Cheap flights from Dulles Intl (IAD) to Ontario from $107

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 7/9. 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 2 — Jun 91

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%.

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to Region of Ontario (IAD - 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 Delta flights from Dulles Intl to Ontario

Explore cheap flight options specifically provided by Delta for the route between Dulles Intl and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Peruse some of the lowest-priced Delta flights we've found from Washington, D.C. to Ontario. Deals update often to give you more flight options matching your criteria
Tue 7/95:22 pmIAD - YYZ
1 stop5h 31mDelta
Thu 7/115:58 pmYYZ - IAD
1 stop5h 05mDelta
Deal found 5/28$298
Tue 6/1110:05 amIAD - YYZ
1 stop7h 03mDelta
Thu 7/46:05 amYYZ - IAD
1 stop6h 40mDelta
Deal found 5/28$313
Tue 6/1110:05 amIAD - YYZ
1 stop7h 03mDelta
Mon 7/15:58 pmYYZ - IAD
1 stop5h 01mDelta
Deal found 5/28$324
Mon 7/155:22 pmIAD - YYZ
1 stop5h 31mDelta
Tue 7/2312:30 pmYYZ - IAD
1 stop4h 08mDelta
Deal found 5/28$325
Tue 7/25:00 pmIAD - YYZ
1 stop6h 02mDelta
Sat 7/66:05 amYYZ - IAD
1 stop6h 40mDelta
Deal found 5/28$335
Mon 6/34:57 pmIAD - YYZ
1 stop6h 02mDelta
Fri 6/712:30 pmYYZ - IAD
1 stop3h 57mDelta
Deal found 5/28$500
Sun 6/26:00 amIAD - YYZ
1 stop5h 29mDelta
Tue 6/46:04 amYYZ - IAD
1 stop5h 39mDelta
Deal found 5/27$598

Cheap Air Canada flights from Dulles Intl to Ontario

Explore cheap flight options specifically provided by Air Canada for the route between Dulles Intl and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Have a look at some of the cheapest available Air Canada flights departing from Washington, D.C. and landing in Ontario. Check back soon if you're not seeing flights that suit your needs.
Wed 6/266:30 amIAD - YYZ
Nonstop1h 28mAir Canada
Wed 7/246:15 amYYZ - IAD
Nonstop1h 33mAir Canada
Deal found 5/26$258
Tue 7/98:24 amIAD - YYZ
Nonstop1h 40mAir Canada
Wed 7/101:45 pmYYZ - IAD
Nonstop1h 34mAir Canada
Deal found 5/27$273
Tue 9/106:30 amIAD - YYZ
Nonstop1h 23mAir Canada
Fri 9/206:45 pmYYZ - IAD
Nonstop1h 33mAir Canada
Deal found 5/27$278
Wed 6/126:30 amIAD - YYZ
Nonstop1h 30mAir Canada
Wed 6/191:45 pmYYZ - IAD
Nonstop1h 34mAir Canada
Deal found 5/28$279
Wed 6/126:30 amIAD - YYZ
Nonstop1h 30mAir Canada
Tue 6/187:00 amYYZ - IAD
1 stop4h 26mAir Canada
Deal found 5/27$283
Sun 7/146:30 amIAD - YYZ
Nonstop1h 28mAir Canada
Thu 8/16:45 pmYYZ - IAD
Nonstop1h 34mAir Canada
Deal found 5/27$284
Sat 6/1510:15 pmIAD - YYZ
Nonstop1h 39mAir Canada
Tue 6/186:15 amYYZ - IAD
Nonstop1h 33mAir Canada
Deal found 5/27$288
Wed 6/196:30 amIAD - YYZ
Nonstop1h 28mAir Canada
Tue 6/257:43 pmYYZ - IAD
Nonstop1h 33mAir Canada
Deal found 5/28$294
Sun 6/306:30 amIAD - YYZ
Nonstop1h 28mAir Canada
Fri 7/510:00 amYYZ - IAD
Nonstop1h 33mAir Canada
Deal found 5/28$295

Cheap Dulles Intl to Ontario flights in May & June 2024

Find cheap flight options from Dulles Intl to Ontario specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,740,132 searches. Prices were last updated on May 28, 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 6/265:20 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Wed 7/310:10 amYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$229
Tue 6/255:20 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Tue 7/22:25 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$237
Wed 6/195:20 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Thu 6/202:35 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$241
Sat 6/222:50 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Wed 6/262:25 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$243
Tue 6/181:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Fri 6/212:35 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$245
Tue 6/181:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Wed 6/2610:10 amYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/28$246
Sat 6/152:50 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Wed 6/1910:10 amYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$247
Thu 6/131:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Sun 6/1610:40 amYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$249
Fri 6/285:20 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Mon 7/110:10 amYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$251

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 2,740,132 searches. Data last updated May 28, 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.
Tue 9/105:20 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Tue 9/172:25 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$229
Tue 7/91:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Tue 7/1610:10 amYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/28$230
Tue 7/91:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Tue 7/1610:10 amYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$233
Tue 7/161:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Thu 7/252:35 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$237
Tue 7/21:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Fri 7/52:35 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$238
Fri 7/121:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Tue 7/232:25 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$239
Wed 7/31:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Fri 7/52:35 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$240
Wed 9/111:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Sat 9/1411:55 amYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$241
Sat 6/222:50 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Wed 6/262:25 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$243

Non-stop flights to Ontario from Dulles Intl

Discover non-stop flight options from Dulles Intl to Ontario. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
If you're seeking options on non-stop flights from Washington, D.C. to Ontario, check out these fares. Those looking to potentially save on 1 or 2-stop flights from Washington, D.C. to Ontario should utilize the search form at the the top of the page.
Tue 9/105:20 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Tue 9/172:25 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$229
Tue 7/91:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Tue 7/1610:10 amYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/28$230
Tue 7/91:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Tue 7/1610:10 amYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$233
Tue 7/161:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Thu 7/252:35 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$237
Tue 7/21:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Fri 7/52:35 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$238
Fri 7/121:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Tue 7/232:25 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$239
Wed 7/31:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Fri 7/52:35 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$240
Wed 9/111:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Sat 9/1411:55 amYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$241
Sat 6/222:50 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Wed 6/262:25 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$243

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 2,740,132 searches. Data last updated May 28, 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.
Tue 6/41:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Tue 6/112:25 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/28$329
Fri 6/75:20 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Mon 6/102:35 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$331
Fri 6/71:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Wed 6/1210:10 amYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$335
Sun 6/21:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Sun 6/910:40 amYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/26$338
Thu 6/61:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Mon 6/102:35 pmYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$340
Wed 6/51:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Wed 6/1210:10 amYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$353
Mon 6/31:00 pmIAD - YUL
1 stop5h 00mPorter Airlines
Fri 6/1410:45 amYUL - IAD
1 stop5h 17mPorter Airlines
Deal found 5/27$355
Tue 6/45:20 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Wed 6/1910:10 amYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$357
Mon 6/31:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Mon 6/1010:10 amYTZ - IAD
Nonstop1h 27mPorter Airlines
Deal found 5/27$358

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 2,740,132 searches. Data last updated May 28, 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 7/95:22 pmIAD - YYZ
1 stop5h 31mDelta
Deal found 5/28$107
Tue 10/812:42 pmIAD - YYZ
Nonstop1h 33mAir Canada
Deal found 5/28$109
Tue 6/2510:15 pmIAD - YYZ
Nonstop1h 39mUnited Airlines
Deal found 5/27$112
Tue 6/114:00 pmIAD - YYZ
Nonstop1h 30mAir Canada
Deal found 5/27$118
Thu 9/268:27 amIAD - YYZ
Nonstop1h 37mAir Canada
Deal found 5/27$120
Tue 6/186:30 amIAD - YYZ
Nonstop1h 28mAir Canada
Deal found 5/27$122
Mon 7/11:00 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 5/27$123
Tue 8/279:55 amIAD - YYZ
1 stop5h 57mAir Canada
Deal found 5/27$123
Sat 6/1510:15 pmIAD - YYZ
Nonstop1h 39mAir Canada
Deal found 5/27$127

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 2,740,132 searches. Data last updated May 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$229 - $390

Route

Depart

Return

Price

Washington, D.C. Dulles IntlToronto Island

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Tue 9/10

Nonstop1h 30m

Toronto Island

Tue 9/17

Nonstop1h 27m

$229

Washington, D.C. Dulles IntlToronto Island

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Tue 7/9

Nonstop1h 30m

Toronto Island

Tue 7/16

Nonstop1h 27m

$233

Washington, D.C. Dulles IntlToronto Island

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Tue 7/16

Nonstop1h 30m

Toronto Island

Thu 7/25

Nonstop1h 27m

$237

Washington, D.C. Dulles IntlToronto Pearson Intl

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 6/26

Nonstop1h 28m

Toronto Pearson Intl

Wed 7/24

Nonstop1h 33m

$258

Washington, D.C. Dulles IntlToronto Pearson Intl

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sat 9/7

1 stop9h 27m

Toronto Pearson Intl

Sun 9/8

Nonstop1h 35m

$281

Washington, D.C. Dulles IntlToronto Pearson Intl

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Tue 7/9

1 stop5h 31m

Toronto Pearson Intl

Thu 7/11

1 stop5h 05m

$298

Washington, D.C. Dulles IntlToronto Pearson Intl

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Mon 6/10

Nonstop1h 30m

Toronto Pearson Intl

Mon 6/17

1 stop4h 34m

$314

Washington, D.C. Dulles IntlToronto Pearson Intl

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Fri 9/13

1 stop9h 20m

Toronto Pearson Intl

Wed 9/18

1 stop6h 13m

$317

Washington, D.C. Dulles IntlToronto Pearson Intl

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sat 6/15

1 stop27h 42m

Toronto Pearson Intl

Tue 6/18

1 stop14h 06m

$390

Flights are sorted by cheapest first

Deals found on 5/27

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 May 28, 2024.
Peruse reviews from past customers who have flown with Delta, Air Canada and United Airlines 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
10,476 reviews

Comfort

7.9

Overall

8.0

Food

7.4

Boarding

8.2

Crew

8.6

Entertainment

8.0

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
10,476 reviews
8.0
Very good
10,476 reviews

Comfort

7.9

Overall

8.0

Food

7.4

Boarding

8.2

Crew

8.6

Entertainment

8.0

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
2,871 reviews
8.0
Very good
10,476 reviews

Comfort

7.9

Overall

8.0

Food

7.4

Boarding

8.2

Crew

8.6

Entertainment

8.0

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
3,661 reviews
8.0
Very good
10,476 reviews

Comfort

7.9

Overall

8.0

Food

7.4

Boarding

8.2

Crew

8.6

Entertainment

8.0

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
395 reviews
8.0
Very good
10,476 reviews

Comfort

7.9

Overall

8.0

Food

7.4

Boarding

8.2

Crew

8.6

Entertainment

8.0

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
10,799 reviews
8.0
Very good
10,476 reviews

Comfort

7.9

Overall

8.0

Food

7.4

Boarding

8.2

Crew

8.6

Entertainment

8.0

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 $229, but on average you can expect to pay $245.

  • 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 $244.

  • Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Region of Ontario for under $400?

    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 $400.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Region of Ontario one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $107. However, be on the lookout for offers from Air Canada and United Airlines, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to Region of Ontario for a low price.

  • 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%), ANA (90%) or Jazz (90%) 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 $2,039 for a flight from Washington, D.C. Dulles Intl Airport to Region of Ontario. The cheapest flight overall is $117 while the most popular route, (Washington, D.C. Dulles Intl - Montreal Pierre Elliott Trudeau Intl) is currently priced at $272.

  • 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), Toronto Island Airport (YTZ), Hamilton Airport (YHM), 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 5/28.

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

  • When is the best time 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 $391). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 2,740,132 searches. Data last updated May 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$112Average$441FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$122Average$431FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Porter AirlinesCheapest$123Average$357FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
DeltaCheapest$283Average$352FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

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 May 28, 2024.
6%of flight departuresEarly morningMidnight to 6 am
35%of flight departuresMorning6 am to noon
46%of flight departuresAfternoonNoon to 6 pm
13%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Dulles Intl to Ontario?

When you search for this flight from Dulles Intl to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Ontario?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Dulles Intl to Ontario.

Can Cheapflights find flights from Dulles Intl to Ontario with no change fees?

Certainly. Search results for flights to Ontario from Dulles Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Dulles Intl to Ontario become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.