Find Cheap Flights from Ottawa to Washington (YOW - WAS)

Search hundreds of travel sites at once for deals on flights to Washington

Fri 12/15
Fri 12/22
Any month
Compare vs. KAYAK |

Good to Know

Low Season:
March
Best time to beat the crowds
2%
expected price decrease
High Season:
May
Most popular time to fly
8%
expected price increase
Average Price:
$361
(avg. price over the last 2 weeks)
Good Deal:
$232
or less (round trip)

When to Book Flights from Ottawa to Washington

Average price per month
Flight prices as travel date approaches
-1 day
-2 days

Top tips for Finding a Cheap Flight

Looking for a cheap flight? 25% of our users found flights on this route for $232 or less.
The cheapest flight from Ottawa to Washington was found 63 days before departure, on average.
Book at least 4 weeks before departure in order to get a below-average price.
High season is considered to be April, May and June. The cheapest month to fly is March.
Morning departure is around 8% cheaper than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for Booking Ottawa to Washington Flights

How long does a flight from Ottawa to Washington take?
An average nonstop flight takes 1h 38m, covering a distance of 449 miles.
How many flights are there between Ottawa and Washington?
There are 133 (nonstop) flights between Ottawa and Washington per week, averaging 19 per day.
Which airlines provide the cheapest flights from Ottawa to Washington?
In the past 3 days, the cheapest round-trip tickets were found on Porter Airlines ($229), WestJet ($332) and Delta ($423).
Do I need a passport to fly between Ottawa and Washington?
Yes.
Which airlines fly most frequently between Ottawa and Washington?
Air Canada (9 times daily), United (9 times daily) are the most frequent flyers on this route.
What’s the cheapest day of the week to fly Ottawa to Washington?
For Ottawa to Washington, Monday is the cheapest day to fly on average and Friday is the most expensive. Flying from Washington back to Ottawa, the best deals are generally found on Sunday, with Thursday being the most expensive.

Book cheap flights from Ottawa to Washington (round-trip)

Airports
Origin
Ottawa
$229
only
$229
Destination
Washington
$229
only
$229
$332
only
$332
Mon, Jan 8
YOW
IAD
3h 15m
Fri, Jan 12
IAD
YOW
3h 23m
Trip: 5 days
7.9GoodShow reviews
Overall 7.9 Good
Based on 1728 reviews
Boarding
8.0
Comfort
8.0
Crew
8.4
Entertainment
7.0
Food
7.9
IAD
YTZ
Excellent 8.0

Fast check in and customs lines in both airports

The chips are pretty bland. I appreciate the free refreshments, but would like a bit of choice

YTZ
EWR
Excellent 10.0

as above

YTZ
YQB
Excellent 9.3

This was my first time flying Porter. The flight was a reasonable price, the service was great. The aircraft was a little on the smaller side but still spacious enough for comfortable travel.

YOW
YTZ
Excellent 10.0

On time. Provided snacks and drinks even on a short flight. Group lobby prior to boarding provided coffee, tea, snacks, water for free.

MDW
YTZ
Excellent 10.0

The earlier flight departure times are really good, the traffic is not jammed yet on the 401 and GEW. Custom waiting times are basically non existing in comparison to Pearson. Planes are relatively on time (only flew 4 times with Porte), staff is friendly. The turboprop planes have more legroom than most others. I do like them, and do recommend Porter.

Mon, Mar 19
YOW
DCA
7h 17m
Fri, Mar 23
DCA
YOW
8h 12m
Trip: 5 days
7.9GoodShow reviews
Overall 7.9 Good
Based on 4017 reviews
Overall
8.2
Boarding
8.3
Comfort
8.0
Crew
8.6
Entertainment
7.2
Food
7.3
PVR
YYC
Excellent 8.0

suitcase was busted up on the bottom totally missing 1 wheel

KIN
YYZ
Good 6.4

Delayed flight and disorganized boarding in Kingston made it a bit frustrating.

YQQ
PVR
Good 6.0

ran out of food only had 10 tablets to offer customers on a packed plane

YYZ
LGW
Excellent 10.0

I was traveling with my 11 month old daughter and everyone went out of their way to assist us and I didn't feel like a burden to them. When she was sleeping on my lap during the flight they even brought me my meal in portions so I didn't have a huge tray to balance over my baby.

Everything was great

YUL
MCO
Excellent 10.0

Fantastic flight!

Thu, May 17
YOW
DCA
5h 33m
Mon, May 21
DCA
YOW
5h 20m
Trip: 5 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 14235 reviews
Overall
8.0
Boarding
8.1
Comfort
7.7
Crew
8.4
Entertainment
7.5
Food
7.3
JFK
YYZ
Excellent 10.0

The staff is very friendly. Most pleasant airline I've flown with.

MSP
YXE
Excellent 9.3

I was traveling for medical reasons and the Delta crew took great care of me, made sure I was at my connecting gate on time, and even put me in a better seat on the plane. Not sure if that was a coincidental upgrade, or intentional, but it was perfect.

ATL
ABE
Okay 4.0

Long wait for de-Icing. Got on and off the plane 3 times. First wait was 1 hour, but plane aborted takeoff. Second plane waited at gate with all aboard for 2-1/2 hours and never got slot and de-planed. Third plane waited 1-1/2 hours for de-Icing and finally we were headed home. Arrived 8.5 hours after schedule.

DEN
ATL
Excellent 8.6

On two of the legs of the trip they notice I was a tall person with long legs and upgraded me to seats with more leg room!! I didn't even ask. Thank you.

On the way back there were open seats with extra leg room and I asked the gate attendant if it was possible to switch my seat to one with more room and they said they only could if I paid extra.

SEA
LAX
Okay 5.3

Mu seat!

My baggage took for to long to arrive

Thu, Dec 28
YOW
IAD
1h 38m
Tue, Jan 2
IAD
YOW
1h 28m
Trip: 6 days
5.9OkayShow reviews
Overall 5.9 Okay
Based on 12 reviews
Overall
7.2
Boarding
7.4
Comfort
6.9
Crew
7.7
Entertainment
6.5
Food
6.4
LAX
EWR
Good 7.6

I had the row to myself. Smooth flight. On time. Actually we got there early.

My arm rest would not stay up. Flight attendant almost seemed rude. Might have been just her tone. She seemed annoyed. I could be wrong.

PUJ
EWR
Good 7.3

The flight was very hot and uncomfortable

FLL
ORD
Excellent 8.0

no aisle seat

LAX
NRT
Good 7.3

Good price

Stink in the plane

RSW
EWR
Okay 5.3

Boarding quickly

No PED was available didn’t have anything for entertainment if you weren’t buying it seems every thing available for 3 hour flight and flight was scheduled for 2 hours and 55 minutes No snacks made available came thru once had a small bag of pretzels cup of coffee and never came back

Tue, Feb 6
YOW
IAD
3h 25m
Thu, Feb 8
IAD
YOW
3h 23m
Trip: 3 days
7.9GoodShow reviews
Overall 7.9 Good
Based on 1728 reviews
Boarding
8.0
Comfort
8.0
Crew
8.4
Entertainment
7.0
Food
7.9
YQG
YTZ
Excellent 8.0

Courteous, professional, friendly crew. Great service.

N/A

YTZ
EWR
Good 6.0

The flight attendants were very nice and helpful

The flight was delayed

YTZ
YQB
Excellent 9.3

This was my first time flying Porter. The flight was a reasonable price, the service was great. The aircraft was a little on the smaller side but still spacious enough for comfortable travel.

IAD
YTZ
Excellent 8.0

Fast check in and customs lines in both airports

The chips are pretty bland. I appreciate the free refreshments, but would like a bit of choice

YUL
YTZ
Okay 5.6

The service was great and fast

Both of my Porter Airlines flights were delayed. It seems they often delay / cancel flights

Tue, Mar 20
YOW
IAD
4h 30m
Sun, Mar 25
IAD
YOW
3h 38m
Trip: 6 days
7.9GoodShow reviews
Overall 7.9 Good
Based on 1728 reviews
Boarding
8.0
Comfort
8.0
Crew
8.4
Entertainment
7.0
Food
7.9
YTZ
BOS
Excellent 10.0

Great service. Efficient.

YOW
YTZ
Excellent 10.0

On time. Provided snacks and drinks even on a short flight. Group lobby prior to boarding provided coffee, tea, snacks, water for free.

YQG
YTZ
Excellent 8.0

Courteous, professional, friendly crew. Great service.

N/A

YUL
YTZ
Okay 5.6

The service was great and fast

Both of my Porter Airlines flights were delayed. It seems they often delay / cancel flights

IAD
YTZ
Excellent 8.0

Fast check in and customs lines in both airports

The chips are pretty bland. I appreciate the free refreshments, but would like a bit of choice

Wed, Dec 20
YOW
DCA
7h 03m
Fri, Jan 5
DCA
YOW
9h 08m
Trip: 17 days
Overall 0.0 Poor
Based on 0 reviews
Sun, Dec 24
YOW
IAD
5h 15m
Wed, Dec 27
IAD
YOW
3h 33m
Trip: 4 days
7.9GoodShow reviews
Overall 7.9 Good
Based on 1728 reviews
Boarding
8.0
Comfort
8.0
Crew
8.4
Entertainment
7.0
Food
7.9
YUL
YTZ
Okay 5.6

The service was great and fast

Both of my Porter Airlines flights were delayed. It seems they often delay / cancel flights

YTZ
BOS
Excellent 10.0

Great service. Efficient.

YTZ
IAD
Excellent 10.0

Smaller gate lounge area with lots of private space and complimentary drinks and snack. All Porter employees that I had interaction were professional and attentive to my needs

No suggestion

YQG
YTZ
Excellent 8.0

Courteous, professional, friendly crew. Great service.

N/A

YTZ
YQB
Excellent 9.3

This was my first time flying Porter. The flight was a reasonable price, the service was great. The aircraft was a little on the smaller side but still spacious enough for comfortable travel.

Fri, Dec 15
YOW
DCA
7h 50m
Sat, Dec 16
DCA
YOW
4h 32m
Trip: 2 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 14235 reviews
Overall
8.0
Boarding
8.1
Comfort
7.7
Crew
8.4
Entertainment
7.5
Food
7.3
ATL
DFW
Excellent 10.0

My entire flight experience was delightful. Was dry impressed with the staff both at Hartsfield-Jackson and DFW...and our flight crew was positively sublime.

BWI
JFK
Mediocre 3.6

There was a change in our flight. According to Delta you didn't confirm every leg of our flight and the plane was over booked.

SYR
MSP
Excellent 8.0

WiFi and free tv shows

My seat wouldn’t recline

MSP
YXE
Excellent 9.3

I was traveling for medical reasons and the Delta crew took great care of me, made sure I was at my connecting gate on time, and even put me in a better seat on the plane. Not sure if that was a coincidental upgrade, or intentional, but it was perfect.

JFK
YYZ
Excellent 10.0

The staff is very friendly. Most pleasant airline I've flown with.

Show more results
*
Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an and someone from our team will get back to you promptly.

^
The fares displayed include all taxes and fees for economy class travel and were found by the provider in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.