Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Reagan-National Airport to Ontario from $63

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Ontario departing on 1/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Los Angeles

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. Reagan-National Airport to Los Angeles 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 Washington, D.C. Reagan-National Airport to Los Angeles.

Cheap last minute flights

Planning a quick getaway from Washington, D.C. Reagan-National Airport to Los Angeles? 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 Los Angeles, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Washington, D.C. Reagan-National Airport to Los Angeles

Find recent round-trip train or bus tickets from Washington, D.C. Reagan-National Airport to Los Angeles.

All round-trip flight deals to Los Angeles

The cheapest plane tickets to Los Angeles found on KAYAK recently.
1:01 pm - 11:47 pmDCA-ONT
13h 46m1 stop
6:45 am - 4:59 pmONT-DCA
7h 14m1 stop
$128Frontier
Find Deal
Tue, Jan 28 - Sat, Feb 1
6:00 pm - 11:47 pmDCA-ONT
8h 47m1 stop
6:45 am - 4:59 pmONT-DCA
7h 14m1 stop
$135Frontier
Find Deal
Sat, Jan 18 - Thu, Jan 23
7:00 am - 9:41 pmDCA-ONT
17h 41m1 stop
7:45 am - 12:01 pmONT-DCA
25h 16m1 stop
$138Frontier
Find Deal
Mon, Dec 9 - Wed, Dec 11
1:01 pm - 11:44 pmDCA-ONT
13h 43m1 stop
6:45 am - 4:59 pmONT-DCA
7h 14m1 stop
$140Frontier
Find Deal
Wed, Jan 15 - Sat, Jan 25
1:01 pm - 5:28 pmDCA-ONT
7h 27m1 stop
6:45 am - 4:59 pmONT-DCA
7h 14m1 stop
$146Frontier
Find Deal
Fri, Jan 31 - Sat, Feb 8
3:50 pm - 10:52 pmDCA-ONT
10h 02m1 stop
7:00 am - 6:30 pmONT-DCA
8h 30m1 stop
$336Delta
Find Deal
Sat, Jan 18 - Sat, Jan 25
5:10 pm - 11:25 pmDCA-ONT
9h 15m1 stop
7:00 am - 10:00 pmONT-DCA
12h 00m2 stops
$341Delta
Find Deal
Sat, Jan 18 - Sat, Jan 25
6:55 pm - 10:49 amDCA-ONT
18h 54m2 stops
7:45 am - 9:56 pmONT-DCA
11h 11m1 stop
Fri, Jan 10 - Tue, Jan 14
6:00 pm - 12:09 amDCA-ONT
9h 09m1 stop
6:00 am - 9:59 pmONT-DCA
12h 59m1 stop
Thu, Feb 20 - Sat, Mar 1
5:00 am - 11:58 amDCA-ONT
9h 58m2 stops
12:48 pm - 12:40 amONT-DCA
8h 52m2 stops
$376American Airlines
Find Deal
Fri, Jan 10 - Tue, Jan 14
6:00 pm - 11:44 pmDCA-ONT
8h 44m1 stop
$63Frontier
Find Deal
Tue, Jan 14
6:00 pm - 11:47 pmDCA-ONT
8h 47m1 stop
$64Frontier
Find Deal
Sat, Jan 18
8:00 am - 5:29 pmDCA-ONT
12h 29m1 stop
$168Alaska Airlines
Find Deal
Thu, Nov 28
3:40 pm - 11:53 pmDCA-ONT
11h 13m2 stops
$173Delta
Find Deal
Wed, Jan 8
6:30 pm - 11:02 pmDCA-ONT
7h 32m1 stop
$198Delta
Find Deal
Mon, Dec 16
4:25 pm - 10:35 pmDCA-ONT
9h 10m2 stops
$218Southwest
Find Deal
Sun, Dec 15
6:41 am - 1:31 pmDCA-ONT
9h 50m1 stop
$224American Airlines
Find Deal
Wed, Apr 9
9:00 am - 9:27 pmDCA-ONT
15h 27m2 stops
$226Alaska Airlines
Find Deal
Wed, Feb 26
3:50 pm - 11:35 pmDCA-ONT
10h 45m2 stops
$233Southwest
Find Deal
Thu, Dec 19
7:00 am - 12:03 pmDCA-ONT
8h 03m1 stop
$289American Airlines
Find Deal
Fri, Nov 29
1:00 pm - 11:26 amDCA-ONT
25h 26m1 stop
7:45 am - 12:01 pmONT-DCA
25h 16m1 stop
$235Frontier
Find Deal
Tue, Nov 26 - Tue, Dec 3
1:00 pm - 11:26 amDCA-ONT
25h 26m1 stop
7:45 am - 12:01 pmONT-DCA
25h 16m1 stop
$238Frontier
Find Deal
Tue, Nov 26 - Tue, Dec 3
6:10 am - 3:35 pmDCA-ONT
12h 25m2 stops
11:25 am - 10:55 pmONT-DCA
8h 30m1 stop
$641Southwest
Find Deal
Sun, Nov 24 - Wed, Dec 4
3:00 pm - 10:35 pmDCA-ONT
10h 35m2 stops
9:25 am - 8:55 pmONT-DCA
8h 30m2 stops
$646Southwest
Find Deal
Sun, Nov 24 - Wed, Dec 4
5:00 am - 12:03 pmDCA-ONT
10h 03m1 stop
11:59 pm - 10:59 amONT-DCA
8h 00m1 stop
$714American Airlines
Find Deal
Fri, Nov 22 - Mon, Dec 2
5:10 pm - 10:51 pmDCA-ONT
8h 41m1 stop
6:00 am - 6:22 pmONT-DCA
9h 22m2 stops
$719Delta
Find Deal
Sat, Nov 23 - Wed, Nov 27
5:40 pm - 11:59 pmDCA-ONT
9h 19m1 stop
6:00 am - 9:00 pmONT-DCA
12h 00m2 stops
$742Alaska Airlines
Find Deal
Tue, Nov 26 - Sat, Dec 7
6:35 pm - 11:01 pmDCA-ONT
7h 26m1 stop
6:00 am - 4:00 pmONT-DCA
7h 00m1 stop
$754Delta
Find Deal
Fri, Nov 22 - Tue, Nov 26
2:44 pm - 11:59 pmDCA-ONT
12h 15m2 stops
6:00 am - 9:00 pmONT-DCA
12h 00m2 stops
$806Alaska Airlines
Find Deal
Tue, Nov 26 - Sat, Dec 7
5:00 am - 9:47 amDCA-ONT
7h 47m1 stop
12:59 am - 10:59 amONT-DCA
7h 00m1 stop
$1,416American Airlines
Find Deal
Tue, Nov 26 - Sat, Nov 30

Frontier flights from Washington, D.C. Reagan-National Airport to Ontario

Our best Frontier deals on Washington, D.C. Reagan-National Airport to Ontario flight tickets
Frontier
Jan 28
DCA1:01 pmWashington, D.C. Reagan-National
13h 46m
1 stop
ONT11:47 pmOntario
Feb 1
ONT6:45 amOntario
7h 14m
1 stop
DCA4:59 pmWashington, D.C. Reagan-National
Frontier
Jan 18
DCA6:00 pmWashington, D.C. Reagan-National
8h 47m
1 stop
ONT11:47 pmOntario
Jan 23
ONT6:45 amOntario
7h 14m
1 stop
DCA4:59 pmWashington, D.C. Reagan-National
Frontier
Dec 9
DCA7:00 amWashington, D.C. Reagan-National
17h 41m
1 stop
ONT9:41 pmOntario
Dec 11
ONT7:45 amOntario
25h 16m
1 stop
DCA12:01 pmWashington, D.C. Reagan-National

Delta flights from Washington, D.C. Reagan-National Airport to Ontario

Our best Delta deals on Washington, D.C. Reagan-National Airport to Ontario flight tickets
Delta
Jan 18
DCA3:50 pmWashington, D.C. Reagan-National
10h 02m
1 stop
ONT10:52 pmOntario
Jan 25
ONT7:00 amOntario
8h 30m
1 stop
DCA6:30 pmWashington, D.C. Reagan-National
Delta
Jan 18
DCA5:10 pmWashington, D.C. Reagan-National
9h 15m
1 stop
ONT11:25 pmOntario
Jan 25
ONT7:00 amOntario
12h 00m
2 stops
DCA10:00 pmWashington, D.C. Reagan-National
Delta
Dec 11
DCA4:00 pmWashington, D.C. Reagan-National
11h 14m
2 stops
ONT12:14 amOntario
Jan 7
ONT6:00 amOntario
9h 57m
2 stops
DCA6:57 pmWashington, D.C. Reagan-National

See travel insights to Los Angeles from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Ontario

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

What is the cheapest month to fly to Ontario?

In general, January is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $280. If you aren’t able to travel during the month of January, then book flights to Ontario from Washington, D.C. Reagan-National Airport during February instead. Flights to Ontario in February, while not as cheap as those in January, still average around $290.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Tuesday when prices can be found for as low as $315. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Reagan-National Airport to Ontario for around $472.

What is the cheapest time of day to depart on your flight to Ontario?

In the afternoon is the cheapest time of day to fly from Washington, D.C. Reagan-National Airport to Ontario when you can find flight prices for as low as $358. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $428 on average. Flights to Ontario from Washington, D.C. Reagan-National Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Ontario?

Most flyers found that booking tickets 53 days in advance of their planned departure date is the best time to get cheap flights to Ontario. During this timeframe, flight prices are around $358. However, in the past 72 hours, people saw flights from Washington, D.C. Reagan-National Airport for as low as $139.

Can stopping save me money on Washington, D.C. Reagan-National Airport to Ontario flights?

You could potentially save up to 59% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Ontario flight.

How have Washington, D.C. Reagan-National Airport to Ontario flight prices changed over time?

As of November 2024, prices for Washington, D.C. Reagan-National Airport to Ontario flights are approximately 10% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. Reagan-National Airport to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Ontario (DCA to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Ontario

Best Price Found

$63

Fastest flight time

7h 10m

Direct flights

None

Airports in Ontario

1 airport
The best one-way flight to Ontario from Washington, D.C. Reagan-National Airport in the past 72 hours is $63. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Ontario found on momondo in the last 72 hours is $128.
The fastest flight from Washington, D.C. Reagan-National Airport to Ontario takes 7h 10m
There are no direct flights from Washington, D.C. Reagan-National Airport to Ontario. Popular non-direct route for this connection is Washington, D.C. Reagan-National Airport - Ontario Airport.
There is 1 airport near Ontario: Ontario (ONT)

  • How far is Washington, D.C. Reagan-National to Ontario by plane?

    Washington, D.C. Reagan-National and Ontario are 2260.8 mi apart from one another. By plane, this route typically takes 7h 27m.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Ontario Airport?

    Prices for flights from Washington, D.C. Reagan-National Airport to Ontario Airport refresh daily.

  • How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Ontario Airport?

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Ontario Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The travel and health documents required for your trip to Ontario Airport 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 Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Washington, D.C. Reagan-National Airport to Ontario?


Best airlines flying from Washington, D.C. Reagan-National Airport to Ontario

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Ontario with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $148Free CancellationRating
6.1
3,536 reviews
Search Frontier flights
American AirlinesPriceFrom $227Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $267Free CancellationRating
8.0
8,755 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Ontario?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Ontario for you.

Can I find flights from Washington, D.C. to Ontario with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ontario from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington, D.C. to Ontario?

momondo provides multiple filters to help you find the best flight to Ontario from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Washington, D.C. to Ontario right now. Can momondo alert me if prices change?

Price alerts on flights to Ontario from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Tue 11/26
Tue 12/3
Email me momondo's favorite deals

Find better results for your trip to the United States