YOW - PWM

$300 Find Cheap Flights from Ottawa to Portland - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$581
Typical prices: $484-$663
United Airlines
Wed 10/17Sun 10/21
YOW - PWM • 1 stop
Cheapest one-way
$300
Typical prices: $242-$373
Multiple Airlines
Wed 10/10
YOW - PWM • 2 stops
When to travel
April
Cheapest • 26% price drop
February
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Newark (EWR)
Cheapest • Avg $571 (round-trip)
Washington, D.C. Dulles Intl (IAD)
Shortest trip • 4h 50m (one-way)
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Cheap Flights from Ottawa to Portland (YOW-PWM)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ottawa to Portland

Sat, Oct 17 - Wed, Oct 21
United Airlines Logo
7:30 pm - 11:59 pmYOW  Ottawa-PWM Portland
4h 29m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
7:25 pm - 11:54 pmPWM  Portland-YOW Ottawa
4h 29m1 stop Washington, D.C. Dulles Intl
$581United Airlines
Sat, Oct 17 - Wed, Oct 21
United Airlines Logo
7:30 pm - 11:59 pmYOW  Ottawa-PWM Portland
4h 29m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
7:25 pm - 11:54 pmPWM  Portland-YOW Ottawa
4h 29m1 stop Washington, D.C. Dulles Intl
$582United Airlines
Sat, Oct 17 - Wed, Oct 21
United Airlines Logo
7:30 pm - 11:59 pmYOW  Ottawa-PWM Portland
4h 29m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
7:25 pm - 11:54 pmPWM  Portland-YOW Ottawa
4h 29m1 stop Washington, D.C. Dulles Intl
$583United Airlines
Sat, Oct 24 - Sat, Oct 31
United Airlines Logo
2:52 pm - 11:59 pmYOW  Ottawa-PWM Portland
9h 07m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
8:31 am - 9:16 pmPWM  Portland-YOW Ottawa
12h 45m1 stop Chicago O'Hare Intl
$583United Airlines
Sat, Oct 17 - Wed, Oct 21
United Airlines Logo
7:30 pm - 11:59 pmYOW  Ottawa-PWM Portland
4h 29m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
7:25 pm - 11:54 pmPWM  Portland-YOW Ottawa
4h 29m1 stop Washington, D.C. Dulles Intl
$584United Airlines
Sat, Oct 17 - Wed, Oct 21
Air Canada Logo
2:35 pm - 11:28 pmYOW  Ottawa-PWM Portland
8h 53m2 stops Montreal Pierre Elliott Trudeau Intl Newark
Air Canada Logo
6:00 am - 4:38 pmPWM  Portland-YOW Ottawa
10h 38m1 stop Newark
$585Air Canada
Sat, Oct 17 - Wed, Oct 21
Air Canada Logo
2:35 pm - 11:28 pmYOW  Ottawa-PWM Portland
8h 53m2 stops Montreal Pierre Elliott Trudeau Intl Newark
Air Canada Logo
6:00 am - 4:38 pmPWM  Portland-YOW Ottawa
10h 38m1 stop Newark
$587Air Canada
Booking Insights

Price, demand and travel trends for Ottawa to Portland flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Ottawa to Portland with more confidence.

How much is a round-trip flight from Ottawa to Portland?

Round-trip flights from Ottawa to Portland start at $581. Prices are typical for this route right now, with typical round-trip fares ranging from $484 to $663. The lowest price found in the past 5 days was $581 on United Airlines.

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Key details for Ottawa to Portland flights

Low season

August

Cheapest flight

$300
Most popular time to fly and prices are also 22% lower on average.
Flight from Ottawa to Portland

When to book flights from Ottawa to Portland

Are your dates flexible? Find out the best times to travel from Ottawa to Portland based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Ottawa to Portland flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Ottawa to Portland?

    Flights from Ottawa to Portland usually depart from Ottawa (YOW) and arrive at Portland (PWM).

  • Which airports do connecting flights from Ottawa to Portland pass through?

    Connecting flights from Ottawa to Portland most commonly pass through:

    • Washington, D.C. Dulles Intl (IAD) - 76% of one-stop connections
    • Newark (EWR) - 24% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Ottawa to Portland?

    Yes. Being flexible with your travel dates can save you up to 26% on the Ottawa to Portland route. Thursday is the cheapest departure day at $548 round-trip on average, while Tuesday is the most expensive at $731, a difference of $183. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How long is a flight from Ottawa to Portland?

    There are currently no nonstop flights available from Ottawa to Portland. Flights with 1 layover take between 4h 50m and 6h 02m in total, depending on the connection.

  • Do I need a passport to fly from Ottawa to Portland?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Ottawa to Portland changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $581 to $1,588. That means the highest observed fare was about 3x higher than the lowest one.

  • How are flight prices from Ottawa to Portland looking right now?

    One-way fares from Ottawa to Portland are currently higher than usual. Average one-way flight prices are about $367, which is 21% above the typical average for this route.

  • How much time can I save by choosing a different layover airport from Ottawa to Portland?

    Flying via Washington, D.C. Dulles Intl (IAD) gives the shortest average 1-stop total travel time at 4h 50m, compared with 6h 02m via Newark (EWR).

  • What car rental options are available at Portland Airport (PWM)?

    Portland Airport (PWM) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:
    • Dollar
    • Budget
    • Alamo
    • Hertz
    • Movly

  • How much should I expect to pay for a Ottawa to Portland flight?

    Round-trip flights from Ottawa to Portland range from $484 to $663, with an average of $620 over the past 12 months. Anything below $484 counts as a good deal.

Your guide to booking Ottawa to Portland flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Thursday departure instead of Tuesday. On this route, Thursday flights average $548 - about $183 less than Tuesday (25% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Ottawa to Portland trip for April. Fares historically average $460 round-trip in that month - typically $309 less than the most expensive month, which is January (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Portland Airport.
    - Clarion Hotel Portland Airport Me
    - La Quinta Inn & Suites by Wyndham Portland DT/Maine Med
    - DoubleTree by Hilton Portland

More options for your flight from Ottawa to Portland

Complete your trip to Portland with a hotel stay or car rental

Car rentals in Portland
Hotels in Portland
Vacations in Portland