Cheap flights from San Diego to Washington, D.C. from $67
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. departing on 5/13. 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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Spirit Airlines flights from San Diego to Washington, D.C.
Our best Spirit Airlines deals on San Diego to Washington, D.C. flight tickets
Southwest flights from San Diego to Washington, D.C.
Our best Southwest deals on San Diego to Washington, D.C. flight tickets
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from San Diego to Washington, D.C.
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 typical price of a round-trip flight between San Diego and Washington, D.C.?
What is the cheapest month to fly to Washington, D.C.?
The month of August is, on average, the cheapest month to fly to Washington, D.C. from San Diego, with most prices found around $296. If you’re not able to fly to Washington, D.C. in August, then September is your next best option. Flight prices from San Diego to Washington, D.C. during September average around $316.
What is the cheapest day to depart on your flight to Washington, D.C.?
On average, the least expensive day to fly to Washington, D.C. from San Diego is on a Friday. momondo users have found tickets for Friday departures for as low as $424. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from San Diego to Washington, D.C. for around $676.
What is the cheapest time of day to depart on your flight to Washington, D.C.?
In the afternoon is the cheapest time of day to fly from San Diego to Washington, D.C. when you can find flight prices for as low as $253. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $494. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest San Diego to Washington, D.C. flight route?
Fly from San Diego to Washington, D.C. Dulles Intl for the best San Diego - Washington, D.C. flight prices
How far in advance should I book a flight to Washington, D.C.?
You are more likely to see cheaper flights to Washington, D.C. from San Diego when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $396 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. from San Diego for as low as $326 on momondo.
What cabin class options are available on San Diego to Washington, D.C. flights?
There are 4 cabin classes available to choose from on San Diego to Washington, D.C. 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.?
Spirit Airlines, Frontier, and Alaska Airlines are the most popular carriers operating from San Diego to Washington, D.C.
What airlines fly to Washington, D.C.?
United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to Washington, D.C. from San Diego according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 9 different airlines that fly to Washington, D.C. 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. on average per day?
12 flights are operational daily from San Diego to Washington, D.C. as of April 2025. The most popular departure time for this route is 8:00AM, with 63% of flights per day taking off at noon.
How many flights depart from San Diego to Washington, D.C. on average per week?
As of April 2025, there are 84 flights per week flying from San Diego to Washington, D.C.. The most common day of the week flights depart is Thu, with 20% of flights taking off on this day.
When to book flights from San Diego to Washington, D.C.
Cheap San Diego to Washington, D.C. (SAN to WAS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Diego to Washington, D.C.
Best Price Found | $67 |
|---|---|
Fastest flight time | 4h 48m |
Direct flights | Every day |
Airports in Washington, D.C. | 3 airports |
How far is San Diego to Washington, D.C. by plane?
San Diego and Washington, D.C. are 2268.2 mi apart from one another. 4h 48m is a normal flight duration for this route.
When did momondo last update prices for flights from San Diego Airport to Washington, D.C.?
Prices for flights from San Diego Airport to Washington, D.C. were last updated today.
How many operators does momondo search for flights from San Diego Airport to Washington, D.C.?
There are 9 operators available for flights from San Diego Airport to Washington, D.C. as of April 2025.
How old do you have to be to fly from San Diego Airport to Washington, D.C.?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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..
What documentation or ID do you need to fly to Washington, D.C.?
The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from San Diego to Washington, D.C.?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from San Diego to Washington, D.C. is Boeing 737 MAX 9 (17.72% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (17.34%), Boeing 777 (16.41%), and Boeing 737 (14.64%).
What is the most popular airline from San Diego to Washington, D.C.?
momondo data reveals that the most frequently booked airline on the route from San Diego to Washington, D.C. is United Airlines, representing 42% of all bookings. The subsequent popular airlines are Alaska Airlines at 33%, Spirit Airlines at 9%, and Frontier at 6%.
Best airlines flying from San Diego to Washington, D.C.
Compare and see reviews for airlines that fly from San Diego to Washington, D.C. with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $64 | Free Cancellation | Rating 6.3 7,926 reviews | |||
| PriceFrom $128 | Free Cancellation | Rating 6.0 3,281 reviews | |||
| PriceFrom $157 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $158 | Free Cancellation | Rating 7.9 2,380 reviews | |||
| PriceFrom $179 | Free Cancellation | Rating 8.0 7,916 reviews | |||
| PriceFrom $235 | Free Cancellation | Rating 7.3 2,926 reviews | |||
| PriceFrom $236 | Free Cancellation | Rating 8.0 9,887 reviews | |||
| PriceFrom $237 | Free Cancellation | Rating 7.4 8,667 reviews | |||
| PriceFrom $291 | Free Cancellation | Rating 8.0 4,280 reviews |
Alaska Airlines Flights From San Diego to Washington, D.C.
Across 5 Alaska Airlines flights from San Diego to Washington, D.C. this week, the average price was $377, with the best Alaska Airlines deals starting from $236 round-trip. 9,887 users have rated Alaska Airlines on momondo, with an average score of 8.0/10.
Southwest Flights From San Diego to Washington, D.C.
Across 4,280 Southwest reviews on momondo, the average score is 8.0/10. Southwest flies from San Diego to Washington, D.C. about 8 times each week, with ticket deals ranging from $291 to $520. Price data is based on momondo searches in the last 72 hours.
Traveling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsWhy use momondo?
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?
Yes. momondo allows you to filter the results for San Diego to Washington, D.C. flights to just show those with flexible booking policies.
How can momondo help me find flights from San Diego to Washington, D.C.?
Once you have performed a search for San Diego to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from San Diego to Washington, D.C. right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Washington, D.C. from San Diego. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.