Travel with Axel,
get the best price.

Chicago → San Diego

Dec 21, 2026 · return Jan 4, 2027

ORD → SAN1 adulteconomyRound trip

12 flight options · 5 airlines

Nonstop flights

Mon, Dec 21 – Mon, Jan 4

Alaska Airlines
7:27 amORD
4h 45m
Nonstop
10:12 amSAN
Alaska Airlines
7:00 amSAN
4h 15m
Nonstop
1:15 pmORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

American Airlines
4:45 pmORD
4h 33m
Nonstop
7:18 pmSAN
American Airlines
10:33 pmSAN
4h 4m
Nonstop
4:37 am+1ORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

United Airlines
7:00 amORD
4h 27m
Nonstop
9:27 amSAN
United Airlines
10:30 pmSAN
4h 12m
Nonstop
4:42 am+1ORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

Alaska Airlines
2:13 pmORD
4h 47m
Nonstop
5:00 pmSAN
Alaska Airlines
7:00 amSAN
4h 15m
Nonstop
1:15 pmORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

American Airlines
9:00 pmORD
4h 36m
Nonstop
11:36 pmSAN
American Airlines
10:33 pmSAN
4h 4m
Nonstop
4:37 am+1ORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

United Airlines
12:40 pmORD
4h 34m
Nonstop
3:14 pmSAN
United Airlines
10:30 pmSAN
4h 12m
Nonstop
4:42 am+1ORD

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Mon, Jan 4

Frontier Airlines
6:21 amORD
7h 16m
LAS · 1h 41m
11:37 amSAN
Frontier Airlines
4:16 pmSAN
6h 10m
DEN · 1h 9m
12:26 am+1ORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

Delta Air Lines
2:25 pmORD
6h 41m
LAX · 1h 10m
7:06 pmSAN
American Airlines
10:33 pmSAN
4h 4m
Nonstop
4:37 am+1ORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

American Airlines
6:50 amORD
7h 23m
LAS · 1h 39m
12:13 pmSAN
American Airlines
10:33 pmSAN
4h 4m
Nonstop
4:37 am+1ORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

American Airlines
8:10 amORD
7h 20m
SLC · 1h 16m
1:30 pmSAN
American Airlines
10:33 pmSAN
4h 4m
Nonstop
4:37 am+1ORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

United Airlines
6:00 amORD
7h 15m
LAX · 1h 31m
11:15 amSAN
United Airlines
10:30 pmSAN
4h 12m
Nonstop
4:42 am+1ORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

United Airlines
12:23 pmORD
6h 52m
DEN · 1h 27m
5:15 pmSAN
United Airlines
10:30 pmSAN
4h 12m
Nonstop
4:42 am+1ORD

Round-trip total · 1 adult · Taxes included

Make this trip yours

ORD ⇄ SAN

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

No account needed to see prices.

Already have an account? Log in

Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, Alaska Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

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. How Axel works · About

More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-21 → 2027-01-04Alaska AirlinesAS1470 / AS1446$370.132026-10-29T01:53:19Z
2026-12-21 → 2027-01-04American AirlinesAA3111 / AA3111$387.752026-10-29T01:53:19Z
2026-12-21 → 2027-01-04United AirlinesUA2428 / UA540$399.502026-10-29T01:53:19Z
2026-12-21 → 2027-01-04Frontier AirlinesF92145 + F91326 / F92422 + F93174$211.502026-10-29T01:53:19Z
2026-12-21 → 2027-01-04Delta Air Lines / American AirlinesDL756 + DL4087 / AA3111$391.252026-10-29T01:53:19Z
2026-12-21 → 2027-01-04Alaska AirlinesAS1447 / AS1446$370.132026-10-29T01:53:19Z
2026-12-21 → 2027-01-04American AirlinesAA2657 / AA3111$387.752026-10-29T01:53:19Z
2026-12-21 → 2027-01-04United AirlinesUA2384 / UA540$399.502026-10-29T01:53:19Z
2026-12-21 → 2027-01-04American AirlinesAA3312 + AS3032 / AA3111$370.252026-10-29T01:53:19Z
2026-12-21 → 2027-01-04American AirlinesAA3186 + AS3119 / AA3111$370.252026-10-29T01:53:19Z
2026-12-21 → 2027-01-04United AirlinesUA1333 + UA1365 / UA540$382.002026-10-29T01:53:19Z
2026-12-21 → 2027-01-04United AirlinesUA2465 + UA1281 / UA540$382.002026-10-29T01:53:19Z

2026-12-21 → 2027-01-04 · $370.13

  • Alaska Airlines AS1470: ORD 2026-12-21 07:27:00 → SAN 2026-12-21 10:12:00; nonstop; 285 minutes. Local airport times.
  • Alaska Airlines AS1446: SAN 2027-01-04 07:00:00 → ORD 2027-01-04 13:15:00; nonstop; 255 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $387.75

  • American Airlines AA3111: ORD 2026-12-21 16:45:00 → SAN 2026-12-21 19:18:00; nonstop; 273 minutes. Local airport times.
  • American Airlines AA3111: SAN 2027-01-04 22:33:00 → ORD 2027-01-05 04:37:00; nonstop; 244 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $399.50

  • United Airlines UA2428: ORD 2026-12-21 07:00:00 → SAN 2026-12-21 09:27:00; nonstop; 267 minutes. Local airport times.
  • United Airlines UA540: SAN 2027-01-04 22:30:00 → ORD 2027-01-05 04:42:00; nonstop; 252 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $211.50

  • Frontier Airlines F92145 / F91326: ORD 2026-12-21 06:21:00 → SAN 2026-12-21 11:37:00; 1 stop(s) via LAS; 436 minutes. Local airport times.
    • F92145: ORD 2026-12-21 06:21:00 → LAS 2026-12-21 08:34:00; layover at LAS: 101 minutes.
    • F91326: LAS 2026-12-21 10:15:00 → SAN 2026-12-21 11:37:00.
  • Frontier Airlines F92422 / F93174: SAN 2027-01-04 16:16:00 → ORD 2027-01-05 00:26:00; 1 stop(s) via DEN; 370 minutes. Local airport times.
    • F92422: SAN 2027-01-04 16:16:00 → DEN 2027-01-04 19:50:00; layover at DEN: 69 minutes.
    • F93174: DEN 2027-01-04 20:59:00 → ORD 2027-01-05 00:26:00.

2026-12-21 → 2027-01-04 · $391.25

  • Delta Air Lines DL756 / DL4087: ORD 2026-12-21 14:25:00 → SAN 2026-12-21 19:06:00; 1 stop(s) via LAX; 401 minutes. Local airport times.
    • DL756: ORD 2026-12-21 14:25:00 → LAX 2026-12-21 16:59:00; layover at LAX: 70 minutes.
    • DL4087: LAX 2026-12-21 18:09:00 → SAN 2026-12-21 19:06:00.
  • American Airlines AA3111: SAN 2027-01-04 22:33:00 → ORD 2027-01-05 04:37:00; nonstop; 244 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $370.13

  • Alaska Airlines AS1447: ORD 2026-12-21 14:13:00 → SAN 2026-12-21 17:00:00; nonstop; 287 minutes. Local airport times.
  • Alaska Airlines AS1446: SAN 2027-01-04 07:00:00 → ORD 2027-01-04 13:15:00; nonstop; 255 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $387.75

  • American Airlines AA2657: ORD 2026-12-21 21:00:00 → SAN 2026-12-21 23:36:00; nonstop; 276 minutes. Local airport times.
  • American Airlines AA3111: SAN 2027-01-04 22:33:00 → ORD 2027-01-05 04:37:00; nonstop; 244 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $399.50

  • United Airlines UA2384: ORD 2026-12-21 12:40:00 → SAN 2026-12-21 15:14:00; nonstop; 274 minutes. Local airport times.
  • United Airlines UA540: SAN 2027-01-04 22:30:00 → ORD 2027-01-05 04:42:00; nonstop; 252 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $370.25

  • American Airlines AA3312 / AS3032: ORD 2026-12-21 06:50:00 → SAN 2026-12-21 12:13:00; 1 stop(s) via LAS; 443 minutes. Local airport times.
    • AA3312: ORD 2026-12-21 06:50:00 → LAS 2026-12-21 08:58:00; layover at LAS: 99 minutes.
    • AS3032: LAS 2026-12-21 10:37:00 → SAN 2026-12-21 12:13:00.
  • American Airlines AA3111: SAN 2027-01-04 22:33:00 → ORD 2027-01-05 04:37:00; nonstop; 244 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $370.25

  • American Airlines AA3186 / AS3119: ORD 2026-12-21 08:10:00 → SAN 2026-12-21 13:30:00; 1 stop(s) via SLC; 440 minutes. Local airport times.
    • AA3186: ORD 2026-12-21 08:10:00 → SLC 2026-12-21 10:56:00; layover at SLC: 76 minutes.
    • AS3119: SLC 2026-12-21 12:12:00 → SAN 2026-12-21 13:30:00.
  • American Airlines AA3111: SAN 2027-01-04 22:33:00 → ORD 2027-01-05 04:37:00; nonstop; 244 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $382.00

  • United Airlines UA1333 / UA1365: ORD 2026-12-21 06:00:00 → SAN 2026-12-21 11:15:00; 1 stop(s) via LAX; 435 minutes. Local airport times.
    • UA1333: ORD 2026-12-21 06:00:00 → LAX 2026-12-21 08:44:00; layover at LAX: 91 minutes.
    • UA1365: LAX 2026-12-21 10:15:00 → SAN 2026-12-21 11:15:00.
  • United Airlines UA540: SAN 2027-01-04 22:30:00 → ORD 2027-01-05 04:42:00; nonstop; 252 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $382.00

  • United Airlines UA2465 / UA1281: ORD 2026-12-21 12:23:00 → SAN 2026-12-21 17:15:00; 1 stop(s) via DEN; 412 minutes. Local airport times.
    • UA2465: ORD 2026-12-21 12:23:00 → DEN 2026-12-21 14:18:00; layover at DEN: 87 minutes.
    • UA1281: DEN 2026-12-21 15:45:00 → SAN 2026-12-21 17:15:00.
  • United Airlines UA540: SAN 2027-01-04 22:30:00 → ORD 2027-01-05 04:42:00; nonstop; 252 minutes. Local airport times.

More dates for this route