San Francisco from San Diego, 23 – 25 Oct: £543 for two, all in
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The verdict
Our verdict
Worth it, because
- Nonstop on Frontier, 3h 43m
- Free cancellation at FOUND Hotel Carlton, Nob Hill
- Highs 70–81°F, little rain expected
The catch: Heads-up for these dates: Warmest, clearest weather of the year, with Fleet Week in October.
Worth it if you want to walk, eat and see things; skip it if you want to switch off.
A nonstop round trip from San Diego to San Francisco on F9 costs $217 per person, or $433 for two, from Friday, Oct 23 to Sunday, Oct 25, 2026 (2 nights). The forecast shows highs of 70–81°F with little rain expected. The best-value hotel, FOUND Hotel Carlton, Nob Hill, is $288 for both nights.
The total, before you go
£543 for two · 2 nights · flights, hotel, taxes & fees
| For two | |
|---|---|
| Flights for two, return | £326 |
| FOUND Hotel Carlton, Nob Hill, 2 nights, two guests, taxes in | £217 |
| The total, before you go | £543 |
| Hold luggage each, return (not in the total) | about £181 |
Not in it: seat selection on basic fares and hold luggage (about £45 each way per bag on Frontier, £181 for two return); a resort fee, if the hotel has one, is collected at the desk. Prices are what we found at the time shown; the booking site’s checkout is the binding one.
The flight
£164 per person, return
£326 for two, taxes and fees included · Frontier · nonstop · 3h 43m
Out Fri, Oct 23, 3:14 PM – Fri, Oct 23, 5:03 PM · back Sun, Oct 25, 11:22 AM – Sun, Oct 25, 1:16 PM
| Airline | Per person | Stops | Duration |
|---|---|---|---|
| Frontier | £164 | nonstop | 3h 43m |
| Alaska | £221 | nonstop | 3h 35m |
| Frontier | £224 | nonstop | 3h 28m |
Prices checked 12 Oct 2026, 20:22 GMT-7. Prices change; the binding price is the one on the booking site.
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Why now
$217 per person round trip, nonstop, is exactly the median of 11 earlier checks we ran on this route. That makes it a fair price, not a markdown, and the lowest we've seen was $104, on Oct 12. The real reason to go is the timing. September and October bring San Francisco's warmest, clearest weather of the year, and the forecast agrees: 70°F and partly cloudy on Friday, 78°F and clear on Saturday, 81°F and mostly clear on Sunday, with rain chances of 6% or less. Fleet Week also falls in October. You leave Friday at 3:14 PM and you're back in San Diego by 1:16 PM Sunday. All three hotels we found offer free cancellation. Prices are all-in as found when we checked, and they can change.
The kind of trip this is
This is a city weekend with food and a bit of nature on the side: cable cars, dim sum in Chinatown, burritos in the Mission and a walk over the Golden Gate Bridge. It suits a couple or two friends who like to walk, since the city is compact and hilly. You arrive Friday evening, so you get one full Saturday and a Sunday morning. Pick a few things and take your time with them.
Weather in San Francisco, 23 – 25 Oct
Highs 70–81°F, little rain expected
| Day | High | Low | Rain chance |
|---|---|---|---|
| Fri 23 Oct | 70 °F | 56 °F | 6% |
| Sat 24 Oct | 78 °F | 60 °F | 3% |
| Sun 25 Oct | 81 °F | 63 °F | 3% |
Where to stay in San Francisco
Best value is FOUND Hotel Carlton, Nob Hill, listed in the Theater District: $288 for both nights ($144 a night) for a Queen Room, rated 7.8 from 3,178 reviews. Top rated is InterContinental San Francisco by IHG, a 4-star in South of Market (SOMA), at $551 for the stay ($276 a night). That gets you a skyline-view room with two double beds, rated 8.8 from 678 reviews. In between on price, Hilton Parc 55 San Francisco Union Square is a 4-star at $409 for the stay ($205 a night) for one king bed, rated 8 from 960 reviews. Union Square puts cable cars and shopping right at the door, which helps on a short trip. All three are room only, with free cancellation.
FOUND Hotel Carlton, Nob Hill
£217 for 2 nights, two guests · £109 a night
See roomsInterContinental San Francisco by IHG
£415 for 2 nights, two guests · £208 a night
See roomsHilton Parc 55 San Francisco Union Square
£308 for 2 nights, two guests · £155 a night
See roomsAll hotels in San Francisco for these dates
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Where in San Francisco
- Union Square: Central hotels with cable cars and shopping at the door.
- Fisherman's Wharf / North Beach: Waterfront, Alcatraz ferries and Italian cafes.
- Nob Hill: Grand historic hotels with bay views.
- The Mission: Murals, taquerias and the sunniest weather in town.
- Marina / Cow Hollow: Boutique inns near the Golden Gate and Crissy Field.
What to do in San Francisco
- Walk or bike across the Golden Gate Bridge to Sausalito on Saturday, forecast clear and 78°F.
- Take the ferry to Alcatraz from the Fisherman's Wharf / North Beach waterfront.
- Ride a cable car over Nob Hill, an easy start from Union Square.
- Eat dim sum in Chinatown, then burritos in the Mission, the sunniest part of town.
- See the redwoods at Muir Woods if you'd rather spend a morning among trees.
- Watch the sea lions at Pier 39 on a waterfront stroll.
Tours and tickets in San Francisco
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Getting there and around
| Airports in San Diego | San Diego International (SAN) |
|---|---|
| Airports in San Francisco | San Francisco International (SFO), Oakland International (OAK), San José Mineta International (SJC) |
| Flight time | 3h 43m nonstop |
| Distance | 458 miles each way |
| Time difference | same time zone |
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What 2 nights in San Francisco costs
| Estimate | |
|---|---|
| Flights for two | £327 |
| Hotel, 2 nights (FOUND Hotel Carlton, Nob Hill) | £217 |
| Food, getting around and tickets, 2 days for two | £573 |
| Total for two | £1,117 |
Flights and hotel are the prices we found; spending is a planning estimate for a luxury destination, per person per day times two.
Price history: San Diego to San Francisco
| Per person | |
|---|---|
| This trip | £164 per person |
| Lowest in the last 30 days | £78 (12 Oct 2026) |
| Typical price, last 60 days | £164 |
| Price checks | 11 |
Good to know
- Passport: no passport needed for travellers from the United States: a government photo ID is enough for San Francisco.
- Currency: US dollar (USD).
- Warmest, clearest weather of the year, with Fleet Week in October
- No passport needed: it's a domestic trip, you pay in US dollars and there's no time difference.
- Flights: out Friday, Oct 23 at 3:14 PM, landing 5:03 PM at SFO; back Sunday, Oct 25 at 11:22 AM, landing 1:16 PM.
- Season: September and October have the warmest, clearest weather of the year, and Fleet Week is in October.
- All three hotels are room only, with free cancellation.
- Estimated weekend budget: $1,482 for two, counting flights, the $288 best-value hotel and $760 for spending ($190 per person per day).
Questions readers ask
How much is the flight?
$217 per person round trip, or $433 for two, nonstop on F9 from San Diego International (SAN) to San Francisco International (SFO). That's all-in, with taxes and fees, as found when we checked. The next fare we saw was AS at $293 per person, also nonstop.
Is $217 a good price?
It's a fair one. It matches the median of 11 earlier checks we ran on this route, so it's a normal price for this route, not a discount. The lowest we've seen was $104, on Oct 12.
What is the weather like?
The forecast: Friday 70°F with a low of 56°F and partly cloudy, Saturday 78°F and clear, Sunday 81°F and mostly clear with a low of 63°F. Rain chances stay at 6% or less all weekend.
Is 2 nights enough?
For a first taste, yes. You land Friday at 5:03 PM and fly home Sunday at 11:22 AM, so Saturday is your one full day. Pick the Golden Gate Bridge or Alcatraz plus a food stop, and save Muir Woods for next time.
Do I need a passport?
No. It's a domestic trip, so there's no passport, you pay in US dollars and you stay in the same time zone.
What will the whole weekend cost?
We estimate $1,482 for two. That covers flights, $288 at FOUND Hotel Carlton, Nob Hill for 2 nights and $760 for spending money.
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Prices converted from US dollars at the rate of 15 Oct 2026.
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