Cheap flights from Ottawa to the United States from C$ 157
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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Ottawa to USA
Keep the following information in mind while searching for Ottawa to USA flight deals. Data was last updated 12 June 2025.
Find flight deals from Ottawa to USA
Cheapest flights from Ottawa to USAExplore the most affordable flight options available from Ottawa to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 June 2025.
Explore the most affordable flight options available from Ottawa to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 June 2025.
Cheapflights Fare Finder
Customize your flight search to find flights from Ottawa to USA 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 12 June 2025.
Use the filters below to find and compare flights from Ottawa to the United States that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
OttawaLos Angeles
YOW - LAX
YOWLAX
Ottawa
Sat 30/8
12:20 p.m.-8:23 p.m.
2 stops11h 03m
Los Angeles
Tue 2/9
7:00 a.m.-6:20 p.m.
1 stop8h 20m
OttawaNewark
YOW - EWR
YOWEWR
Ottawa
Tue 8/7
4:10 p.m.-5:40 p.m.
Nonstop1h 30m
Newark
Tue 15/7
1:15 p.m.-2:56 p.m.
Nonstop1h 41m
OttawaLos Angeles
YOW - LAX
YOWLAX
Ottawa
Tue 15/7
7:00 a.m.-1:00 p.m.
1 stop9h 00m
Los Angeles
Tue 22/7
2:00 p.m.-12:21 a.m.
1 stop7h 21m
OttawaLos Angeles
YOW - LAX
YOWLAX
Ottawa
Sat 6/9
2:40 p.m.-9:35 p.m.
1 stop9h 55m
Los Angeles
Sat 13/9
10:30 p.m.-10:25 a.m.
1 stop8h 55m
OttawaLos Angeles
YOW - LAX
YOWLAX
Ottawa
Sat 6/9
7:00 a.m.-1:00 p.m.
1 stop9h 00m
Los Angeles
Sat 13/9
3:00 p.m.-5:23 a.m.
2 stops11h 23m
OttawaLos Angeles
YOW - LAX
YOWLAX
Ottawa
Sat 25/10
6:33 a.m.-3:34 p.m.
1 stop12h 01m
Los Angeles
Sun 2/11
11:20 p.m.-10:26 a.m.
1 stop8h 06m
OttawaFort Lauderdale
YOW - FLL
YOWFLL
Ottawa
Mon 30/6
3:50 p.m.-7:35 p.m.
Nonstop3h 45m
Fort Lauderdale
Thu 3/7
1:50 p.m.-5:15 p.m.
Nonstop3h 25m
OttawaOrlando
YOW - MCO
YOWMCO
Ottawa
Fri 25/7
4:25 p.m.-7:44 p.m.
Nonstop3h 19m
Orlando
Fri 1/8
1:45 p.m.-5:06 p.m.
Nonstop3h 21m
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Wed 25/6
7:50 a.m.-8:21 p.m.
2 stops15h 31m
Las Vegas Harry Reid Intl
Sat 28/6
1:25 p.m.-5:25 a.m.
2 stops13h 00m
OttawaNewark
YOW - EWR
YOWEWR
Ottawa
Wed 2/7
11:00 a.m.-12:30 p.m.
Nonstop1h 30m
Newark
Wed 9/7
1:15 p.m.-2:56 p.m.
Nonstop1h 41m
Best time to book a flight from Ottawa to USA
Have a flexible travel schedule? Discover the best time to fly to USA from Ottawa with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Ottawa to the United States
What is the cheapest month to book a flight from Ottawa to USA?
Currently, September is the cheapest month in which you can book a flight from Ottawa to USA (average of C$ 226). Flying from Ottawa to USA in July is currently the most expensive (average of C$ 306). 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.
What is the cheapest time of day to fly from YOW to US?
Find hourly flight availability from Ottawa to USA. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 June 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ottawa to USA as you normally would.
Rainfall in USA by month
Plan your trip to USA by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in USA ranges from 61.0 - 221.0 mm per month. June is typically the wettest month, when rainfall can reach 221.0 mm. November is typically the driest time to visit USA when rainfall is around 61.0 mm.
Temperature in USA by month
Plan your trip to USA by taking into account the average temperature totals by month.
If weather is an important factor for your trip to USA, 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 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 16.0 C).
Reviews of airlines servicing USA
Get insights into the airlines that provide service to USA. 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 USA. Reviews last updated 12 June 2025.
Peruse reviews from past customers who have flown with Porter Airlines, Delta and Air Transat from Ottawa to USA 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
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Mary,Jun 2025
FLL - YYZ
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Mary,Jun 2025
FLL - YYZ
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Mary,Jun 2025
FLL - YYZ
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Mary,Jun 2025
FLL - YYZ
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Mary,Jun 2025
FLL - YYZ
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Mary,Jun 2025
FLL - YYZ
Related info for your journey
Find useful and relevant information for your journey from Ottawa to USA. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ottawa to USA
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Ottawa to USA
Discover the top 5 airlines that operate flights from Ottawa to USA. 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 12 June 2025.
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 USA?
Cheapflights helps you search for flights from Ottawa to USA via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Ottawa to USA?
Cheapflights simply makes it quick and affordable to book flights from Ottawa to USA by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Ottawa to USA with no change fees?
Certainly. Search results for flights to USA from Ottawa shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Ottawa to USA become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to USA from Ottawa today and book when prices fit your budget.