$188+ Cheap flights from Portland (PDX) to Ottawa (YOW)
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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YOW
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Ottawa 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 Portland to Ottawa
Cheapest
Best
Last-minute
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Cheapest flights from Portland to OttawaExplore the most affordable flight options available from Portland to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from Portland to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This FlightHub deal was found by Cheapflights users on 9/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:30 pm -
2 stops19h 00m
Wed 10/147:20 am -
1 stop9h 30m
Deal found 9/6![WestJet logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Fri 10/162:30 pm -
1 stop12h 05m
Sat 10/174:15 pm -
1 stop24h 35m
Deal found 9/7![WestJet logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Thu 10/16:50 pm -
2 stops21h 30m
Sat 10/174:15 pm -
1 stop24h 35m
Deal found 9/6![Multiple Airlines logo]()
$432
This Air Canada deal was found by Cheapflights users on 9/5. 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.
Mon 10/197:45 pm -
1 stop7h 13m
Wed 10/215:10 am -
2 stops12h 36m
Deal found 9/5![Air Canada logo]()
$440
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/1910:33 pm -
1 stop7h 38m
Wed 10/215:20 pm -
1 stop8h 03m
Deal found 9/6![United Airlines logo]()
$441
Best flights from Portland to OttawaDiscover carefully curated flight deals from Portland to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Portland to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This oojo deal was found by Cheapflights users on 9/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:30 pm -
2 stops19h 00m
Wed 10/146:55 am -
2 stops9h 55m
Deal found 9/10![WestJet logo]()
$387
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/1910:33 pm -
1 stop7h 38m
Wed 10/215:20 pm -
1 stop8h 03m
Deal found 9/6![United Airlines logo]()
$441
This United deal was found by Cheapflights users on 9/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2311:30 pm -
1 stop14h 46m
Sun 10/257:45 am -
1 stop13h 46m
Deal found 9/10![Multiple Airlines logo]()
$467
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 10/208:30 am -
1 stop10h 05m
Wed 10/212:52 pm -
1 stop8h 18m
Deal found 9/9![United Airlines logo]()
$453
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 10/2311:30 pm -
1 stop14h 46m
Fri 10/302:00 pm -
1 stop9h 15m
Deal found 9/9![United Airlines logo]()
$458
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/248:30 am -
1 stop10h 05m
Tue 9/296:05 am -
2 stops17h 55m
Deal found 9/7![United Airlines logo]()
$459
Last-minute flights from Portland to OttawaDiscover last-minute flight deals from Portland to Ottawa. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Ottawa. Data last updated September 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Thu 10/16:50 pm -
2 stops21h 30m
Sat 10/174:15 pm -
1 stop24h 35m
Deal found 9/6![Multiple Airlines logo]()
$432
This Justfly.com deal was found by Cheapflights users on 9/9. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:30 pm -
2 stops19h 00m
Wed 10/147:20 am -
1 stop9h 30m
Deal found 9/9![WestJet logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Fri 10/162:30 pm -
1 stop12h 05m
Sat 10/174:15 pm -
1 stop24h 35m
Deal found 9/7![WestJet logo]()
$367
This Air Canada deal was found by Cheapflights users on 9/5. 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.
Mon 10/197:45 pm -
1 stop7h 13m
Wed 10/215:10 am -
2 stops12h 36m
Deal found 9/5![Air Canada logo]()
$440
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/1910:33 pm -
1 stop7h 38m
Wed 10/215:20 pm -
1 stop8h 03m
Deal found 9/6![United Airlines logo]()
$441
One-way flights from Portland to OttawaSearch for one-way flight options from Portland to Ottawa. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Portland to Ottawa. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Wed 9/302:30 pm -
2 stops19h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![WestJet logo]()
$188
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Fri 10/238:25 am -
1 stop12h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$196
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/3010:33 pm -
1 stop15h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Fri 10/238:08 pm -
3 stops30h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Wed 9/302:30 pm -
3 stops14h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$261
Find flight deals from Portland to Ottawa
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Ottawa (YOW). 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 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $360 (FlightHub) |
One-way from | $188 (Kiwi.com) |
Popular in | April |
Cheapest in | August |
Average price | $653 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Ottawa 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 10, 2026.
Use the filters below to find and compare flights from Portland to Ottawa that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandOttawa
PDX Portland - YOW Ottawa
PDXYOW
Portland
Wed 9/30
2:30 pm-12:30 pm
2 stops19h 00m
Ottawa
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$188
PortlandOttawa
PDX Portland - YOW Ottawa
PDXYOW
Portland
Wed 9/30
10:33 pm-4:38 pm
1 stop15h 05m
Ottawa
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$200
PortlandOttawa
PDX Portland - YOW Ottawa
PDXYOW
Portland
Fri 10/23
8:08 pm-5:35 am
3 stops30h 27m
Ottawa
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$226
Quickest round-trip
PortlandOttawa
PDX Portland - YOW Ottawa
PDXYOW
Portland
Wed 9/30
2:30 pm-8:05 am
3 stops14h 35m
Ottawa
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$261
PortlandOttawa
PDX Portland - YOW Ottawa
PDXYOW
Portland
Mon 10/5
2:30 pm-12:30 pm
2 stops19h 00m
Ottawa
Wed 10/14
6:55 am-1:50 pm
2 stops9h 55m
$387
PortlandOttawa
PDX Portland - YOW Ottawa
PDXYOW
Portland
Mon 10/19
10:33 pm-9:11 am
1 stop7h 38m
Ottawa
Wed 10/21
5:20 pm-10:23 pm
1 stop8h 03m
$441
PortlandOttawa
PDX Portland - YOW Ottawa
PDXYOW
Portland
Tue 10/20
8:30 am-9:35 pm
1 stop10h 05m
Ottawa
Wed 10/21
2:52 pm-8:10 pm
1 stop8h 18m
$453
PortlandOttawa
PDX Portland - YOW Ottawa
PDXYOW
Portland
Fri 10/23
11:30 pm-5:16 pm
1 stop14h 46m
Ottawa
Fri 10/30
2:00 pm-8:15 pm
1 stop9h 15m
$458
PortlandOttawa
PDX Portland - YOW Ottawa
PDXYOW
Portland
Thu 9/24
8:30 am-9:35 pm
1 stop10h 05m
Ottawa
Tue 9/29
6:05 am-9:00 pm
2 stops17h 55m
$459
PortlandOttawa
PDX Portland - YOW Ottawa
PDXYOW
Portland
Fri 10/23
11:30 pm-5:16 pm
1 stop14h 46m
Ottawa
Sun 10/25
7:45 am-6:31 pm
1 stop13h 46m
$467
Sorted by cheapest first
Compare providers for flights from Portland to Ottawa
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Ottawa in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Portland-Ottawa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Ottawa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Ottawa flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-Ottawa 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 Portland-Ottawa 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 Portland to Ottawa
Have a flexible travel schedule? Discover the best time to fly to Ottawa from Portland with our price prediction graph.
PDX-YOW
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 Portland to Ottawa
Reviews of airlines servicing Ottawa
Get insights into the airlines that provide service to Ottawa. 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 Ottawa. Reviews last updated September 10, 2026.
Peruse reviews from past customers who have flown with United Airlines and Air Canada from Portland to Ottawa 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.
Comfort
7.3
Crew
8.1
Entertainment
7.1
Overall
7.4
Food
6.7
Boarding
7.7
Reviews
1 / 20
6.0
GoodMiz,Oct 2024
EWR - YYZ
Comfort
7.3
Crew
8.1
Entertainment
7.1
Overall
7.4
Food
6.7
Boarding
7.7
Reviews
1 / 20
6.0
GoodMiz,Oct 2024
EWR - YYZ
Comfort
7.3
Crew
8.1
Entertainment
7.1
Overall
7.4
Food
6.7
Boarding
7.7
Reviews
1 / 20
6.0
GoodMiz,Oct 2024
EWR - YYZ
Related info for your journey
Find useful and relevant information for your journey from Portland to Ottawa. 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 Ottawa?
Book flights to Ottawa if you plan to visit one of these locationsGatineau
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Complete your trip
Complete your trip to Ottawa by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Ottawa by cabin class
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Portland and Ottawa flights
Browse other Portland and Ottawa flight options. Last updated on September 10, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on September 10, 2026.
Other flights to Ottawa
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Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Portland to Ottawa
Discover the top 2 airlines that operate flights from Portland to Ottawa. 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 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$241 | Average$729 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$543 | Average$760 | FlexibilityNo cancel fee | On-time69% |