Travel with Axel,
get the best price.

Chicago → San Diego

Dec 13, 2026 · return Dec 27, 2026

ORD → SAN1 adulteconomyRound trip

12 flight options · 5 airlines

Nonstop flights

Sun, Dec 13 – Sun, Dec 27

Alaska Airlines
2:16 pmORD
4h 45m
Nonstop
5:01 pmSAN
Alaska Airlines
5:32 pmSAN
4h 17m
Nonstop
11:49 pmORD

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sun, Dec 27

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

Sun, Dec 13 – Sun, Dec 27

United Airlines
12:40 pmORD
4h 32m
Nonstop
3:12 pmSAN
United Airlines
10:30 pmSAN
4h 4m
Nonstop
4:34 am+1ORD

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sun, Dec 27

Alaska Airlines
7:58 pmORD
4h 47m
Nonstop
10:45 pmSAN
Alaska Airlines
5:32 pmSAN
4h 17m
Nonstop
11:49 pmORD

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sun, Dec 27

American Airlines
9:20 pmORD
4h 34m
Nonstop
11:54 pmSAN
American Airlines
10:33 pmSAN
4h 4m
Nonstop
4:37 am+1ORD

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sun, Dec 27

United Airlines
8:50 amORD
4h 37m
Nonstop
11:27 amSAN
United Airlines
10:30 pmSAN
4h 4m
Nonstop
4:34 am+1ORD

Round-trip total · 1 adult · Taxes included

One-stop flights

Sun, Dec 13 – Sun, Dec 27

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

Sun, Dec 13 – Sun, Dec 27

Delta Air Lines
2:25 pmORD
6h 41m
LAX · 1h 10m
7:06 pmSAN
United Airlines
10:30 pmSAN
4h 4m
Nonstop
4:34 am+1ORD

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sun, Dec 27

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

Sun, Dec 13 – Sun, Dec 27

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

Sun, Dec 13 – Sun, Dec 27

United Airlines
12:23 pmORD
6h 52m
DEN · 1h 27m
5:15 pmSAN
United Airlines
10:30 pmSAN
4h 4m
Nonstop
4:34 am+1ORD

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sun, Dec 27

United Airlines
6:00 amORD
7h 15m
LAX · 1h 31m
11:15 amSAN
United Airlines
10:30 pmSAN
4h 4m
Nonstop
4:34 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 5, 2026 → Nov 8, 2026Nov 14, 2026 → Nov 21, 2026Nov 24, 2026 → Nov 29, 2026Dec 5, 2026 → Dec 12, 2026Dec 17, 2026 → Dec 20, 2026Dec 26, 2026 → Jan 2, 2027Jan 5, 2027 · One wayJan 16, 2027 → Jan 23, 2027Feb 5, 2027 → Feb 8, 2027Apr 3, 2027 → Apr 10, 2027Jun 26, 2027 → Jul 3, 2027Sep 17, 2027 → Sep 20, 2027
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)
2026-12-13 → 2026-12-27Alaska AirlinesAS1447 / AS1493$378.002026-10-29T01:53:19Z
2026-12-13 → 2026-12-27American AirlinesAA3111 / AA3111$396.002026-10-29T01:53:19Z
2026-12-13 → 2026-12-27United AirlinesUA2384 / UA540$408.002026-10-29T01:53:19Z
2026-12-13 → 2026-12-27Frontier AirlinesF92145 + F91326 / F92422 + F93174$216.002026-10-29T01:53:19Z
2026-12-13 → 2026-12-27Delta Air Lines / United AirlinesDL756 + DL4087 / UA540$405.502026-10-29T01:53:19Z
2026-12-13 → 2026-12-27Alaska AirlinesAS1479 / AS1493$378.002026-10-29T01:53:19Z
2026-12-13 → 2026-12-27American AirlinesAA1861 / AA3111$396.002026-10-29T01:53:19Z
2026-12-13 → 2026-12-27United AirlinesUA660 / UA540$408.002026-10-29T01:53:19Z
2026-12-13 → 2026-12-27American AirlinesAA3312 + AS3032 / AA3111$383.502026-10-29T01:53:19Z
2026-12-13 → 2026-12-27American AirlinesAA3186 + AS3119 / AA3111$383.502026-10-29T01:53:19Z
2026-12-13 → 2026-12-27United AirlinesUA2465 + UA1281 / UA540$395.502026-10-29T01:53:19Z
2026-12-13 → 2026-12-27United AirlinesUA1333 + UA1365 / UA540$395.502026-10-29T01:53:19Z

2026-12-13 → 2026-12-27 · $378.00

  • Alaska Airlines AS1447: ORD 2026-12-13 14:16:00 → SAN 2026-12-13 17:01:00; nonstop; 285 minutes. Local airport times.
  • Alaska Airlines AS1493: SAN 2026-12-27 17:32:00 → ORD 2026-12-27 23:49:00; nonstop; 257 minutes. Local airport times.

2026-12-13 → 2026-12-27 · $396.00

  • American Airlines AA3111: ORD 2026-12-13 16:45:00 → SAN 2026-12-13 19:18:00; nonstop; 273 minutes. Local airport times.
  • American Airlines AA3111: SAN 2026-12-27 22:33:00 → ORD 2026-12-28 04:37:00; nonstop; 244 minutes. Local airport times.

2026-12-13 → 2026-12-27 · $408.00

  • United Airlines UA2384: ORD 2026-12-13 12:40:00 → SAN 2026-12-13 15:12:00; nonstop; 272 minutes. Local airport times.
  • United Airlines UA540: SAN 2026-12-27 22:30:00 → ORD 2026-12-28 04:34:00; nonstop; 244 minutes. Local airport times.

2026-12-13 → 2026-12-27 · $216.00

  • Frontier Airlines F92145 / F91326: ORD 2026-12-13 06:21:00 → SAN 2026-12-13 11:37:00; 1 stop(s) via LAS; 436 minutes. Local airport times.
    • F92145: ORD 2026-12-13 06:21:00 → LAS 2026-12-13 08:34:00; layover at LAS: 101 minutes.
    • F91326: LAS 2026-12-13 10:15:00 → SAN 2026-12-13 11:37:00.
  • Frontier Airlines F92422 / F93174: SAN 2026-12-27 16:16:00 → ORD 2026-12-28 00:26:00; 1 stop(s) via DEN; 370 minutes. Local airport times.
    • F92422: SAN 2026-12-27 16:16:00 → DEN 2026-12-27 19:50:00; layover at DEN: 69 minutes.
    • F93174: DEN 2026-12-27 20:59:00 → ORD 2026-12-28 00:26:00.

2026-12-13 → 2026-12-27 · $405.50

  • Delta Air Lines DL756 / DL4087: ORD 2026-12-13 14:25:00 → SAN 2026-12-13 19:06:00; 1 stop(s) via LAX; 401 minutes. Local airport times.
    • DL756: ORD 2026-12-13 14:25:00 → LAX 2026-12-13 16:59:00; layover at LAX: 70 minutes.
    • DL4087: LAX 2026-12-13 18:09:00 → SAN 2026-12-13 19:06:00.
  • United Airlines UA540: SAN 2026-12-27 22:30:00 → ORD 2026-12-28 04:34:00; nonstop; 244 minutes. Local airport times.

2026-12-13 → 2026-12-27 · $378.00

  • Alaska Airlines AS1479: ORD 2026-12-13 19:58:00 → SAN 2026-12-13 22:45:00; nonstop; 287 minutes. Local airport times.
  • Alaska Airlines AS1493: SAN 2026-12-27 17:32:00 → ORD 2026-12-27 23:49:00; nonstop; 257 minutes. Local airport times.

2026-12-13 → 2026-12-27 · $396.00

  • American Airlines AA1861: ORD 2026-12-13 21:20:00 → SAN 2026-12-13 23:54:00; nonstop; 274 minutes. Local airport times.
  • American Airlines AA3111: SAN 2026-12-27 22:33:00 → ORD 2026-12-28 04:37:00; nonstop; 244 minutes. Local airport times.

2026-12-13 → 2026-12-27 · $408.00

  • United Airlines UA660: ORD 2026-12-13 08:50:00 → SAN 2026-12-13 11:27:00; nonstop; 277 minutes. Local airport times.
  • United Airlines UA540: SAN 2026-12-27 22:30:00 → ORD 2026-12-28 04:34:00; nonstop; 244 minutes. Local airport times.

2026-12-13 → 2026-12-27 · $383.50

  • American Airlines AA3312 / AS3032: ORD 2026-12-13 06:50:00 → SAN 2026-12-13 12:13:00; 1 stop(s) via LAS; 443 minutes. Local airport times.
    • AA3312: ORD 2026-12-13 06:50:00 → LAS 2026-12-13 08:58:00; layover at LAS: 99 minutes.
    • AS3032: LAS 2026-12-13 10:37:00 → SAN 2026-12-13 12:13:00.
  • American Airlines AA3111: SAN 2026-12-27 22:33:00 → ORD 2026-12-28 04:37:00; nonstop; 244 minutes. Local airport times.

2026-12-13 → 2026-12-27 · $383.50

  • American Airlines AA3186 / AS3119: ORD 2026-12-13 08:10:00 → SAN 2026-12-13 13:30:00; 1 stop(s) via SLC; 440 minutes. Local airport times.
    • AA3186: ORD 2026-12-13 08:10:00 → SLC 2026-12-13 10:56:00; layover at SLC: 76 minutes.
    • AS3119: SLC 2026-12-13 12:12:00 → SAN 2026-12-13 13:30:00.
  • American Airlines AA3111: SAN 2026-12-27 22:33:00 → ORD 2026-12-28 04:37:00; nonstop; 244 minutes. Local airport times.

2026-12-13 → 2026-12-27 · $395.50

  • United Airlines UA2465 / UA1281: ORD 2026-12-13 12:23:00 → SAN 2026-12-13 17:15:00; 1 stop(s) via DEN; 412 minutes. Local airport times.
    • UA2465: ORD 2026-12-13 12:23:00 → DEN 2026-12-13 14:18:00; layover at DEN: 87 minutes.
    • UA1281: DEN 2026-12-13 15:45:00 → SAN 2026-12-13 17:15:00.
  • United Airlines UA540: SAN 2026-12-27 22:30:00 → ORD 2026-12-28 04:34:00; nonstop; 244 minutes. Local airport times.

2026-12-13 → 2026-12-27 · $395.50

  • United Airlines UA1333 / UA1365: ORD 2026-12-13 06:00:00 → SAN 2026-12-13 11:15:00; 1 stop(s) via LAX; 435 minutes. Local airport times.
    • UA1333: ORD 2026-12-13 06:00:00 → LAX 2026-12-13 08:44:00; layover at LAX: 91 minutes.
    • UA1365: LAX 2026-12-13 10:15:00 → SAN 2026-12-13 11:15:00.
  • United Airlines UA540: SAN 2026-12-27 22:30:00 → ORD 2026-12-28 04:34:00; nonstop; 244 minutes. Local airport times.

More dates for this route