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Reagan-National

$132+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — DCA
Apr 16 — Apr 231
Wed 4/16
Wed 4/23
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Washington, D.C. Reagan-National are usually found in October or September, booked 87 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from San Diego to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$247
(Alaska Airlines)

One-way from

$132
(Trip.com)

Popular in

July

Cheapest in

October

Average price

$378

Good round-trip deal

$319 or less

Good one-way deal

$179 or less
Provider with most accurate pricing for San Diego-Washington, D.C. Reagan-National flight deals.
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Provider most trusted by Cheapflights users for San Diego-Washington, D.C. Reagan-National flights.
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From San Diego to Washington, D.C. Reagan-National
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One-way flight from San Diego to Washington, D.C. Reagan-National
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Highest demand for flights based on searches. 9% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from San Diego to Washington, D.C. Reagan-National.
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Price to beat on a one-way flight from San Diego to Washington, D.C. Reagan-National.
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Find 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 April 11, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/106:33 amSAN - DCA
1 stop7h 59mAlaska Airlines
Tue 5/209:59 amDCA - SAN
Nonstop5h 33mAlaska Airlines
Deal found 4/10$247
This Expedia deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/296:25 amSAN - DCA
1 stop7h 34mMultiple Airlines
Fri 5/29:59 amDCA - SAN
Nonstop5h 40mMultiple Airlines
Deal found 4/10$253
This United Airlines deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2710:30 pmSAN - DCA
1 stop7h 27mUnited Airlines
Sat 5/315:59 pmDCA - SAN
1 stop9h 16mUnited Airlines
Deal found 4/10$257
This JetBlue Airways deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/218:25 pmSAN - DCA
1 stop8h 35mJetBlue
Sun 5/2510:10 amDCA - SAN
1 stop12h 05mJetBlue
Deal found 4/10$267
This American Airlines deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/202:27 pmSAN - DCA
1 stop7h 19mAmerican Airlines
Fri 5/305:00 amDCA - SAN
1 stop8h 59mAmerican Airlines
Deal found 4/11$277
This Hawaiian Airlines deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/211:00 pmSAN - DCA
Nonstop5h 05mHawaiian Airlines
Sun 5/259:59 amDCA - SAN
Nonstop5h 33mHawaiian Airlines
Deal found 4/11$278
This FlightHub deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/86:25 amSAN - DCA
1 stop7h 34mFrontier
Thu 5/151:00 pmDCA - SAN
1 stop9h 54mFrontier
Deal found 4/10$279
This Delta deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/216:15 amSAN - DCA
1 stop6h 44mDelta
Mon 5/266:05 amDCA - SAN
1 stop9h 51mDelta
Deal found 4/11$287
This Southwest deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/88:05 amSAN - DCA
1 stop11h 05mSouthwest
Tue 5/134:25 pmDCA - SAN
2 stops9h 20mSouthwest
Deal found 4/9$288

Cheapflights Fare Finder

Customize your flight search to find flights from San Diego to Reagan-National that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 11, 2025.
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

San Diego

Fly to

Reagan-National

Route

Depart

Return

Price

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Sat 5/10

6:33 am-5:32 pm

1 stop7h 59m

Washington, D.C. Reagan-National

Tue 5/20

9:59 am-12:32 pm

Nonstop5h 33m

$247

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Tue 4/29

6:25 am-4:59 pm

1 stop7h 34m

Washington, D.C. Reagan-National

Fri 5/2

9:59 am-12:39 pm

Nonstop5h 40m

$253

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Tue 5/27

10:30 pm-8:57 am

1 stop7h 27m

Washington, D.C. Reagan-National

Sat 5/31

5:59 pm-12:15 am

1 stop9h 16m

$257

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Wed 5/21

8:25 pm-8:00 am

1 stop8h 35m

Washington, D.C. Reagan-National

Sun 5/25

10:10 am-7:15 pm

1 stop12h 05m

$267

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Tue 5/20

7:29 am-6:51 pm

1 stop8h 22m

Washington, D.C. Reagan-National

Fri 5/30

5:00 am-10:30 am

1 stop8h 30m

$277

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Thu 5/8

6:25 am-4:59 pm

1 stop7h 34m

Washington, D.C. Reagan-National

Thu 5/15

1:00 pm-7:54 pm

1 stop9h 54m

$279

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Tue 5/20

6:15 am-3:59 pm

1 stop6h 44m

Washington, D.C. Reagan-National

Mon 5/26

6:05 am-11:16 am

1 stop8h 11m

$287

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Mon 5/5

6:55 am-6:10 pm

1 stop8h 15m

Washington, D.C. Reagan-National

Wed 5/7

9:35 am-4:25 pm

2 stops9h 50m

$302

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Wed 5/21

6:15 am-5:38 pm

1 stop8h 23m

Washington, D.C. Reagan-National

Mon 5/26

9:59 am-12:32 pm

Nonstop5h 33m

$380

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Thu 4/24

9:08 pm-9:59 pm

2 stops21h 51m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 17 results
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Compare providers for flights from San Diego to Reagan-National

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

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

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Reagan-National. Price data was last updated on April 4, 2025.

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 87 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, February is the cheapest month in which you can book a flight from San Diego to Washington, D.C. Reagan-National Airport (average of $278). Flying from San Diego to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $345). 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?

Find hourly flight availability from San Diego to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 11, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 64% on flights from San Diego to Washington, D.C. Reagan-National Airport by exploring options for tickets in the afternoon.

What is the cheapest day to fly from San Diego to Washington, D.C. Reagan-National Airport?

Use this chart to determine the cheapest time to fly round-trip from San Diego to Reagan-National. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their San Diego to Washington, D.C. Reagan-National Airport flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Explore weekly flight availability from San Diego to Reagan-National. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 11, 2025.

The most flights from SAN to DCA are scheduled on a Monday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average rainfall totals by month.

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.

Temperature in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Reagan-National. Reviews last updated April 11, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from San Diego to Washington, D.C.. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,851 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,851 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,279 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,910 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,366 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,636 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

  • 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 9 different airlines.

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

    Alaska Airlines, at $247, 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 United Airlines and JetBlue. You may be able to fly from San Diego to Washington, D.C. Reagan-National Airport for 34% 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 $132. Users have also found prices from $139 and $144 on Delta 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 $768, our data indicates the cheapest price to be $169. The most popular route (San Diego - Washington, D.C. Reagan-National), is priced around $190.

  • 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, Paramount Theatre, or 16th Street Mall. Coors Field, Paramount Theatre, and 16th Street Mall can be visited by traveling about 18.4 mi, 18.6 mi, and 18.7 mi respectively from Denver Intl. Travelers in need of a car in Denver can rent one for about $45 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, February is the cheapest month in which you can book a flight from San Diego to Washington, D.C. Reagan-National Airport (average of $278). Flying from San Diego to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $345). 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.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
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Alternative routes for San Diego to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Reagan-National flights
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Top 9 airlines flying from San Diego to Reagan-National

Discover the top 9 airlines that operate flights from San Diego to Reagan-National. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$120Average$247FlexibilityNo cancel feeOn-time65%
FrontierCheapest$143Average$258FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$219Average$368FlexibilityNo cancel feeOn-time85%
JetBlueCheapest$235Average$445FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$236Average$447FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$257Average$416FlexibilityNo cancel feeOn-time69%
DeltaCheapest$276Average$396FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$276Average$431FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$291Average$529FlexibilityNo cancel feeOn-time63%

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