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Seattle → Indianapolis

Dec 21, 2026 · one way

SEA → IND1 adulteconomyOne way

8 flight options · 4 airlines

Nonstop flights

Mon, Dec 21 · One way

Alaska Airlines
10:59 pmSEA
4h 4m
Nonstop
6:03 am+1IND

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Alaska Airlines
1:44 pmSEA
4h 5m
Nonstop
8:49 pmIND

One-way total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 · One way

American Airlines
11:34 pmSEA
6h 23m
ORD · 1h 9m
8:57 am+1IND

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

United Airlines
7:00 amSEA
6h 26m
ORD · 1h 4m
4:26 pmIND

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Delta Air Lines
6:00 amSEA
6h 26m
MSP · 1h 27m
3:26 pmIND

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

United Airlines
5:05 amSEA
6h 32m
DEN · 1h 28m
2:37 pmIND

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Alaska Airlines
11:40 pmSEA
6h 17m
ORD · 1h 7m
8:57 am+1IND

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Delta Air Lines
1:25 pmSEA
6h 29m
SLC · 1h 24m
10:54 pmIND

One-way total · 1 adult · Taxes included

Make this trip yours

SEA ⇄ IND

Economy

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

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  • 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.
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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 · one wayAlaska AirlinesAS264$287.002026-10-29T01:15:29Z
2026-12-21 · one wayAmerican AirlinesAA294 + AA4753$259.002026-10-29T01:15:29Z
2026-12-21 · one wayUnited AirlinesUA2618 + UA1420$266.002026-10-29T01:15:29Z
2026-12-21 · one wayDelta Air LinesDL943 + DL2910$280.002026-10-29T01:15:29Z
2026-12-21 · one wayAlaska AirlinesAS500$287.002026-10-29T01:15:29Z
2026-12-21 · one wayUnited AirlinesUA1686 + UA1522$266.002026-10-29T01:15:29Z
2026-12-21 · one wayAlaska AirlinesAS328 + AA4753$266.002026-10-29T01:15:29Z
2026-12-21 · one wayDelta Air LinesDL1120 + DL2228$280.002026-10-29T01:15:29Z

2026-12-21 · one way · $287.00

  • Alaska Airlines AS264: SEA 2026-12-21 22:59:00 → IND 2026-12-22 06:03:00; nonstop; 244 minutes. Local airport times.

2026-12-21 · one way · $259.00

  • American Airlines AA294 / AA4753: SEA 2026-12-21 23:34:00 → IND 2026-12-22 08:57:00; 1 stop(s) via ORD; 383 minutes. Local airport times.
    • AA294: SEA 2026-12-21 23:34:00 → ORD 2026-12-22 05:35:00; layover at ORD: 69 minutes.
    • AA4753: ORD 2026-12-22 06:44:00 → IND 2026-12-22 08:57:00.

2026-12-21 · one way · $266.00

  • United Airlines UA2618 / UA1420: SEA 2026-12-21 07:00:00 → IND 2026-12-21 16:26:00; 1 stop(s) via ORD; 386 minutes. Local airport times.
    • UA2618: SEA 2026-12-21 07:00:00 → ORD 2026-12-21 13:10:00; layover at ORD: 64 minutes.
    • UA1420: ORD 2026-12-21 14:14:00 → IND 2026-12-21 16:26:00.

2026-12-21 · one way · $280.00

  • Delta Air Lines DL943 / DL2910: SEA 2026-12-21 06:00:00 → IND 2026-12-21 15:26:00; 1 stop(s) via MSP; 386 minutes. Local airport times.
    • DL943: SEA 2026-12-21 06:00:00 → MSP 2026-12-21 11:19:00; layover at MSP: 87 minutes.
    • DL2910: MSP 2026-12-21 12:46:00 → IND 2026-12-21 15:26:00.

2026-12-21 · one way · $287.00

  • Alaska Airlines AS500: SEA 2026-12-21 13:44:00 → IND 2026-12-21 20:49:00; nonstop; 245 minutes. Local airport times.

2026-12-21 · one way · $266.00

  • United Airlines UA1686 / UA1522: SEA 2026-12-21 05:05:00 → IND 2026-12-21 14:37:00; 1 stop(s) via DEN; 392 minutes. Local airport times.
    • UA1686: SEA 2026-12-21 05:05:00 → DEN 2026-12-21 08:42:00; layover at DEN: 88 minutes.
    • UA1522: DEN 2026-12-21 10:10:00 → IND 2026-12-21 14:37:00.

2026-12-21 · one way · $266.00

  • Alaska Airlines AS328 / AA4753: SEA 2026-12-21 23:40:00 → IND 2026-12-22 08:57:00; 1 stop(s) via ORD; 377 minutes. Local airport times.
    • AS328: SEA 2026-12-21 23:40:00 → ORD 2026-12-22 05:37:00; layover at ORD: 67 minutes.
    • AA4753: ORD 2026-12-22 06:44:00 → IND 2026-12-22 08:57:00.

2026-12-21 · one way · $280.00

  • Delta Air Lines DL1120 / DL2228: SEA 2026-12-21 13:25:00 → IND 2026-12-21 22:54:00; 1 stop(s) via SLC; 389 minutes. Local airport times.
    • DL1120: SEA 2026-12-21 13:25:00 → SLC 2026-12-21 16:26:00; layover at SLC: 84 minutes.
    • DL2228: SLC 2026-12-21 17:50:00 → IND 2026-12-21 22:54:00.

More dates for this route