Cheap flights from Dulles Intl (IAD) to Ontario from $93

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
IAD — YYZ
Jun 16 — Jun 231

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

Travelers have found it’s best to book a flight 57 days in advance to save up to 112% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 57 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington, D.C. Dulles Intl Airport to Region of Ontario 1-2 weeks in advance for as low as $371, or $557 for flights within the next 24 hours.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Region of Ontario?

The best pricing can be found in the month of February. Prices to Region of Ontario from Washington, D.C. Dulles Intl Airport average $296. You can even find prices in February for less than $296, as users have found deals to Region of Ontario from as low as $131. The month of July appears to be one of the more expensive times to travel to Region of Ontario from Washington, D.C. Dulles Intl Airport. Flying in the targeted month can save you up to 22%.

What is the cheapest time of day to fly from IAD to ON?

When flying from Washington, D.C. Dulles Intl Airport to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Dulles Intl to Ontario flights in June & July 2024

Find cheap flight options from Dulles Intl to Ontario specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,020,828 searches. Prices were last updated on June 11, 2024.
Scroll through some of the best deals on flights from Washington, D.C. to Ontario in 2024. Check back regularly for other flight deals.
Wed 7/31:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Wed 7/172:25 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 6/11$221
Mon 7/295:20 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Tue 7/302:25 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 6/10$224
Wed 7/245:20 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Sun 8/410:40 amYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 6/10$226
Mon 7/291:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Tue 7/3010:10 amYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 6/10$227
Mon 6/245:20 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Tue 6/252:25 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 6/10$228
Tue 7/235:20 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Fri 8/910:10 amYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 6/10$229
Wed 7/245:20 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Wed 8/212:25 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 6/10$230
Mon 6/241:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Thu 6/2710:10 amYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 6/10$232
Sat 7/272:50 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Sat 8/311:55 amYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 6/10$233

Dulles Intl to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Dulles Intl and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,020,828 searches. Data last updated June 11, 2024.
Scroll through some of the best deals on flights from Washington, D.C. to Ontario in 2024. Check back regularly for other flight deals.
Wed 7/31:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Wed 7/172:25 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 6/11$221
Mon 7/295:20 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Tue 7/302:25 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 6/10$224
Wed 7/245:20 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Sun 8/410:40 amYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 6/10$226
Mon 7/291:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Tue 7/3010:10 amYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 6/10$227
Mon 6/245:20 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Tue 6/252:25 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 6/10$228
Tue 7/235:20 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Fri 8/910:10 amYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 6/10$229
Wed 7/245:20 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Wed 8/212:25 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 6/10$230
Mon 6/241:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Thu 6/2710:10 amYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 6/10$232
Sat 7/272:50 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Sat 8/311:55 amYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 6/10$233

Dulles Intl to Ontario flights leaving soon

Find last-minute flight options from Dulles Intl to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,020,828 searches. Data last updated June 11, 2024.
Have a look at some of the last-minute flights available departing from Washington, D.C. to Ontario. To prevent any unwanted surprises, users should verify their flight info before booking.
Mon 6/245:17 pmIAD - YYZ
Nonstop1h 44mAir Canada
Mon 7/16:15 amYYZ - IAD
Nonstop1h 33mAir Canada
Deal found 6/10$262
Mon 6/241:00 pmIAD - YUL
1 stop5h 00mPorter Airlines
Mon 7/110:45 amYUL - IAD
1 stop5h 17mPorter Airlines
Deal found 6/10$289
Mon 6/245:17 pmIAD - YYZ
Nonstop1h 44mAir Canada
Mon 7/18:10 amYYZ - IAD
1 stop8h 20mAir Canada
Deal found 6/10$296
Tue 6/181:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Tue 7/162:25 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 6/10$302
Mon 6/2410:15 pmIAD - YYZ
Nonstop1h 39mUnited Airlines
Wed 6/262:45 pmYYZ - IAD
Nonstop1h 33mUnited Airlines
Deal found 6/9$303
Mon 6/175:20 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Tue 6/252:25 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 6/10$313
Sun 6/238:19 amIAD - YUL
Nonstop1h 52mUnited Airlines
Thu 6/273:29 pmYUL - IAD
Nonstop1h 59mUnited Airlines
Deal found 6/9$316
Mon 6/245:17 pmIAD - YYZ
Nonstop1h 44mMultiple Airlines
Thu 6/278:00 amYYZ - IAD
1 stop7h 56mMultiple Airlines
Deal found 6/10$321
Sun 6/238:19 amIAD - YUL
Nonstop1h 52mMultiple Airlines
Thu 6/279:10 amYUL - IAD
1 stop6h 09mMultiple Airlines
Deal found 6/9$322

One-way flights to Ontario from Dulles Intl

Search for one-way flight options from Dulles Intl to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,020,828 searches. Data last updated June 11, 2024.
Take a look at some of the best available options we've come across on one-way flights from Washington, D.C. to Ontario. For those needing a return trip from Washington, D.C., there is a search form available above.
Tue 7/161:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 6/10$93
Sat 7/132:50 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 6/10$94
Tue 6/256:30 amIAD - YYZ
Nonstop1h 28mAir Canada
Deal found 6/10$94
Tue 6/251:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 6/10$95
Wed 8/211:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 6/10$97
Tue 7/169:55 amIAD - YTZ
1 stop4h 54mAir Canada
Deal found 6/10$99
Tue 7/169:55 amIAD - YYZ
1 stop4h 37mAir Canada
Deal found 6/10$99
Thu 7/115:20 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 6/10$100
Mon 6/245:20 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 6/10$101

Find flights from Dulles Intl to Ontario within your budget

Customize your flight search to find flights from Dulles Intl to Ontario 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 3,020,828 searches. Data last updated June 11, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$224 - $386

Route

Depart

Return

Price

Washington, D.C. Dulles IntlToronto Island

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Tue 6/25

Nonstop1h 30m

Toronto Island

Thu 6/27

Nonstop1h 27m

$224

Washington, D.C. Dulles IntlToronto Pearson Intl

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Thu 7/25

Nonstop1h 28m

Toronto Pearson Intl

Wed 8/21

Nonstop1h 34m

$237

Washington, D.C. Dulles IntlToronto Pearson Intl

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Thu 7/25

Nonstop0h 41m

Toronto Pearson Intl

Mon 7/29

Nonstop0h 41m

$257

Washington, D.C. Dulles IntlToronto Pearson Intl

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Tue 7/9

Nonstop1h 28m

Toronto Pearson Intl

Tue 7/16

Nonstop1h 33m

$268

Washington, D.C. Dulles IntlToronto Pearson Intl

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Fri 9/27

1 stop9h 27m

Toronto Pearson Intl

Sat 9/28

Nonstop1h 35m

$281

Washington, D.C. Dulles IntlToronto Pearson Intl

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Mon 7/22

1 stop5h 54m

Toronto Pearson Intl

Wed 8/21

1 stop3h 59m

$287

Washington, D.C. Dulles IntlToronto Pearson Intl

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Tue 7/9

1 stop6h 10m

Toronto Pearson Intl

Tue 7/16

1 stop5h 08m

$315

Washington, D.C. Dulles IntlOttawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Mon 6/24

1 stop5h 14m

Ottawa

Tue 7/2

1 stop4h 22m

$336

Washington, D.C. Dulles IntlToronto Pearson Intl

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Thu 6/27

1 stop23h 21m

Toronto Pearson Intl

Sun 6/30

1 stop26h 44m

$386

Flights are sorted by cheapest first

Deals found on 6/10

No data available for this route at this time. Please check back soon.

Best time to book a flight from Dulles Intl to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Dulles Intl with our price prediction graph.
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.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated June 11, 2024.
Peruse reviews from past customers who have flown with United Airlines, Air Canada and WestJet from Washington, D.C. to Ontario to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
10,277 reviews

Entertainment

8.0

Comfort

7.9

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

8.0
Very good
10,277 reviews
8.0
Very good
10,277 reviews

Entertainment

8.0

Comfort

7.9

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.7
Good
457 reviews
8.0
Very good
10,277 reviews

Entertainment

8.0

Comfort

7.9

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.5
Good
380 reviews
8.0
Very good
10,277 reviews

Entertainment

8.0

Comfort

7.9

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.5
Good
2,842 reviews
8.0
Very good
10,277 reviews

Entertainment

8.0

Comfort

7.9

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.4
Good
10,647 reviews
8.0
Very good
10,277 reviews

Entertainment

8.0

Comfort

7.9

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from Washington, D.C. Dulles Intl Airport to Region of Ontario for under $300 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to Region of Ontario for under $300. The cheapest flight booked recently is on Porter Airlines for just $224, but on average you can expect to pay $236.

  • Are there nonstop flights from Washington, D.C. Dulles Intl Airport to Region of Ontario for under $300 on Cheapflights?

    Cheapflights has at least 20 direct flights from Washington, D.C. Dulles Intl Airport to Region of Ontario under $300. A good price for a nonstop flight from Washington, D.C. Dulles Intl Airport to Region of Ontario is less than $236.

  • Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Region of Ontario for under $300?

    There are currently 20+ open flights from Washington, D.C. Dulles Intl Airport to Region of Ontario within the next 7 days for less than $300.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Region of Ontario?

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Region of Ontario?

    No one likes to see their flight delayed. When booking a flight from Washington, D.C. Dulles Intl Airport to Region of Ontario consider choosing Scandinavian Airlines (100%), Jazz (90%) or Air Canada (88%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Region of Ontario?

    On average you can expect to pay $828 for a flight from Washington, D.C. Dulles Intl Airport to Region of Ontario. The cheapest flight overall is $113 while the most popular route, (Washington, D.C. Dulles Intl - Toronto Pearson Intl) is currently priced at $237.

  • What does IAD to YYZ mean?

    Great question - IAD to YYZ just means Washington, D.C. Dulles Intl Airport to Toronto Pearson Intl Airport. Now you’ll know what these unique codes when you look for flights! Ready for more IATA code knowledge? These are related airports for your current travel destination: Ottawa Airport (YOW), Hamilton Airport (YHM), Toronto Island Airport (YTZ), Toronto Kitchener-Waterloo Airport (YKF), London Airport (YXU).

  • Can I find deals for flights from Dulles Intl to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Dulles Intl to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Dulles Intl to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Dulles Intl to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Dulles Intl to Ontario that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Ontario.

  • Can I find deals for business class flights from Dulles Intl to Ontario?

    Yes. Cheapflights offers flight deals from Dulles Intl to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Dulles Intl to Ontario that allow pets onboard?

    Many airlines flying from Dulles Intl to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Dulles Intl to Ontario?

    Yes, you can often find last-minute deals on Dulles Intl to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Washington, D.C. Dulles Intl Airport to Region of Ontario flight deals updated?

    The Washington, D.C. Dulles Intl Airport to Region of Ontario flight deals you see on this page were last updated on 6/11.

  • What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Region of Ontario?

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Region of Ontario (average of $237). Flying from Washington, D.C. Dulles Intl Airport to Region of Ontario in July is currently the most expensive (average of $387). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Dulles Intl to Ontario
See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Dulles Intl to Ontario

Discover the top 4 airlines that operate flights from Dulles Intl to Ontario. 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 3,020,828 searches. Data last updated June 11, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$112Average$440FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$122Average$426FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$124Average$354FlexibilityNo cancel feeOn-time52%
DeltaCheapest$283Average$352FlexibilityNo cancel feeOn-timeN/A

Search flights from Dulles Intl to Ontario by cabin class

Find flights from Dulles Intl to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Dulles Intl to Ontario

Find hourly flight availability from Dulles Intl to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 11, 2024.
8%of flight departuresEarly morningMidnight to 6 am
41%of flight departuresMorning6 am to noon
34%of flight departuresAfternoonNoon to 6 pm
17%of flight departuresEvening6 pm to midnight
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