Cheap Flight Tickets from Ontario (ONT) to Washington (DCA), Starting at $228

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

$228

DL Delta Airlines • 1 stop • 12h

Oct 06 – Oct 13

The cheapest round trip flight from Ontario to Washington (ONT-DCA-ONT) is currently $228

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Cheapest One way Flight

$241

DL Delta Airlines • 1 stop • 14h 8m

Aug 13

The cheapest one way flight from Ontario to Washington (ONT-DCA) is currently $241

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Fastest Flight

12h

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

Top Airlines Flying from Ontario to Washington

Delta Airline, DL

Delta 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.

Oct 06 - Oct 13, Economy
DL
Ontario → Washington
12h
7:07 AM - 5:27 PM • 1 stop
DL
Ontario → Washington
14h 16m
5:59 PM - 11:55 PM • 1 stop
$228
Delta Airlines
Oct 06 - Oct 13, Economy
DL
Ontario → Washington
12h 11m
12:18 PM - 10:49 PM • 1 stop
DL
Ontario → Washington
14h 16m
5:59 PM - 11:55 PM • 1 stop
$228
Delta Airlines
Oct 06 - Oct 13, Economy
DL
Ontario → Washington
13h 49m
12:18 PM - 11:47 PM • 1 stop
DL
Ontario → Washington
14h 16m
5:59 PM - 11:55 PM • 1 stop
$228
Delta Airlines
Oct 06 - Oct 13, Economy
DL
Ontario → Washington
13h 40m
7:07 AM - 6:27 PM • 1 stop
DL
Ontario → Washington
14h 16m
5:59 PM - 11:55 PM • 1 stop
$281
Delta Airlines
Oct 06 - Oct 13, Economy
DL
Ontario → Washington
19h 2m
7:07 AM - 9:49 PM • 1 stop
DL
Ontario → Washington
14h 16m
5:59 PM - 11:55 PM • 1 stop
$323
Delta Airlines
Oct 06 - Oct 13, Economy
DL
Ontario → Washington
17h 12m
7:07 AM - 8:39 PM • 1 stop
DL
Ontario → Washington
14h 16m
5:59 PM - 11:55 PM • 1 stop
$323
Delta 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?
NO
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 7:05 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 DL : USD 539
Do I need a passport to fly between ONT and DCA?
No
What’s the latest departure time from ONT to DCA ?
The last flight leaves ONT at 10:00 pm

Essential Information for Booking Flights from Ontario (ONT) - AI Insights

What's the cheapest airline from ont to dca?
Frontier Airlines offers budget-friendly flights from Ontario International Airport (ONT) to Ronald Reagan Washington National Airport (DCA). For a round-trip journey, you can expect low fares on this route. Booking in advance is recommended as it can lead to savings. Please check the airline's website for the latest deals.
What's the popular airline to fly from ont to dca?
Delta Airlines offers flights from Ontario International Airport (ONT) to Ronald Reagan Washington National Airport (DCA), providing a convenient option for round-trip travel. With 1 stop, passengers can enjoy budget-friendly airfares and savings on their airfare.
What's the cheapest day of the week to fly from ont to dca?
The cheapest day to fly from Ontario International (ONT) to Ronald Reagan Washington National (DCA) is Sunday. Flying on Sundays can result in lower airfares, making it a budget-friendly option for your round-trip journey.
What's the cheapest month to fly from ont to dca?
The cheapest month to fly from Ontario International (ONT) to Ronald Reagan Washington National (DCA) is October. Booking in advance can help secure low fares, as flights during this time tend to be more budget-friendly. Consider flying in July or November for additional savings.
Which airline/airlines fly from ont to dca?
The airlines that fly from Ontario International Airport (ONT) to Ronald Reagan Washington National Airport (DCA) include JetBlue Airways, American Airlines, Frontier Airlines, Delta Airlines, United Airlines, Alaska Airlines, Southwest Airlines, and Volaris Airline. You can find budget-friendly flights with these airlines for your round-trip journey in July or any other preferred travel dates.
What is the cheapest airfare from Ontario International to Ronald Reagan Washington National for a round trip economy flight?
The cheapest airline for this route is Frontier Airlines (F9), with prices starting at £200 for a one-way ticket.
How far in advance should I book my flights to get the best deals on airfares?
To find the cheapest airfare, it's recommended to book your flight at least 8 days in advance.
Can I find cheap airline tickets on your website during July?
Yes, our website offers great deals on flights for travel in October, with prices starting at £200 per person.

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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