An airport terminal with a control tower, a covered walkway, and multiple jet bridges.

Cheap Flights Ontario Intl. Airport to Washington (ONT-DCA)

Photo by Metropolitan Washington Airports Authority
Open Photo by Metropolitan Washington Airports Authority

Book with confidence

ONT to DCA Flights

Ready to have the time of your life? When you use Expedia.co.nz to book cheap flights from Ontario to Washington, you can experience all of the attractions this city is famous for, or escape the crowds and explore the outskirts on your own. Our amazing deals on airfare help you save big on tickets, so you can spend more of your hard-earned money enjoying local entertainment options. Even if you seek to score a seat on one of the last-minute ONT to DCA flights, you’ll still save a bundle when compared to the competition.

See for yourself how simple it is to book the holiday of your dreams to Washington by using our helpful search engine today. We have the largest inventory of flights on the internet, and our intuitive tools make it easy to find affordable airfare at any time of year.

Prefer to fly with a particular airline? Our extensive network of travel partners ensures that you can travel with whichever carrier you prefer. So if you’ve been searching for cheap flights to Washington from Ontario, Expedia.co.nz has exactly what you’re looking for. As the world’s leader in travel, we’re committed to helping you get the best rates around.

Frequently Asked Questions

How much is a flight from ONT to National Airport?

Round-trip tickets from Ontario Airport to DCA start from . This figure is based on fares offered within the last 7 days on Expedia for flights departing within the next year — book today to avoid missing out. Prices and availability are subject to change. Additional terms apply.

Do I need to pay a cancellation fee if I cancel my flight from ONT to National Airport?

We get that things come up unexpectedly, so we've made it as simple as possible for you to cancel your trip online. Just visit the Customer Service Portal and follow the instructions.

How do I find cheap flights from Ontario Airport to DCA that have flexible change policies?

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Los Angeles - Ontario Intl. Airport (ONT) to National Airport flights, you'll see a "no change fees" filter for you to select.

How far is the flight from Los Angeles - Ontario Intl. Airport (ONT) to DCA?

It's around 3 600 kilometres between Ontario and Arlington, so you'll be in your seat for a while. Keep yourself occupied with things like a magazine or a good old-fashioned book.

Which airlines fly direct from Ontario Airport to DCA?

If you want to travel straight from Ontario Airport to National Airport, you'll need to book a flight with at least one stop. Unfortunately, there aren't any airlines that fly directly between these airports.

Are Los Angeles - Ontario Intl. Airport (ONT) to National Airport flight tickets cheaper when they're purchased at the last minute?

Booking your trip from Ontario Airport to National Airport last minute could be your ticket to an awesome deal. However, it could end up costing a good deal more! If you'd prefer not to take any chances, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred carrier hasn't released tickets yet, check back regularly as deals are updated all the time on Expedia.

Travel information

Origin airport
Ontario Intl. Airport
Destination airport
Ronald Reagan National Airport
Distance
3,635 km away
Airlines serving
Frontier Airlines, Alaska Airlines, American Airlines, Southwest Airlines, United, Delta, JetBlue Airways
Popular airline
Frontier Airlines
*Available to Expedia members.