
Book Cheap United flight from Raleigh (RDU) to San Diego (SAN) from CA $316
Find The Best Day to Book a Cheap United Flights From Raleigh to San Diego
Cheapest United Flights from Raleigh (RDU) to San Diego (SAN)
The cheapest flights to San Diego Intl. found within the past 7 days were CA $494 round trip and CA $316 one way. Prices and availability subject to change. Additional terms may apply.
Frequently asked questions
Grab a great United flight from RDU 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 Raleigh to San Diego gives you fights to choose from. With that direct flight time of , you’ll be touching down before you know it.
Find cheap flights with United between Raleigh 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 Raleigh to San Diego with United are February.
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

Sheraton San Diego Resort
Expensive parking
Reviewed on Dec 8, 2025

Bay Club Hotel & Marina
Excellent staff and great location with a view.
Reviewed on Dec 6, 2025

Hampton Inn & Suites by Hilton San Diego SeaWorld
It was amazing, the tv did not work properly but the front desk were quick to move me to a room directly across which made it easier since we had already unpacked, but the stay was awesome and the complimentary breakfast was fire, definitely will stay again, thank you
Reviewed on Dec 9, 2025
Want more than a(n) United Flight from Raleigh to San Diego?
Domestic
- Toronto to Punta Cana (YYZ - PUJ)
- Toronto to Delhi (YYZ - DEL)
- Calgary to Dubai (YYC - DXB)
- Montreal to Rapid City (YUL - RAP)
- Montreal to Reno (YUL - RNO)
- Calgary to Reno (YYC - RNO)
- Montreal to Las Vegas (YUL - LAS)
- Montreal to Tampa (YUL - TPA)
- Toronto to Seoul (YYZ - ICN)
- Vancouver to Seoul (YVR - ICN)
International
- Halifax to Idaho Falls (YHZ - IDA)
- Calgary to Reno (YYC - RNO)
- Vancouver to Reno (YVR - RNO)
- Halifax to Idaho Falls (YHZ - IDA)
- Toronto to Punta Cana (YYZ - PUJ)
- Regina to Rapid City (YQR - RAP)
- Toronto to Punta Cana (YYZ - PUJ)
- Toronto to Tampa (YYZ - TPA)
- Montreal to Tampa (YUL - TPA)
- Calgary to Las Vegas (YYC - LAS)
Most Popular
- Edmonton to Orange County (YEG - SNA)
- Vancouver to Palm Springs (YVR - PSP)
- Vancouver to Las Vegas (YVR - LAS)
- Detroit to Dallas (DTW - DFW)
- Edmonton to Los Angeles (YEG - LAX)
- Montreal to Fort Lauderdale (YUL - FLL)
- Toronto to Los Angeles (YYZ - LAX)
- Toronto to San Francisco (YYZ - SFO)
- Fort Lauderdale to Toronto (FLL - YYZ)
- Vancouver to San Francisco (YVR - SFO)
- Vancouver to San Diego (YVR - SAN)
- Detroit to Myrtle Beach (DTW - MYR)
- Los Angeles to Vancouver (LAX - YVR)
- Toronto to Seattle (YYZ - SEA)
- Toronto to Orange County (YYZ - SNA)
- Toronto to Dallas (YYZ - DFW)
- Air Canada Toronto (YYZ) to Myrtle Beach (MYR) flights
- Spirit Airlines Niagara Falls (IAG) to Myrtle Beach (MYR) flights
- JetBlue Airways Buffalo (BUF) to Fort Lauderdale (FLL) flights
- Porter Airlines Toronto (YTZ) to Philadelphia (PHL) flights
- WestJet Edmonton (YEG) to Las Vegas (LAS) flights
- Vancouver to Los Angeles (YVR - LAX)
- Toronto to Philadelphia (YYZ - PHL)
- Victoria to Los Angeles (YYJ - LAX)
- Calgary to San Francisco (YYC - SFO)
- Air Canada Toronto (YYZ) to Fort Lauderdale (FLL) flights
- Vancouver to Orange County (YVR - SNA)
- Toronto to Las Vegas (YYZ - LAS)
- Swoop Abbotsford (YXX) to Las Vegas (LAS) flights
- Seattle to Delhi (SEA - DEL)
