$97+ Cheap flights from Maryland to Ontario
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 6/24. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
May 30 — Jun 61
Round-trip
1 adult, Economy
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Cheapest flights from Maryland to OntarioExplore the most affordable flight options available from Maryland to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2026.
Explore the most affordable flight options available from Maryland to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2026.
This Flightnetwork deal was found by Cheapflights users on 4/27. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:15 pm
IAD
- YTZ
Nonstop1h 27m
Air Canada
Mon 6/82:55 pm
YTZ
- IAD
Nonstop1h 17m
Air Canada
Deal found 4/27![Air Canada logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 6/611:30 am
IAD
- YTZ
Nonstop1h 30m
Porter Airlines
Mon 6/81:50 pm
YTZ
- IAD
Nonstop1h 31m
Porter Airlines
Deal found 4/28![Porter Airlines logo]()
$188
This Kissandfly.com deal was found by Cheapflights users on 4/28. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3011:30 am
IAD
- YTZ
Nonstop1h 30m
Porter Airlines
Sun 5/319:15 am
YTZ
- IAD
Nonstop1h 31m
Porter Airlines
Deal found 4/28![Porter Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/2911:30 am
IAD
- YTZ
Nonstop1h 30m
Porter Airlines
Fri 6/59:15 am
YTZ
- IAD
Nonstop1h 31m
Porter Airlines
Deal found 4/28![Porter Airlines logo]()
$191
This Flightnetwork deal was found by Cheapflights users on 4/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/712:45 pm
DCA
- YTZ
1 stop5h 37m
Air Canada
Wed 6/108:20 am
YTZ
- DCA
1 stop3h 41m
Air Canada
Deal found 4/29![Air Canada logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Sun 6/214:00 pm
IAD
- YTZ
Nonstop1h 30m
Porter Airlines
Tue 6/231:45 pm
YTZ
- IAD
Nonstop1h 31m
Porter Airlines
Deal found 4/28![Porter Airlines logo]()
$192
This Trip.com deal was found by Cheapflights users on 4/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/54:05 pm
IAD
- YTZ
Nonstop1h 30m
Porter Airlines
Sun 6/71:50 pm
YTZ
- IAD
Nonstop1h 31m
Porter Airlines
Deal found 4/28![Porter Airlines logo]()
$193
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:00 am
DCA
- YTZ
1 stop5h 52m
Air Canada
Fri 6/58:20 am
YTZ
- DCA
1 stop3h 41m
Air Canada
Deal found 4/28![Air Canada logo]()
$193
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/309:45 am
IAD
- YTZ
1 stop4h 37m
Multiple Airlines
Sun 5/311:50 pm
YTZ
- IAD
Nonstop1h 31m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Wed 5/274:05 pm
IAD
- YTZ
Nonstop1h 30m
Porter Airlines
Wed 6/31:50 pm
YTZ
- IAD
Nonstop1h 31m
Porter Airlines
Deal found 4/28![Porter Airlines logo]()
$195
This Flightnetwork deal was found by Cheapflights users on 4/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/75:15 pm
IAD
- YTZ
Nonstop1h 27m
Air Canada
Wed 6/102:55 pm
YTZ
- IAD
Nonstop1h 17m
Air Canada
Deal found 4/29![Air Canada logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/2611:30 am
IAD
- YTZ
Nonstop1h 30m
Porter Airlines
Sat 5/309:15 am
YTZ
- IAD
Nonstop1h 31m
Porter Airlines
Deal found 4/29![Porter Airlines logo]()
$197
Best flights from Maryland to OntarioDiscover carefully curated flight deals from Maryland to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 30, 2026.
Discover carefully curated flight deals from Maryland to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 30, 2026.
This Porter Airlines deal was found by Cheapflights users on 4/29. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/214:00 pm
IAD
- YTZ
Nonstop1h 30m
Porter Airlines
Tue 6/231:45 pm
YTZ
- IAD
Nonstop1h 31m
Porter Airlines
Deal found 4/29![Porter Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 4/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/299:39 am
DCA
- YYZ
1 stop7h 42m
Delta
Mon 6/12:20 pm
YYZ
- DCA
1 stop8h 39m
Delta
Deal found 4/25![Delta logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Fri 6/125:26 am
PHL
- YYZ
1 stop11h 19m
Multiple Airlines
Sun 6/147:30 am
YYZ
- PHL
1 stop25h 55m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$380
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 6/45:15 pm
IAD
- YTZ
Nonstop1h 27m
United Airlines
Sun 6/72:55 pm
YTZ
- IAD
Nonstop1h 17m
United Airlines
Deal found 4/29![United Airlines logo]()
$484
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:20 am
DCA
- YYZ
1 stop7h 20m
Delta
Mon 6/17:55 am
YYZ
- DCA
1 stop8h 25m
Delta
Deal found 4/27![Delta logo]()
$260
This American Airlines deal was found by Cheapflights users on 4/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/58:30 am
PHL
- YYZ
Nonstop1h 48m
American Airlines
Mon 6/86:02 pm
YYZ
- PHL
Nonstop1h 46m
American Airlines
Deal found 4/25![American Airlines logo]()
$553
This Delta deal was found by Cheapflights users on 4/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:05 am
DCA
- YYZ
1 stop7h 25m
Delta
Sun 5/175:05 pm
YYZ
- DCA
1 stop5h 49m
Delta
Deal found 4/25![Delta logo]()
$260
This Justfly.com deal was found by Cheapflights users on 4/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:05 pm
IAD
- YTZ
Nonstop1h 30m
Porter Airlines
Sat 6/69:15 am
YTZ
- IAD
Nonstop1h 31m
Porter Airlines
Deal found 4/25![Porter Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 4/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:00 am
IAD
- YYZ
1 stop7h 30m
Delta
Fri 5/292:20 pm
YYZ
- IAD
1 stop8h 36m
Delta
Deal found 4/26![Delta logo]()
$260
This Delta deal was found by Cheapflights users on 4/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:00 am
IAD
- YYZ
1 stop7h 30m
Delta
Mon 6/14:04 pm
YYZ
- IAD
1 stop6h 52m
Delta
Deal found 4/25![Delta logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Fri 6/56:00 am
PHL
- YYZ
1 stop10h 55m
Multiple Airlines
Mon 6/84:45 pm
YYZ
- PHL
2 stops22h 52m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$380
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:40 pm
DCA
- YYZ
1 stop4h 01m
Delta
Tue 6/22:20 pm
YYZ
- DCA
1 stop4h 39m
Delta
Deal found 4/28![Delta logo]()
$261
This FlightHub deal was found by Cheapflights users on 4/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/34:00 pm
IAD
- YTZ
Nonstop1h 30m
Porter Airlines
Sun 7/59:15 am
YTZ
- IAD
Nonstop1h 31m
Porter Airlines
Deal found 4/25![Porter Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/132:00 pm
DCA
- YYZ
1 stop4h 15m
Delta
Tue 6/162:32 pm
YYZ
- DCA
1 stop4h 26m
Delta
Deal found 4/29![Delta logo]()
$261
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/132:00 pm
DCA
- YYZ
1 stop4h 15m
Delta
Mon 6/152:29 pm
YYZ
- DCA
1 stop8h 30m
Delta
Deal found 4/29![Delta logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 4/26. 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.
Thu 5/148:44 pm
PHL
- YYZ
2 stops20h 25m
Multiple Airlines
Sun 5/178:00 pm
YYZ
- PHL
1 stop12h 54m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$431
This United Airlines deal was found by Cheapflights users on 4/28. 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 6/55:15 pm
IAD
- YTZ
Nonstop1h 27m
United Airlines
Sun 6/72:55 pm
YTZ
- IAD
Nonstop1h 17m
United Airlines
Deal found 4/28![United Airlines logo]()
$484
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:00 am
DCA
- YYZ
1 stop7h 34m
Delta
Tue 6/232:29 pm
YYZ
- DCA
1 stop8h 30m
Delta
Deal found 4/28![Delta logo]()
$261
This United Airlines deal was found by Cheapflights users on 4/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:15 pm
IAD
- YTZ
Nonstop1h 27m
United Airlines
Sun 7/192:55 pm
YTZ
- IAD
Nonstop1h 17m
United Airlines
Deal found 4/25![United Airlines logo]()
$484
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:09 am
DCA
- YYZ
1 stop5h 06m
Delta
Fri 5/296:37 pm
YYZ
- DCA
1 stop4h 47m
Delta
Deal found 4/29![Delta logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Thu 8/209:32 pm
BWI
- YTZ
2 stops15h 30m
Multiple Airlines
Mon 8/243:05 pm
YTZ
- BWI
1 stop7h 43m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$531
This United Airlines deal was found by Cheapflights users on 4/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3010:05 pm
IAD
- YTZ
1 stop11h 29m
United Airlines
Sun 7/122:55 pm
YTZ
- IAD
Nonstop1h 17m
United Airlines
Deal found 4/26![United Airlines logo]()
$537
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:05 am
DCA
- YYZ
1 stop7h 25m
Delta
Mon 5/186:37 pm
YYZ
- DCA
1 stop4h 47m
Delta
Deal found 4/27![Delta logo]()
$298
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Sun 6/215:15 pm
IAD
- YTZ
Nonstop1h 27m
United Airlines
Sat 6/277:20 pm
YTZ
- IAD
1 stop5h 25m
United Airlines
Deal found 4/30![United Airlines logo]()
$543
This Delta deal was found by Cheapflights users on 4/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:40 pm
DCA
- YYZ
1 stop4h 01m
Delta
Fri 5/152:30 pm
YYZ
- DCA
1 stop8h 24m
Delta
Deal found 4/25![Delta logo]()
$298
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Mon 5/256:33 am
IAD
- YTZ
1 stop8h 06m
United Airlines
Mon 6/12:55 pm
YTZ
- IAD
Nonstop1h 17m
United Airlines
Deal found 4/27![United Airlines logo]()
$549
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:20 am
DCA
- YYZ
1 stop7h 20m
Delta
Mon 6/110:00 am
YYZ
- DCA
1 stop8h 59m
Delta
Deal found 4/27![Delta logo]()
$298
This Mytrip deal was found by Cheapflights users on 4/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/196:05 am
BWI
- YTZ
1 stop6h 57m
Multiple Airlines
Mon 6/226:00 pm
YTZ
- BWI
1 stop5h 12m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$641
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Wed 5/206:00 am
IAD
- YTZ
1 stop8h 39m
United Airlines
Mon 6/12:55 pm
YTZ
- IAD
Nonstop1h 17m
United Airlines
Deal found 4/27![United Airlines logo]()
$549
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Thu 7/28:25 am
DCA
- YTZ
1 stop8h 16m
United Airlines
Sat 7/47:20 pm
YTZ
- DCA
1 stop13h 34m
United Airlines
Deal found 4/30![United Airlines logo]()
$552
Last-minute flights from Maryland to OntarioDiscover last-minute flight deals from Maryland to Ontario. Data last updated April 30, 2026 and is based on user searches.
Discover last-minute flight deals from Maryland to Ontario. Data last updated April 30, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 4/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1411:30 am
IAD
- YTZ
Nonstop1h 30m
Porter Airlines
Sun 5/179:15 am
YTZ
- IAD
Nonstop1h 31m
Porter Airlines
Deal found 4/29![Porter Airlines logo]()
$198
This Mytrip deal was found by Cheapflights users on 4/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:00 am
DCA
- YYZ
1 stop4h 38m
Air Canada
Sun 5/178:10 am
YYZ
- DCA
1 stop3h 51m
Air Canada
Deal found 4/25![Air Canada logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/144:05 pm
IAD
- YTZ
Nonstop1h 30m
Porter Airlines
Mon 5/189:15 am
YTZ
- IAD
Nonstop1h 31m
Porter Airlines
Deal found 4/28![Porter Airlines logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Sun 5/244:05 pm
IAD
- YTZ
Nonstop1h 30m
Porter Airlines
Wed 5/271:50 pm
YTZ
- IAD
Nonstop1h 31m
Porter Airlines
Deal found 4/30![Porter Airlines logo]()
$202
This Trip.com deal was found by Cheapflights users on 4/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2511:30 am
IAD
- YTZ
Nonstop1h 30m
Porter Airlines
Wed 6/31:50 pm
YTZ
- IAD
Nonstop1h 31m
Porter Airlines
Deal found 4/28![Porter Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/2611:30 am
IAD
- YTZ
Nonstop1h 30m
Porter Airlines
Fri 5/291:50 pm
YTZ
- IAD
Nonstop1h 31m
Porter Airlines
Deal found 4/28![Porter Airlines logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/2611:30 am
IAD
- YTZ
Nonstop1h 30m
Porter Airlines
Sat 5/309:15 am
YTZ
- IAD
Nonstop1h 31m
Porter Airlines
Deal found 4/29![Porter Airlines logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Wed 5/274:05 pm
IAD
- YTZ
Nonstop1h 30m
Porter Airlines
Wed 6/31:50 pm
YTZ
- IAD
Nonstop1h 31m
Porter Airlines
Deal found 4/28![Porter Airlines logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/284:05 pm
IAD
- YTZ
Nonstop1h 30m
Porter Airlines
Thu 6/41:50 pm
YTZ
- IAD
Nonstop1h 31m
Porter Airlines
Deal found 4/29![Porter Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/2911:30 am
IAD
- YTZ
Nonstop1h 30m
Porter Airlines
Fri 6/59:15 am
YTZ
- IAD
Nonstop1h 31m
Porter Airlines
Deal found 4/28![Porter Airlines logo]()
$191
This Kissandfly.com deal was found by Cheapflights users on 4/28. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3011:30 am
IAD
- YTZ
Nonstop1h 30m
Porter Airlines
Sun 5/319:15 am
YTZ
- IAD
Nonstop1h 31m
Porter Airlines
Deal found 4/28![Porter Airlines logo]()
$189
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/309:45 am
IAD
- YTZ
1 stop4h 37m
Multiple Airlines
Sun 5/311:50 pm
YTZ
- IAD
Nonstop1h 31m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$194
One-way flights from Maryland to OntarioSearch for one-way flight options from Maryland to Ontario. Find affordable one-way fares based on user searches. Data last updated April 30, 2026.
Search for one-way flight options from Maryland to Ontario. Find affordable one-way fares based on user searches. Data last updated April 30, 2026.
This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2411:30 am
IAD
- YTZ
Nonstop1h 30m
Porter Airlines
Deal found 4/30![Porter Airlines logo]()
$97
This Air Canada deal was found by Cheapflights users on 4/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:40 pm
DCA
- YYZ
Nonstop1h 32m
Air Canada
Deal found 4/30![Air Canada logo]()
$97
This Air Canada deal was found by Cheapflights users on 4/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:55 am
IAD
- YYZ
Nonstop1h 27m
Air Canada
Deal found 4/30![Air Canada logo]()
$97
This Air Canada deal was found by Cheapflights users on 4/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:45 am
IAD
- YTZ
1 stop4h 37m
Air Canada
Deal found 4/28![Air Canada logo]()
$100
This Air Canada deal was found by Cheapflights users on 4/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/226:00 am
DCA
- YYZ
1 stop5h 35m
Air Canada
Deal found 4/27![Air Canada logo]()
$100
This Air Canada deal was found by Cheapflights users on 4/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:40 am
DCA
- YTZ
1 stop6h 12m
Air Canada
Deal found 4/27![Air Canada logo]()
$100
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:05 am
DCA
- YYZ
1 stop7h 25m
Delta
Deal found 4/29![Delta logo]()
$101
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:00 am
IAD
- YYZ
1 stop7h 30m
Delta
Deal found 4/29![Delta logo]()
$101
This Air Canada deal was found by Cheapflights users on 4/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:45 pm
DCA
- YTZ
1 stop5h 37m
Air Canada
Deal found 4/28![Air Canada logo]()
$102
This Air Canada deal was found by Cheapflights users on 4/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/75:15 pm
IAD
- YTZ
Nonstop1h 27m
Air Canada
Deal found 4/26![Air Canada logo]()
$104
This Air Canada deal was found by Cheapflights users on 4/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/118:40 pm
DCA
- YYZ
Nonstop1h 32m
Air Canada
Deal found 4/26![Air Canada logo]()
$104
This Air Canada deal was found by Cheapflights users on 4/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/89:55 am
IAD
- YYZ
Nonstop1h 27m
Air Canada
Deal found 4/27![Air Canada logo]()
$104
Find flight deals from Maryland to Ontario
Keep the following information in mind while searching for Maryland to Ontario flight deals. Data was last updated April 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $187 (Flightnetwork) |
One-way from | $97 (FlightHub) |
Popular in | November |
Cheapest in | June |
Average price | $310 |
Cheapflights Fare Finder
Customize your flight search to find flights from Maryland to Ontario 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 April 30, 2026.
Use the filters below to find and compare flights from Maryland to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Toronto
IAD - YTZ
IADYTZ
Washington, D.C. Dulles Intl
Sun 6/21
4:00 pm-5:30 pm
Nonstop1h 30m
Toronto Island
Tue 6/23
1:45 pm-3:16 pm
Nonstop1h 31m
$237
Washington, D.C.Toronto
DCA - YYZ
DCAYYZ
Washington, D.C. Reagan-National
Fri 5/29
9:39 am-5:21 pm
1 stop7h 42m
Toronto Pearson Intl
Mon 6/1
2:20 pm-10:59 pm
1 stop8h 39m
$260
Washington, D.C.Toronto
DCA - YYZ
DCAYYZ
Washington, D.C. Reagan-National
Mon 5/25
6:20 am-1:40 pm
1 stop7h 20m
Toronto Pearson Intl
Mon 6/1
7:55 am-4:20 pm
1 stop8h 25m
$260
Washington, D.C.Toronto
DCA - YYZ
DCAYYZ
Washington, D.C. Reagan-National
Thu 5/14
6:05 am-1:30 pm
1 stop7h 25m
Toronto Pearson Intl
Sun 5/17
5:05 pm-10:54 pm
1 stop5h 49m
$260
Washington, D.C.Toronto
IAD - YYZ
IADYYZ
Washington, D.C. Dulles Intl
Thu 5/28
6:00 am-1:30 pm
1 stop7h 30m
Toronto Pearson Intl
Fri 5/29
2:20 pm-10:56 pm
1 stop8h 36m
$260
Washington, D.C.Toronto
IAD - YYZ
IADYYZ
Washington, D.C. Dulles Intl
Fri 5/29
6:00 am-1:30 pm
1 stop7h 30m
Toronto Pearson Intl
Mon 6/1
4:04 pm-10:56 pm
1 stop6h 52m
$260
Washington, D.C.Toronto
DCA - YYZ
DCAYYZ
Washington, D.C. Reagan-National
Tue 5/26
7:40 pm-11:41 pm
1 stop4h 01m
Toronto Pearson Intl
Tue 6/2
2:20 pm-6:59 pm
1 stop4h 39m
$261
Washington, D.C.Toronto
DCA - YYZ
DCAYYZ
Washington, D.C. Reagan-National
Sat 6/13
2:00 pm-6:15 pm
1 stop4h 15m
Toronto Pearson Intl
Tue 6/16
2:32 pm-6:58 pm
1 stop4h 26m
$261
Washington, D.C.Toronto
DCA - YYZ
DCAYYZ
Washington, D.C. Reagan-National
Sat 6/13
2:00 pm-6:15 pm
1 stop4h 15m
Toronto Pearson Intl
Mon 6/15
2:29 pm-10:59 pm
1 stop8h 30m
$261
Washington, D.C.Toronto
DCA - YYZ
DCAYYZ
Washington, D.C. Reagan-National
Sun 6/21
6:00 am-1:34 pm
1 stop7h 34m
Toronto Pearson Intl
Tue 6/23
2:29 pm-10:59 pm
1 stop8h 30m
$261
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Maryland to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Maryland with our price prediction graph.
IAD-YTZ
DCA-YYZ
PHL-YYZ
DCA-YTZ
BWI-YTZ
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 Maryland to Ontario
USMD-CAON
IAD-YTZ
DCA-YYZ
PHL-YYZ
DCA-YTZ
What is the cheapest month to book a flight from Maryland to Region of Ontario?
Currently, June is the cheapest month in which you can book a flight from Maryland to Region of Ontario (average of $99). Flying from Maryland to Region of Ontario in January is currently the most expensive (average of $262). 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.
How much does it cost to fly round-trip from Maryland to Region of Ontario?
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated April 30, 2026.
Read reviews from past customers who have flown Porter Airlines,Delta, andWestJet from Maryland to Ontario. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
7.0
Food
7.6
Boarding
8.2
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Comfort
8.0
Entertainment
7.0
Food
7.6
Boarding
8.2
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Comfort
8.0
Entertainment
7.0
Food
7.6
Boarding
8.2
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Comfort
8.0
Entertainment
7.0
Food
7.6
Boarding
8.2
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Comfort
8.0
Entertainment
7.0
Food
7.6
Boarding
8.2
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Related info for your journey
Find useful and relevant information for your journey from Maryland to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Maryland to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Maryland to Ontario by cabin class
Find flights from Maryland to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Maryland and Ontario flights
Browse other Maryland and Ontario flight options. Last updated on April 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Ontario
Find the right flight back to Maryland after your stay in Ontario
Maryland to Ontario flights
Consider these flights traveling from Maryland to Ontario.
Top 3 airlines flying from Maryland to Ontario
Discover the top 3 airlines that operate flights from Maryland to Ontario. 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 2,558,603 searches. Data last updated April 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$182 | Average$359 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$212 | Average$339 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$444 | Average$650 | FlexibilityNo cancel fee | On-time60% |