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Cheap Flights from San Diego International to Washington Ronald Reagan

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      Travellers and cabin class, 1 Adult, Economy
      Alaska Airlines

      Compare San Diego International to Washington Ronald Reagan flight deals

      Find the cheapest month or even day of the year to fly to Washington Ronald Reagan

      Book the best Washington Ronald Reagan fare with no extra fees

      Flight deals from San Diego International to Washington Ronald Reagan

      Looking for a cheap last-minute deal or the best return flight from San Diego International Airport to Washington Ronald Reagan Airport? If you want to travel next month, return fares start from Rs77,158. Find the lowest prices on one-way and return tickets right here.
      Washington D.C..Rs38,579 per passenger.Departing Sat, 10 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Sat, 10 Oct, arriving in Washington Ronald Reagan.Price includes taxes and charges.From Rs38,579, select.
      Washington D.C..Rs38,579 per passenger.Departing Tue, 15 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Tue, 15 Sep, arriving in Washington Ronald Reagan.Price includes taxes and charges.From Rs38,579, select.
      Washington D.C..Rs38,605 per passenger.Departing Tue, 3 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Tue, 3 Nov, arriving in Washington Ronald Reagan.Price includes taxes and charges.From Rs38,605, select.
      Washington D.C..Rs45,508 per passenger.Departing Tue, 8 Dec.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Diego International on Tue, 8 Dec, arriving in Washington Ronald Reagan.Price includes taxes and charges.From Rs45,508, select.
      Washington D.C..Rs52,697 per passenger.Departing Wed, 10 Feb.One-way flight with United.Outbound indirect flight with United, departs from San Diego International on Wed, 10 Feb, arriving in Washington Ronald Reagan.Price includes taxes and charges.From Rs52,697, select.
      Washington D.C..Rs55,488 per passenger.Departing Thu, 7 Jan.One-way flight with Delta.Outbound indirect flight with Delta, departs from San Diego International on Thu, 7 Jan, arriving in Washington Ronald Reagan.Price includes taxes and charges.From Rs55,488, select.
      Washington D.C..Rs56,296 per passenger.Departing Sat, 3 Oct.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from San Diego International on Sat, 3 Oct, arriving in Washington Ronald Reagan.Price includes taxes and charges.From Rs56,296, select.
      Washington D.C..Rs59,661 per passenger.Departing Wed, 2 Dec.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from San Diego International on Wed, 2 Dec, arriving in Washington Ronald Reagan.Price includes taxes and charges.From Rs59,661, select.
      Washington D.C..Rs60,310 per passenger.Departing Tue, 3 Nov.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from San Diego International on Tue, 3 Nov, arriving in Washington Ronald Reagan.Price includes taxes and charges.From Rs60,310, select.
      Washington D.C..Rs60,566 per passenger.Departing Fri, 30 Apr.One-way flight with Delta.Outbound indirect flight with Delta, departs from San Diego International on Fri, 30 Apr, arriving in Washington Ronald Reagan.Price includes taxes and charges.From Rs60,566, select.
      Washington D.C..Rs63,825 per passenger.Departing Fri, 28 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Fri, 28 Aug, arriving in Washington Ronald Reagan.Price includes taxes and charges.From Rs63,825, select.
      Washington D.C..Rs66,396 per passenger.Departing Thu, 24 Sep.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from San Diego International on Thu, 24 Sep, arriving in Washington Ronald Reagan.Price includes taxes and charges.From Rs66,396, select.
      Washington D.C..Rs125,159 per passenger.Departing Sun, 30 Aug.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from San Diego International on Sun, 30 Aug, arriving in Washington Ronald Reagan.Price includes taxes and charges.From Rs125,159, select.

      Find the cheapest month to fly from San Diego International to Washington Ronald Reagan

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Diego International to Washington Ronald Reagan flights are currently cheapest in September.
      Aug
      from Rs63,825
      Sep
      from Rs38,579
      Oct
      from Rs38,579
      Nov
      from Rs38,605
      Dec
      from Rs45,508
      Jan
      from Rs55,488
      Feb
      from Rs52,697
      Mar
      Find prices
      Apr
      from Rs60,566
      May
      Find prices
      Jun
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      Jul
      Find prices

      Direct flights from San Diego International to Washington Ronald Reagan

      Alaska Airlines

      San Diego International to Washington Ronald Reagan: Alternative routes

      Compare routes from San Diego International to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Washington Ronald Reagan.

      Washington Ronald Reagan

      5km from central Washington D.C.
      Closest
      from Rs38,579
      Search flights

      Washington Dulles

      37km from central Washington D.C.
      from Rs35,599
      Search flights

      Baltimore Washington International

      44km from central Washington D.C.
      Cheapest
      from Rs32,100
      Search flights

      San Diego to Washington D.C.: Flight information

      The things to know before you go.
      Cheapest flight foundRs38,579
      Cheapest month to flyOctober
      Average flight time5 hrs, 7 mins
      Most popular airlineAlaska Airlines
      Average flights per week9

      Finding cheap flights from San Diego International to Washington Ronald Reagan: Frequently asked questions

      The best price we found for a return flight from San Diego International to Washington Ronald Reagan is Rs54,217. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      5 hours and 7 minutes is the average flight time from San Diego International to Washington Ronald Reagan.
      Alaska Airlines flies direct from San Diego International to Washington Ronald Reagan.
      As of August 2026, there are 9 flights per week flying from San Diego International to Washington Ronald Reagan.
      The cheapest month to fly from San Diego International to Washington Ronald Reagan is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Diego International Airport to Washington Ronald Reagan Airport on Wednesday, 28 October 2026.
      Yes – the average flight time is 5 hours and 7 minutes.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington Ronald Reagan but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Frontier Airlines and Alaska Airlines offer the cheapest flight tickets to Washington Ronald Reagan.

      Flying from San Diego International Airport (SAN) to Washington Ronald Reagan Airport (DCA): what you need to know

      • The average time for a direct flight from San Diego International Airport to Washington Ronald Reagan Airport is 5 hours 20 minutes.

      • Washington DC's timezone is UTC-5, which makes Washington DC three hours ahead of San Diego.

      • Flights from SAN to DCA start from 12:58 — the first with Alaska Airlines. The last service of the day is at 14:10 with Alaska Airlines. Overall, you can take your pick of six weekly San Diego International Airport to Washington Ronald Reagan Airport flights.

      • Your SAN to DCA flight won't wait if you're late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

      • Flying during a peak time like August? Public holidays and other high seasons can result in longer queues and delays at airport checkpoints. Play things extra safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

      • Flying into Washington DC (and then seeing more of the United States!) is a snap with Alaska Airlines. This popular carrier offers direct flights from San Diego International Airport to Washington Ronald Reagan Airport.

      • The majority of travellers choose to travel with Alaska Airlines on this route.

      • The most punctual carrier operating SAN to DCA flights is Alaska Airlines. Its services land as planned 67.8% of the time.

      • If you want to add a stop to your trip, just uncheck 'Direct flights only' when searching for your ticket from San Diego International Airport to Washington Ronald Reagan Airport. Here are the top stopovers between SAN and DCA:

        • Denver International Airport

        • Phoenix Sky Harbour Airport

        • Minneapolis St Paul Airport

      How to find the cheapest flights from San Diego International Airport (SAN) to Washington Ronald Reagan Airport (DCA)

      • The cheapest price we've found for a one-way San Diego International Airport to Washington Ronald Reagan Airport flight is Rs38,579. A round-trip plane ticket right now is Rs54,217. Depending on the availability and when you book, these fares may change.

      • It's often best to book in advance if you want to find cheap tickets from SAN to DCA. That's because airlines adjust prices based on demand, which tends to increase closer to departure.

      • The cheapest month for flights from San Diego International Airport to Washington Ronald Reagan Airport is May. Use the 'Whole month' tool to find the lowest prices if you have flexible travel dates.

      • Stay on top of deals for cheap flights from SAN to DCA by creating a Price Alert. We'll send you an email or push notification on the app when a special offer becomes available.

      • Find the right flight for you by using the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from San Diego International Airport to Washington Ronald Reagan Airport, use the 'Sort by' tool. You can also filter results by arrival and departure times, airline, and journey duration.

      Handy information about San Diego International Airport (SAN)

      • You'll find SAN at N Harbour Dr.

      • 74% of flights that leave from San Diego International Airport reach their destination on schedule.

      • To reach San Diego International Airport from central San Diego, it'll take around 15 minutes by car. Of course, this depends on traffic conditions. It's approximately 5 kilometres from the airport to the city centre.

      • Expect a journey time of around 25 minutes on public transport.

      • Looking for a convenient hotel near SAN? If you're boarding an early flight from San Diego International Airport to Washington Ronald Reagan Airport, these stays will put you moments from your departure lounge:

      Arriving at Washington Ronald Reagan Airport (DCA)

      When to fly to Washington Ronald Reagan Airport (DCA)

      • It's time to plan your travel dates for your flight from San Diego International Airport to Washington Ronald Reagan Airport. August is the busiest month to visit Washington DC. If you prefer a more low-key vibe, go in March.

      • Book your flight from San Diego International Airport to Washington Ronald Reagan Airport for July if you'd like to go to Washington DC during its warmest month. Expect temperatures of between 19ºC and 33ºC.

      • If you'd rather travel in cooler conditions, search for a cheap ticket from SAN to DCA in January. Average temperatures are between -6ºC and 10ºC then.

      Explore more of the United States

      • Washington DC is always a good idea, but there are so many other parts of the United States you should also see. Around 322 kilometres north-east of Washington DC, a visit to New York will keep your itinerary busy. Start with leading sights like Central Park, Statue of Liberty and Metropolitan Museum of Art.

      • If you're ready to explore another corner of the United States, consider Philadelphia, roughly 193 kilometres north-east of Washington DC. Independence Hall, Liberty Bell and Philadelphia Museum of Art are the start of reasons to visit.

      Plan the rest of your trip from San Diego to Washington D.C.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.