A river meandering through a valley with mountains in the background.

CA $425 Cheap Flights from Ottawa (YOW) to Billings (BIL)

View CA $425 flight on Thu, Sep 17, 2026Opens in a new window

Popular airlines from Ottawa International Airport (YOW) to Billings Logan Intl. Airport (BIL)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Ottawa (YOW) to Billings (BIL)

Prices were available within the past 7 days and start at CA $425 for one-way flights and CA $753 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Sep 17 - Mon, Sep 21
YOW
Ottawa
BIL
Billings
CA $753 Roundtrip, found 2 days ago
CA $753
Roundtrip
found 2 days ago
Select United flight, departing Thu, Sep 17 from Ottawa to Billings, returning Mon, Sep 21, priced at CA $753 found 2 days ago
United
Wed, Sep 16 - Sat, Sep 19
YOW
Ottawa
BIL
Billings
CA $810 Roundtrip, found 2 days ago
CA $810
Roundtrip
found 2 days ago
Select United flight, departing Wed, Sep 16 from Ottawa to Billings, returning Sat, Sep 19, priced at CA $810 found 2 days ago
United
Thu, Sep 17 - Mon, Sep 21
YOW
Ottawa
BIL
Billings
CA $837 Roundtrip, found 2 days ago
CA $837
Roundtrip
found 2 days ago
Select United flight, departing Thu, Sep 17 from Ottawa to Billings, returning Mon, Sep 21, priced at CA $837 found 2 days ago
Air Canada
Thu, Sep 3 - Sun, Sep 13
YOW
Ottawa
BIL
Billings
CA $838 Roundtrip, found 5 days ago
CA $838
Roundtrip
found 5 days ago
Select Air Canada flight, departing Thu, Sep 3 from Ottawa to Billings, returning Sun, Sep 13, priced at CA $838 found 5 days ago
Air Canada
Thu, Oct 15 - Tue, Nov 3
YOW
Ottawa
BIL
Billings
CA $841 Roundtrip, found 2 days ago
CA $841
Roundtrip
found 2 days ago
Select Air Canada flight, departing Thu, Oct 15 from Ottawa to Billings, returning Tue, Nov 3, priced at CA $841 found 2 days ago
Air Canada
Thu, Sep 3 - Sun, Sep 13
YOW
Ottawa
BIL
Billings
CA $843 Roundtrip, found 5 days ago
CA $843
Roundtrip
found 5 days ago
Select Air Canada flight, departing Thu, Sep 3 from Ottawa to Billings, returning Sun, Sep 13, priced at CA $843 found 5 days ago
United
Thu, Sep 17 - Mon, Sep 21
YOW
Ottawa
BIL
Billings
CA $848 Roundtrip, found 2 days ago
CA $848
Roundtrip
found 2 days ago
Select United flight, departing Thu, Sep 17 from Ottawa to Billings, returning Mon, Sep 21, priced at CA $848 found 2 days ago
Air Canada
Thu, Sep 3 - Sun, Sep 13
YOW
Ottawa
BIL
Billings
CA $849 Roundtrip, found 5 days ago
CA $849
Roundtrip
found 5 days ago
Select Air Canada flight, departing Thu, Sep 3 from Ottawa to Billings, returning Sun, Sep 13, priced at CA $849 found 5 days ago
United
Thu, Sep 17 - Mon, Sep 21
YOW
Ottawa
BIL
Billings
CA $852 Roundtrip, found 2 days ago
CA $852
Roundtrip
found 2 days ago
Select United flight, departing Thu, Sep 17 from Ottawa to Billings, returning Mon, Sep 21, priced at CA $852 found 2 days ago
Delta
Mon, Sep 21 - Sun, Oct 4
YOW
Ottawa
BIL
Billings
CA $899 Roundtrip, found 2 days ago
CA $899
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Sep 21 from Ottawa to Billings, returning Sun, Oct 4, priced at CA $899 found 2 days ago

Frequently asked questions

How much does a flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Billings, MT (BIL-Logan Intl.) cost?
You can find cheap one-way flights from CA $425 and cheap return flights from CA $753 YOW to BIL with Expedia. Return flights often range between CA$1018 and CA$3834. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when YOW to BIL ticket fares go up or down.
What is the cheapest month to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Billings, MT (BIL-Logan Intl.)?
The cheapest months to fly from YOW to BIL are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Billings, MT (BIL-Logan Intl.)?
Enter YOW to BIL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Billings, MT (BIL-Logan Intl.)?
Porter Airlines is one of the cheapest airlines offering connecting return flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Billings, MT (BIL-Logan Intl.), with tickets starting from around CA$1944 for flights that can be booked for departure within the next year. These flights typically include a layover in Toronto (YYZ-Pearson Intl.). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Billings, MT (BIL-Logan Intl.)?
To find a cheap flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Billings, MT (BIL-Logan Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Billings, MT (BIL-Logan Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Billings, MT (BIL-Logan Intl.)?
There are approximately 21 connecting flights per day from Ottawa Macdonald-Cartier Intl. (YOW) to Billings Logan Intl. (BIL). Some common connection points include Pearson Intl. (YYZ), O'Hare Intl. (ORD), and Calgary Intl. (YYC).
What is the earliest flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Billings, MT (BIL-Logan Intl.)?
The earliest flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Billings, MT (BIL-Logan Intl.) typically departs at around 5:00 AM local time. This service is offered by Air Canada and United. This is a seasonal service, active only in January. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Billings, MT (BIL-Logan Intl.)?
You'll typically find the most flights from Ottawa Macdonald-Cartier Intl. (YOW) to Billings Logan Intl. (BIL) on a Saturday, with around 15 flights available. This gives you a good selection for your travel plans. Major airlines on this route include Air Canada, United, and Porter Airlines.
What are the most popular departure times for flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Billings, MT (BIL-Logan Intl.)?
The most popular departure times for flights from Ottawa Macdonald-Cartier Intl. (YOW) to Billings Logan Intl. (BIL) are in the early morning, from 6am to 9am. Many major carriers, including United, Air Canada and WestJet, offer flights during this window. Many travellers prefer these times because it allows them to start their journey early and arrive at their destination with plenty of time left in the day.
How long does it take to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Billings, MT (BIL-Logan Intl.)?
There are no nonstop flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Billings, MT (BIL-Logan Intl.). The shortest flights typically involve one stop and take around 7 hours, covering a distance of approximately 2,541 kilometres. Flights with two or more stops usually take longer, averaging about 17 hours 18 minutes. Keep in mind that actual travel times can vary due to factors like layover duration, routing, and weather conditions.
Can you fly business or first class from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Billings, MT (BIL-Logan Intl.)?
You can fly first class from YOW to BIL. First class cabins are available on United.
How do I earn miles on a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Billings, MT (BIL-Logan Intl.) flight with Expedia?
It's easy to earn miles on a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Billings, MT (BIL-Logan Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Billings, MT (BIL) from Ottawa, ON (YOW)?
If you're planning to travel to Billings from Macdonald-Cartier Intl. (YOW), you can fly directly into Logan Intl. (BIL). Some flights may connect through major hubs like Pearson Intl. (YYZ), Liberty Intl. (EWR), or Washington Dulles Intl. (IAD) before reaching Billings. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Billings, MT (BIL-Logan Intl.) at the last minute?
Typically, booking a last minute flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Billings, MT (BIL-Logan Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Billings, MT (BIL-Logan Intl.) flight and hotel package?
Securing a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Billings, MT (BIL-Logan Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Billings, MT (BIL-Logan Intl.)?
If you booked your Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Billings, MT (BIL-Logan Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Macdonald-Cartier Intl.
Destination airport
Logan Intl.
Roundtrip price
CA $752
Distance
2526 km

Book with confidence

Ottawa to Billings Flights

The easy way to book your flights from Ottawa to Billings 

With Expedia, it’s simple to find and book flights to Billings from Ottawa whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Logan Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Ottawa to Billings today, tomorrow, or this week.  

 

Save dollars with cheap flights from Macdonald-Cartier Intl., YOW to Logan Intl., BIL 

Sort your search results by price to find great deals on your flight from Ottawa to Billings—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Billings from Ottawa currently is just CA $753 rising to CA $899.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Billings  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Billings from Ottawa 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Billings with Expedia today.

Ottawa to Billings Flights

Explore a world of travel with Expedia

*Available to Expedia members.