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Cheap flights from Ontario (ONT) to District of Columbia from $69

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 6/18. 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.
ONT — IAD
Jun 15 — Jun 221
From?
To?
Sat 6/15
Sat 6/22
1 adult, Economy
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How far in advance should I book a flight from Ontario to District of Columbia?

Find a great deal and save up to 61% by booking at least 29 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ontario to District of Columbia within the next two weeks, with the cheapest ticket starting at $376.

What is the cheapest month to fly from Ontario to District of Columbia?

Our data shows that September tends to be the cheapest month to fly to District of Columbia from Ontario. Users have commonly found prices around $357 for the month, but tickets can be as low as $109. Due to multiple factors, prepare for potentially higher prices in June.

What is the cheapest time of day to fly from ONT to DC?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to District of Columbia as you normally would.

Cheap Ontario to District of Columbia flights in June & July 2024

Find cheap flight options from Ontario to District of Columbia specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,080,152 searches. Prices were last updated on June 10, 2024.
These are some of the best deals we've found on flights to District of Columbia in 2024 at this time. For more flight deals, be sure to check back very soon.
Tue 7/1612:59 amONT - DCA
1 stop8h 10mFrontier
Tue 7/306:59 pmDCA - ONT
1 stop8h 00mFrontier
Deal found 6/10$154
Mon 7/112:59 amONT - DCA
1 stop8h 06mFrontier
Tue 7/166:59 pmDCA - ONT
1 stop8h 00mFrontier
Deal found 6/10$155
Mon 7/112:59 amONT - DCA
1 stop8h 06mFrontier
Tue 7/97:00 amDCA - ONT
1 stop27h 17mFrontier
Deal found 6/9$156
Mon 7/2212:49 amONT - DCA
1 stop8h 20mFrontier
Tue 7/306:59 pmDCA - ONT
1 stop8h 00mFrontier
Deal found 6/10$158
Tue 7/912:59 amONT - DCA
1 stop8h 10mFrontier
Wed 7/177:00 amDCA - ONT
1 stop19h 39mFrontier
Deal found 6/10$159
Mon 7/812:49 amONT - DCA
1 stop8h 20mFrontier
Tue 7/166:59 pmDCA - ONT
1 stop8h 00mFrontier
Deal found 6/9$161
Mon 7/812:49 amONT - DCA
1 stop8h 20mFrontier
Tue 7/167:00 amDCA - ONT
1 stop27h 17mFrontier
Deal found 6/9$168
Mon 7/112:59 amONT - DCA
1 stop8h 06mFrontier
Mon 7/156:59 pmDCA - ONT
1 stop7h 50mFrontier
Deal found 6/10$175
Tue 7/3012:59 amONT - DCA
1 stop8h 10mFrontier
Mon 8/512:59 pmDCA - ONT
1 stop21h 28mFrontier
Deal found 6/9$177

Ontario to District of Columbia 2024 flight deals

Discover exclusive flight deals for travel between Ontario and District of Columbia in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,080,152 searches. Data last updated June 10, 2024.
These are some of the best deals we've found on flights to District of Columbia in 2024 at this time. For more flight deals, be sure to check back very soon.
Tue 7/1612:59 amONT - DCA
1 stop8h 10mFrontier
Tue 7/306:59 pmDCA - ONT
1 stop8h 00mFrontier
Deal found 6/10$154
Mon 7/112:59 amONT - DCA
1 stop8h 06mFrontier
Tue 7/166:59 pmDCA - ONT
1 stop8h 00mFrontier
Deal found 6/10$155
Mon 7/112:59 amONT - DCA
1 stop8h 06mFrontier
Tue 7/97:00 amDCA - ONT
1 stop27h 17mFrontier
Deal found 6/9$156
Mon 7/2212:49 amONT - DCA
1 stop8h 20mFrontier
Tue 7/306:59 pmDCA - ONT
1 stop8h 00mFrontier
Deal found 6/10$158
Tue 7/912:59 amONT - DCA
1 stop8h 10mFrontier
Wed 7/177:00 amDCA - ONT
1 stop19h 39mFrontier
Deal found 6/10$159
Mon 7/812:49 amONT - DCA
1 stop8h 20mFrontier
Tue 7/166:59 pmDCA - ONT
1 stop8h 00mFrontier
Deal found 6/9$161
Mon 7/812:49 amONT - DCA
1 stop8h 20mFrontier
Tue 7/167:00 amDCA - ONT
1 stop27h 17mFrontier
Deal found 6/9$168
Mon 7/112:59 amONT - DCA
1 stop8h 06mFrontier
Mon 7/156:59 pmDCA - ONT
1 stop7h 50mFrontier
Deal found 6/10$175
Tue 8/271:32 pmONT - DCA
1 stop19h 37mFrontier
Thu 9/57:00 amDCA - ONT
1 stop8h 15mFrontier
Deal found 6/9$176

Ontario to District of Columbia flights leaving soon

Find last-minute flight options from Ontario to District of Columbia 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 3,080,152 searches. Data last updated June 10, 2024.
Have a look at some of the flights available from Ontario to District of Columbia departing last-minute. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Mon 6/179:36 pmONT - DCA
1 stop11h 29mFrontier
Fri 6/216:59 pmDCA - ONT
1 stop7h 41mFrontier
Deal found 6/9$186
Mon 6/1712:59 amONT - DCA
1 stop8h 06mFrontier
Tue 6/186:59 pmDCA - ONT
1 stop15h 03mFrontier
Deal found 6/8$202
Mon 6/179:36 pmONT - DCA
1 stop11h 29mFrontier
Thu 6/206:50 pmDCA - ONT
1 stop7h 48mFrontier
Deal found 6/9$206
Mon 6/179:36 pmONT - DCA
1 stop11h 29mFrontier
Tue 6/186:59 pmDCA - ONT
1 stop8h 00mFrontier
Deal found 6/10$218
Tue 6/1812:59 amONT - DCA
1 stop8h 02mFrontier
Mon 7/156:59 pmDCA - ONT
1 stop7h 50mFrontier
Deal found 6/9$224
Tue 6/1812:59 amONT - DCA
1 stop8h 02mFrontier
Tue 6/257:00 amDCA - ONT
1 stop27h 02mFrontier
Deal found 6/9$236
Thu 6/2011:59 amONT - DCA
1 stop21h 10mFrontier
Mon 6/246:59 pmDCA - ONT
1 stop15h 28mFrontier
Deal found 6/9$240
Tue 6/1812:59 amONT - DCA
1 stop17h 58mFrontier
Sat 6/227:00 amDCA - ONT
1 stop19h 59mFrontier
Deal found 6/9$241
Wed 6/198:03 amONT - DCA
1 stop7h 04mFrontier
Mon 7/156:59 pmDCA - ONT
1 stop7h 50mFrontier
Deal found 6/9$244

One-way flights to District of Columbia from Ontario

Search for one-way flight options from Ontario to District of Columbia. 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 3,080,152 searches. Data last updated June 10, 2024.
If you're seeking multiple options on one-way flights from Ontario to District of Columbia, be sure to check out these deals, which are updated often. Users needing a return flight from Ontario to District of Columbia should utilize the search form above.
Tue 6/1812:59 amONT - DCA
1 stop8h 02mFrontier
Deal found 6/9$69
Mon 6/179:36 pmONT - DCA
1 stop11h 29mFrontier
Deal found 6/9$74
Mon 7/112:59 amONT - DCA
1 stop8h 06mFrontier
Deal found 6/10$77
Tue 7/3012:59 amONT - DCA
1 stop8h 10mFrontier
Deal found 6/9$78
Tue 7/912:59 amONT - DCA
1 stop8h 10mFrontier
Deal found 6/9$79
Tue 9/312:49 amONT - DCA
1 stop8h 20mFrontier
Deal found 6/9$88
Mon 8/1212:49 amONT - DCA
1 stop8h 20mFrontier
Deal found 6/9$90
Fri 8/3012:49 amONT - DCA
1 stop8h 20mFrontier
Deal found 6/9$91
Sat 8/177:30 amONT - DCA
1 stop25h 39mFrontier
Deal found 6/10$93

Find flights from Ontario to District of Columbia within your budget

Customize your flight search to find flights from Ontario to District of Columbia 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 3,080,152 searches. Data last updated June 10, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$155 - $371

Route

Depart

Return

Price

OntarioWashington, D.C. Reagan-National

ONT - DCA

ONTDCA

Ontario

Tue 7/16

1 stop8h 10m

Washington, D.C. Reagan-National

Tue 7/23

1 stop8h 00m

$155

OntarioWashington, D.C. Reagan-National

ONT - DCA

ONTDCA

Ontario

Mon 7/1

1 stop8h 06m

Washington, D.C. Reagan-National

Tue 7/9

1 stop27h 17m

$156

OntarioWashington, D.C. Reagan-National

ONT - DCA

ONTDCA

Ontario

Mon 7/22

1 stop8h 20m

Washington, D.C. Reagan-National

Tue 7/30

1 stop8h 00m

$158

OntarioWashington, D.C. Reagan-National

ONT - DCA

ONTDCA

Ontario

Mon 7/15

1 stop8h 20m

Washington, D.C. Reagan-National

Tue 7/23

1 stop27h 17m

$159

OntarioWashington, D.C. Reagan-National

ONT - DCA

ONTDCA

Ontario

Mon 7/8

1 stop8h 20m

Washington, D.C. Reagan-National

Tue 7/16

1 stop8h 00m

$161

OntarioWashington, D.C. Reagan-National

ONT - DCA

ONTDCA

Ontario

Fri 10/25

1 stop8h 01m

Washington, D.C. Reagan-National

Tue 10/29

1 stop10h 51m

$290

OntarioWashington, D.C. Reagan-National

ONT - DCA

ONTDCA

Ontario

Sat 9/7

2 stops13h 09m

Washington, D.C. Reagan-National

Tue 9/10

1 stop9h 31m

$295

OntarioWashington, D.C. Dulles Intl

ONT - IAD

ONTIAD

Ontario

Tue 7/16

1 stop8h 00m

Washington, D.C. Dulles Intl

Tue 7/23

1 stop8h 14m

$324

OntarioWashington, D.C. Dulles Intl

ONT - IAD

ONTIAD

Ontario

Tue 7/16

1 stop12h 11m

Washington, D.C. Dulles Intl

Tue 7/23

2 stops19h 59m

$371

Flights are sorted by cheapest first

Deals found on 6/9

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

Best time to book a flight from Ontario to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Ontario 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 District of Columbia

Get insights into the airlines that provide service to District of Columbia. 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 District of Columbia. Reviews last updated June 10, 2024.
Get a feel of what it's like to fly with Alaska Airlines, United Airlines and Delta from Ontario to District of Columbia by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,254 reviews

Overall

8.1

Food

7.3

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,254 reviews
Alaska Airlines
8.1
Very good
9,254 reviews

Overall

8.1

Food

7.3

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.0
Very good
10,295 reviews
Alaska Airlines
8.1
Very good
9,254 reviews

Overall

8.1

Food

7.3

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Qatar Airways
7.7
Good
4,306 reviews
Alaska Airlines
8.1
Very good
9,254 reviews

Overall

8.1

Food

7.3

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Avianca
7.5
Good
3,563 reviews
Alaska Airlines
8.1
Very good
9,254 reviews

Overall

8.1

Food

7.3

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
10,647 reviews
Alaska Airlines
8.1
Very good
9,254 reviews

Overall

8.1

Food

7.3

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from Ontario to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to District of Columbia?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to District of Columbia. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

  • Can I find flights from Ontario to District of Columbia for under $200 on Cheapflights?

    Yes, there are multiple flights from Ontario to District of Columbia for under $200. The cheapest flight booked recently is on Frontier for just $155, but on average you can expect to pay $175.

  • Are there last-minute flights available from Ontario to District of Columbia for under $200?

    There are currently 20+ open flights from Ontario to District of Columbia within the next 7 days for less than $200.

  • What does ONT to IAD mean?

    ONT stands for Ontario Airport, while IAD stands for Washington, D.C. Dulles Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Baltimore/Washington Airport (BWI), Washington, D.C. Reagan-National Airport (DCA).

  • Can I find deals for flights from Ontario to District of Columbia that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to District of Columbia 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 Ontario to District of Columbia with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to District of Columbia 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 Ontario to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Ontario to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to District of Columbia?

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

  • Can I find deals for business class flights from Ontario to District of Columbia?

    Yes. Cheapflights offers flight deals from Ontario to District of Columbia 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 Ontario to District of Columbia that allow pets onboard?

    Many airlines flying from Ontario to District of Columbia 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 Ontario to District of Columbia?

    Yes, you can often find last-minute deals on Ontario to District of Columbia 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 Ontario to District of Columbia flight deals updated?

    The Ontario to District of Columbia flight deals you see on this page were last updated on 6/10.

  • What are the most popular airlines that fly from Ontario to District of Columbia?

    American Airlines, Alaska Airlines and Delta are the most popular airlines when flying from Ontario to District of Columbia.

  • What is the cheapest month to book a flight from Ontario to District of Columbia?

    Currently, September is the cheapest month in which you can book a flight from Ontario to District of Columbia (average of $278). Flying from Ontario to District of Columbia in June is currently the most expensive (average of $382). 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.

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Alternative routes for Ontario to District of Columbia
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Top 6 airlines flying from Ontario to District of Columbia

Discover the top 6 airlines that operate flights from Ontario to District of Columbia. 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 3,080,152 searches. Data last updated June 10, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$121Average$253FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$132Average$314FlexibilityNo cancel feeOn-time75%
FrontierCheapest$148Average$278FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$192Average$488FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$422FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$262Average$568FlexibilityNo cancel feeOn-time69%
New York to Denver flights
Los Angeles to Chicago flights
New York to San Juan flights
Denver to London flights
Chicago to New York flights
Boston to Phoenix flights
Atlanta to Baltimore flights
Los Angeles to San Diego flights
Chicago to Mumbai flights
USA to Spain flights
Chicago to Cancún flights
Ontario to Delaware flights

Search flights from Ontario to District of Columbia by cabin class

Find flights from Ontario to District of Columbia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Hourly flight availability from Ontario to District of Columbia

Find hourly flight availability from Ontario to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 10, 2024.
0%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
100%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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