Cheap flights from Ontario to District of Columbia from $65
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to District of Columbia departing on 1/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Round-trip
1 adult
Economy
0 bags
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Cheap round-trip flights
These are some of the best round-trip flight deals from Ontario to District of Columbia 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 Ontario to District of Columbia.
Cheap last minute flights
Planning a quick getaway from Ontario to District of Columbia? 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 District of Columbia, so you can enjoy a seamless trip without layovers.
Cheap bus & train deals from Ontario to District of Columbia
Find recent round-trip train or bus tickets from Ontario to District of Columbia.
All round-trip flight deals to District of Columbia
The cheapest plane tickets to District of Columbia found on KAYAK recently.
American Airlines flights from Ontario to District of Columbia
Our best American Airlines deals on Ontario to District of Columbia flight tickets
American Airlines![American Airlines]()
Feb 1![American Airlines]()
Feb 4
ONT7:00 amOntario
9h 35m
2 stops
IAD7:35 pmWashington, D.C. Dulles Intl
IAD9:11 amWashington, D.C. Dulles Intl
12h 13m
2 stops
ONT6:24 pmOntario
American Airlines![American Airlines]()
Feb 22![American Airlines]()
Mar 1
ONT6:59 amOntario
8h 47m
1 stop
DCA6:46 pmWashington, D.C. Reagan-National
DCA5:15 pmWashington, D.C. Reagan-National
8h 01m
1 stop
ONT10:16 pmOntario
Alaska Airlines flights from Ontario to District of Columbia
Our best Alaska Airlines deals on Ontario to District of Columbia flight tickets
Alaska Airlines![Alaska Airlines]()
Feb 1![Alaska Airlines]()
Feb 4
ONT6:00 amOntario
8h 57m
1 stop
IAD5:57 pmWashington, D.C. Dulles Intl
IAD6:57 pmWashington, D.C. Dulles Intl
18h 41m
1 stop
ONT10:38 amOntario
Alaska Airlines![Alaska Airlines]()
Feb 12![Alaska Airlines]()
Feb 21
ONT6:00 amOntario
8h 57m
1 stop
IAD5:57 pmWashington, D.C. Dulles Intl
IAD6:48 pmWashington, D.C. Dulles Intl
19h 14m
1 stop
ONT11:02 amOntario
See travel insights to District of Columbia from
How to get the cheapest flight ticket from Ontario to District of Columbia
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
Prices
Airlines
Other information
What is the cheapest month to fly to District of Columbia?
In general, April is the cheapest month to fly from Ontario to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $256. If you don’t want to visit District of Columbia in April, then you should wait until August to fly from Ontario, when ticket prices are also cheap, with an average price of $266.
What is the cheapest day to depart on your flight to District of Columbia?
The cheapest day to depart on your flight to District of Columbia is on a Wednesday when prices can be found for as low as $314. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $492.
What is the cheapest time of day to depart on your flight to District of Columbia?
Flying to District of Columbia from Ontario in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $288 when looking at flights departing in the afternoon. Flights to District of Columbia are more costly at noon, with an average ticket price of $423. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to District of Columbia?
You are more likely to see cheaper flights to District of Columbia from Ontario when booking 57 days ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $444 when searching 57 days out. Keep in mind that you might also find cheap flights to District of Columbia outside of this time window. In fact, momondo users recently found flights from Ontario to District of Columbia for $228.
What is the cheapest airline that flies from Ontario to District of Columbia?
Frontier, JetBlue, and Alaska Airlines are the most popular carriers operating from Ontario to District of Columbia
What airlines fly to District of Columbia?
United Airlines, American Airlines and Spirit Airlines are the top three most popular airlines that fly to District of Columbia from Ontario according to our data. United Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 10 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.
Cheap Ontario to District of Columbia flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to District of Columbia
Best Price Found | $65 |
|---|---|
Fastest flight time | 6h 15m |
Direct flights | None |
Airports in District of Columbia | 2 airports |
When did momondo last update prices for flights from Ontario Airport to District of Columbia?
Prices for flights from Ontario Airport to District of Columbia refresh daily.
How many operators does momondo search for flights from Ontario Airport to District of Columbia?
As of January 2025, there are 5 operators available to choose from for flights from Ontario Airport to District of Columbia.
How old do you have to be to fly from Ontario Airport to District of Columbia?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to District of Columbia.
What documentation or ID do you need to fly to District of Columbia?
The travel and health documents required for your trip to District of Columbia 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 District of Columbia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Ontario to District of Columbia
Compare and see reviews for airlines that fly from Ontario to District of Columbia with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $148 | Free Cancellation | Rating 6.0 3,429 reviews | |||
| PriceFrom $151 | Free Cancellation | Rating 6.3 8,075 reviews | |||
| PriceFrom $256 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $256 | Free Cancellation | Rating 7.4 8,944 reviews | |||
| PriceFrom $262 | Free Cancellation | Rating 8.0 8,501 reviews | |||
| PriceFrom $301 | Free Cancellation | Rating 8.1 4,650 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ontario to District of Columbia?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to District of Columbia. momondo saves you time and could save you money on your trip.
Can I find flights from Ontario to District of Columbia with flexible booking policies on momondo?
Yes. All flights to District of Columbia from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Ontario to District of Columbia?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to District of Columbia from Ontario.
I’m not ready to book a flight from Ontario to District of Columbia right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to District of Columbia from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.
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