
Book Cheap United flight from Washington (IAD) to San Diego (SAN) from CA $299
Find The Best Day to Book a Cheap United Flights From Washington to San Diego
Cheapest United Flights from Washington (IAD) to San Diego (SAN)
The cheapest flights to San Diego Intl. found within the past 7 days were CA $654 round trip and CA $299 one way. Prices and availability subject to change. Additional terms may apply.
Frequently asked questions
Grab a great United flight from IAD to SAN
To find a great deal on United flights with Travelocity, simply enter your origin and destination airports, pick your travel dates, and hit search. From here, you can sort by price, flight duration, and arrival/departure time. You can also filter to find nonstop flights.
Flying United Chantilly to San Diego gives you 3 fights to choose from. With that direct flight time of 18, you’ll be touching down before you know it.
Find cheap flights with United between Chantilly and San Diego
United has a range of great fares on stacks of flights, and to find the most affordable for you, there are a few tricks you can try. Booking in advance, for example, is a great way to grab a fantastic deal. Also, choose the cheapest month, if you can. One-way flights from Chantilly to San Diego with United are July.
The more flexible you are, the more affordable flights you’re likely to find. Consider one-way flights and connecting flights, as well as standard roundtrip and direct options. Even if you’re flying today, cheap last-minute flights are easy to find by entering your travel dates and hitting search.
Reasons to book your United flights with Travelocity
Travelocity makes it easy to book a seat, anywhere in the world. The vast inventory, fast search, and advanced filters put some of the best deals on the planet in one place. Whether you’re traveling on business, with friends, family, or on your own, take your pick from some fantastic options. And with free cancellation and pay later options, you can travel more and worry less.
Airport code | Country | Airport name | Number of flights |
---|---|---|---|
ORD | USA | O'Hare Intl. | 227 |
DEN | USA | Denver Intl. | 226 |
IAH | USA | George Bush Intercontinental | 136 |
IAD | USA | Washington Dulles Intl. | 100 |
SFO | USA | San Francisco Intl. | 64 |
LAX | USA | Los Angeles Intl. | 23 |
EWR | USA | Liberty Intl. | 20 |
FRA | DEU | Frankfurt Intl. | 19 |
NRT | JPN | Narita Intl. | 19 |
PEK | CHN | Capital Intl. | 16 |
Travelers ❤️ these 🏨 after their flight to San Diego

Reviewed on 11 Mar. 2025

Reviewed on 8 Mar. 2025

Reviewed on 10 Mar. 2025
Want more than a(n) United Flight from Washington to San Diego?
Domestic
- Vancouver to San José del Cabo (YVR - SJD)
- Vancouver to Manila (YVR - MNL)
- Toronto to Port of Spain (YYZ - POS)
- Toronto to Barcelona (YYZ - BCN)
- Winnipeg to Comayagua (YWG - XPL)
- Vancouver to Tokyo (YVR - NRT)
- Vancouver to Kahului (YVR - OGG)
- Edmonton to Phoenix (YEG - PHX)
- Toronto to Las Vegas (YYZ - LAS)
- Toronto to London (YYZ - LHR)
International
- Edmonton to Phoenix (YEG - PHX)
- Toronto to Kingston (YYZ - KIN)
- Edmonton to Phoenix (YEG - PHX)
- Toronto to Port of Spain (YYZ - POS)
- Toronto to Orlando (YYZ - MCO)
- Ottawa to Lagos (YOW - LOS)
- Ottawa to Lagos (YOW - LOS)
- Vancouver to Kahului (YVR - OGG)
- Vancouver to Manila (YVR - MNL)
- Toronto to Montego Bay (YYZ - MBJ)