Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Ottawa to Washington, D.C. Dulles Intl Airport from $156

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, D.C. Dulles Intl Airport departing on 2/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted 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 Washington, D.C.

Cheap round-trip flights

These are some of the best round-trip flight deals from Ottawa to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Ottawa to Washington, D.C..

Cheap last minute flights

Planning a quick getaway from Ottawa to Washington, D.C.? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Washington, D.C., so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Ottawa to Washington, D.C.

Find recent round-trip train or bus tickets from Ottawa to Washington, D.C..

All round-trip flight deals to Washington, D.C.

The cheapest plane tickets to Washington, D.C. found on KAYAK recently.
9:30 am - 12:49 pmYOW-IAD
3h 19m1 stop
2:10 pm - 6:34 pmIAD-YOW
4h 24m1 stop
$259Porter Airlines
Find Deal
sex, fev 14 - seg, fev 17
7:00 am - 12:49 pmYOW-IAD
5h 49m1 stop
2:10 pm - 6:34 pmIAD-YOW
4h 24m1 stop
$265Porter Airlines
Find Deal
sex, fev 14 - ter, fev 18
7:30 pm - 9:23 pmYOW-IAD
1h 53mnonstop
5:47 pm - 10:01 pmIAD-YOW
4h 14m1 stop
$317United Airlines
Find Deal
sex, fev 21 - ter, fev 25
6:00 am - 11:41 amYOW-IAD
5h 41m1 stop
10:24 pm - 4:16 pmIAD-YOW
17h 52m2 stops
$332United Airlines
Find Deal
ter, jan 14 - ter, jan 14
7:30 pm - 9:23 pmYOW-IAD
1h 53mnonstop
10:15 pm - 11:54 pmIAD-YOW
1h 39mnonstop
$378Air Canada
Find Deal
sex, fev 14 - ter, fev 18
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
10:35 am - 3:12 pmIAD-YOW
4h 37m1 stop
$385Air Canada
Find Deal
sex, jan 17 - ter, jan 21
5:50 pm - 11:04 pmYOW-IAD
5h 14m1 stop
12:50 pm - 2:29 pmIAD-YOW
1h 39mnonstop
sáb, fev 15 - qua, fev 19
8:40 am - 12:49 pmYOW-IAD
4h 09m1 stop
6:00 am - 12:10 amIAD-YOW
18h 10m2 stops
sex, jan 10 - ter, jan 14
5:55 am - 11:40 pmYOW-IAD
17h 45m2 stops
6:00 am - 12:10 amIAD-YOW
18h 10m2 stops
$530WestJet
Find Deal
sex, jan 10 - ter, jan 14
5:55 am - 11:16 pmYOW-IAD
17h 21m2 stops
6:00 am - 5:33 amIAD-YOW
23h 33m3 stops
$549WestJet
Find Deal
sex, jan 10 - dom, jan 12
8:40 am - 12:49 pmYOW-IAD
4h 09m1 stop
$156Porter Airlines
Find Deal
sex, fev 14
8:40 am - 12:59 pmYOW-IAD
4h 19m1 stop
$182Porter Airlines
Find Deal
qua, mar 26
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
$219Air Canada
Find Deal
ter, jan 21
6:00 am - 11:41 amYOW-IAD
5h 41m1 stop
$224Air Canada
Find Deal
ter, jan 21
7:30 pm - 9:23 pmYOW-IAD
1h 53mnonstop
$237United Airlines
Find Deal
sex, fev 14
3:11 pm - 7:31 amYOW-IAD
16h 20m2 stops
$283United Airlines
Find Deal
ter, jan 21
6:20 am - 11:40 pmYOW-IAD
17h 20m3 stops
ter, jan 21
5:10 pm - 6:55 pmYOW-IAD
25h 45m2 stops
sex, fev 14
5:55 am - 3:35 pmYOW-IAD
9h 40m2 stops
$336WestJet
Find Deal
qui, mai 1
6:15 am - 11:19 pmYOW-IAD
17h 04m2 stops
$626WestJet
Find Deal
seg, dez 30
7:00 am - 12:59 pmYOW-IAD
5h 59m1 stop
7:00 am - 11:11 amIAD-YOW
4h 11m1 stop
$538Porter Airlines
Find Deal
seg, dez 23 - seg, dez 30
7:00 am - 12:59 pmYOW-IAD
5h 59m1 stop
7:00 am - 11:11 amIAD-YOW
4h 11m1 stop
$551Porter Airlines
Find Deal
qui, dez 26 - seg, dez 30
3:50 pm - 10:24 pmYOW-IAD
6h 34m1 stop
1:45 pm - 5:06 pmIAD-YOW
3h 21m1 stop
$587Porter Airlines
Find Deal
qua, dez 25 - qua, jan 1
9:45 am - 11:38 amYOW-IAD
1h 53mnonstop
5:37 pm - 10:01 pmIAD-YOW
4h 24m1 stop
$667United Airlines
Find Deal
qua, dez 25 - qua, jan 1
5:55 am - 3:35 pmYOW-IAD
9h 40m2 stops
7:00 am - 11:11 amIAD-YOW
4h 11m1 stop
qui, dez 26 - seg, dez 30
7:30 pm - 9:23 pmYOW-IAD
1h 53mnonstop
10:15 pm - 11:54 pmIAD-YOW
1h 39mnonstop
$317Air Canada
Find Deal
sex, fev 21 - ter, fev 25
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
12:49 pm - 2:29 pmIAD-YOW
1h 40mnonstop
$375Air Canada
Find Deal
sex, jan 17 - ter, jan 21
7:30 pm - 9:23 pmYOW-IAD
1h 53mnonstop
10:15 pm - 11:54 pmIAD-YOW
1h 39mnonstop
$378Air Canada
Find Deal
sex, fev 14 - ter, fev 18
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
12:49 pm - 2:29 pmIAD-YOW
1h 40mnonstop
$389Air Canada
Find Deal
sex, jan 17 - ter, jan 21
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
12:49 pm - 2:29 pmIAD-YOW
1h 40mnonstop
$401Air Canada
Find Deal
sex, jan 17 - ter, jan 21
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
12:49 pm - 2:29 pmIAD-YOW
1h 40mnonstop
$414Air Canada
Find Deal
sex, jan 17 - seg, jan 20
7:30 pm - 9:23 pmYOW-IAD
1h 53mnonstop
10:15 pm - 11:54 pmIAD-YOW
1h 39mnonstop
$451United Airlines
Find Deal
sex, fev 14 - seg, fev 17
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
12:49 pm - 2:29 pmIAD-YOW
1h 40mnonstop
$469United Airlines
Find Deal
sex, jan 17 - qui, jan 23
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
12:50 pm - 2:29 pmIAD-YOW
1h 39mnonstop
$483United Airlines
Find Deal
qua, jan 8 - ter, mar 11
9:45 am - 11:38 amYOW-IAD
1h 53mnonstop
5:08 pm - 6:54 pmIAD-YOW
1h 46mnonstop
qua, jan 8 - dom, jan 12

United Airlines flights from Ottawa to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Ottawa to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Feb 21
YOW7:30 pmOttawa
1h 53m
IAD9:23 pmWashington, D.C. Dulles Intl
Feb 25
IAD5:47 pmWashington, D.C. Dulles Intl
4h 14m
1 stop
YOW10:01 pmOttawa
United Airlines
Jan 14
YOW6:00 amOttawa
5h 41m
1 stop
IAD11:41 amWashington, D.C. Dulles Intl
Jan 14
IAD10:24 pmWashington, D.C. Dulles Intl
17h 52m
2 stops
YOW4:16 pmOttawa
United Airlines
Feb 15
YOW5:50 pmOttawa
5h 14m
1 stop
IAD11:04 pmWashington, D.C. Dulles Intl
Feb 18
IAD10:15 pmWashington, D.C. Dulles Intl
1h 39m
YOW11:54 pmOttawa

Porter Airlines flights from Ottawa to Washington, D.C. Dulles Intl Airport

Our best Porter Airlines deals on Ottawa to Washington, D.C. Dulles Intl Airport flight tickets
Porter Airlines
Feb 14
YOW9:30 amOttawa
3h 19m
1 stop
IAD12:49 pmWashington, D.C. Dulles Intl
Feb 17
IAD2:10 pmWashington, D.C. Dulles Intl
4h 24m
1 stop
YOW6:34 pmOttawa
Porter Airlines
Feb 14
YOW7:00 amOttawa
5h 49m
1 stop
IAD12:49 pmWashington, D.C. Dulles Intl
Feb 18
IAD2:10 pmWashington, D.C. Dulles Intl
4h 24m
1 stop
YOW6:34 pmOttawa
Porter Airlines
Feb 12
YOW7:00 amOttawa
5h 49m
1 stop
IAD12:49 pmWashington, D.C. Dulles Intl
Feb 17
IAD2:10 pmWashington, D.C. Dulles Intl
6h 24m
1 stop
YOW8:34 pmOttawa

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Ottawa to Washington, D.C. Dulles Intl Airport

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 Washington, D.C. Dulles Intl Airport?

In general, June is the cheapest month to fly from Ottawa to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $294. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of June, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $316.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $370. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Ottawa to Washington, D.C. Dulles Intl Airport for around $499.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Ottawa in the morning is the least expensive time of day to depart. momondo users have found prices as low as $385 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $405 on average. Flights to Washington, D.C. Dulles Intl Airport from Ottawa at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Ottawa to Washington, D.C. Dulles Intl flight route?

Fly from Ottawa to Washington, D.C. Dulles Intl for the best Ottawa - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

The ideal time to book your flight to Washington, D.C. Dulles Intl Airport is 29 days in advance when prices tend to average $370. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Ottawa for as low as $228 on momondo.

What cabin class options are available on Ottawa to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on Ottawa to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ottawa to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 14% on your flight if you consider stops on a Ottawa to Washington, D.C. Dulles Intl Airport flight.

How have Ottawa to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of December 2024, prices for Ottawa to Washington, D.C. Dulles Intl Airport flights are approximately 18% more expensive when compared to flights at the same time last year.

When to book flights from Ottawa to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ottawa to Washington, D.C. Dulles Intl Airport (YOW to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Washington, D.C. Dulles Intl Airport

Best Price Found

$156

Fastest flight time

1h 39m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun
The best one-way flight to Washington, D.C. Dulles Intl Airport from Ottawa in the past 72 hours is $156. The best round-trip flight deal from Ottawa to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $259.
The fastest flight from Ottawa to Washington, D.C. Dulles Intl Airport takes 1h 39m
Direct flights go from Ottawa to Washington, D.C. Dulles Intl Airport on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines and Air Canada.

  • How far is Ottawa to Washington, D.C. Dulles Intl by plane?

    The distance between Ottawa and Washington, D.C. Dulles Intl is about 455.4 mi. By plane, this route typically takes 1h 39m.

  • When did momondo last update prices for flights from Ottawa Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Ottawa Airport to Washington, D.C. Dulles Intl Airport are updated daily.

  • How many operators does momondo search for flights from Ottawa Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Ottawa Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ottawa Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents required for your trip to Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Ottawa to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from Ottawa to Washington, D.C. Dulles Intl Airport?


Best airlines flying from Ottawa to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Ottawa to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $240Free CancellationRating
7.4
9,028 reviews
Search United Airlines flights
Porter AirlinesPriceFrom $262Free CancellationRating
7.9
283 reviews
Search Porter Airlines flights
Air CanadaPriceFrom $277Free CancellationRating
7.0
8,413 reviews
Search Air Canada flights
  • United Airlines Flights From Ottawa to Washington, D.C. Dulles Intl Airport

    Across 14 United Airlines flights from Ottawa to Washington, D.C. Dulles Intl Airport this week, the average price was $467, with the best United Airlines deals starting from $240 round-trip. 9,035 users have rated United Airlines on momondo, with an average score of 7.4/10.

  • Air Canada Flights From Ottawa to Washington, D.C. Dulles Intl Airport

    Air Canada (7.0/10 from 8,413 reviews) operates around 14 flights from Ottawa to Washington, D.C. Dulles Intl Airport in any given week. The average Air Canada airfare for this route is around $385, with deals from around $277 rare but found on momondo. Referenced prices are for round-trip Ottawa to Washington, D.C. Dulles Intl Airport flight searches in the last 72 hours.


Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to Washington, D.C.?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ottawa to Washington, D.C.. momondo saves you time and could save you money on your trip.

Can I find flights from Ottawa to Washington, D.C. with flexible booking policies on momondo?

All flight searches from Ottawa to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ottawa to Washington, D.C.?

Once all potential Ottawa to Washington, D.C. 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 Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Ottawa and alert you when they change.


An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
sex 12/27
sex 1/3
Email me momondo's favorite deals

Find better results for your trip to Washington, D.C.