$199+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BWI
Sep 13 — Sep 201
Round-trip
1 adult, Economy
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Find cheap flights from Ottawa to Baltimore with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Ottawa to BaltimoreExplore 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 August 14, 2026.
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 August 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Fri 9/187:00 am -
1 stop13h 44m
Mon 9/213:04 pm -
1 stop8h 44m
Deal found 8/13![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Thu 9/107:00 am -
2 stops13h 44m
Mon 9/143:04 pm -
1 stop8h 44m
Deal found 8/10![Multiple Airlines logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Fri 9/47:00 am -
1 stop16h 59m
Tue 9/812:09 pm -
2 stops31h 51m
Deal found 8/11![Multiple Airlines logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Mon 10/127:00 am -
1 stop30h 01m
Sun 10/189:12 pm -
2 stops18h 03m
Deal found 8/13![Multiple Airlines logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Thu 11/58:00 am -
1 stop10h 32m
Tue 11/108:16 pm -
1 stop20h 28m
Deal found 8/13![Multiple Airlines logo]()
$414
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Fri 11/138:00 am -
1 stop10h 32m
Tue 11/178:16 pm -
1 stop20h 28m
Deal found 8/9![Multiple Airlines logo]()
$462
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Fri 9/257:00 am -
1 stop13h 44m
Fri 10/21:55 pm -
1 stop25h 20m
Deal found 8/11![Multiple Airlines logo]()
$467
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Mon 9/284:15 pm -
1 stop16h 16m
Wed 9/303:10 pm -
2 stops26h 25m
Deal found 8/13![Multiple Airlines logo]()
$471
Best flights from Ottawa to BaltimoreDiscover carefully curated flight deals from Ottawa to Baltimore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
Discover carefully curated flight deals from Ottawa to Baltimore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Mon 10/127:00 am -
1 stop30h 01m
Sun 10/189:52 pm -
1 stop25h 56m
Deal found 8/13![Multiple Airlines logo]()
$413
This American Airlines deal was found by Cheapflights users on 8/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:40 am -
2 stops9h 01m
Mon 9/147:39 am -
2 stops12h 21m
Deal found 8/9![American Airlines logo]()
$650
This United Airlines deal was found by Cheapflights users on 8/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:20 pm -
1 stop5h 39m
Sat 10/108:30 am -
1 stop5h 39m
Deal found 8/11![United Airlines logo]()
$668
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Thu 11/58:00 am -
1 stop10h 32m
Tue 11/108:16 pm -
1 stop20h 28m
Deal found 8/13![Multiple Airlines logo]()
$414
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Thu 9/106:25 pm -
2 stops28h 18m
Mon 9/143:04 pm -
1 stop8h 44m
Deal found 8/9![Multiple Airlines logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Mon 9/284:15 pm -
1 stop16h 16m
Wed 9/303:10 pm -
2 stops26h 25m
Deal found 8/13![Multiple Airlines logo]()
$471
This American Airlines deal was found by Cheapflights users on 8/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:40 am -
2 stops9h 01m
Sun 9/136:52 am -
2 stops8h 03m
Deal found 8/11![American Airlines logo]()
$656
This United Airlines deal was found by Cheapflights users on 8/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:20 pm -
1 stop5h 39m
Sat 10/108:30 am -
1 stop5h 39m
Deal found 8/11![United Airlines logo]()
$668
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:37 am -
1 stop10h 53m
Wed 9/912:10 pm -
1 stop9h 25m
Deal found 8/13![United Airlines logo]()
$712
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Thu 10/88:55 pm -
2 stops24h 09m
Mon 10/123:04 pm -
1 stop8h 44m
Deal found 8/14![Multiple Airlines logo]()
$643
Last-minute flights from Ottawa to BaltimoreDiscover last-minute flight deals from Ottawa to Baltimore. Data last updated August 14, 2026 and is based on user searches.
Discover last-minute flight deals from Ottawa to Baltimore. Data last updated August 14, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Fri 8/287:00 am -
1 stop16h 59m
Mon 8/316:24 am -
1 stop17h 24m
Deal found 8/11![Multiple Airlines logo]()
$486
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Fri 9/47:00 am -
1 stop16h 59m
Tue 9/812:09 pm -
2 stops31h 51m
Deal found 8/11![Multiple Airlines logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Thu 9/107:00 am -
2 stops13h 44m
Mon 9/143:04 pm -
1 stop8h 44m
Deal found 8/10![Multiple Airlines logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Fri 9/187:00 am -
1 stop13h 44m
Mon 9/213:04 pm -
1 stop8h 44m
Deal found 8/13![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Sat 9/197:00 am -
1 stop7h 11m
Sun 9/209:21 pm -
2 stops26h 27m
Deal found 8/13![Multiple Airlines logo]()
$480
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Fri 9/257:00 am -
1 stop13h 44m
Fri 10/21:55 pm -
1 stop25h 20m
Deal found 8/11![Multiple Airlines logo]()
$467
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Mon 9/284:15 pm -
1 stop16h 16m
Wed 9/303:10 pm -
2 stops26h 25m
Deal found 8/13![Multiple Airlines logo]()
$471
One-way flights from Ottawa to BaltimoreSearch for one-way flight options from Ottawa to Baltimore. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
Search for one-way flight options from Ottawa to Baltimore. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Mon 8/317:00 am -
1 stop29h 25m
Deal found 8/11![Multiple Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Mon 9/74:15 pm -
1 stop29h 15m
Deal found 8/11![Multiple Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Fri 9/117:00 am -
1 stop25h 31m
Deal found 8/10![Multiple Airlines logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Mon 10/127:00 am -
1 stop30h 01m
Deal found 8/13![Multiple Airlines logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Thu 9/107:00 am -
2 stops25h 31m
Deal found 8/13![Multiple Airlines logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Tue 9/87:00 am -
2 stops31h 11m
Deal found 8/9![Multiple Airlines logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Mon 8/247:00 am -
1 stop29h 25m
Deal found 8/12![Multiple Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Tue 11/107:05 am -
1 stop29h 55m
Deal found 8/11![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Sat 9/266:25 pm -
2 stops42h 35m
Deal found 8/12![Multiple Airlines logo]()
$239
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 August 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (Kiwi.com) |
One-way from | $199 (Kiwi.com) |
Popular in | May |
Cheapest in | December |
Average price | $449 |
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 August 14, 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
Cheapest round-trip
OttawaBaltimore
YOW Ottawa - BWI Baltimore/Washington
YOWBWI
Ottawa
Mon 10/12
7:00 am-1:01 pm
1 stop30h 01m
Baltimore/Washington
Sun 10/18
9:52 pm-11:48 pm
1 stop25h 56m
$413
OttawaBaltimore
YOW Ottawa - BWI Baltimore/Washington
YOWBWI
Ottawa
Thu 11/5
8:00 am-6:32 pm
1 stop10h 32m
Baltimore/Washington
Tue 11/10
8:16 pm-4:44 pm
1 stop20h 28m
$414
OttawaBaltimore
YOW Ottawa - BWI Baltimore/Washington
YOWBWI
Ottawa
Thu 9/10
6:25 pm-10:43 pm
2 stops28h 18m
Baltimore/Washington
Mon 9/14
3:04 pm-11:48 pm
1 stop8h 44m
$421
OttawaBaltimore
YOW Ottawa - BWI Baltimore/Washington
YOWBWI
Ottawa
Mon 9/28
4:15 pm-8:31 am
1 stop16h 16m
Baltimore/Washington
Wed 9/30
3:10 pm-5:35 pm
2 stops26h 25m
$471
OttawaBaltimore
YOW Ottawa - BWI Baltimore/Washington
YOWBWI
Ottawa
Thu 10/8
8:55 pm-9:04 pm
2 stops24h 09m
Baltimore/Washington
Mon 10/12
3:04 pm-11:48 pm
1 stop8h 44m
$643
OttawaBaltimore
YOW Ottawa - BWI Baltimore/Washington
YOWBWI
Ottawa
Thu 9/10
8:40 am-5:41 pm
2 stops9h 01m
Baltimore/Washington
Mon 9/14
7:39 am-8:00 pm
2 stops12h 21m
$650
OttawaBaltimore
YOW Ottawa - BWI Baltimore/Washington
YOWBWI
Ottawa
Thu 9/10
8:40 am-5:41 pm
2 stops9h 01m
Baltimore/Washington
Sun 9/13
6:52 am-2:55 pm
2 stops8h 03m
$656
Quickest round-trip
OttawaBaltimore
YOW Ottawa - BWI Baltimore/Washington
YOWBWI
Ottawa
Fri 10/2
5:20 pm-10:59 pm
1 stop5h 39m
Baltimore/Washington
Sat 10/10
8:30 am-2:09 pm
1 stop5h 39m
$668
OttawaBaltimore
YOW Ottawa - BWI Baltimore/Washington
YOWBWI
Ottawa
Sat 10/3
5:20 pm-10:59 pm
1 stop5h 39m
Baltimore/Washington
Sat 10/10
8:30 am-2:09 pm
1 stop5h 39m
$668
OttawaBaltimore
YOW Ottawa - BWI Baltimore/Washington
YOWBWI
Ottawa
Sat 9/5
10:37 am-9:30 pm
1 stop10h 53m
Baltimore/Washington
Wed 9/9
12:10 pm-9:35 pm
1 stop9h 25m
$712
Showing 1-10 of 19 resultsSorted by cheapest first
- 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.
YOW-BWI
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.
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.
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