Travel with Axel,
get the best price.

San Diego → Indianapolis

Dec 16, 2026 · return Dec 22, 2026

SAN → IND1 adulteconomyRound trip

6 flight options · 5 airlines

One-stop flights

Wed, Dec 16 – Tue, Dec 22

Frontier Airlines
6:30 amSAN
6h 12m
DEN · 1h 10m
3:42 pmIND
Southwest Airlines
6:55 amIND
6h 15m
DEN · 1h 5m
10:10 amSAN

Round-trip total · 1 adult · Taxes included

Wed, Dec 16 – Tue, Dec 22

Alaska Airlines
9:28 amSAN
6h 47m
DFW · 1h 35m
7:15 pmIND
Southwest Airlines
6:55 amIND
6h 15m
DEN · 1h 5m
10:10 amSAN

Round-trip total · 1 adult · Taxes included

Wed, Dec 16 – Tue, Dec 22

Southwest Airlines
4:05 pmSAN
3h 55m
Nonstop
11:00 pmIND
Southwest Airlines
6:55 amIND
6h 15m
DEN · 1h 5m
10:10 amSAN

Round-trip total · 1 adult · Taxes included

Wed, Dec 16 – Tue, Dec 22

United Airlines
8:40 amSAN
6h 14m
DEN · 1h 19m
5:54 pmIND
United Airlines
5:10 pmIND
7h 22m
IAH · 1h 9m
9:32 pmSAN

Round-trip total · 1 adult · Taxes included

Wed, Dec 16 – Tue, Dec 22

Delta Air Lines
1:36 pmSAN
6h 18m
SLC · 1h 10m
10:54 pmIND
Delta Air Lines
4:19 pmIND
7h 5m
MSP · 1h 19m
8:24 pmSAN

Round-trip total · 1 adult · Taxes included

Wed, Dec 16 – Tue, Dec 22

Alaska Airlines
9:11 pmSAN
5h 56m
PHX · 1h 8m
6:07 am+1IND
Southwest Airlines
6:55 amIND
6h 15m
DEN · 1h 5m
10:10 amSAN

Round-trip total · 1 adult · Taxes included

Make this trip yours

SAN ⇄ IND

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, Frontier 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)
2026-12-16 → 2026-12-22Frontier Airlines / Southwest AirlinesF92818 + F92346 / WN4434 + WN1308$314.502026-10-29T01:09:22Z
2026-12-16 → 2026-12-22Alaska Airlines / Southwest AirlinesAS400 + AA1505 / WN4434 + WN1308$384.502026-10-29T01:09:22Z
2026-12-16 → 2026-12-22Southwest AirlinesWN3709 / WN4434 + WN1308$394.502026-10-29T01:09:22Z
2026-12-16 → 2026-12-22United AirlinesUA2476 + UA2288 / UA1420 + UA537$414.002026-10-29T01:09:22Z
2026-12-16 → 2026-12-22Delta Air LinesDL1296 + DL2228 / DL2910 + DL2145$431.252026-10-29T01:09:22Z
2026-12-16 → 2026-12-22Alaska Airlines / Southwest AirlinesAS2297 + AA2200 / WN4434 + WN1308$384.502026-10-29T01:09:22Z

2026-12-16 → 2026-12-22 · $314.50

  • Frontier Airlines F92818 / F92346: SAN 2026-12-16 06:30:00 → IND 2026-12-16 15:42:00; 1 stop(s) via DEN; 372 minutes. Local airport times.
    • F92818: SAN 2026-12-16 06:30:00 → DEN 2026-12-16 10:04:00; layover at DEN: 70 minutes.
    • F92346: DEN 2026-12-16 11:14:00 → IND 2026-12-16 15:42:00.
  • Southwest Airlines WN4434 / WN1308: IND 2026-12-22 06:55:00 → SAN 2026-12-22 10:10:00; 1 stop(s) via DEN; 375 minutes. Local airport times.
    • WN4434: IND 2026-12-22 06:55:00 → DEN 2026-12-22 07:45:00; layover at DEN: 65 minutes.
    • WN1308: DEN 2026-12-22 08:50:00 → SAN 2026-12-22 10:10:00.

2026-12-16 → 2026-12-22 · $384.50

  • Alaska Airlines AS400 / AA1505: SAN 2026-12-16 09:28:00 → IND 2026-12-16 19:15:00; 1 stop(s) via DFW; 407 minutes. Local airport times.
    • AS400: SAN 2026-12-16 09:28:00 → DFW 2026-12-16 14:31:00; layover at DFW: 95 minutes.
    • AA1505: DFW 2026-12-16 16:06:00 → IND 2026-12-16 19:15:00.
  • Southwest Airlines WN4434 / WN1308: IND 2026-12-22 06:55:00 → SAN 2026-12-22 10:10:00; 1 stop(s) via DEN; 375 minutes. Local airport times.
    • WN4434: IND 2026-12-22 06:55:00 → DEN 2026-12-22 07:45:00; layover at DEN: 65 minutes.
    • WN1308: DEN 2026-12-22 08:50:00 → SAN 2026-12-22 10:10:00.

2026-12-16 → 2026-12-22 · $394.50

  • Southwest Airlines WN3709: SAN 2026-12-16 16:05:00 → IND 2026-12-16 23:00:00; nonstop; 235 minutes. Local airport times.
  • Southwest Airlines WN4434 / WN1308: IND 2026-12-22 06:55:00 → SAN 2026-12-22 10:10:00; 1 stop(s) via DEN; 375 minutes. Local airport times.
    • WN4434: IND 2026-12-22 06:55:00 → DEN 2026-12-22 07:45:00; layover at DEN: 65 minutes.
    • WN1308: DEN 2026-12-22 08:50:00 → SAN 2026-12-22 10:10:00.

2026-12-16 → 2026-12-22 · $414.00

  • United Airlines UA2476 / UA2288: SAN 2026-12-16 08:40:00 → IND 2026-12-16 17:54:00; 1 stop(s) via DEN; 374 minutes. Local airport times.
    • UA2476: SAN 2026-12-16 08:40:00 → DEN 2026-12-16 12:06:00; layover at DEN: 79 minutes.
    • UA2288: DEN 2026-12-16 13:25:00 → IND 2026-12-16 17:54:00.
  • United Airlines UA1420 / UA537: IND 2026-12-22 17:10:00 → SAN 2026-12-22 21:32:00; 1 stop(s) via IAH; 442 minutes. Local airport times.
    • UA1420: IND 2026-12-22 17:10:00 → IAH 2026-12-22 18:53:00; layover at IAH: 69 minutes.
    • UA537: IAH 2026-12-22 20:02:00 → SAN 2026-12-22 21:32:00.

2026-12-16 → 2026-12-22 · $431.25

  • Delta Air Lines DL1296 / DL2228: SAN 2026-12-16 13:36:00 → IND 2026-12-16 22:54:00; 1 stop(s) via SLC; 378 minutes. Local airport times.
    • DL1296: SAN 2026-12-16 13:36:00 → SLC 2026-12-16 16:40:00; layover at SLC: 70 minutes.
    • DL2228: SLC 2026-12-16 17:50:00 → IND 2026-12-16 22:54:00.
  • Delta Air Lines DL2910 / DL2145: IND 2026-12-22 16:19:00 → SAN 2026-12-22 20:24:00; 1 stop(s) via MSP; 425 minutes. Local airport times.
    • DL2910: IND 2026-12-22 16:19:00 → MSP 2026-12-22 17:05:00; layover at MSP: 79 minutes.
    • DL2145: MSP 2026-12-22 18:24:00 → SAN 2026-12-22 20:24:00.

2026-12-16 → 2026-12-22 · $384.50

  • Alaska Airlines AS2297 / AA2200: SAN 2026-12-16 21:11:00 → IND 2026-12-17 06:07:00; 1 stop(s) via PHX; 356 minutes. Local airport times.
    • AS2297: SAN 2026-12-16 21:11:00 → PHX 2026-12-16 23:37:00; layover at PHX: 68 minutes.
    • AA2200: PHX 2026-12-17 00:45:00 → IND 2026-12-17 06:07:00.
  • Southwest Airlines WN4434 / WN1308: IND 2026-12-22 06:55:00 → SAN 2026-12-22 10:10:00; 1 stop(s) via DEN; 375 minutes. Local airport times.
    • WN4434: IND 2026-12-22 06:55:00 → DEN 2026-12-22 07:45:00; layover at DEN: 65 minutes.
    • WN1308: DEN 2026-12-22 08:50:00 → SAN 2026-12-22 10:10:00.

More dates for this route