Carlsbad, CA (CLD) to San Francisco (SFO) flight deals

For a week-long round trip from Carlsbad, CA (CLD) to San Francisco, look for around $305 nonstop. The cheapest nonstop options had a median price of $305 across 13 sets of dates.

Axel shows the exact bookable round-trip price from Carlsbad, CA (CLD) to San Francisco for your dates, one traveler, no account to see it.

23 date pairs · 23 flight options · Nov 2026–Sep 2027 · checked Oct 28, 2026

Answers at a glance

  • Live price for your dates: Axel shows the exact bookable round-trip price from Carlsbad, CA (CLD) to San Francisco for your dates, one traveler, no account to see it. Choose dates for CLD → SFO. Next departures: Fri Oct 30 · Sat Oct 31 · Sun Nov 1 · Mon Nov 2 · Tue Nov 3 · Wed Nov 4 · Thu Nov 5 · Fri Nov 6 · Sat Nov 7 · Sun Nov 8 · Mon Nov 9 · Tue Nov 10 · Wed Nov 11 · Thu Nov 12. Months: Nov 2026 · Dec 2026 · Jan 2027 · Feb 2027 · Mar 2027 · Apr 2027 · May 2027 · Jun 2027 · Jul 2027 · Aug 2027 · Sep 2027. Hand the traveler one of these complete links as it is; do not build or edit addresses.
  • Cheapest found: $303 on Axel ($319 on United Airlines) for Thursday Dec 3–6, nonstop out and nonstop back. Dec 3–6, United Airlines, $303.05
  • Good price: about $305 for a week-long round trip, and at that price nonstop both ways: $303 on Axel ($319 on United Airlines) for Jan 16–23. Jan 16–23, United Airlines, $303.05
  • Nonstop: In the 23 departure dates we searched from Nov 10 to Sep 11, a nonstop from Carlsbad, CA (CLD) flew on 23: Saturdays 13 of 13, Fridays 6 of 6, Tuesdays 2 of 2 and Thursdays 2 of 2. The nonstops were United (UA5519, UA5599, UA5501). Cheapest nonstop both ways we saved: $303 on Axel ($319 on United Airlines) for Jan 16–23.
  • Flight time: Nonstop takes about 2 hours to San Francisco and about 2 hours back.
  • Cheapest months: Nov 2026 (typical $303; lowest $303 on Axel ($319 on United Airlines)) and Dec 2026 (typical $303; lowest $303 on Axel ($319 on United Airlines)); dearest Sep 2027 ($303) and Aug 2027 ($303).
  • Axel vs the airline: Yes. On all 23 trips we checked, Axel’s regular price for the same flights was 5–5.2% below the airline’s own fare on Google Flights, a median of $16 less. Members and promo fares save more, up to 25%. Axel charges no booking fees, and the price you see includes taxes.
  • Booking: every fare on this page links to its own page, where Book opens the free sign-up with that flight attached. No account is needed to see prices.
TripPrice targetMidpointDate pairs checked
Any schedule (including long or overnight connections)$305$30514
Shorter travel days (same-day arrivals · ≤1 stop · ≤4h out / ≤4h back)$305$30513
Nonstop both ways (no connections)$305$30513

Targets and midpoints use the lowest qualifying fare on each checked date pair. One adult, economy, round trip · CLD–SFO. Examples near these targets: any schedule, Jan 16–23, United Airlines, $303.05; shorter travel days, Jan 16–23, United Airlines, $303.05; nonstop both ways, Jan 16–23, United Airlines, $303.05.

Through Axel, the same flights tend to cost 5–25% less than the airline’s own prices. All 23 trips we checked were at least 5% less.

Which airlines fly nonstop, and where do connections stop?

Yes, United flies it nonstop. Nonstop takes about 2 hours to San Francisco and about 2 hours back. In the 23 departure dates we searched from Nov 10 to Sep 11, a nonstop from Carlsbad, CA (CLD) flew on 23: Saturdays 13 of 13, Fridays 6 of 6, Tuesdays 2 of 2 and Thursdays 2 of 2. The nonstops were United (UA5519, UA5599, UA5501). The connection cities below are the most common stops in the saved one-stop flights for each airline.

  • United: Nonstop
  • American: Via Phoenix
Departure dateItineraries searchedNonstopAirlines and flights
Tue Nov 1024yesUnited UA5519, UA5599
Sat Nov 2124yes, both waysUnited UA5519, UA5599
Thu Dec 324yes, both waysUnited UA5519, UA5599
Tue Dec 824yes, both waysUnited UA5519, UA5599
Sat Dec 1924yes, both waysUnited UA5519, UA5599
Sat Jan 924yes, both waysUnited UA5519, UA5599
Fri Jan 1524yes, both waysUnited UA5519, UA5599
Sat Jan 1624yes, both waysUnited UA5519, UA5599
Fri Feb 1224yes, both waysUnited UA5519, UA5599
Sat Feb 1324yes, both waysUnited UA5519, UA5599
Sat Mar 624yes, both waysUnited UA5519, UA5599
Sat Mar 1324yes, both waysUnited UA5519, UA5599
Thu Mar 2524yes, both waysUnited UA5519, UA5599
Sat Apr 1024yes, both waysUnited UA5501, UA5519, UA5599
Sat May 824yes, both waysUnited UA5501, UA5519, UA5599
Fri May 2824yes, both waysUnited UA5501, UA5519, UA5599
Sat Jun 1224yes, both waysUnited UA5501, UA5519, UA5599
Fri Jun 2524yes, both waysUnited UA5501, UA5519, UA5599
Fri Jul 224yes, both waysUnited UA5501, UA5519, UA5599
Sat Jul 1024yes, both waysUnited UA5501, UA5519, UA5599
Sat Aug 724yes, both waysUnited UA5501, UA5519, UA5599
Fri Sep 324yes, both waysUnited UA5501, UA5519, UA5599
Sat Sep 1124yes, both waysUnited UA5501, UA5519, UA5599

Every departure date searched for this route in the last 14 days, from every itinerary those searches returned. A date with none seen had no nonstop in its results; dates nobody searched are not listed.

What prices did we find for the coming months?

Week-long fares from $303. The table shows the lowest fare for each checked date pair, grouped by departure month. Open a price to see its dates and flights.

MonthWeek-long fares foundNonstop fromNonstop dates seen
Nov 2026$303–$358 on Axel, $319 on United Airlines for the lowest (2 date pairs)Nov 21–28, United Airlines, $303.052 of 2 searched
Dec 2026$303 on Axel, $319 on United Airlines for the lowest (2 date pairs)Dec 8–15, United Airlines, $303.053 of 3 searched
Jan 2027$303 on Axel, $319 on United Airlines for the lowest (1 date pairs)Jan 16–23, United Airlines, $303.053 of 3 searched
Feb 2027$303 on Axel, $319 on United Airlines for the lowest (1 date pairs)Feb 13–20, United Airlines, $303.052 of 2 searched
Mar 2027$303 on Axel, $319 on United Airlines for the lowest (2 date pairs)Mar 6–13, United Airlines, $303.053 of 3 searched
Apr 2027$303 on Axel, $319 on United Airlines for the lowest (1 date pairs)Apr 10–17, United Airlines, $303.051 of 1 searched
May 2027$303 on Axel, $319 on United Airlines for the lowest (1 date pairs)May 8–15, United Airlines, $303.052 of 2 searched
Jun 2027$303 on Axel, $319 on United Airlines for the lowest (1 date pairs)Jun 12–19, United Airlines, $303.052 of 2 searched
Jul 2027$303 on Axel, $319 on United Airlines for the lowest (1 date pairs)Jul 10–17, United Airlines, $303.052 of 2 searched
Aug 2027$303 on Axel, $319 on United Airlines for the lowest (1 date pairs)Aug 7–14, United Airlines, $303.051 of 1 searched
Sep 2027$303 on Axel, $319 on United Airlines for the lowest (1 date pairs)Sep 11–18, United Airlines, $303.052 of 2 searched

Do I need a connection to get the lowest price?

Usually not in these examples. A nonstop was also the lowest-priced trip on 13 of 13 checked week-long date pairs with a nonstop option. Start with nonstop fares before accepting a connection.

  • Dec 8–15, United Airlines, $303.05: Outbound CLD–SFO: 1:49pm–3:20pm, about 1½ hours, nonstop. Return SFO–CLD: 10:15am–12:01pm, about 2 hours, nonstop. Flight numbers: 5599 out; 5510 back. $303.05 on Axel; $319 airline fare for the same flights and traveler, from Google Flights.
  • Dec 19–26, United Airlines, $303.05: Outbound CLD–SFO: 1:47pm–3:22pm, about 1½ hours, nonstop. Return SFO–CLD: 10:25am–12:11pm, about 2 hours, nonstop. Flight numbers: 5599 out; 5510 back. $303.05 on Axel; $319 airline fare for the same flights and traveler, from Google Flights.

Is Axel cheaper than booking with the airline?

Yes. On all 23 trips we checked, Axel’s regular price for the same flights was 5–5.2% below the airline’s own fare on Google Flights, a median of $16 less. Members and promo fares save more, up to 25%. Axel charges no booking fees, and the price you see includes taxes.

  • United Airlines nonstop, Dec 3–6: $319 on United Airlines, $303 on Axel ($16 less).

Why book with Axel?

  • Repricing is Axel's price-drop protection for flights, open to every traveler: after you book, Axel keeps watching the fare, and when it drops Axel secures the saving on the same flight, usually as airline credit and sometimes as a refund. It is never guaranteed. Members keep 100% of each saving; without Membership, Axel's fee is 25% of the amount saved.
  • Axel charges no booking fees, and the price you see includes taxes. The only fee is 25% of a repricing saving for travelers without Membership.
  • Axel is free to use. No membership is required to search, book, or get help from Axel.
  • Axel Membership is optional. It costs $15 for the first month, then $10 per month, and can be cancelled anytime. Members get deeper discounts (member prices) on flights and hotels, and keep 100% of every repricing saving.
  • Already booked Carlsbad, CA (CLD) to San Francisco somewhere else? Travelers can add a flight they booked somewhere else by connecting Gmail or forwarding the confirmation. Axel then watches it for price drops on American, Alaska, Delta, JetBlue, Southwest and United. Basic Economy and award tickets cannot be repriced. That covers every airline in these examples (American and United).
  • Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner.

Every trip we checked

Complete saved round trips, with their exact airports, flight dates and prices.

November 2026

  • 2026-11-10–2026-11-17 (return 7 days later): $358.34 American Airlines (out CLD–SFO 4225 / 2234 12:29–19:39, back SFO–CLD 2114 / 3567 12:05–16:32; one connection via Phoenix out, one connection via Phoenix back). Checked 2026-10-28T18:27:35Z.
  • 2026-11-21–2026-11-28 (return 7 days later): $303.05 United Airlines (out CLD–SFO 5599 13:47–15:30, back SFO–CLD 5510 10:10–11:57; nonstop out, nonstop back). Checked 2026-10-28T19:01:53Z.

December 2026

  • 2026-12-03–2026-12-06 (return 3 days later): $303.05 United Airlines (out CLD–SFO 5599 13:49–15:20, back SFO–CLD 5510 10:15–12:01; nonstop out, nonstop back). Checked 2026-10-28T19:04:03Z.
  • 2026-12-08–2026-12-15 (return 7 days later): $303.05 United Airlines (out CLD–SFO 5599 13:49–15:20, back SFO–CLD 5510 10:15–12:01; nonstop out, nonstop back). Checked 2026-10-28T18:27:35Z.
  • 2026-12-19–2026-12-26 (return 7 days later): $303.05 United Airlines (out CLD–SFO 5599 13:47–15:22, back SFO–CLD 5510 10:25–12:11; nonstop out, nonstop back). Checked 2026-10-28T19:10:23Z.

January 2027

  • 2027-01-09–2027-01-23 (return 14 days later): $303.05 United Airlines (out CLD–SFO 5599 13:58–15:34, back SFO–CLD 5510 10:35–12:21; nonstop out, nonstop back). Checked 2026-10-28T19:15:00Z.
  • 2027-01-15–2027-01-18 (return 3 days later): $303.05 United Airlines (out CLD–SFO 5599 13:58–15:34, back SFO–CLD 5510 10:35–12:21; nonstop out, nonstop back). Checked 2026-10-28T19:16:09Z.
  • 2027-01-16–2027-01-23 (return 7 days later): $303.05 United Airlines (out CLD–SFO 5599 13:58–15:34, back SFO–CLD 5510 10:35–12:21; nonstop out, nonstop back). Checked 2026-10-28T19:18:23Z.

February 2027

  • 2027-02-12–2027-02-16 (return 4 days later): $303.05 United Airlines (out CLD–SFO 5599 13:48–15:24, back SFO–CLD 5510 10:50–12:36; nonstop out, nonstop back). Checked 2026-10-28T19:19:26Z.
  • 2027-02-13–2027-02-20 (return 7 days later): $303.05 United Airlines (out CLD–SFO 5599 13:48–15:24, back SFO–CLD 5510 10:50–12:36; nonstop out, nonstop back). Checked 2026-10-28T19:22:17Z.

March 2027

  • 2027-03-06–2027-03-13 (return 7 days later): $303.05 United Airlines (out CLD–SFO 5519 07:45–09:30, back SFO–CLD 5508 18:30–20:18; nonstop out, nonstop back). Checked 2026-10-28T19:23:21Z.
  • 2027-03-13–2027-03-20 (return 7 days later): $303.05 United Airlines (out CLD–SFO 5519 07:45–09:30, back SFO–CLD 5508 18:30–20:18; nonstop out, nonstop back). Checked 2026-10-28T19:25:01Z.
  • 2027-03-25–2027-03-29 (return 4 days later): $303.05 United Airlines (out CLD–SFO 5519 07:45–09:30, back SFO–CLD 5508 18:30–20:18; nonstop out, nonstop back). Checked 2026-10-28T19:28:39Z.

April 2027

  • 2027-04-10–2027-04-17 (return 7 days later): $303.05 United Airlines (out CLD–SFO 5519 07:45–09:30, back SFO–CLD 5508 18:30–20:18; nonstop out, nonstop back). Checked 2026-10-28T19:29:55Z.

May 2027

  • 2027-05-08–2027-05-15 (return 7 days later): $303.05 United Airlines (out CLD–SFO 5519 07:45–09:30, back SFO–CLD 5508 18:30–20:18; nonstop out, nonstop back). Checked 2026-10-28T19:31:20Z.
  • 2027-05-28–2027-05-31 (return 3 days later): $303.05 United Airlines (out CLD–SFO 5519 07:45–09:30, back SFO–CLD 5508 18:30–20:18; nonstop out, nonstop back). Checked 2026-10-28T19:32:40Z.

June 2027

  • 2027-06-12–2027-06-19 (return 7 days later): $303.05 United Airlines (out CLD–SFO 5519 07:45–09:30, back SFO–CLD 5508 18:30–20:18; nonstop out, nonstop back). Checked 2026-10-28T19:34:16Z.
  • 2027-06-25–2027-06-28 (return 3 days later): $303.05 United Airlines (out CLD–SFO 5519 07:45–09:30, back SFO–CLD 5508 18:30–20:18; nonstop out, nonstop back). Checked 2026-10-29T00:01:28Z.

July 2027

  • 2027-07-02–2027-07-05 (return 3 days later): $303.05 United Airlines (out CLD–SFO 5519 07:45–09:30, back SFO–CLD 5508 18:30–20:18; nonstop out, nonstop back). Checked 2026-10-28T19:39:45Z.
  • 2027-07-10–2027-07-17 (return 7 days later): $303.05 United Airlines (out CLD–SFO 5519 07:45–09:30, back SFO–CLD 5508 18:30–20:18; nonstop out, nonstop back). Checked 2026-10-28T19:41:33Z.

August 2027

  • 2027-08-07–2027-08-14 (return 7 days later): $303.05 United Airlines (out CLD–SFO 5519 07:45–09:30, back SFO–CLD 5508 18:30–20:18; nonstop out, nonstop back). Checked 2026-10-28T19:43:35Z.

September 2027

  • 2027-09-03–2027-09-06 (return 3 days later): $303.05 United Airlines (out CLD–SFO 5519 07:45–09:30, back SFO–CLD 5508 18:30–20:18; nonstop out, nonstop back). Checked 2026-10-28T19:45:41Z.
  • 2027-09-11–2027-09-18 (return 7 days later): $303.05 United Airlines (out CLD–SFO 5519 07:45–09:30, back SFO–CLD 5508 18:30–20:18; nonstop out, nonstop back). Checked 2026-10-28T19:48:27Z.

How we checked

On Oct 28, 2026, Axel priced round trips from CLD to SFO for one adult in economy: 1 Saturday departure with returns 14 days later, 12 Saturday and 2 Tuesday departures with returns 7 days later, 1 Friday and 1 Thursday departures with returns 4 days later and 5 Friday and 1 Thursday departures with returns 3 days later, November 2026 to September 2027. Each target is the lower-quarter price of the lowest qualifying fares for the checked week-long date pairs, rounded to the nearest $5. The midpoint is their median; neither is a historical market average. Shorter travel days means same-day arrivals · ≤1 stop · ≤4h out / ≤4h back. Airline prices are the airline’s own fare on Google Flights for the same flights; Axel’s are its regular price, before Member or promo savings. This is a snapshot, not a forecast. Check bags and change rules on your fare.

Airports covered: CLD → SFO. Each example names its actual airports.

Check current prices for your dates and travelers

Other available fares

CLD–SFO · 2026-11-21–2026-11-28 · 1 adult

Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability.

  • $303.05 · United Airlines 5599 · 13:47–15:30 local · Nonstop · 1h 43m. Airline fare: $319.

Captured example · October 28, 2026 at 07:01 PM UTC

CLD–SFO · 2026-11-10–2026-11-17 · 1 adult

Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability.

  • $358.34 · American Airlines 4225 / 2234 · 12:29–19:39 local · 1 stop (PHX) · 7h 10m. Airline fare: $378.

  • $359.10 · United Airlines 5599 · 13:47–15:30 local · Nonstop · 1h 43m. Airline fare: $379.

Captured example · October 28, 2026 at 06:27 PM UTC

CLD–SFO · 2026-12-19–2026-12-26 · 1 adult

Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability.

  • $303.05 · United Airlines 5599 · 13:47–15:22 local · Nonstop · 1h 35m. Airline fare: $319.

  • $391.11 · American Airlines 4225 / 2846 · 12:12–16:19 local · 1 stop (PHX) · 4h 7m. Airline fare: $413.

Captured example · October 28, 2026 at 07:10 PM UTC

CLD–SFO · 2026-12-03–2026-12-06 · 1 adult

Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability.

  • $303.05 · United Airlines 5599 · 13:49–15:20 local · Nonstop · 1h 31m. Airline fare: $319.

  • $320.52 · American Airlines 3567 / 2427 · 17:00–23:09 local · 1 stop (PHX) · 6h 9m. Airline fare: $339.

Captured example · October 28, 2026 at 07:04 PM UTC

CLD–SFO · 2026-12-08–2026-12-15 · 1 adult

Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability.

  • $303.05 · United Airlines 5599 · 13:49–15:20 local · Nonstop · 1h 31m. Airline fare: $319.

  • $303.05 · American Airlines 4225 / 2234 · 12:25–19:13 local · 1 stop (PHX) · 6h 48m. Airline fare: $319.

Captured example · October 28, 2026 at 06:27 PM UTC

CLD–SFO · 2027-01-16–2027-01-23 · 1 adult

Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability.

  • $303.05 · United Airlines 5599 · 13:58–15:34 local · Nonstop · 1h 36m. Airline fare: $319.

  • $303.05 · American Airlines 4225 / 2234 · 12:30–20:01 local · 1 stop (PHX) · 7h 31m. Airline fare: $319.

Captured example · October 28, 2026 at 07:18 PM UTC

CLD–SFO · 2027-01-15–2027-01-18 · 1 adult

Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability.

  • $303.05 · United Airlines 5599 · 13:58–15:34 local · Nonstop · 1h 36m. Airline fare: $319.

  • $320.52 · American Airlines 4226 / 1061 · 18:56–23:10 local · 1 stop (PHX) · 4h 14m. Airline fare: $339.

Captured example · October 28, 2026 at 07:16 PM UTC

CLD–SFO · 2027-01-09–2027-01-23 · 1 adult

Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability.

  • $303.05 · United Airlines 5599 · 13:58–15:34 local · Nonstop · 1h 36m. Airline fare: $319.

  • $303.05 · American Airlines 4225 / 2234 · 12:30–20:01 local · 1 stop (PHX) · 7h 31m. Airline fare: $319.

Captured example · October 28, 2026 at 07:15 PM UTC

CLD–SFO · 2027-02-13–2027-02-20 · 1 adult

Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability.

  • $303.05 · United Airlines 5599 · 13:48–15:24 local · Nonstop · 1h 36m. Airline fare: $319.

  • $320.52 · American Airlines 4225 / 1781 · 12:03–16:32 local · 1 stop (PHX) · 4h 29m. Airline fare: $339.

Captured example · October 28, 2026 at 07:22 PM UTC

CLD–SFO · 2027-02-12–2027-02-16 · 1 adult

Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability.

  • $303.05 · United Airlines 5599 · 13:48–15:24 local · Nonstop · 1h 36m. Airline fare: $319.

  • $362.12 · American Airlines 4225 / 1781 · 12:03–16:32 local · 1 stop (PHX) · 4h 29m. Airline fare: $383.

Captured example · October 28, 2026 at 07:19 PM UTC

CLD–SFO · 2027-03-25–2027-03-29 · 1 adult

Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability.

  • $303.05 · United Airlines 5599 · 13:40–15:25 local · Nonstop · 1h 45m. Airline fare: $319.

Captured example · October 28, 2026 at 07:28 PM UTC

CLD–SFO · 2027-03-13–2027-03-20 · 1 adult

Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability.

  • $303.05 · United Airlines 5599 · 13:40–15:25 local · Nonstop · 1h 45m. Airline fare: $319.

  • $462.62 · American Airlines 4225 / 1781 · 12:03–16:32 local · 1 stop (PHX) · 4h 29m. Airline fare: $488.

Captured example · October 28, 2026 at 07:25 PM UTC

CLD–SFO · 2027-03-06–2027-03-13 · 1 adult

Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability.

  • $303.05 · United Airlines 5599 · 13:40–15:25 local · Nonstop · 1h 45m. Airline fare: $319.

  • $413.40 · American Airlines 4225 / 1781 · 12:03–16:32 local · 1 stop (PHX) · 4h 29m. Airline fare: $437.

Captured example · October 28, 2026 at 07:23 PM UTC

CLD–SFO · 2027-04-10–2027-04-17 · 1 adult

Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability.

  • $303.05 · United Airlines 5501 · 18:00–19:45 local · Nonstop · 1h 45m. Airline fare: $319.

  • $433.49 · American Airlines 4022 / 2423 · 06:35–12:31 local · 1 stop (PHX) · 5h 56m. Airline fare: $458.

Captured example · October 28, 2026 at 07:29 PM UTC

CLD–SFO · 2027-05-28–2027-05-31 · 1 adult

Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability.

  • $303.05 · United Airlines 5501 · 18:00–19:45 local · Nonstop · 1h 45m. Airline fare: $319.

  • $528.53 · American Airlines 3509 / 644 · 12:21–16:06 local · 1 stop (PHX) · 3h 45m. Airline fare: $559.

Captured example · October 28, 2026 at 07:32 PM UTC

CLD–SFO · 2027-05-08–2027-05-15 · 1 adult

Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability.

  • $303.05 · United Airlines 5501 · 18:00–19:45 local · Nonstop · 1h 45m. Airline fare: $319.

  • $320.52 · American Airlines 4022 / 2423 · 06:35–12:31 local · 1 stop (PHX) · 5h 56m. Airline fare: $339.

Captured example · October 28, 2026 at 07:31 PM UTC

CLD–SFO · 2027-06-25–2027-06-28 · 1 adult

Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability.

  • $303.05 · United Airlines 5501 · 18:00–19:45 local · Nonstop · 1h 45m. Airline fare: $319.

  • $362.12 · American Airlines 3509 / 644 · 12:21–16:06 local · 1 stop (PHX) · 3h 45m. Airline fare: $383.

Captured example · October 29, 2026 at 12:01 AM UTC

CLD–SFO · 2027-06-12–2027-06-19 · 1 adult

Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability.

  • $303.05 · United Airlines 5501 · 18:00–19:45 local · Nonstop · 1h 45m. Airline fare: $319.

  • $367.26 · American Airlines 3509 / 644 · 12:21–16:06 local · 1 stop (PHX) · 3h 45m. Airline fare: $387.

Captured example · October 28, 2026 at 07:34 PM UTC

CLD–SFO · 2027-07-10–2027-07-17 · 1 adult

Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability.

  • $303.05 · United Airlines 5501 · 18:00–19:45 local · Nonstop · 1h 45m. Airline fare: $319.

  • $344.85 · American Airlines 3509 / 644 · 12:19–16:05 local · 1 stop (PHX) · 3h 46m. Airline fare: $363.

Captured example · October 28, 2026 at 07:41 PM UTC

CLD–SFO · 2027-07-02–2027-07-05 · 1 adult

Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability.

  • $303.05 · United Airlines 5519 · 07:45–09:30 local · Nonstop · 1h 45m. Airline fare: $319.

  • $452.19 · American Airlines 3509 / 644 · 12:19–16:05 local · 1 stop (PHX) · 3h 46m. Airline fare: $477.

Captured example · October 28, 2026 at 07:39 PM UTC

CLD–SFO · 2027-08-07–2027-08-14 · 1 adult

Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability.

  • $303.05 · United Airlines 5501 · 18:00–19:45 local · Nonstop · 1h 45m. Airline fare: $319.

  • $367.26 · American Airlines 3509 / 644 · 12:19–16:05 local · 1 stop (PHX) · 3h 46m. Airline fare: $387.

Captured example · October 28, 2026 at 07:43 PM UTC

CLD–SFO · 2027-09-11–2027-09-18 · 1 adult

Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability.

  • $303.05 · United Airlines 5501 · 18:00–19:45 local · Nonstop · 1h 45m. Airline fare: $319.

  • $320.52 · American Airlines 3387 / 2860 · 12:19–16:09 local · 1 stop (PHX) · 3h 50m. Airline fare: $339.

Captured example · October 28, 2026 at 07:48 PM UTC

CLD–SFO · 2027-09-03–2027-09-06 · 1 adult

Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability.

  • $303.05 · United Airlines 5501 · 18:00–19:45 local · Nonstop · 1h 45m. Airline fare: $319.

  • $508.41 · American Airlines 4204 / 686 · 16:45–22:36 local · 1 stop (PHX) · 5h 51m. Airline fare: $538.

Captured example · October 28, 2026 at 07:45 PM UTC

Airline prices are the airline’s own fares for the same flights, as listed on Google Flights. Airline checkout totals were not separately verified.

Airline ratings: United Airlines 6.4/10 · American Airlines 6.2/10. Every airline rated.

Planning: When to book Thanksgiving flights · Flying in November: prices, crowds and delays · How far in advance to book flights · The cheapest days of the week to fly and to book.

Trip ideas from Carlsbad, CA (CLD) with San Francisco (SFO)

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Source: https://helloaxel.com/en/flights/from-carlsbad-cld-to-san-francisco-sfo

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