$309+ Cheap flights from Milwaukee (MKE) to Ottawa (YOW)
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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — YOW
Sep 21 — Sep 281
Round-trip
1 adult, Economy
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Cheapest flights from Milwaukee to OttawaExplore the most affordable flight options available from Milwaukee to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.
Explore the most affordable flight options available from Milwaukee to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.
This AOBTravel deal was found by Cheapflights users on 8/20. 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 AOBTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:18 am -
2 stops10h 37m
Sun 10/116:00 am -
2 stops8h 43m
Deal found 8/20![Lufthansa logo]()
$621
This flygcity.se deal was found by Cheapflights users on 8/20. 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 flygcity.se is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:18 am -
2 stops10h 37m
Sun 10/116:25 am -
1 stop6h 05m
Deal found 8/20![Air Canada logo]()
$623
This United Airlines deal was found by Cheapflights users on 8/17. 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 10/1711:29 am -
1 stop10h 06m
Wed 10/2110:37 am -
1 stop5h 34m
Deal found 8/17![United Airlines logo]()
$700
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/295:00 am -
1 stop7h 59m
Sat 10/35:20 pm -
1 stop6h 39m
Deal found 8/18![United Airlines logo]()
$701
This United Airlines deal was found by Cheapflights users on 8/20. 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 10/43:52 pm -
1 stop4h 43m
Sun 10/116:00 am -
2 stops8h 43m
Deal found 8/20![United Airlines logo]()
$710
This Air Canada deal was found by Cheapflights users on 8/18. 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.
Thu 9/35:00 am -
1 stop11h 16m
Mon 9/75:20 pm -
1 stop6h 16m
Deal found 8/18![Air Canada logo]()
$743
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/46:30 am -
2 stops16h 50m
Mon 9/74:15 pm -
1 stop19h 58m
Deal found 8/18![Multiple Airlines logo]()
$789
This Air Canada deal was found by Cheapflights users on 8/18. 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 9/295:00 am -
2 stops7h 17m
Sat 10/36:25 am -
1 stop8h 18m
Deal found 8/18![Air Canada logo]()
$792
This Air Canada deal was found by Cheapflights users on 8/17. 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.
Sat 10/178:30 am -
2 stops10h 22m
Wed 10/212:35 pm -
2 stops7h 50m
Deal found 8/17![Air Canada logo]()
$800
Best flights from Milwaukee to OttawaDiscover carefully curated flight deals from Milwaukee to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
Discover carefully curated flight deals from Milwaukee to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
This flygcity.se deal was found by Cheapflights users on 8/20. 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 flygcity.se is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:15 am -
1 stop6h 44m
Sun 10/116:01 pm -
1 stop6h 36m
Deal found 8/20![Air Canada logo]()
$632
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/142:20 pm -
1 stop6h 15m
Mon 9/215:57 pm -
1 stop6h 40m
Deal found 8/17![United Airlines logo]()
$700
This Air Canada deal was found by Cheapflights users on 8/17. 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.
Sat 10/108:30 am -
1 stop7h 46m
Sat 10/246:25 am -
1 stop6h 05m
Deal found 8/17![Air Canada logo]()
$685
This United Airlines deal was found by Cheapflights users on 8/20. 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 10/42:20 pm -
1 stop6h 15m
Sun 10/116:01 pm -
1 stop6h 36m
Deal found 8/20![United Airlines logo]()
$701
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/295:00 am -
1 stop7h 59m
Sat 10/35:20 pm -
1 stop6h 39m
Deal found 8/18![United Airlines logo]()
$701
This United Airlines deal was found by Cheapflights users on 8/18. 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 10/66:00 am -
1 stop9h 38m
Fri 10/95:20 pm -
1 stop14h 47m
Deal found 8/18![United Airlines logo]()
$701
Last-minute flights from Milwaukee to OttawaDiscover last-minute flight deals from Milwaukee to Ottawa. Data last updated August 22, 2026 and is based on user searches.
Discover last-minute flight deals from Milwaukee to Ottawa. Data last updated August 22, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 8/18. 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.
Thu 9/35:00 am -
1 stop11h 16m
Mon 9/75:20 pm -
1 stop6h 16m
Deal found 8/18![Air Canada logo]()
$743
This Delta deal was found by Cheapflights users on 8/18. 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 9/39:40 am -
2 stops13h 40m
Mon 9/76:55 am -
2 stops6h 50m
Deal found 8/18![Delta logo]()
$806
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/46:30 am -
2 stops16h 50m
Mon 9/74:15 pm -
1 stop19h 58m
Deal found 8/18![Multiple Airlines logo]()
$789
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/410:19 am -
1 stop5h 57m
Mon 9/76:25 am -
1 stop9h 08m
Deal found 8/18![United Airlines logo]()
$838
This oojo deal was found by Cheapflights users on 8/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:30 am -
2 stops34h 05m
Mon 9/76:55 am -
2 stops12h 06m
Deal found 8/18![WestJet logo]()
$886
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/295:00 am -
1 stop7h 59m
Sat 10/35:20 pm -
1 stop6h 39m
Deal found 8/18![United Airlines logo]()
$701
This Air Canada deal was found by Cheapflights users on 8/18. 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 9/295:00 am -
2 stops7h 17m
Sat 10/36:25 am -
1 stop8h 18m
Deal found 8/18![Air Canada logo]()
$792
One-way flights from Milwaukee to OttawaSearch for one-way flight options from Milwaukee to Ottawa. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
Search for one-way flight options from Milwaukee to Ottawa. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/1612:05 pm -
1 stop8h 30m
Deal found 8/18![United Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/210:19 am -
1 stop10h 16m
Deal found 8/18![United Airlines logo]()
$373
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/410:19 am -
2 stops7h 36m
Deal found 8/18![United Airlines logo]()
$395
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Wed 9/165:03 am -
3 stops13h 57m
Deal found 8/19![American Airlines logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/37:09 am -
3 stops13h 11m
Deal found 8/18![Multiple Airlines logo]()
$508
Find flight deals from Milwaukee to Ottawa
Discover tips and strategies to find the most affordable flight options for your journey from Milwaukee (MKE) to Ottawa (YOW). 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 22, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $621 (AOBTravel) |
One-way from | $309 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Milwaukee to Ottawa 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 7,457,451 searches. Data last updated August 22, 2026.
Use the filters below to find and compare flights from Milwaukee to Ottawa that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MilwaukeeOttawa
MKE Milwaukee-Mitchell - YOW Ottawa
MKEYOW
Milwaukee-Mitchell
Sun 10/4
6:15 am-1:59 pm
1 stop6h 44m
Ottawa
Sun 10/11
6:01 pm-11:37 pm
1 stop6h 36m
$632
MilwaukeeOttawa
MKE Milwaukee-Mitchell - YOW Ottawa
MKEYOW
Milwaukee-Mitchell
Sat 10/10
8:30 am-5:16 pm
1 stop7h 46m
Ottawa
Sat 10/24
6:25 am-11:30 am
1 stop6h 05m
$685
MilwaukeeOttawa
MKE Milwaukee-Mitchell - YOW Ottawa
MKEYOW
Milwaukee-Mitchell
Mon 9/14
2:20 pm-9:35 pm
1 stop6h 15m
Ottawa
Mon 9/21
5:57 pm-11:37 pm
1 stop6h 40m
$700
Quickest round-trip
MilwaukeeOttawa
MKE Milwaukee-Mitchell - YOW Ottawa
MKEYOW
Milwaukee-Mitchell
Sun 10/4
2:20 pm-9:35 pm
1 stop6h 15m
Ottawa
Sun 10/11
6:01 pm-11:37 pm
1 stop6h 36m
$701
MilwaukeeOttawa
MKE Milwaukee-Mitchell - YOW Ottawa
MKEYOW
Milwaukee-Mitchell
Tue 9/29
5:00 am-1:59 pm
1 stop7h 59m
Ottawa
Sat 10/3
5:20 pm-10:59 pm
1 stop6h 39m
$701
MilwaukeeOttawa
MKE Milwaukee-Mitchell - YOW Ottawa
MKEYOW
Milwaukee-Mitchell
Tue 10/6
6:00 am-4:38 pm
1 stop9h 38m
Ottawa
Fri 10/9
5:20 pm-7:07 am
1 stop14h 47m
$701
Cheapest one-way
MilwaukeeOttawa
MKE Milwaukee-Mitchell - YOW Ottawa
MKEYOW
Milwaukee-Mitchell
Wed 9/16
12:05 pm-9:35 pm
1 stop8h 30m
$309
Quickest one-way
MilwaukeeOttawa
MKE Milwaukee-Mitchell - YOW Ottawa
MKEYOW
Milwaukee-Mitchell
Fri 9/4
1:19 pm-9:35 pm
1 stop7h 16m
$373
MilwaukeeOttawa
MKE Milwaukee-Mitchell - YOW Ottawa
MKEYOW
Milwaukee-Mitchell
Wed 9/2
6:15 am-4:38 pm
2 stops9h 23m
$373
MilwaukeeOttawa
MKE Milwaukee-Mitchell - YOW Ottawa
MKEYOW
Milwaukee-Mitchell
Wed 9/16
5:03 am-8:00 pm
3 stops13h 57m
$417
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Milwaukee-Ottawa flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Milwaukee-Ottawa flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Milwaukee-Ottawa flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Milwaukee-Ottawa flights, Cheapflights users trust Expedia the most. Expedia 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 Milwaukee-Ottawa 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 Milwaukee to Ottawa
Have a flexible travel schedule? Discover the best time to fly to Ottawa from Milwaukee with our price prediction graph.
MKE-YOW
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.
Reviews of airlines servicing Ottawa
Get insights into the airlines that provide service to Ottawa. 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 Ottawa. Reviews last updated August 22, 2026.
Peruse reviews from past customers who have flown with United Airlines from Milwaukee to Ottawa to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Boarding
7.7
Crew
8.1
Comfort
7.3
Entertainment
7.1
Food
6.7
Reviews
1 / 20
2.0
MediocreDeb,Jan 2025
MKE - ORD
Overall
7.4
Boarding
7.7
Crew
8.1
Comfort
7.3
Entertainment
7.1
Food
6.7
Reviews
1 / 20
2.0
MediocreDeb,Jan 2025
MKE - ORD
Related info for your journey
Find useful and relevant information for your journey from Milwaukee to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Ottawa?
Book flights to Ottawa if you plan to visit one of these locationsGatineau
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Complete your trip to Ottawa by adding a car rental and/or hotel reservation to your travel itinerary.
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Milwaukee and Ottawa flights
Browse other Milwaukee and Ottawa flight options. Last updated on August 22, 2026.
Other flights from Milwaukee
Browse through other flights departing from Milwaukee. Flights are based on user searches made on Cheapflights and were last updated on August 22, 2026.
Other flights to Ottawa
Explore flights to Ottawa departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Milwaukee to Ottawa
Discover the top airline that operate flights from Milwaukee to Ottawa. 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 7,457,451 searches. Data last updated August 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$348 | Average$572 | FlexibilityNo cancel fee | On-time69% |