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Cheap flights from Ottawa to Washington from $200

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 Washington departing on 9/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Air Canada Logo
9:25 am - 2:50 pmYOW-PDX
8h 25m1 stop
Air Canada Logo
6:15 am - 4:12 pmPDX-YOW
6h 57m1 stop
$289Air Canada
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Tue, Aug 26 - Tue, Sep 2
Air Canada Logo
9:25 am - 2:50 pmYOW-PDX
8h 25m1 stop
Air Canada Logo
6:15 am - 4:12 pmPDX-YOW
6h 57m1 stop
$290Air Canada
Find Deal
Tue, Aug 26 - Tue, Sep 2
WestJet Logo
3:45 pm - 8:29 pmYOW-SEA
7h 44m1 stop
WestJet Logo
1:50 pm - 12:40 amSEA-YOW
7h 50m1 stop
$295WestJet
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Wed, Sep 17 - Thu, Oct 23
Air Canada Logo
6:00 pm - 11:01 pmYOW-PDX
8h 01m1 stop
Air Canada Logo
7:40 pm - 8:23 amPDX-YOW
9h 43m1 stop
$307Air Canada
Find Deal
Wed, Aug 27 - Mon, Sep 1
United Airlines Logo
6:33 am - 11:49 amYOW-PDX
8h 16m1 stop
United Airlines Logo
4:06 pm - 9:11 amPDX-YOW
14h 05m2 stops
$313United Airlines
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Wed, Aug 20 - Tue, Aug 26
United Airlines Logo
10:37 am - 8:37 pmYOW-PDX
13h 00m2 stops
United Airlines Logo
10:51 am - 9:35 pmPDX-YOW
7h 44m1 stop
$314United Airlines
Find Deal
Tue, Aug 26 - Tue, Sep 2
WestJet Logo
3:45 pm - 8:29 pmYOW-SEA
7h 44m1 stop
WestJet Logo
8:40 am - 12:22 amSEA-YOW
12h 42m2 stops
$333WestJet
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Wed, Sep 24 - Wed, Oct 1
WestJet Logo
3:45 pm - 8:29 pmYOW-SEA
7h 44m1 stop
WestJet Logo
1:50 pm - 12:40 amSEA-YOW
7h 50m1 stop
$335WestJet
Find Deal
Wed, Sep 24 - Wed, Oct 1
Logo
12:20 pm - 8:28 pmYOW-SEA
11h 08m2 stops
Logo
1:15 pm - 1:03 pmSEA-YOW
20h 48m1 stop
$356
Find Deal
Wed, Aug 20 - Sun, Sep 7
Logo
6:10 am - 6:38 pmYOW-SEA
15h 28m2 stops
Logo
1:15 pm - 1:03 pmSEA-YOW
20h 48m1 stop
$358
Find Deal
Tue, Aug 19 - Sun, Sep 7

WestJet flights from Ottawa to State of Washington

Our best WestJet deals on Ottawa to State of Washington flight tickets
WestJet
Sep 17
YOW3:45 pmOttawa
7h 44m
1 stop
SEA8:29 pmSeattle/Tacoma Intl
Oct 23
SEA1:50 pmSeattle/Tacoma Intl
7h 50m
1 stop
YOW12:40 amOttawa
$295
Find similar
WestJet
Sep 24
YOW3:45 pmOttawa
7h 44m
1 stop
SEA8:29 pmSeattle/Tacoma Intl
Oct 1
SEA8:40 amSeattle/Tacoma Intl
12h 42m
2 stops
YOW12:22 amOttawa
$333
Find similar
WestJet
Sep 24
YOW3:45 pmOttawa
7h 44m
1 stop
SEA8:29 pmSeattle/Tacoma Intl
Oct 1
SEA1:50 pmSeattle/Tacoma Intl
7h 50m
1 stop
YOW12:40 amOttawa
$335
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Air Canada flights from Ottawa to State of Washington

Our best Air Canada deals on Ottawa to State of Washington flight tickets
Air Canada
Aug 26
YOW9:25 amOttawa
8h 25m
1 stop
PDX2:50 pmPortland
Sep 2
PDX6:15 amPortland
6h 57m
1 stop
YOW4:12 pmOttawa
$289
Find similar
Air Canada
Aug 26
YOW9:25 amOttawa
8h 25m
1 stop
PDX2:50 pmPortland
Sep 2
PDX6:15 amPortland
6h 57m
1 stop
YOW4:12 pmOttawa
$290
Find similar
Air Canada
Aug 27
YOW6:00 pmOttawa
8h 01m
1 stop
PDX11:01 pmPortland
Sep 1
PDX7:40 pmPortland
9h 43m
1 stop
YOW8:23 amOttawa
$307
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to State of Washington 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, momondo users made 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Ottawa to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Tue 8/26

9:25 am-2:50 pm

1 stop8h 25m

Portland

Tue 9/2

6:15 am-4:12 pm

1 stop6h 57m

$289

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Tue 8/26

9:25 am-2:50 pm

1 stop8h 25m

Portland

Tue 9/2

6:15 am-4:12 pm

1 stop6h 57m

$290

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Wed 9/17

3:45 pm-8:29 pm

1 stop7h 44m

Seattle/Tacoma Intl

Thu 10/23

1:50 pm-12:40 am

1 stop7h 50m

$295

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Wed 8/27

6:00 pm-11:01 pm

1 stop8h 01m

Portland

Mon 9/1

7:40 pm-8:23 am

1 stop9h 43m

$307

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Wed 8/20

6:33 am-11:49 am

1 stop8h 16m

Portland

Tue 8/26

4:06 pm-9:11 am

2 stops14h 05m

$313

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Tue 8/26

10:37 am-8:37 pm

2 stops13h 00m

Portland

Tue 9/2

10:51 am-9:35 pm

1 stop7h 44m

$314

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Wed 9/24

3:45 pm-8:29 pm

1 stop7h 44m

Seattle/Tacoma Intl

Wed 10/1

8:40 am-12:22 am

2 stops12h 42m

$333

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Wed 9/24

3:45 pm-8:29 pm

1 stop7h 44m

Seattle/Tacoma Intl

Wed 10/1

1:50 pm-12:40 am

1 stop7h 50m

$335

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Wed 8/20

12:20 pm-8:28 pm

2 stops11h 08m

Seattle/Tacoma Intl

Sun 9/7

1:15 pm-1:03 pm

1 stop20h 48m

$356

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Tue 8/19

6:10 am-6:38 pm

2 stops15h 28m

Seattle/Tacoma Intl

Sun 9/7

1:15 pm-1:03 pm

1 stop20h 48m

$358

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington from

How to get the cheapest flight ticket from Ottawa to State of Washington

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 State of Washington?

The month of August is, on average, the cheapest month to fly to State of Washington from Ottawa, with most prices found around $395. If you aren’t able to travel to State of Washington during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $402.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Ottawa to State of Washington is on a Saturday. Travelers who choose to depart for State of Washington on a Saturday will often find tickets for as low as $422. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Ottawa to State of Washington for around $577.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is in the evening when flights can be purchased for as low as $433. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $597 on average. Flights to State of Washington from Ottawa at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $429 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Ottawa for as low as $309 on momondo.

Can stopping save me money on Ottawa to State of Washington flights?

You could potentially save up to 7% on your flight if you consider stops on a Ottawa to State of Washington flight.

Cheap Ottawa to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to State of Washington

Best Price Found

$200

Fastest flight time

7h 16m

Direct flights

None

Airports in State of Washington

2 airports
The best one-way flight to State of Washington from Ottawa in the past 72 hours is $200. The best round-trip flight deal from Ottawa to State of Washington found on momondo in the last 72 hours is $289.
The fastest flight from Ottawa to State of Washington takes 7h 16m
There are no direct flights from Ottawa to State of Washington. Popular non-direct routes for this connection are Ottawa Airport - Seattle/Tacoma Intl Airport and Ottawa Airport - Portland Airport.
There are 2 airports near State of Washington: Portland (PDX), Seattle/Tacoma Intl (SEA)
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  • When did momondo last update prices for flights from Ottawa Airport to Washington?

    Prices for flights from Ottawa Airport to Washington were last updated today.

  • How many operators does momondo search for flights from Ottawa Airport to Washington?

  • How old do you have to be to fly from Ottawa Airport to Washington?

    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 Washington.

  • What documentation or ID do you need to fly to Washington?

    The necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Ottawa to State of Washington

Compare and see reviews for airlines that fly from Ottawa to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom $277Free CancellationRating
7.2
2,978 reviews
Search WestJet flights
United AirlinesPriceFrom $323Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
Air CanadaPriceFrom $328Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to Washington?

Finding the right flight to Washington from Ottawa is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington quick and easy, saving you time and money.

Can I find flights from Ottawa to Washington with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ottawa to Washington flights to just show those with flexible booking policies.

How can momondo help me find flights from Ottawa to Washington?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington from Ottawa.

I’m not ready to book a flight from Ottawa to Washington right now. Can momondo alert me if prices change?

Price alerts on flights to Washington from Ottawa are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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