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Cheap flights from Ottawa to Milwaukee from C$ 301

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — MKE
30 Mar — 6 Apr1
1 adult

Cheap 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 25 March 2025.

Round-trip from

C$ 860

One-way from

C$ 301

Popular in

October

Cheapest in

November

Average price

C$ 1,047
Delta
  • Delta
  • 20/6-23/6
  • 4 total stops
  • 19h 24m total
  • Ottawa to Milwaukee
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8/5
  • 8/5
  • 2 total stops
  • 20h 37m total
  • Ottawa to Milwaukee
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Highest demand for flights based on searches. 2% potential increase in price (C$ 32 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 53 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Ottawa to Milwaukee

Cheapest flights from Ottawa to Milwaukee
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 25 March 2025.

Fri 20/65:55 a.m.YOW - MKE
2 stops11h 09mDelta
Mon 23/63:07 p.m.MKE - YOW
2 stops8h 15mDelta
Deal found 23/3C$ 860
Fri 20/65:25 p.m.YOW - MKE
1 stop6h 00mUnited Airlines
Mon 23/65:15 a.m.MKE - YOW
1 stop7h 49mUnited Airlines
Deal found 23/3C$ 872

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 629,999 searches. Data last updated 25 March 2025.
Use the filters below to find and compare flights from Ottawa to Milwaukee that are best for you.

Fly from

Ottawa

Fly to

Milwaukee

Route

Depart

Return

Price

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Fri 20/6

5:55 a.m.-4:04 p.m.

2 stops11h 09m

Milwaukee-Mitchell

Mon 23/6

3:07 p.m.-12:22 a.m.

2 stops8h 15m

C$ 860

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Fri 20/6

5:25 p.m.-10:25 p.m.

1 stop6h 00m

Milwaukee-Mitchell

Mon 23/6

5:15 a.m.-2:04 p.m.

1 stop7h 49m

C$ 872

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Thu 8/5

3:50 p.m.-11:27 a.m.

2 stops20h 37m

C$ 301

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Sat 21/6

6:40 a.m.-4:40 p.m.

1 stop11h 00m

C$ 474

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/3

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.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ottawa to Milwaukee

What is the cheapest month to book a flight from Ottawa to Milwaukee?

Currently, January is the cheapest month in which you can book a flight from Ottawa to Milwaukee (average of C$ 341). Flying from Ottawa to Milwaukee in July is currently the most expensive (average of C$ 484). 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.

Rainfall in Milwaukee by month

Plan your trip to Milwaukee by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Milwaukee ranges from 36.0 - 102.0 mm per month. June is typically the wettest month, when rainfall can reach 102.0 mm. January is typically the driest time to visit Milwaukee when rainfall is around 36.0 mm.

Temperature in Milwaukee by month

Plan your trip to Milwaukee by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Milwaukee, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Milwaukee

Get insights into the airlines that provide service to Milwaukee. 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 Milwaukee. Reviews last updated 25 March 2025.
Delta
8.0
Very good
7,890 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,890 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,605 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines flying from Ottawa to Milwaukee round-trip?

    Delta, at C$ 860, was found to be the cheapest airline from Ottawa to Milwaukee. An alternate airline flying to your destination would be United Airlines. These flights start at 8% lower than the current average price 3 months from now.

  • Can I find deals for flights from Ottawa to Milwaukee that include hotel bookings?

    Yes. In addition to deals on Ottawa to Milwaukee flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Milwaukee?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Milwaukee.

  • Can I find deals for business class flights from Ottawa to Milwaukee?

    Yes. Cheapflights offers flight deals from Ottawa to Milwaukee by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ottawa to Milwaukee?

    Currently, January is the cheapest month in which you can book a flight from Ottawa to Milwaukee (average of C$ 341). Flying from Ottawa to Milwaukee in July is currently the most expensive (average of C$ 484). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Ottawa to Milwaukee

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Ottawa to Milwaukee

Discover the top airline that operate flights from Ottawa to Milwaukee. 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 629,999 searches. Data last updated 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 718AverageC$ 965FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ottawa to Milwaukee?

When you search for this flight from Ottawa to Milwaukee, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to Milwaukee?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ottawa to Milwaukee.

Can Cheapflights find flights from Ottawa to Milwaukee with no change fees?

Need flexible booking options for your flight to Milwaukee from Ottawa? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ottawa to Milwaukee become cheaper?

Yes! Start tracking prices for Ottawa to Milwaukee flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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