Cheap flights from San Diego to Washington, D.C. Reagan-National Airport from $124
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Washington, D.C. Reagan-National Airport departing on 5/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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JetBlue flights from San Diego to Washington, D.C. Reagan-National Airport
Our best JetBlue deals on San Diego to Washington, D.C. Reagan-National Airport flight tickets
United Airlines flights from San Diego to Washington, D.C. Reagan-National Airport
Our best United Airlines deals on San Diego to Washington, D.C. Reagan-National Airport flight tickets
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from San Diego to Washington, D.C. Reagan-National Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?
The month of October is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from San Diego, with most prices found around $314. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $330.
What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?
The cheapest day to depart from San Diego to Washington, D.C. Reagan-National Airport is on a Friday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Friday will often find tickets for as low as $338. Flights from San Diego to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $487. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?
Our data shows that the cheapest San Diego to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the afternoon. Our users have found flights to Washington, D.C. Reagan-National Airport in the afternoon for as low as $189. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is in the morning when prices are around $527.
What is the cheapest San Diego to Washington, D.C. Reagan-National flight route?
Fly from San Diego to Washington, D.C. Reagan-National for the best San Diego - Washington, D.C. Reagan-National flight prices
How far in advance should I book a flight to Washington, D.C. Reagan-National Airport?
You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from San Diego when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $375 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from San Diego for as low as $317 on momondo.
What cabin class options are available on San Diego to Washington, D.C. Reagan-National flights?
There are 2 cabin classes available to choose from on San Diego to Washington, D.C. Reagan-National flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from San Diego to Washington, D.C. Reagan-National?
Southwest, Frontier, and United Airlines are the most popular carriers operating from San Diego to Washington, D.C. Reagan-National
What airlines fly to Washington, D.C. Reagan-National Airport?
American Airlines, Frontier and Delta are the top three most popular airlines that fly to Washington, D.C. Reagan-National Airport from San Diego according to our data. American Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Washington, D.C. Reagan-National Airport. Keep in mind that there are 9 different airlines that fly to Washington, D.C. Reagan-National Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from San Diego to Washington, D.C. Reagan-National Airport on average per day?
As of March 2025, there are 3 flights per day flying from San Diego to Washington, D.C. Reagan-National Airport. The most common time of day flights depart is 2:00PM, with 60% of flights taking off in the afternoon.
How many flights depart from San Diego to Washington, D.C. Reagan-National Airport on average per week?
As of March 2025, 24 flights take off from San Diego and land in Washington, D.C. Reagan-National Airport each week. The most common flight departure day for this route is Mon, with 21% of weekly flights taking off on this day.
When to book flights from San Diego to Washington, D.C. Reagan-National Airport
Cheap San Diego to Washington, D.C. Reagan-National Airport (SAN to DCA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Diego to Washington, D.C. Reagan-National Airport
How far is San Diego to Washington, D.C. Reagan-National by plane?
The distance between San Diego and Washington, D.C. Reagan-National is about 2268.2 mi. Flights usually cover this in 4h 45m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from San Diego Airport to Washington, D.C. Reagan-National Airport?
Prices for flights from San Diego Airport to Washington, D.C. Reagan-National Airport are refreshed on a daily basis.
How many operators does momondo search for flights from San Diego Airport to Washington, D.C. Reagan-National Airport?
The number of operators available for flights from San Diego Airport to Washington, D.C. Reagan-National Airport is 9 as of March 2025.
How old do you have to be to fly from San Diego Airport to Washington, D.C. Reagan-National Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Washington, D.C. Reagan-National Airport.
What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?
The necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from San Diego to Washington, D.C. Reagan-National Airport?
Based on momondo bookings for flights between San Diego and Washington, D.C. Reagan-National Airport, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 28.57% of the total bookings. Other popular models include Boeing 737 MAX 9 with 17.71%, Boeing 737 with 15.07%, and Boeing 777 with 13.50%.
What is the most popular airline from San Diego to Washington, D.C. Reagan-National Airport?
momondo data reveals that the most frequently booked airline on the route from San Diego to Washington, D.C. Reagan-National Airport is American Airlines, representing 29% of all bookings. The subsequent popular airlines are Frontier at 23%, Delta at 17%, and United Airlines at 12%.
Best airlines flying from San Diego to Washington, D.C. Reagan-National Airport
Compare and see reviews for airlines that fly from San Diego to Washington, D.C. Reagan-National Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $120 | Free Cancellation | Rating 6.3 7,881 reviews | |||
| PriceFrom $141 | Free Cancellation | Rating 6.0 3,271 reviews | |||
| PriceFrom $169 | Free Cancellation | Rating 7.9 2,336 reviews | |||
| PriceFrom $235 | Free Cancellation | Rating 7.3 2,923 reviews | |||
| PriceFrom $236 | Free Cancellation | Rating 8.0 9,798 reviews | |||
| PriceFrom $257 | Free Cancellation | Rating 7.4 8,603 reviews | |||
| PriceFrom $276 | Free Cancellation | Rating 8.0 7,895 reviews | |||
| PriceFrom $276 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $291 | Free Cancellation | Rating 8.0 4,273 reviews |
Alaska Airlines Flights From San Diego to Washington, D.C. Reagan-National Airport
Alaska Airlines flight deals from San Diego to Washington, D.C. Reagan-National Airport start from $236 round-trip. Over the 6 Alaska Airlines flights for this route in a normal week, average airfare is usually $449 round-trip - but some users have found much cheaper deals with momondo.
Southwest Flights From San Diego to Washington, D.C. Reagan-National Airport
$291 is the best Southwest flight deal from San Diego to Washington, D.C. Reagan-National Airport found on momondo over the last 72 hours. The average Southwest ticket price found was closer to $530, however, with flight time and availability significantly affecting the price. Southwest (8.0/10 from 4,273 user reviews) flies into Washington, D.C. Reagan-National Airport from San Diego 11 times in an average week so prices can vary.
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Why should I use momondo to find a flight deal from San Diego to Washington, D.C.?
Finding the right flight to Washington, D.C. from San Diego is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.
Can I find flights from San Diego to Washington, D.C. with flexible booking policies on momondo?
Flights from San Diego to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from San Diego to Washington, D.C.?
Once all potential San Diego to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from San Diego to Washington, D.C. right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of San Diego to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.