SAN - DCA

$183 Find Cheap Flights from San Diego to Reagan Washington National Airport - Compare and Save

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Everything you should know

Cheapest round-trip
$341
Typical prices: $300-$512
Southwest
Tue 12/11Fri 12/14
SAN - DCA • 2 stops
Cheapest non-stop
$356
Typical prices: $346-$541
Alaska Airlines
Sun 12/9Sun 12/16
SAN - DCA • Non-stop
Nonstop flights
You can fly direct with Alaska Airlines. Average duration is 5h 02m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 75% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 16 weeks in advance save around 36% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 30% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $309 (round-trip)
Shortest trip • 6h 58m (one-way)
Insights
Insights
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We hope you love your trip to Washington, D.C. Reagan-National Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from San Diego to Reagan-National (SAN-DCA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Diego to Reagan-National

Fri, Dec 11 - Mon, Dec 14
Southwest Logo
8:45 am - 8:55 pmSAN  San Diego-DCA Washington, D.C. Reagan-National
9h 10m2 stops Tucson Dallas Love Field
Southwest Logo
11:40 am - 6:55 pmDCA  Washington, D.C. Reagan-National-SAN San Diego
10h 15m2 stops Houston Hobby San Antonio
$341Southwest
Thu, Nov 19 - Mon, Nov 23
Frontier Logo
7:38 pm - 4:57 pmSAN  San Diego-DCA Washington, D.C. Reagan-National
18h 19m2 stops Phoenix Sky Harbor Intl Denver Intl
Frontier Logo
7:00 am - 4:34 pmDCA  Washington, D.C. Reagan-National-SAN San Diego
12h 34m1 stop Denver Intl
$342Frontier
Tue, Dec 1 - Thu, Dec 3
Frontier Logo
7:51 pm - 9:55 pmSAN  San Diego-DCA Washington, D.C. Reagan-National
23h 04m2 stops San Francisco Denver Intl
Frontier Logo
6:00 pm - 6:10 pmDCA  Washington, D.C. Reagan-National-SAN San Diego
27h 10m2 stops Denver Intl Phoenix Sky Harbor Intl
$342Frontier
Sun, Dec 13 - Wed, Dec 16
Southwest Logo
6:15 am - 3:55 pmSAN  San Diego-DCA Washington, D.C. Reagan-National
6h 40m1 stop Austin Bergstrom
Southwest Logo
6:05 am - 11:50 amDCA  Washington, D.C. Reagan-National-SAN San Diego
8h 45m2 stops Nashville Intl Dallas Love Field
$345Southwest
Thu, Nov 26 - Fri, Dec 4
Multiple Airlines Logo
6:30 am - 12:59 pmSAN  San Diego-DCA Washington, D.C. Reagan-National
27h 29m1 stop Denver Intl
Multiple Airlines Logo
10:59 am - 1:58 pmDCA  Washington, D.C. Reagan-National-SAN San Diego
5h 59mnonstop
$345Multiple Airlines
Sat, Nov 21 - Tue, Nov 24
American Airlines Logo
10:45 pm - 11:49 amSAN  San Diego-DCA Washington, D.C. Reagan-National
10h 04m1 stop Chicago O'Hare Intl
American Airlines Logo
1:44 pm - 9:45 pmDCA  Washington, D.C. Reagan-National-SAN San Diego
11h 01m1 stop Philadelphia
$346American Airlines
Sat, Nov 21 - Wed, Nov 25
American Airlines Logo
10:45 pm - 10:52 amSAN  San Diego-DCA Washington, D.C. Reagan-National
9h 07m1 stop Chicago O'Hare Intl
American Airlines Logo
1:44 pm - 9:45 pmDCA  Washington, D.C. Reagan-National-SAN San Diego
11h 01m1 stop Philadelphia
$346American Airlines
Fri, Nov 13 - Wed, Nov 18
Multiple Airlines Logo
6:25 am - 4:47 pmSAN  San Diego-DCA Washington, D.C. Reagan-National
7h 22m1 stop Denver Intl
Multiple Airlines Logo
8:59 pm - 9:40 amDCA  Washington, D.C. Reagan-National-SAN San Diego
15h 41m1 stop Boston Logan Intl
$346Multiple Airlines
Wed, Dec 9 - Wed, Dec 16
Alaska Airlines Logo
12:58 pm - 9:00 pmSAN  San Diego-DCA Washington, D.C. Reagan-National
5h 02mnonstop
Alaska Airlines Logo
10:59 am - 1:58 pmDCA  Washington, D.C. Reagan-National-SAN San Diego
5h 59mnonstop
$356Alaska Airlines
Sat, Dec 26 - Wed, Dec 30
Alaska Airlines Logo
1:07 pm - 9:00 pmSAN  San Diego-DCA Washington, D.C. Reagan-National
4h 53mnonstop
Alaska Airlines Logo
10:59 am - 1:54 pmDCA  Washington, D.C. Reagan-National-SAN San Diego
5h 55mnonstop
$357Alaska Airlines
Booking Insights

Price, demand and travel trends for San Diego to Washington, D.C. Reagan-National Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from San Diego to Washington, D.C. Reagan-National Airport?

Round-trip flights from San Diego to Washington, D.C. Reagan-National Airport typically range from $300 to $512. The lowest price found in the past 5 days was $341, on Southwest.

What's the cheapest day of the week to fly from San Diego to Washington, D.C. Reagan-National Airport?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from San Diego to Washington, D.C. Reagan-National Airport. It’s 9% cheaper than the average day, while Monday is the most expensive, with prices 26% higher.

What’s the cheapest month to fly from San Diego to Washington, D.C. Reagan-National Airport?

•January is the cheapest month to fly from San Diego to Washington, D.C. Reagan-National Airport at $272 round-trip.
•July ($487) and October ($452) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 79% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from San Diego to Washington, D.C. Reagan-National Airport are cheapest 16 weeks before departure. Booking in this window typically costs about 36% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from San Diego to Reagan-National

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on SAN

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Ramsey Qubein

Ramsey Qubein

Expert on DCA

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Key details for San Diego to Washington, D.C. Reagan-National Airport flights

Low season

September

Cheapest flight

$183
Beat the crowds with an average 34% drop in travelers.
The most popular month to fly with an average 22% increase in travelers.
One-way flight from San Diego to Washington, D.C. Reagan-National Airport

When to book flights from San Diego to Reagan-National

Are your dates flexible? Find out the best times to travel from San Diego to Reagan-National based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your San Diego to Washington, D.C. Reagan-National Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from San Diego to Washington, D.C. Reagan-National Airport?

    These are the earliest and latest flight times available from San Diego to Washington, D.C. Reagan-National Airport:

    • Earliest: departs at 12:45 pm and lands at 5:47 pm
    • Latest: departs at 1:07 pm and lands at 6:09 pm.

    The flight takes about 5h 02m.

  • What cabin classes can I book on flights from San Diego to Washington, D.C. Reagan-National Airport?

    Four cabin classes are available on flights from San Diego to Washington, D.C. Reagan-National Airport:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from San Diego to Washington, D.C. Reagan-National Airport?

    A nonstop flight from San Diego to Washington, D.C. Reagan-National Airport takes 5h 02m, covering 2,270 miles.

  • Do I need a passport to fly from San Diego to Washington, D.C. Reagan-National Airport?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a San Diego to Washington, D.C. Reagan-National Airport flight?

    Round-trip flights from San Diego to Washington, D.C. Reagan-National Airport range from $300 to $512, with an average of $391 over the past 12 months. Anything below $300 counts as a good deal.

  • How expensive are last-minute San Diego to Washington, D.C. Reagan-National Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 27% above the $391 route average. Book 16 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from San Diego to Washington, D.C. Reagan-National Airport?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $309 round-trip via Newark (EWR), compared to $417 for nonstop.

  • How does on-time performance compare across airlines flying from San Diego to Washington, D.C. Reagan-National Airport?

    Alaska Airlines is the only airline operating San Diego to Washington, D.C. Reagan-National Airport flights. 75% of its flights are on time.

  • What is the standard checked-bag allowance on flights from San Diego to Washington, D.C. Reagan-National Airport?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from San Diego to Washington, D.C. Reagan-National Airport?

    The Boeing 737-800 Passenger/BBJ2 (winglets) family is used most often on this route, operated mainly by Alaska Airlines and Southwest. Other aircraft seen on the route include Boeing 737 MAX 9 variants.

  • How are flight departures from San Diego to Washington, D.C. Reagan-National Airport spread across the day?

    Afternoon is the busiest departure period on San Diego to Washington, D.C. Reagan-National Airport flights, with 100% of flights leaving in that window. Morning departures account for 0%, evening flights for 0%, and night flights for 0%.

  • Have flight prices from San Diego to Washington, D.C. Reagan-National Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $341 to $3,044. That means the highest observed fare was about 9x higher than the lowest one.

  • Which airlines offer Wi-Fi on San Diego to Washington, D.C. Reagan-National Airport flights?

    Alaska Airlines is the only airline on the San Diego to Washington, D.C. Reagan-National Airport route offering in-flight Wi-Fi. Pricing depends on fare class.

  • How are flight prices from San Diego to Washington, D.C. Reagan-National Airport looking right now?

    One-way fares from San Diego to Washington, D.C. Reagan-National Airport are currently lower than usual. Average one-way flight prices are about $191, which is 28% below the typical average for this route.

  • What car rental options are available at Washington, D.C. Reagan-National Airport (DCA)?

    Washington, D.C. Reagan-National Airport (DCA) hosts 5 major car rental companies, with daily rates averaging $71 for economy cars. Top options include:

    • Sixt
    • Dollar
    • Thrifty
    • Hertz
    • Alamo

  • Which airports can I use when flying from San Diego to Washington, D.C. Reagan-National Airport?

    Flights from San Diego to Washington, D.C. Reagan-National Airport usually depart from San Diego (SAN) and arrive at Washington, D.C. Reagan-National (DCA).

  • What time of day has the fewest delays on flights from San Diego to Washington, D.C. Reagan-National Airport?

    Afternoon flights have the fewest delays on this route.

  • At what point is a flight considered delayed from San Diego to Washington, D.C. Reagan-National Airport?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the San Diego to Washington, D.C. Reagan-National Airport route, 25% of flights were delayed in the past 3 months, with delays averaging 2h 51m.

  • Which airports do connecting flights from San Diego to Washington, D.C. Reagan-National Airport pass through?

    One-stop flights from San Diego to Washington, D.C. Reagan-National Airport most commonly connect through:

    • Denver Intl (DEN) - 68% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 9% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 4% of one-stop connections
    • Boston Logan Intl (BOS) - 4% of one-stop connections

  • Can I save money by using flexible dates for flights from San Diego to Washington, D.C. Reagan-National Airport?

    Yes. Flexible dates can save you up to 28% on flights from San Diego to Washington, D.C. Reagan-National Airport. Thursday is the cheapest departure day at $359 round-trip on average, while Monday is the most expensive at $495, a difference of $136.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from San Diego to Washington, D.C. Reagan-National Airport?

    Only Alaska Airlines operates flights between San Diego and Washington, D.C. Reagan-National Airport.

  • How much time can I save by choosing a different layover airport from San Diego to Washington, D.C. Reagan-National Airport?

    Flying via Austin Bergstrom (AUS) gives the shortest average 1-stop total travel time at 6h 58m, compared with 7h 01m via Lambert-St Louis (STL) and 7h 08m via Dallas Love Field (DAL).

  • What is the time difference between San Diego and Washington, D.C. Reagan-National Airport?

    Washington, D.C. Reagan-National Airport is 3 hours ahead of San Diego (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Washington, D.C. Reagan-National Airport?

    Some of the most popular sights in Washington, D.C. Reagan-National Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Reagan-National Airport on KAYAK.

  • Which airlines offer extra legroom and free seat selection on San Diego to Washington, D.C. Reagan-National Airport flights?

    Among airlines operating San Diego to Washington, D.C. Reagan-National Airport flights:

    • Alaska Airlines: offers extra legroom; offers free seat selection
    • Southwest: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on San Diego to Washington, D.C. Reagan-National Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Alaska Airlines: a cabin bag and a checked bag in Economy Class
    • Hawaiian Airlines: a cabin bag in Economy Class class
    • Southwest: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking San Diego to Washington, D.C. Reagan-National Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Monday. On this route, Thursday flights average $359, about $136 less than Monday fares (27% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 16 weeks before you fly. On this route, that window historically saves about 36% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your San Diego to Washington, D.C. Reagan-National Airport trip for January. Fares historically average $272 round-trip in that month - typically $215 less than the most expensive month, which is July (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Newark Airport (EWR) can be cheaper than flying direct. The cheapest layover option averages $309 round-trip on this route - about $109 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Washington, D.C. Reagan-National Airport.

    • Hyatt House Washington DC The Wharf
    • Intercontinental Hotels Washington D.C. - The Wharf By IHG
    • Canopy by Hilton Washington D.C - The Wharf

Prefer to fly direct from San Diego to Reagan Washington National Airport?

 
Find which airlines fly direct from San Diego Airport to Washington, D.C. Reagan-National Airport, which days they fly and book direct flights.

Direct departures

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

Monday

Alaska Airlines

Alaska Airlines

Tuesday

Alaska Airlines

Alaska Airlines

Wednesday

Alaska Airlines

Alaska Airlines

Thursday

Alaska Airlines

Alaska Airlines

Friday

Alaska Airlines

Alaska Airlines

Saturday

Alaska Airlines

Alaska Airlines

Sunday

Alaska Airlines

Alaska Airlines

See more direct flights

Direct returns

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

Monday

Alaska Airlines

Alaska Airlines

Tuesday

Alaska Airlines

Alaska Airlines

Wednesday

Alaska Airlines

Alaska Airlines

Thursday

Alaska Airlines

Alaska Airlines

Friday

Alaska Airlines

Alaska Airlines

Saturday

Alaska Airlines

Alaska Airlines

Sunday

Alaska Airlines

Alaska Airlines

See more direct flights

More options for your flight from San Diego to Reagan-National

Complete your trip to Washington, D.C. with a hotel stay or car rental