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Find cheap flights from Ontario to District of Columbia from $108

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to District of Columbia departing on 6/11. 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.
1 adult
0 bags
Tue 6/4
Tue 6/11

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Best District of Columbia Flight Deals

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours

Washington, D.C.
Baltimore1 stop$187

Good to know

Low season

February

High season

August

Cheapest flight

$108
Best time to beat the crowds with an average 45% drop in price.
Most popular time to fly with an average 6% increase in price.
Flight from Ontario to Reagan Washington National Airport

FAQs - booking District of Columbia flights

  • How does KAYAK find such low prices on flights from Ontario to District of Columbia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to District of Columbia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to District of Columbia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to District of Columbia from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to District of Columbia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to District of Columbia with an airline and back to Ontario with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to District of Columbia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to District of Columbia from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding cheap flights to District of Columbia

  • Morning departure is around 17% 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

Top 5 airlines serving from Ontario to District of Columbia

 
Need help choosing which airline to fly with from Ontario to District of Columbia? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.2
China AirlinesOverall score based on 941 reviews
7.8Food
8.0Comfort
8.3Boarding
8.1Entertainment
8.6Crew
Airline reviews

My flight to Los Angeles was canceled Had to book another flight and you charged me extra $500 Very bad experience

2.0 MediocreArieh, Apr 2024BKK - TPE
Read more about China Airlines reviews

My flight to Los Angeles was canceled Had to book another flight and you charged me extra $500 Very bad experience

Comfort was left wanting due to such a long flight, made the wife and I wish we could upgrade the seats to Business class or First Class, but did not have that option. Food was good but had very limited options and I have a dietary restriction which was difficult for the staff to accommodate since everything provided came with cheese on it. (Cheese could potentially kill me) Did not have an option to inform the staff until we were already in the air about the restriction and was not provided another option before flight departed.

The plane was uncomfortable. I paid extra for more legroom but the seat was still uncomfortable. Other seats on the same exact row didn’t have to pay extra but still have extra legroom. I didn’t understand why I needed to pay $170 for. It was Iike China airline just wants to make money off their passengers. It was unfair.

They were helpful, considerate with asking us for standby preboarding with our infant, gave us toys and excellent service onboard. They were always on time, even early boarding once! All our luggage arrived intact, and they even brought our baby car seat to oversized for us. We love China Airlines!

Ask flight attendant for water during flight and she was a little rude get the water.

Baggage made it successfully to destination despite short layover. Appreciate that.

Staff were good and nice. There should me 3 meals instead of only 2 and snacks.

Flight was delay almost 2 hours from Hong Kong to Taipei. Last minute gate change from 24 to 66. Long way walk. We need to run in the Taipei airport to catch our next flight from Taipei to Vancouver. That is so suck!

Excellent staff made the boarding process fast and easy. Friendly crews on both flights from Saigon to Taipei and Taipei to Los Angeles. Will fly China Airlines again.

For a long-haul flight, the crew did a very good job of keeping the lavatories clean and the aisles clear.

There was a loud squeaky sound the whole time we were flying.

I didn’t not like that I could not select my seat and ended up with the worse seat.

The landing was bad and the hostess came two times and i was sleeping but when she served the person that nexts to me I woke up and she didn’t even asked me if I need any drink or snacks two times!!!!

Plane was late because of a mechanical malfunction and the food listed as available was not. Flight attendants seem over worked and under paid. They just done seem happy. And that can be seen in their faces.

Waited 3 hours on a plane to de-ice due to manpower issues. Waited another hour and a half once we landed because of a gate issue. Missed my connections. Created. A total of 13 hours of delay.

Great, on time departure, friendly and accommodating crew, great leg room, Smith flight

Plane was turned around due to fog half way into the flight, Delta did not properly direct passengers to stay on same flight and instead failed to properly rebook on Alaska

Like most domestic flights in the US, you are basically on your own with this airline when it comes to food, so be sure to purchase meals and drinks ahead of time or expect to arrive starving and dehydrated (like I was).

You need to be a hacker to get the (Free) WiFi

I guess they don’t serve drinks on planes anymore

All flights were on time and boarding was issue free

Water service would be great. The way they board is terrible. Slow passengers first😂😂 They need to smart up a bit

It got me where I needed it to; not much more. It had no competition so that was why I chose it.

Plane didn’t even make it off the ground. We all had to get off and walk to a different terminal (lots of confusion) to get on a different plane. Landed fairly late, connections missed.

Crowded flight, but upbeat and kind crew. Pilot greeted us at door, flight attendant thanked a number of “special” passengers for their business, another addressed an eight-year old boy as “young man.” United obviously trying to up their game, but though all of that is nice and notable, flying still feels like moving along a human assembly line, being herded into one small space after another (boarding areas with too few seats, planes with limited personal space, shuttles (IAD) packed too full.

It was ok until we got to DC and I wanted to use my United Club pass and the snobbish receptionist said that they don’t take one pass. It took me everything itch of patience not to tell her off

Food choice was poor and we had to buy on board snacks.

We were offer chocolate cookies , not everyone eat chocolate. Thank you

Lost luggage again. Our second trip to Mykonos, and 2nd time no luggage.

Flight was well orchestrated, made up time despite circling a bit all good on United. Travelers can just be so into themselves that common courtesy has gone out window for some, but that’s not on United.

The Flight attendant had an attitude and didn't allow anyone any time to prepare for landing despite being absent throughout the entire trip

The flight was great until towards the end when the flight attendant read an excessively long commercial for purchasing an american airlines credit card. The worst part is that we are doing a lot of traveling this year so i was actually interested in getting the credit card, but I was so annoyed with the long commercial that I completely dismissed the flight attendant bringing around the information. Next time, keep the sales pitch to 10 seconds and then pass around the brochures!!

Nice aircraft. Plane was PACKED full and distance between seats was tight. Had it been more than a two hour flight it would not have been tolerable. I had much more knee space on the JetBlue flight I went out on.

New ridiculous policy by american destroyed my allegiance to american. As a million miler with american, I expected it would be easy to get on an earlier flight when I got to airport earlier than expected, and save a five hour layover. WRONG. The online app would not let me switch flights, So I called, and was promised a call back in 90 minutes. HAH! The customer service desk at DCA said “we no longer have access to changing a flight on our screens. If the app couldn’t do it, I should send a letter to American, but there’s nothing else possible!”

I am tired of being nickel and dimed for seat location, checked luggage and carry on bags. That is why i rarely fly anymore.

It was right on time and crew were very courteous

Great flight. Boarding was efficient and quick. On time departure and smooth flight. Flight arrived early at destination. Good experience.

Literally the worst experience ever and I had my service dog with me. Flight was supposed to leave at 1:51 PM but the plane arrived late. They boarded us around 3 PM and kept us on the plane for an hour saying that due to weather conditions in Miami, we could not takeoff yet. After waiting for an hour, they deplaned. And then they will not give us our bags back that we could just leave and schedule for another flight. Every hour they kept updating saying we have to wait another hour without any explanation as to what was going on. Eventually, I went to customer service to change my ticket, but by the time I made it to the front of the line, they started boarding my flight again. And then when we got onto the flight, they said there were two flight attendants That were past their shift. They kept us on the plane for about another 40 minutes until they told us they had no other flight attendance and had to deplane again. Then I gave us hotel vouchers and told us we would be on a flight at 6 AM the next day. At this point it is about 9 PM. I get to the hotel with my dog, who hasn’t been able to go potty for about eight hours. When I arrived at the hotel, I got a text alert saying my flight has been canceled at 6 AM and they moved past to 5 AM, however the hotel shuttle doesn’t leave early enough to make it to the airport for 5 AM flight. So me and some other passengers got a cab after about three hours of sleep to get back to the airport. This was the worst experience ever.

Their computers were down upon arrival to the airport. They were unable to figure out how to board us. We were delayed over an hour and a half.

It was wonderful upgrading to first. Plane was so cold thou. Crew was great. Wish there was a food option in first for such a long flight. Doesnt matter the time of day. Chintzy.

Our flight was delayed an hour, then when we got to board our flight finally, we were waiting in our seats for take off for 45 minutes before it was communicated that there was a maintenance issue therefore we waited on the plane for over an hour while that was resolved. We did not get to Phoenix until almost 3 hours after we were originally supposed to. This was the first and last time I will be flying Frontier.

There were 3 leg for the trip and each leg was delayed by 90 minutes or more. The boarding process takes forever with people waiting on the jetway even though most folks do not have carry-on. The whole process is poorly managed.

They cancelled the flight then did nothing to help us rebook. It was awful - I won’t fly with them again

The process of buying the ticket and navigating all the hidden charges that Frontier throws at you was a terrible experience. The actual airport experience and flying was fine.

The truck that was refueling the plane drove away with the hose still connected to the plane and ripped part of the plane off with it

Terrible. Seats are bad and the baggage policy is inconsistent

Better than I expected but I did pay for a seat and carry on bags ahead of time.

I hope to avoid flying with them in the future. First flight got cancelled then got stuck with a 13 hour layover in Denver. The process was long and frustrating to many people.

Flight was delayed on the runway for 40 minutes the crew did not even offer even water to passengers to compensate for the flight delayed. The flight was delayed due to aircraft mechanical issues. Worst customer service ever

The flight was delayed and I had to cancel because I would have missed my connection and there were no other flights for the next two days. They also lost my bag!!

Book cheap flights from Ontario to District of Columbia

Recent round-trip flight deals

6/3Mon
1 stopFrontier
8h 04mONT-DCA
6/8Sat
1 stopFrontier
7h 58mDCA-ONT
$215
8/20Tue
1 stopFrontier
8h 20mONT-DCA
9/9Mon
1 stopFrontier
7h 40mDCA-ONT
$216
5/21Tue
1 stopAmerican Airlines
9h 46mONT-IAD
5/31Fri
1 stopAmerican Airlines
7h 45mIAD-ONT
$287
5/25Sat
1 stopAmerican Airlines
8h 45mONT-IAD
5/28Tue
1 stopAmerican Airlines
9h 39mIAD-ONT
$288
8/14Wed
1 stopDelta
8h 00mONT-IAD
8/24Sat
1 stopDelta
8h 10mIAD-ONT
$290
6/1Sat
1 stopDelta
8h 07mONT-DCA
6/8Sat
2 stopsDelta
12h 42mDCA-ONT
$295
6/26Wed
1 stopUnited Airlines
8h 00mONT-IAD
7/2Tue
1 stopUnited Airlines
11h 09mIAD-ONT
$312
5/28Tue
1 stopUnited Airlines
8h 04mONT-IAD
6/1Sat
1 stopUnited Airlines
11h 04mIAD-ONT
$390
9/10Tue
2 stopsAlaska Airlines
13h 59mONT-IAD
9/17Tue
1 stopAlaska Airlines
9h 07mIAD-ONT
$447
6/4Tue
1 stopAlaska Airlines
10h 59mONT-IAD
6/5Wed
1 stopAlaska Airlines
11h 26mIAD-ONT
$448

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Recent one-way flight deals

6/11Tue
1 stopFrontier
8h 02mONT-DCA
$108
5/14Tue
1 stopFrontier
8h 01mONT-DCA
$109
6/8Sat
1 stopAmerican Airlines
7h 13mONT-IAD
$144
6/11Tue
1 stopDelta
7h 45mONT-IAD
$145
10/12Sat
1 stopAmerican Airlines
6h 56mONT-IAD
$147
6/11Tue
2 stopsDelta
10h 25mONT-IAD
$169
5/22Wed
1 stopUnited Airlines
8h 00mONT-DCA
$195
6/12Wed
1 stopUnited Airlines
8h 00mONT-IAD
$195
5/21Tue
2 stopsAlaska Airlines
10h 16mONT-DCA
$200
7/2Tue
1 stopAlaska Airlines
8h 10mONT-IAD
$217

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Last minute flights from Ontario to District of Columbia

Last minute flight, train and bus deals

5/10Fri
multi-stopFrontier
14h 06mONT-DCA
6/8Sat
multi-stopFrontier
13h 58mDCA-ONT
$284
5/9Thu
multi-stopFrontier
8h 04mONT-DCA
5/20Mon
multi-stopFrontier
8h 02mDCA-ONT
$286
5/6Mon
multi-stopAmerican Airlines
7h 51mONT-DCA
5/18Sat
multi-stopAmerican Airlines
8h 18mDCA-ONT
$454
5/8Wed
multi-stopAmerican Airlines
7h 25mONT-IAD
5/18Sat
multi-stopAmerican Airlines
9h 39mIAD-ONT
$455
5/8Wed
multi-stopDelta
6h 54mONT-DCA
5/18Sat
multi-stopDelta
13h 01mDCA-ONT
$462
5/8Wed
multi-stopDelta
12h 57mONT-DCA
5/18Sat
multi-stopDelta
13h 01mDCA-ONT
$467
5/10Fri
multi-stopAlaska Airlines
10h 30mONT-IAD
6/8Sat
multi-stopAlaska Airlines
19h 58mIAD-ONT
$573
5/7Tue
multi-stopAlaska Airlines
8h 44mONT-DCA
5/8Wed
multi-stopAlaska Airlines
11h 05mDCA-ONT
$624
5/8Wed
multi-stopUnited Airlines
7h 23mONT-IAD
5/18Sat
multi-stopUnited Airlines
17h 49mIAD-ONT
$710
5/7Tue
multi-stopUnited Airlines
15h 57mONT-IAD
5/8Wed
multi-stopUnited Airlines
7h 25mIAD-ONT
$827

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Ontario - District of Columbia Flights

Departure:

Ontario (ONT)United States

Return flight deals:

District of Columbia - Ontario

Cabin classes: