$327+ Cheap flights from Ottawa (YOW) to Milwaukee (MKE)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — MKE
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Find cheap flights from Ottawa to Milwaukee with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ottawa to Milwaukee
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Best
Last-minute
One-way
Cheapest flights from Ottawa to MilwaukeeExplore the most affordable flight options available from Ottawa to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from Ottawa to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:00 pm -
2 stops7h 50m
Fri 11/276:47 am -
2 stops7h 20m
Deal found 9/14![United Airlines logo]()
$594
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Thu 10/16:00 am -
3 stops8h 43m
Sun 10/46:15 am -
1 stop6h 44m
Deal found 9/11![United Airlines logo]()
$646
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 9/233:10 pm -
1 stop5h 56m
Tue 9/293:52 pm -
1 stop4h 43m
Deal found 9/13![United Airlines logo]()
$819
Best flights from Ottawa to MilwaukeeDiscover carefully curated flight deals from Ottawa to Milwaukee that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from Ottawa to Milwaukee that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/234:46 pm -
1 stop6h 29m
Fri 11/278:00 am -
1 stop5h 09m
Deal found 9/14![United Airlines logo]()
$594
Last-minute flights from Ottawa to MilwaukeeDiscover last-minute flight deals from Ottawa to Milwaukee. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Ottawa to Milwaukee. Data last updated September 15, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 9/233:10 pm -
1 stop5h 56m
Tue 9/293:52 pm -
1 stop4h 43m
Deal found 9/13![United Airlines logo]()
$819
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:55 am -
2 stops10h 10m
Tue 9/299:37 am -
2 stops6h 58m
Deal found 9/11![Delta logo]()
$842
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Thu 10/16:00 am -
2 stops10h 11m
Sun 10/46:15 am -
1 stop6h 44m
Deal found 9/11![United Airlines logo]()
$646
One-way flights from Ottawa to MilwaukeeSearch for one-way flight options from Ottawa to Milwaukee. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from Ottawa to Milwaukee. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This United Airlines deal was found by Cheapflights users on 9/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:25 am -
1 stop9h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![United Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/85:30 am -
2 stops11h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Delta logo]()
$367
This Air Canada deal was found by Cheapflights users on 9/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/86:15 am -
1 stop8h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Air Canada logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/128:55 am -
3 stops25h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$410
Find flight deals from Ottawa to Milwaukee
Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Milwaukee (MKE). 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 September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $594 (United Airlines) |
One-way from | $321 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Ottawa to Milwaukee 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 September 15, 2026.
Use the filters below to find and compare flights from Ottawa to Milwaukee that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OttawaMilwaukee
YOW Ottawa - MKE Milwaukee-Mitchell
YOWMKE
Ottawa
Mon 10/12
6:25 am-3:11 pm
1 stop9h 46m
Milwaukee-Mitchell
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$327
OttawaMilwaukee
YOW Ottawa - MKE Milwaukee-Mitchell
YOWMKE
Ottawa
Fri 1/8
5:30 am-4:07 pm
2 stops11h 37m
Milwaukee-Mitchell
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$367
Quickest round-trip
OttawaMilwaukee
YOW Ottawa - MKE Milwaukee-Mitchell
YOWMKE
Ottawa
Fri 1/8
6:15 am-2:01 pm
1 stop8h 46m
Milwaukee-Mitchell
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$370
OttawaMilwaukee
YOW Ottawa - MKE Milwaukee-Mitchell
YOWMKE
Ottawa
Mon 10/12
8:55 am-9:20 am
3 stops25h 25m
Milwaukee-Mitchell
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$410
OttawaMilwaukee
YOW Ottawa - MKE Milwaukee-Mitchell
YOWMKE
Ottawa
Mon 11/23
4:46 pm-10:15 pm
1 stop6h 29m
Milwaukee-Mitchell
Fri 11/27
8:00 am-2:09 pm
1 stop5h 09m
$594
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Ottawa-Milwaukee flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ottawa-Milwaukee flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ottawa-Milwaukee flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ottawa-Milwaukee 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-Milwaukee 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 Milwaukee
Have a flexible travel schedule? Discover the best time to fly to Milwaukee from Ottawa with our price prediction graph.
YOW-MKE
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 Milwaukee. 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 Milwaukee?
Book flights to Milwaukee if you plan to visit one of these locationsPort Washington
Sheboygan
New Berlin
Oak Creek
Wauwatosa
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