306:35 am
BWI
-
YOW
1 stop10h 24m
Multiple Airlines
Deal found 3/26$412
This Kiwi.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 5/227:00 am
YOW
-
BWI
1 stop26h 15m
Multiple Airlines
Di 5/269:56 pm
BWI
-
YOW
1 stop18h 54m
Multiple Airlines
Deal found 3/24$414
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 5/92:30 pm
YOW
-
BWI
1 stop5h 37m
Multiple Airlines
Sa 5/169:56 pm
BWI
-
YOW
2 stops13h 03m
Multiple Airlines
Deal found 3/25$415
This Kiwi.com deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 4/217:00 am
YOW
-
BWI
1 stop15h 20m
Multiple Airlines
Di 4/285:30 am
BWI
-
YOW
2 stops12h 56m
Multiple Airlines
Deal found 3/22$417

Find 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 März 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$372
(Kiwi.com)

One-way from

$211
(Kiwi.com)

Popular in

November

Cheapest in

August

Average price

$373
Provider with most accurate pricing for Ottawa-Baltimore/Washington flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ottawa-Baltimore/Washington flights.
Search Deals
From Ottawa to Baltimore/Washington
Search Deals
One-way flight from Ottawa to Baltimore/Washington
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 2,558,603 searches. Data last updated März 27, 2026.
Use the filters below to find and compare flights from Ottawa to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Do 4/16

4:15 pm-9:37 am

1 stop17h 22m

Baltimore/Washington

So 4/19

9:59 pm-4:59 pm

1 stop19h 00m

$396

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Do 5/7

2:30 pm-7:11 am

1 stop16h 41m

Baltimore/Washington

Do 5/14

7:30 am-4:53 pm

1 stop9h 23m

$439

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mo 5/11

4:20 pm-2:31 pm

2 stops22h 11m

Baltimore/Washington

Mo 5/18

3:26 pm-11:53 pm

1 stop8h 27m

$443

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Sa 5/9

11:00 am-8:07 pm

2 stops9h 07m

Baltimore/Washington

So 5/17

9:59 pm-11:53 pm

1 stop25h 54m

$446

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

So 5/17

7:00 am-10:57 pm

2 stops15h 57m

Baltimore/Washington

Mi 5/20

9:56 pm-4:50 pm

1 stop18h 54m

$475

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

So 4/26

9:30 am-9:15 am

2 stops23h 45m

Baltimore/Washington

Do 4/30

9:59 pm-10:59 am

2 stops13h 00m

$549

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Sa 4/25

7:00 am-10:00 am

2 stops27h 00m

Baltimore/Washington

Mo 6/1

7:10 am-8:00 pm

2 stops12h 50m

$577

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mi 5/6

8:40 am-10:06 pm

2 stops13h 26m

Baltimore/Washington

Mo 5/11

3:31 pm-2:55 pm

2 stops23h 24m

$578

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fr 5/8

10:44 am-9:02 pm

1 stop10h 18m

Baltimore/Washington

Di 5/12

11:00 am-5:07 pm

1 stop6h 07m

$636
Quickest round-trip

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Di 7/7

6:25 am-1:57 pm

1 stop7h 32m

Baltimore/Washington

Di 7/14

8:25 am-1:59 pm

1 stop5h 34m

$639

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 18 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Ottawa-Baltimore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ottawa-Baltimore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ottawa-Baltimore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ottawa-Baltimore flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ottawa-Baltimore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, June is the cheapest month in which you can book a flight from Ottawa to Baltimore (average of $143). Flying from Ottawa to Baltimore in March is currently the most expensive (average of $281). 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.

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.

  • 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, June is the cheapest month in which you can book a flight from Ottawa to Baltimore (average of $143). Flying from Ottawa to Baltimore in March is currently the most expensive (average of $281). 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

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