$144 Cheap Flights from Carlsbad (CLD) to Washington (IAD)

View $144 flight on Sat, Feb 28, 2026Opens in a new window

Popular airlines from Carlsbad, CA (CLD-McClellan-Palomar) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Carlsbad to Washington (CLD-IAD)

Prices were available within the past 7 days and start at $144 for one-way flights and $387 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Apr 25 - Sat, May 2
CLD
Carlsbad
IAD
Washington
$387 Roundtrip, found 5 days ago
$387
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Apr 25 from Carlsbad to Washington, returning Sat, May 2, priced at $387 found 5 days ago
American Airlines
Sat, Apr 25 - Sat, May 2
CLD
Carlsbad
IAD
Washington
$407 Roundtrip, found 5 days ago
$407
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Apr 25 from Carlsbad to Washington, returning Sat, May 2, priced at $407 found 5 days ago
American Airlines
Sat, Apr 25 - Sat, May 2
CLD
Carlsbad
IAD
Washington
$427 Roundtrip, found 5 days ago
$427
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Apr 25 from Carlsbad to Washington, returning Sat, May 2, priced at $427 found 5 days ago
United
Sat, Apr 11 - Wed, Apr 15
CLD
Carlsbad
IAD
Washington
$428 Roundtrip, found 1 day ago
$428
Roundtrip
found 1 day ago
Select United flight, departing Sat, Apr 11 from Carlsbad to Washington, returning Wed, Apr 15, priced at $428 found 1 day ago
United
Sat, Apr 11 - Tue, Apr 14
CLD
Carlsbad
IAD
Washington
$437 Roundtrip, found 1 day ago
$437
Roundtrip
found 1 day ago
Select United flight, departing Sat, Apr 11 from Carlsbad to Washington, returning Tue, Apr 14, priced at $437 found 1 day ago
United
Sat, Apr 11 - Wed, Apr 15
CLD
Carlsbad
IAD
Washington
$443 Roundtrip, found 1 day ago
$443
Roundtrip
found 1 day ago
Select United flight, departing Sat, Apr 11 from Carlsbad to Washington, returning Wed, Apr 15, priced at $443 found 1 day ago
United
Sat, Apr 11 - Wed, Apr 15
CLD
Carlsbad
IAD
Washington
$446 Roundtrip, found 1 day ago
$446
Roundtrip
found 1 day ago
Select United flight, departing Sat, Apr 11 from Carlsbad to Washington, returning Wed, Apr 15, priced at $446 found 1 day ago
United
Tue, Apr 7 - Tue, Apr 14
CLD
Carlsbad
IAD
Washington
$455 Roundtrip, found 5 days ago
$455
Roundtrip
found 5 days ago
Select United flight, departing Tue, Apr 7 from Carlsbad to Washington, returning Tue, Apr 14, priced at $455 found 5 days ago
United
Fri, Apr 10 - Tue, Apr 14
CLD
Carlsbad
IAD
Washington
$457 Roundtrip, found 1 day ago
$457
Roundtrip
found 1 day ago
Select United flight, departing Fri, Apr 10 from Carlsbad to Washington, returning Tue, Apr 14, priced at $457 found 1 day ago
American Airlines
Sat, Apr 25 - Sat, May 2
CLD
Carlsbad
IAD
Washington
$457 Roundtrip, found 5 days ago
$457
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Apr 25 from Carlsbad to Washington, returning Sat, May 2, priced at $457 found 5 days ago

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $491
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $491

Frequently asked questions

How much does a flight from McClellan-Palomar Airport (CLD) to Washington Dulles Intl. Airport (IAD) cost?
Get a cheap one-way flight from $144 or cheap return flight from $387 from McClellan-Palomar Airport (CLD) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from McClellan-Palomar Airport (CLD) to Washington Dulles Intl. Airport (IAD)?
April is the least expensive month to fly from CLD to IAD. Planning your trip for the off-season is often the key to finding better fares.
Which airlines fly direct from McClellan-Palomar Airport (CLD) to Washington Dulles Intl. Airport (IAD)?
While Carlsbad, CA (CLD-McClellan-Palomar) doesn't offer any direct flights to Washington Dulles Intl. Airport (IAD), other airports have nonstop routes. Flying from San Diego Intl. Airport (SAN) will get you to Washington without any detours.
What is the cheapest airline that flies from McClellan-Palomar Airport (CLD) to Washington Dulles Intl. Airport (IAD)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest CLD to IAD flight.
How many flights per day from McClellan-Palomar Airport (CLD) to Washington Dulles Intl. Airport (IAD)?
You'll need to hop on a flight with a layover when traveling from McClellan-Palomar Airport (CLD) to Washington Dulles Intl. Airport (IAD). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from CLD to IAD?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from McClellan-Palomar Airport (CLD) to Washington Dulles Intl. Airport (IAD)?
To avoid possible delays on the McClellan-Palomar Airport (CLD) to Washington Dulles Intl. Airport (IAD) route, aim to fly before 3 PM. Later departures are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from McClellan-Palomar Airport (CLD) to Washington Dulles Intl. Airport (IAD) last-minute?
Last-minute bookings from CLD to IAD are generally more expensive. To lock in the lowest rates, start searching for flights ahead of time. That being said, if you're flexible with your travel plans, you may land a cheap fare right before your trip.
Is it cheaper to book a CLD to IAD flight and hotel package?
You can save money by securing a CLD to IAD flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've selected your ideal accommodations and flights, consider adding extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from McClellan-Palomar Airport (CLD) to Washington Dulles Intl. Airport (IAD)?
Typically, it's possible to cancel or reschedule your CLD to IAD flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
McClellan-Palomar
Destination airport
Washington Dulles Intl.
Airlines serving
United
Roundtrip price
$386
Distance
2243 mi

Book with confidence

Carlsbad to Washington Flights

The cheapest times to fly from Carlsbad to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Carlsbad to Washington are during the month of April. You can find some of the cheapest flights from Carlsbad to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Carlsbad to Washington

Sunday is one of the best days to book for cheap flights from Carlsbad to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Carlsbad to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Carlsbad to Washington in 2026. You can also book with separate airlines for your outbound and return journeys, from $144 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Carlsbad to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Carlsbad to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Carlsbad to Washington Flights

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