Cheap flights from Ottawa to Portland from C$ 206
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Portland departing on 24/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Early arrival? Instantly customize your resultsTrusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Ottawa to Portland
Cheap round-trip flights
Cheap one-way flights
WestJet flights from Ottawa to Portland
Our best WestJet deals on Ottawa to Portland flight tickets
Air Canada flights from Ottawa to Portland
Our best Air Canada deals on Ottawa to Portland flight tickets
See travel insights to Portland from
How to get the cheapest flight ticket from Ottawa to Portland
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Portland?
The month of September is, on average, the cheapest month to fly to Portland from Ottawa, with most prices found around C$ 475. If you are unable to visit Portland during the month of September, then departing from Ottawa during the month November is also very affordable. Most momondo users find prices during this month for around C$ 484.
What is the cheapest day to depart on your flight to Portland?
The cheapest day to depart from Ottawa to Portland is on a Sunday. Travellers who choose to depart for Portland on a Sunday will often find tickets for as low as C$ 583. On the other hand, Monday is the most expensive day to depart from Ottawa because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 785.
What is the cheapest time of day to depart on your flight to Portland?
In the evening is the cheapest time of day to fly from Ottawa to Portland when you can find flight prices for as low as C$ 542. Flying to Portland in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 1,703 on average. Flights to Portland from Ottawa at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.
How far in advance should I book a flight to Portland?
You are more likely to see cheaper flights to Portland from Ottawa when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to Portland for around C$ 651 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Ottawa for as low as C$ 463 on momondo.
What is the cheapest airline that flies from Ottawa to Portland?
WestJet, Delta, and United Airlines are the most popular carriers operating from Ottawa to Portland
Which airlines fly to Portland?
Air Canada, WestJet and United Airlines are the top three most popular airlines that fly to Portland from Ottawa according to our data. Air Canada is the first choice among our users, with 51% of people opting to fly with this airline when travelling to Portland. Keep in mind that there are 4 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.
When to book flights from Ottawa to Portland
Cheap Ottawa to Portland (YOW to PDX) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ottawa to Portland
How far is Ottawa to Portland by plane?
A flight from Ottawa to Portland will travel around 3607.3 km. Flights usually cover this in 7h 55m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Ottawa Airport to Portland Airport?
Prices for flights from Ottawa Airport to Portland Airport are updated daily.
How many operators does momondo search for flights from Ottawa Airport to Portland Airport?
As of April 2025, there are 3 operators available to choose from for flights from Ottawa Airport to Portland Airport.
How old do you have to be to fly from Ottawa Airport to Portland Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ottawa Airport to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Ottawa to Portland?
momondo data reveals that the most frequently booked airline on the route from Ottawa to Portland is Air Canada, representing 51% of all bookings. The subsequent popular airlines are WestJet at 34% and United Airlines at 15%.
Best airlines flying from Ottawa to Portland
Compare and see reviews for airlines that fly from Ottawa to Portland with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 314 | Free Cancellation | Rating 7.2 2,802 reviews | |||
| PriceFrom C$ 375 | Free Cancellation | Rating 7.4 8,636 reviews | |||
| PriceFrom C$ 412 | Free Cancellation | Rating 7.0 9,083 reviews |
Travelling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Ottawa to Portland?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ottawa to Portland for you.
Can I find flights from Ottawa to Portland with flexible booking policies on momondo?
Yes. All flights to Portland from Ottawa on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Ottawa to Portland?
Once all potential Ottawa to Portland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Ottawa to Portland right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Ottawa to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know when they change.