Cheap flights from Portland to San Diego from £176
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Not happy with the results? Try some of our useful filters
Search by stops
- Nonstop
- Up to 1 stop
- Up to 2 stops
Search by carrier
Search by price
Search by departure date
How much do flights to San Diego cost?
Cheapest one-way trip | £176 |
|---|---|
Cheapest round-trip | £376 |
Average round-trip | £440 |
Includes rare itinerary | |
Most popular airline | United Airlines |
Getting from San Diego airport to the city center
Fastest options: taxi or ride-hailing services. Best value: MTS Bus Route 992 and the San Diego Trolley.
Transport Option | Typical Time | Typical Cost | Frequency | Best For |
|---|---|---|---|---|
12-20 min | $2.50 (single ride fare) | every 15 min (traffic dependent) | budget travelers | |
25-40 min | $2.50-$5 (requires bus transfer at Old Town) | every 15 min (traffic dependent) | connecting to trolley network | |
10-20 min | $15-$25 (metered; varies by traffic and destination) | on-demand 24/7 (traffic dependent) | door-to-door convenience | |
10-20 min | $12-$30 (surge pricing may apply) | on-demand 24/7 (traffic dependent) | app-based convenience | |
10-25 min | $30-$60 (pre-booked; varies by provider) | by reservation (traffic dependent) | groups or pre-arranged travel | |
10-20 min | $40-$100 (daily rate; varies by provider and vehicle) | on-demand (traffic dependent) | exploring San Diego region |
Notes:
- Prices in USD; table created in 2025 and subject to change.
- MTS Bus Route 992 operates between the airport and downtown via Old Town Transit Center.
- Taxis and ride-hailing services pick up at designated areas outside each terminal.
- Rental car facilities are located at the Rental Car Center, accessible via a free shuttle.
- We recommend checking official transport websites for your travel planning.
Updated: December 2025
Key info about flying to San Diego
Check-in for a flight from Portland to San Diego
| Name | Carrier code | IATA Code | Passport needed during booking |
|---|---|---|---|
| United Airlines | UAL | UA | No |
| Frontier Airlines | FFT | F9 | No |
| JetBlue Airways | JBU | B6 | No |
| BREEZE | MX | No | |
| Spirit Airlines | NKS | NK | No |
Online check-in is not available for these airlines.
Weather in San Diego
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | 18°C | 10°C |
| February | 17°C | 10°C |
| March | 18°C | 11°C |
| April | 19°C | 12°C |
| May | 20°C | 14°C |
| June | 22°C | 16°C |
| July | 24°C | 18°C |
| August | 25°C | 19°C |
| September | 25°C | 19°C |
| October | 23°C | 16°C |
| November | 21°C | 13°C |
| December | 17°C | 11°C |
14 day forecast
Frequently asked questions
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