US$48️ Cheap Flights from San Diego to Washington D.C. (2024)

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San Diego to Washington D.C. - Flights Starting at US$48

Book one-way or return flights from San Diego to Washington D.C. from as little as US$48. Choose from the popular airlines below and book your flight today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

We've found these cheap flights for you. You may book a one-way or round trip as per your needs.

We monitor flight fares to help you seize the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Cheapest airlines flights from San Diego to Washington D.C.

View airlines operating flights from San Diego to Washington D.C.. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines

From US$48

Spirit Airlines

From US$104

American Airlines

From US$116

Sun Country Airlines

From US$141

United Airlines

From US$143

Southwest Airlines

From US$173

Alaska Airlines

From US$225

Jetblue Airways

From US$228

Delta Air Lines

From US$238

ANA airlines

Find more flights and airlines

Alternative Routes from San Diego to Washington D.C.

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from San Diego to Washington D.C..

Cheapest
SAN
09:33
9h 26m
1 transfer
DCA
21:59
San Diego International Airport - Ronald Reagan Washington National Airport
Sat, May 4Frontier Airlines
US$48
SAN
09:55
5h 2m
Direct
IAD
17:57
San Diego International Airport - Dulles International Airport
Tue, May 7Alaska Airlines
US$315
SAN
09:55
5h 2m
Direct
IAD
17:57
San Diego International Airport - Dulles International Airport
Tue, May 7Alaska Airlines
US$315
Find More Flights

Frequently Asked Questions

When are flight tickets from San Diego (SAN) to Washington D.C. (WAS) the cheapest?
Airlines adjust prices for flights from San Diego to Washington D.C. based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from San Diego (SAN) to Washington D.C. (WAS) cost?
According to Trip.com's data, the lowest price is around $362.
How long does it take to fly from San Diego (SAN) to Washington D.C. (WAS) and what is the distance?
It takes around 6 hours 2 minutes to fly from San Diego (SAN) to Washington D.C. (WAS).
What are the most popular airlines that fly from San Diego (SAN) to Washington D.C. (WAS)?
Airlines with flights from San Diego (SAN) to Washington D.C. (WAS): Qatar Airways, United Airlines, American Airlines, Alaska Airlines, Southwest Airlines, Austrian Airlines and Brussels Airlines.

How to find a cheap flight from San Diego to Washington D.C.

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from San Diego to Washington D.C.. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com

San Diego to Washington D.C. Flight Information

Cheapest nonstop flight price	$48
Cheapest round-trip ticket price	$162
Off-season for travel	May
Peak season for travel	October
Flight distance	3,654.5km
Average flight time	6 hours 2 minutes
Popular airline	Alaska Airlines