S$454 Cheap Flights from Ontario to Washington

Round-trip tickets from Ontario Airport to DCA start from S$960. 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.

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.

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.

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.

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.

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.