What is the most punctual flight time for San Diego to Washington, D.C. flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

Which airline has the best punctuality record on San Diego to Washington, D.C. flights?

Over the last year, Alaska Airlines have had the lowest number of delays on this route, with just 28% of flights being delayed.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

How often are flights from San Diego to Washington, D.C. delayed?

About 28% of weekly flights between San Diego and Washington, D.C. have experienced delays in the past year, with the average delay time being 140 minutes.

What are the cheapest airlines flying from San Diego to Washington, D.C. Reagan-National Airport round-trip?

JetBlue, at $147, was found to be the cheapest airline from San Diego to Washington, D.C. Reagan-National Airport.Alternate airlines to your destination round-trip include Frontier and Delta. You may be able to fly from San Diego to Washington, D.C. Reagan-National Airport for 58% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from San Diego to Washington, D.C. Reagan-National Airport one-way?

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $83. Users have also found prices from $118 and $123 on Hawaiian Airlines and JetBlue, respectively.

Weekly flight availability from San Diego to Washington, D.C. Reagan-National Airport

The most flights from SAN to DCA are scheduled on a Monday (4 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the cheapest flights from San Diego to Washington, D.C. Reagan-National Airport?

Looking for the cheapest flight from San Diego to Washington, D.C. Reagan-National Airport? While on average our users pay $343, our data indicates the cheapest price to be $128. The most popular route (San Diego - Washington, D.C. Reagan-National), is priced around $207.

What are the most popular airlines that fly from San Diego to Washington, D.C. Reagan-National Airport?

When booking a flight from San Diego to Washington, D.C. Reagan-National Airport, you may want to consider flying on Alaska Airlines, Frontier or Hawaiian Airlines as they are the most popular for this route.

Where are the most common layover locations when flying from San Diego to Washington, D.C. Reagan-National Airport?

Most of the time, San Diego to Washington, D.C. Reagan-National Airport flights that have layovers will stop in Denver.

Where are the least popular layover locations for San Diego to Washington, D.C. Reagan-National Airport flights?

San Diego to Washington, D.C. Reagan-National Airport flights have a layover in Chicago least often.

What are some popular things to do or see while on a layover in Denver?

If you're on a layover in Denver and looking for things to do, consider visiting Coors Field, 16th Street Mall, or Paramount Theatre. Coors Field, 16th Street Mall, and Paramount Theatre can be visited by traveling about 18.4 mi, 18.7 mi, and 18.6 mi respectively from Denver Intl. Travelers in need of a car in Denver can rent one for about $44 per day.

Most accurate provider : When it comes to deals on San Diego-Washington, D.C. Reagan-National Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Diego-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Diego-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on San Diego-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Washington, D.C. Reagan-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from San Diego to Washington, D.C. Reagan-National?

If you book a flight to Washington, D.C. Reagan-National from San Diego, you will be flying from San Diego, which is the city’s only airport. San Diego (SAN) is located 2.6 mi from the center of San Diego. There are 3 flights from San Diego to Washington, D.C. Reagan-National per day from 8 different airlines.

Can I find deals for flights from San Diego to Reagan-National that include hotel bookings?

Yes. In addition to deals on San Diego to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from San Diego to Reagan-National?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Reagan-National.

Can I find deals for business class flights from San Diego to Reagan-National?

Yes. Cheapflights offers flight deals from San Diego to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$133+ Flights from San Diego to Washington, D.C. Reagan-National Airport

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheapflights Tip: The best prices from San Diego to Washington, D.C. Reagan-National are usually found in August or September, booked 48 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap flight deals from San Diego to Reagan-National

Cheapest flights from San Diego to Reagan-National
Explore the most affordable flight options available from San Diego to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 26, 2025.

Thu 12/256:25 amSAN - DCA

1 stop7h 34mFrontier

Thu 1/16:00 pmDCA - SAN

1 stop8h 59mFrontier

Deal found 12/24

$304

Thu 12/256:25 amSAN - DCA

1 stop7h 34mFrontier

Thu 1/86:00 pmDCA - SAN

1 stop8h 59mFrontier

Deal found 12/24

$305

Thu 12/256:25 amSAN - DCA

1 stop7h 34mFrontier

Wed 12/312:00 pmDCA - SAN

1 stop12h 59mFrontier

Deal found 12/24

$324

Sun 12/284:47 pmSAN - DCA

1 stop26h 12mFrontier

Tue 1/138:00 amDCA - SAN

1 stop18h 07mFrontier

Deal found 12/24

$334

Fri 12/266:25 amSAN - DCA

1 stop7h 34mFrontier

Tue 1/138:00 amDCA - SAN

1 stop12h 09mFrontier

Deal found 12/24

$342

Sat 12/276:25 amSAN - DCA

1 stop12h 34mFrontier

Thu 1/16:00 pmDCA - SAN

1 stop8h 59mFrontier

Deal found 12/24

$373

Fri 12/266:25 amSAN - DCA

1 stop7h 34mFrontier

Mon 1/52:00 pmDCA - SAN

1 stop27h 34mFrontier

Deal found 12/26

$382

Thu 12/256:25 amSAN - DCA

1 stop7h 34mFrontier

Sat 12/276:00 pmDCA - SAN

1 stop8h 59mFrontier

Deal found 12/24

$393

Tue 12/304:47 pmSAN - DCA

1 stop26h 12mFrontier

Tue 1/68:59 amDCA - SAN

1 stop8h 35mFrontier

Deal found 12/25

$408

Fri 12/266:25 amSAN - DCA

1 stop12h 34mFrontier

Wed 12/312:00 pmDCA - SAN

1 stop12h 59mFrontier

Deal found 12/24

$413

Tue 12/304:47 pmSAN - DCA

1 stop26h 12mFrontier

Sun 1/46:00 pmDCA - SAN

1 stop28h 15mFrontier

Deal found 12/25

$418

Mon 12/296:25 amSAN - DCA

1 stop12h 34mFrontier

Sat 1/36:00 pmDCA - SAN

1 stop8h 59mFrontier

Deal found 12/24

$422

Best flights from San Diego to Reagan-National
Discover carefully curated flight deals from San Diego to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 26, 2025.

Fri 1/164:56 pmSAN - DCA

1 stop17h 06mFrontier

Sun 1/186:00 pmDCA - SAN

2 stops19h 13mFrontier

Deal found 12/26

$251

Thu 5/712:46 pmSAN - DCA

Nonstop5h 14mAlaska Airlines

Tue 5/128:59 amDCA - SAN

Nonstop5h 42mAlaska Airlines

Deal found 12/24

$257

Tue 3/316:20 amSAN - DCA

1 stop9h 05mSouthwest

Mon 4/65:45 pmDCA - SAN

1 stop7h 55mSouthwest

Deal found 12/25

$262

Fri 2/278:35 amSAN - DCA

1 stop10h 24mFrontier

Sun 3/16:00 pmDCA - SAN

1 stop9h 08mFrontier

Deal found 12/26

$252

Wed 4/2912:46 pmSAN - DCA

Nonstop5h 14mAlaska Airlines

Mon 5/48:59 amDCA - SAN

Nonstop5h 42mAlaska Airlines

Deal found 12/25

$257

Tue 3/176:30 amSAN - DCA

1 stop9h 50mSouthwest

Thu 3/1912:45 pmDCA - SAN

1 stop10h 30mSouthwest

Deal found 12/24

$267

Sat 1/2412:53 pmSAN - DCA

Nonstop5h 07mAlaska Airlines

Sun 1/258:59 amDCA - SAN

Nonstop5h 57mAlaska Airlines

Deal found 12/25

$257

Fri 3/612:45 pmSAN - DCA

Nonstop5h 17mAlaska Airlines

Wed 3/118:59 amDCA - SAN

Nonstop5h 44mAlaska Airlines

Deal found 12/24

$257

Mon 2/212:53 pmSAN - DCA

Nonstop5h 07mAlaska Airlines

Tue 2/108:59 amDCA - SAN

Nonstop5h 57mAlaska Airlines

Deal found 12/25

$257

Fri 1/1612:53 pmSAN - DCA

Nonstop5h 07mAlaska Airlines

Tue 1/208:59 amDCA - SAN

Nonstop5h 57mAlaska Airlines

Deal found 12/24

$257

Sat 1/2412:53 pmSAN - DCA

Nonstop5h 07mAlaska Airlines

Mon 1/268:59 amDCA - SAN

Nonstop5h 57mAlaska Airlines

Deal found 12/25

$257

Wed 1/1412:53 pmSAN - DCA

Nonstop5h 07mAlaska Airlines

Sun 1/188:59 amDCA - SAN

Nonstop5h 57mAlaska Airlines

Deal found 12/24

$257

Last-minute flights from San Diego to Reagan-National
Discover last-minute flight deals from San Diego to Reagan-National. Data last updated December 26, 2025 and is based on user searches.

Tue 1/67:00 amSAN - DCA

1 stop11h 59mFrontier

Thu 1/152:00 pmDCA - SAN

1 stop13h 15mFrontier

Deal found 12/24

$258

Fri 1/96:36 amSAN - DCA

1 stop12h 23mFrontier

Sun 1/116:00 pmDCA - SAN

1 stop8h 59mFrontier

Deal found 12/24

$252

Fri 1/96:36 amSAN - DCA

1 stop7h 23mFrontier

Fri 1/162:00 pmDCA - SAN

1 stop8h 36mFrontier

Deal found 12/25

$271

Fri 1/92:50 pmSAN - DCA

2 stops19h 11mFrontier

Tue 1/132:00 pmDCA - SAN

1 stop30h 09mFrontier

Deal found 12/25

$282

Wed 1/141:35 pmSAN - DCA

2 stops20h 27mFrontier

Sat 1/172:00 pmDCA - SAN

1 stop12h 07mFrontier

Deal found 12/25

$251

Fri 1/166:55 amSAN - DCA

1 stop6h 45mSouthwest

Tue 1/2011:00 amDCA - SAN

2 stops10h 40mSouthwest

Deal found 12/25

$272

Fri 1/1612:40 pmSAN - DCA

1 stop7h 54mAmerican Airlines

Mon 1/194:43 pmDCA - SAN

1 stop9h 15mAmerican Airlines

Deal found 12/25

$276

Sat 1/179:37 amSAN - DCA

1 stop9h 22mAlaska Airlines

Sat 1/248:59 amDCA - SAN

Nonstop5h 57mAlaska Airlines

Deal found 12/24

$256

Thu 1/2212:53 pmSAN - DCA

Nonstop5h 07mAlaska Airlines

Thu 1/298:59 amDCA - SAN

Nonstop5h 57mAlaska Airlines

Deal found 12/24

$277

Fri 1/2312:53 pmSAN - DCA

Nonstop5h 07mMultiple Airlines

Sun 1/256:00 pmDCA - SAN

1 stop9h 08mMultiple Airlines

Deal found 12/25

$266

Sat 1/2412:53 pmSAN - DCA

Nonstop5h 07mAlaska Airlines

Mon 1/268:59 amDCA - SAN

Nonstop5h 57mAlaska Airlines

Deal found 12/25

$257

Mon 1/2612:53 pmSAN - DCA

Nonstop5h 07mMultiple Airlines

Fri 1/302:00 pmDCA - SAN

1 stop8h 21mMultiple Airlines

Deal found 12/23

$268

One-way flights from San Diego to Reagan-National
Search for one-way flight options from San Diego to Reagan-National. Find affordable one-way fares based on user searches. Data last updated December 26, 2025.

Mon 3/168:36 pmSAN - DCA

1 stop10h 20mJetBlue

Deal found 12/24

$133

Mon 1/1911:08 amSAN - DCA

2 stops46h 54mFrontier

Deal found 12/26

$134

Sun 1/259:45 pmSAN - DCA

2 stops21h 14mFrontier

Deal found 12/25

$135

Mon 1/128:32 pmSAN - DCA

2 stops22h 27mFrontier

Deal found 12/24

$136

Sun 3/88:42 pmSAN - DCA

1 stop8h 19mJetBlue

Deal found 12/24

$137

Sun 1/112:50 pmSAN - DCA

2 stops19h 11mFrontier

Deal found 12/26

$138

Mon 1/1910:30 pmSAN - DCA

1 stop7h 40mDelta

Deal found 12/26

$139

Mon 4/67:21 pmSAN - DCA

2 stops23h 38mFrontier

Deal found 12/25

$140

Mon 1/198:26 pmSAN - DCA

3 stops41h 33mMultiple Airlines

Deal found 12/25

$141

Fri 3/68:30 amSAN - DCA

2 stops11h 25mSouthwest

Deal found 12/26

$144

Tue 1/69:44 amSAN - DCA

2 stops33h 15mFrontier

Deal found 12/24

$146

Find flight deals from San Diego to Reagan-National

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$251 (Kiwi.com)
One-way from	$133 (Expedia)
Popular in	December
Cheapest in	August
Average price	$403
Good round-trip deal	$257 or less
Good one-way deal	$178 or less

Provider with most accurate pricing for San Diego-Washington, D.C. Reagan-National flight deals.

Search Deals

Provider most trusted by Cheapflights users for San Diego-Washington, D.C. Reagan-National flights.

Search Deals

From San Diego to Washington, D.C. Reagan-National

Search Deals

One-way flight from San Diego to Washington, D.C. Reagan-National

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($15 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from San Diego to Washington, D.C. Reagan-National.

Search Deals

Price to beat on a one-way flight from San Diego to Washington, D.C. Reagan-National.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Diego to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Fri 1/16

4:56 pm-1:02 pm

1 stop17h 06m

Washington, D.C. Reagan-National

Sun 1/18

6:00 pm-10:13 am

2 stops19h 13m

$251

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Fri 2/27

8:35 am-9:59 pm

1 stop10h 24m

Washington, D.C. Reagan-National

Sun 3/1

6:00 pm-12:08 am

1 stop9h 08m

$252

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Thu 5/7

12:46 pm-9:00 pm

Nonstop5h 14m

Washington, D.C. Reagan-National

Tue 5/12

8:59 am-11:41 am

Nonstop5h 42m

$257

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Wed 4/29

12:46 pm-9:00 pm

Nonstop5h 14m

Washington, D.C. Reagan-National

Mon 5/4

8:59 am-11:41 am

Nonstop5h 42m

$257

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Sat 1/24

12:53 pm-9:00 pm

Nonstop5h 07m

Washington, D.C. Reagan-National

Sun 1/25

8:59 am-11:56 am

Nonstop5h 57m

$257

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Fri 3/6

12:45 pm-9:02 pm

Nonstop5h 17m

Washington, D.C. Reagan-National

Wed 3/11

8:59 am-11:43 am

Nonstop5h 44m

$257

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Mon 2/2

12:53 pm-9:00 pm

Nonstop5h 07m

Washington, D.C. Reagan-National

Tue 2/10

8:59 am-11:56 am

Nonstop5h 57m

$257

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Fri 1/16

12:53 pm-9:00 pm

Nonstop5h 07m

Washington, D.C. Reagan-National

Tue 1/20

8:59 am-11:56 am

Nonstop5h 57m

$257

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Sat 1/24

12:53 pm-9:00 pm

Nonstop5h 07m

Washington, D.C. Reagan-National

Mon 1/26

8:59 am-11:56 am

Nonstop5h 57m

$257

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Wed 1/14

12:53 pm-9:00 pm

Nonstop5h 07m

Washington, D.C. Reagan-National

Sun 1/18

8:59 am-11:56 am

Nonstop5h 57m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 22 results

Compare providers for flights from San Diego to Reagan-National

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Reagan-National in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
Trip.com	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on San Diego-Washington, D.C. Reagan-National Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Diego-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Diego-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on San Diego-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Washington, D.C. Reagan-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Diego to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from San Diego with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Diego to Washington, D.C. Reagan-National Airport

Prices

Airlines

Delays

How far ahead should I book a flight from San Diego to Washington, D.C. Reagan-National Airport?

The price you pay for your flight from San Diego to Washington, D.C. Reagan-National Airport may vary depending on when you book. For the best chance of a lower fare, look to book 48 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Diego to Washington, D.C. Reagan-National Airport?

Currently, June is the cheapest month in which you can book a flight from San Diego to Washington, D.C. Reagan-National Airport (average of $99). Flying from San Diego to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of $233). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SAN to DCA?

Unlike in the evening, when flights are generally more expensive, you can save up to 51% on flights from San Diego to Washington, D.C. Reagan-National Airport by exploring options for tickets in the afternoon.

Reviews of airlines servicing Reagan-National

Read reviews from past customers who have flown Alaska Airlines, Southwest, and Hawaiian Airlines from San Diego to Washington, D.C. Reagan-National Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

11,542 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Alaska Airlines

8.0

Very good

11,542 reviews

Alaska Airlines

8.0

Very good

11,542 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

Southwest

8.0

Very good

4,258 reviews

Alaska Airlines

8.0

Very good

11,542 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

Hawaiian Airlines

7.8

Good

2,820 reviews

Alaska Airlines

8.0

Very good

11,542 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

American Airlines

7.2

Good

11,066 reviews

Alaska Airlines

8.0

Very good

11,542 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

Frontier

5.8

Fair

3,070 reviews

Alaska Airlines

8.0

Very good

11,542 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

Related info for your journey

What airport do you fly from for flights from San Diego to Washington, D.C. Reagan-National?
If you book a flight to Washington, D.C. Reagan-National from San Diego, you will be flying from San Diego, which is the city’s only airport. San Diego (SAN) is located 2.6 mi from the center of San Diego. There are 3 flights from San Diego to Washington, D.C. Reagan-National per day from 8 different airlines.
How long is the flight from San Diego to Washington, D.C. Reagan-National Airport?
For as low as $257, Frontier can have you in Washington, D.C. Reagan-National Airport from San Diego in 5h 14m. The distance from San Diego to Washington, D.C. Reagan-National Airport is about 2270 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from San Diego to Washington, D.C. Reagan-National Airport round-trip?
JetBlue, at $147, was found to be the cheapest airline from San Diego to Washington, D.C. Reagan-National Airport.Alternate airlines to your destination round-trip include Frontier and Delta. You may be able to fly from San Diego to Washington, D.C. Reagan-National Airport for 58% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from San Diego to Washington, D.C. Reagan-National Airport one-way?
For one-way options, check prices for Frontier. According to our data, you can fly for as low as $83. Users have also found prices from $118 and $123 on Hawaiian Airlines and JetBlue, respectively.
What are the cheapest flights from San Diego to Washington, D.C. Reagan-National Airport?
Looking for the cheapest flight from San Diego to Washington, D.C. Reagan-National Airport? While on average our users pay $343, our data indicates the cheapest price to be $128. The most popular route (San Diego - Washington, D.C. Reagan-National), is priced around $207.
Where are the most common layover locations when flying from San Diego to Washington, D.C. Reagan-National Airport?
Most of the time, San Diego to Washington, D.C. Reagan-National Airport flights that have layovers will stop in Denver.
What are some popular things to do or see while on a layover in Denver?
If you're on a layover in Denver and looking for things to do, consider visiting Coors Field, 16th Street Mall, or Paramount Theatre. Coors Field, 16th Street Mall, and Paramount Theatre can be visited by traveling about 18.4 mi, 18.7 mi, and 18.6 mi respectively from Denver Intl. Travelers in need of a car in Denver can rent one for about $44 per day.
Where are the least popular layover locations for San Diego to Washington, D.C. Reagan-National Airport flights?
San Diego to Washington, D.C. Reagan-National Airport flights have a layover in Chicago least often.
Can I find deals for flights from San Diego to Reagan-National that include hotel bookings?
Yes. In addition to deals on San Diego to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Diego to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Reagan-National.
Can I find deals for business class flights from San Diego to Reagan-National?
Yes. Cheapflights offers flight deals from San Diego to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from San Diego to Washington, D.C. Reagan-National Airport?
Currently, June is the cheapest month in which you can book a flight from San Diego to Washington, D.C. Reagan-National Airport (average of $99). Flying from San Diego to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of $233). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 8 airlines flying from San Diego to Reagan-National

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$150	Average$274	FlexibilityNo cancel fee	On-time62%
JetBlue	Cheapest$224	Average$288	FlexibilityNo cancel fee	On-time62%
Alaska Airlines	Cheapest$237	Average$401	FlexibilityNo cancel fee	On-time75%
Southwest	Cheapest$256	Average$409	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$256	Average$375	FlexibilityNo cancel fee	On-time71%
Hawaiian Airlines	Cheapest$257	Average$346	FlexibilityNo cancel fee	On-time85%
United Airlines	Cheapest$276	Average$380	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$276	Average$379	FlexibilityNo cancel fee	On-timeN/A

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$133+ Cheap flights from San Diego (SAN) to Reagan-National (DCA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/16. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from San Diego to Washington, D.C. Reagan-National are usually found in August or September, booked 48 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap flight deals from San Diego to Reagan-National

Cheapest flights from San Diego to Reagan-NationalExplore the most affordable flight options available from San Diego to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 26, 2025.

Explore the most affordable flight options available from San Diego to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 26, 2025.

Find flight deals from San Diego to Reagan-National

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Use the filters below to find and compare flights from San Diego to Washington, D.C. Reagan-National Airport that are best for you.

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Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Reagan-National in December.

Best time to book a flight from San Diego to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from San Diego with our price prediction graph.

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Everything you need to know about your flight from San Diego to Washington, D.C. Reagan-National Airport

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Weekly flight availability from San Diego to Washington, D.C. Reagan-National Airport

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Reviews of airlines servicing Reagan-National

Related info for your journey

Find useful and relevant information for your journey from San Diego to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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What are the cheapest flights from San Diego to Washington, D.C. Reagan-National Airport?

Where are the most common layover locations when flying from San Diego to Washington, D.C. Reagan-National Airport?

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Alternative routes for San Diego to Reagan-National

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Top 8 airlines flying from San Diego to Reagan-National

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Cheapest flights from San Diego to Reagan-National
Explore the most affordable flight options available from San Diego to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 26, 2025.