Cheap flights from Ontario to Washington (ONT-DCA)

Good to Know: Cheapest and Fastest ONT - DCA Flights

Useful information for finding best airline tickets from Ontario International to Ronald Reagan Washington National on your next trip.

Cheapest Round Trip Flight

$229

Delta Airlines • 1 stop • 12h 3m

Sep 11 – Sep 18

The cheapest round trip flight from Ontario to Washington (ONT-DCA-ONT) is currently $229

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Cheapest One way Flight

$255

Delta Airlines • 1 stop • 12h 24m

Sep 02

The cheapest one way flight from Ontario to Washington (ONT-DCA) is currently $255

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Fastest Flight

12h 3m

The fastest nonstop flight from Ontario to Washington (ONT-DCA) takes 12h 3m

Top Airlines Flying from Ontario to Washington

Southwest Airlines

Delta Airlines

United Airlines

American Airlines

Alaska Airlines

Latest Flight Deals from Ontario (ONT) to Washington (DCA)

Compare and book low fare round-trip air tickets from Ontario to Washington. Ideal for travelers with confirmed return itineraries.

Sep 11 - Sep 18, Economy

Ontario → Washington

12h 3m

12:17 PM - 10:40 PM • 1 stop

Ontario → Washington

14h 11m

6:35 PM - 12:26 AM • 1 stop

$229

Delta Airlines

Sep 11 - Sep 18, Economy

Ontario → Washington

13h 43m

7:05 AM - 6:28 PM • 1 stop

Ontario → Washington

14h 11m

6:35 PM - 12:26 AM • 1 stop

$229

Delta Airlines

Sep 11 - Sep 18, Economy

Ontario → Washington

13h 47m

12:17 PM - 11:44 PM • 1 stop

Ontario → Washington

12h 37m

7:35 AM - 12:32 PM • 1 stop

$229

Delta Airlines

Explore competitive one-way airfare options for ONT - DCA flights. Best suited for flexible or open-ended travel plans.

Sep 02, Economy

Ontario → Washington

12h 24m

6:00 AM - 4:44 PM • 1 stop

$255

Delta Airlines

Sep 02, Economy

Ontario → Washington

13h 45m

12:33 PM - 11:58 PM • 1 stop

$422

American Airlines

Sep 02, Economy

Ontario → Washington

16h 54m

6:00 AM - 7:14 PM • 1 stop

$422

American Airlines

Sep 02, Economy

Ontario → Washington

31h 55m

6:05 PM - 4:20 PM • 2 stops

$768

Alaska Airlines

Sep 02, Economy

Ontario → Washington

30h 55m

6:05 PM - 4:00 PM • 1 stop

$807

Alaska Airlines

Sep 02, Economy

Ontario → Washington

35h 53m

3:07 PM - 4:00 PM • 2 stops

$812

Alaska Airlines

Fly from Ontario to Washington with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Ontario to Washington? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Ontario to Washington Flights

What are the airports in Ontario?

ONT

What’s the most popular airline flying from ONT to DCA?

The most popular airline flying from Ontario to Washington are

Can I fly from ONT to DCA non-stop?

Which airlines fly nonstop between Ontario and Washington?

The non-stop flights between Ontario and Washington are .

What’s the earliest departure time from ONT to DCA Airport?

The earliest flight leaves ONT at 6:00 am and lands in DCA - Ronald Reagan Washington National

What are the airports in Washington?

IAD,BWI,DCA

Can I make changes to my Ontario to Washington flight tickets or cancel them on FareLeaders.com?

No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.

Can I cancel my flight tickets from ONT to DCA?

Read the fare rules of the Ontario to Washington air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.

Which airline alliances offer flights from Ontario and Washington?

operate flights between Ontario and Washington

How long does a flight from Ontario to Washington take?

It takes approximately 5 hour to fly non-stop from ONT to DCA, which is 2264.8 miles by air.

Which airlines provide the cheapest flights from Ontario (ONT) to Washington (DCA) ?

In the past couple of days, the cheapest tickets to DCA from ONT were found on AS : USD 812

Do I need a passport to fly between ONT and DCA?

What’s the latest departure time from ONT to DCA ?

The last flight leaves ONT at 6:05 pm

Ontario (ONT) to Washington (DCA): Airport Information

Origin Airport	Ontario International , Ontario, US
Destination Airport	Ronald Reagan Washington National , Washington, US
Distance	2265 miles

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Cheap Flight Tickets from Ontario (ONT) to Washington (DCA), Starting at $229

Good to Know: Cheapest and Fastest ONT - DCA Flights

Top Airlines Flying from Ontario to Washington

Southwest Airlines

Delta Airlines

United Airlines

American Airlines

Alaska Airlines

Latest Flight Deals from Ontario (ONT) to Washington (DCA)

Compare and book low fare round-trip air tickets from Ontario to Washington. Ideal for travelers with confirmed return itineraries.

Explore competitive one-way airfare options for ONT - DCA flights. Best suited for flexible or open-ended travel plans.

Fly from Ontario to Washington with the Best Airfare Deals on FareLeaders

FAQs on Ontario to Washington Flights

Ontario (ONT) to Washington (DCA): Airport Information

More Flight Options for Ontario (ONT) and Washington (DCA)

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