Reagan-National

$152+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — DCA
Jun 13 — Jun 201
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Find cheap flights from San Diego to Reagan-National with Cheapflights

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”

2. Select your favorite providers

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Cheapflights Tip: The best prices from San Diego to Washington, D.C. Reagan-National are usually found in January or February, booked 62 days in advance, depart on a Friday or Thursday and return on a Thursday

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 May 14, 2026.

This Trip.com deal was found by Cheapflights users on 5/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:25 am
SAN
-
DCA
1 stop7h 34m
Frontier
Sun 5/317:00 am
DCA
-
SAN
1 stop28h 42m
Frontier
Deal found 5/12$278
This Trip.com deal was found by Cheapflights users on 5/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/266:25 am
SAN
-
DCA
1 stop12h 34m
Frontier
Mon 6/296:00 pm
DCA
-
SAN
1 stop8h 53m
Frontier
Deal found 5/12$279
This Frontier deal was found by Cheapflights users on 5/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:37 am
SAN
-
DCA
1 stop9h 21m
Frontier
Sat 9/127:00 am
DCA
-
SAN
1 stop11h 41m
Frontier
Deal found 5/12$280
This Super.com deal was found by Cheapflights users on 5/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:37 am
SAN
-
DCA
1 stop28h 22m
Frontier
Sun 5/317:00 am
DCA
-
SAN
1 stop28h 42m
Frontier
Deal found 5/11$282
This Trip.com deal was found by Cheapflights users on 5/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/19:37 am
SAN
-
DCA
1 stop9h 21m
Frontier
Mon 6/86:00 pm
DCA
-
SAN
1 stop8h 50m
Frontier
Deal found 5/12$284
This Orbitz deal was found by Cheapflights users on 5/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:25 am
SAN
-
DCA
1 stop27h 34m
Frontier
Sat 6/61:59 pm
DCA
-
SAN
1 stop21h 43m
Frontier
Deal found 5/11$287
This Frontier deal was found by Cheapflights users on 5/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:25 am
SAN
-
DCA
1 stop12h 33m
Frontier
Mon 6/81:59 pm
DCA
-
SAN
1 stop12h 51m
Frontier
Deal found 5/12$290
This Trip.com deal was found by Cheapflights users on 5/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:37 am
SAN
-
DCA
1 stop9h 21m
Frontier
Wed 6/37:00 am
DCA
-
SAN
1 stop19h 50m
Frontier
Deal found 5/11$292
This Trip.com deal was found by Cheapflights users on 5/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/299:37 am
SAN
-
DCA
1 stop9h 21m
Frontier
Mon 6/87:00 am
DCA
-
SAN
1 stop19h 50m
Frontier
Deal found 5/9$293
This Super.com deal was found by Cheapflights users on 5/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/316:25 am
SAN
-
DCA
1 stop27h 34m
Frontier
Wed 6/37:00 am
DCA
-
SAN
1 stop19h 50m
Frontier
Deal found 5/12$294
This Trip.com deal was found by Cheapflights users on 5/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:37 am
SAN
-
DCA
1 stop9h 21m
Frontier
Mon 5/251:59 pm
DCA
-
SAN
1 stop21h 43m
Frontier
Deal found 5/11$299
This Frontier deal was found by Cheapflights users on 5/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:37 am
SAN
-
DCA
1 stop9h 21m
Frontier
Fri 5/291:59 pm
DCA
-
SAN
1 stop12h 51m
Frontier
Deal found 5/11$300

Find 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 May 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$278
(Trip.com)

One-way from

$152
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$397

Good round-trip deal

$387 or less

Good one-way deal

$268 or less
Provider with most accurate pricing for San Diego-Washington, D.C. Reagan-National flight deals.
Provider most trusted by Cheapflights users for San Diego-Washington, D.C. Reagan-National flights.
From San Diego to Washington, D.C. Reagan-National
One-way flight from San Diego to Washington, D.C. Reagan-National
Highest demand for flights based on searches. 10% potential increase in price ($40 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from San Diego to Washington, D.C. Reagan-National.
Price to beat on a one-way flight from San Diego to Washington, D.C. Reagan-National.

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 May 14, 2026.
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

Cheapest round-trip

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Thu 7/30

6:20 am-10:45 pm

2 stops13h 25m

Washington, D.C. Reagan-National

Tue 8/4

4:30 pm-8:45 pm

1 stop7h 15m

$368

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Fri 9/25

8:00 am-6:23 pm

1 stop7h 23m

Washington, D.C. Reagan-National

Tue 9/29

6:25 pm-10:44 pm

1 stop7h 19m

$407

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Sat 6/13

10:40 pm-8:45 am

1 stop7h 05m

Washington, D.C. Reagan-National

Mon 6/15

4:10 pm-10:25 pm

1 stop9h 15m

$417

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Wed 6/17

7:05 am-6:55 pm

1 stop8h 50m

Washington, D.C. Reagan-National

Thu 7/9

4:10 pm-9:20 pm

2 stops8h 10m

$422

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Fri 6/19

9:45 pm-1:50 pm

2 stops13h 05m

Washington, D.C. Reagan-National

Fri 6/26

6:55 pm-11:25 pm

1 stop7h 30m

$438

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Sat 6/20

8:25 pm-8:30 am

2 stops9h 05m

Washington, D.C. Reagan-National

Sun 6/28

6:10 am-12:30 pm

2 stops9h 20m

$477

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Sat 7/4

6:55 am-5:15 pm

1 stop7h 20m

Washington, D.C. Reagan-National

Sun 7/12

5:10 pm-10:35 pm

1 stop8h 25m

$477

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Thu 6/25

6:20 am-10:45 pm

2 stops13h 25m

Washington, D.C. Reagan-National

Mon 6/29

3:00 pm-8:25 pm

2 stops8h 25m

$483
Quickest round-trip

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Mon 6/22

10:40 pm-8:25 am

1 stop6h 45m

Washington, D.C. Reagan-National

Thu 6/25

6:55 pm-11:25 pm

1 stop7h 30m

$487

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Tue 6/16

10:40 pm-8:25 am

1 stop6h 45m

Washington, D.C. Reagan-National

Sun 6/21

12:00 pm-7:20 pm

2 stops10h 20m

$507

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/10

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust 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?

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 61 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, January is the cheapest month in which you can book a flight from San Diego to Washington, D.C. Reagan-National Airport (average of $296). Flying from San Diego to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $437). 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 May 14, 2026.

When flying from San Diego to Washington, D.C. Reagan-National Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from San Diego to Washington, D.C. Reagan-National Airport?

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 May 14, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andHawaiian 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.

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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 2 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 $404, Southwest can have you in Washington, D.C. Reagan-National Airport from San Diego in 7h 22m. 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?

    Frontier, at $138, 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 JetBlue and Southwest. You may be able to fly from San Diego to Washington, D.C. Reagan-National Airport for 61% 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 $85. Users have also found prices from $128 and $138 on Delta and Alaska Airlines, 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 $423, our data indicates the cheapest price to be $198. The most popular route (San Diego - Washington, D.C. Reagan-National), is priced around $234.

  • 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, January is the cheapest month in which you can book a flight from San Diego to Washington, D.C. Reagan-National Airport (average of $296). Flying from San Diego to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $437). 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 Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Alexandria
Tysons
Owings Mills
Springfield
Arlington
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Silver Spring
Hanover
Laurel
Woodbridge
Waldorf
Largo
Clinton
Hunt Valley
Cordova
Reston

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 8 airlines flying from San Diego to Reagan-National

Discover the top 8 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 May 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$138Average$279FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$147Average$276FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$222Average$364FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$237Average$391FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$256Average$396FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$257Average$327FlexibilityNo cancel feeOn-time85%
DeltaCheapest$266Average$416FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$276Average$396FlexibilityNo cancel feeOn-time69%

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