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Boise → Ontario

Dec 21, 2026 · return Dec 26, 2026

BOI → ONT1 adulteconomyRound trip

7 flight options · 5 airlines

Nonstop flights

Mon, Dec 21 – Sat, Dec 26

Alaska Airlines
3:40 pmBOI
2h 16m
Nonstop
4:56 pmONT
Alaska Airlines
5:36 pmONT
2h 5m
Nonstop
8:41 pmBOI

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Sat, Dec 26

Southwest Airlines
10:45 amBOI
6h 30m
OAK · 3h 25m
4:15 pmONT
Southwest Airlines
4:05 pmONT
4h 35m
OAK · 1h 35m
9:40 pmBOI

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sat, Dec 26

Delta Air Lines
1:07 pmBOI
4h 15m
SLC · 1h 4m
4:22 pmONT
Southwest Airlines
4:05 pmONT
4h 35m
OAK · 1h 35m
9:40 pmBOI

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sat, Dec 26

United Airlines
6:55 pmBOI
4h 58m
SFO · 1h 20m
10:53 pmONT
Southwest Airlines
4:05 pmONT
4h 35m
OAK · 1h 35m
9:40 pmBOI

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sat, Dec 26

American Airlines
2:03 pmBOI
6h 18m
PHX · 2h 49m
7:21 pmONT
American Airlines
1:27 pmONT
4h 57m
PHX · 1h 22m
7:24 pmBOI

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sat, Dec 26

Southwest Airlines
9:15 amBOI
4h 25m
SJC · 1h 10m
12:40 pmONT
Southwest Airlines
4:05 pmONT
4h 35m
OAK · 1h 35m
9:40 pmBOI

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sat, Dec 26

Southwest Airlines
8:50 pmBOI
4h 5m
LAS · 1h 20m
11:55 pmONT
Southwest Airlines
4:05 pmONT
4h 35m
OAK · 1h 35m
9:40 pmBOI

Round-trip total · 1 adult · Taxes included

Make this trip yours

BOI ⇄ ONT

Economy

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

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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)
2026-12-21 → 2026-12-26Alaska AirlinesAS3380 / AS3380$378.002026-10-29T00:51:17Z
2026-12-21 → 2026-12-26Southwest AirlinesWN1166 + WN1053 / WN3313 + WN1252$405.002026-10-29T00:51:17Z
2026-12-21 → 2026-12-26Delta Air Lines / Southwest AirlinesDL2095 + DL3879 / WN3313 + WN1252$418.502026-10-29T00:51:17Z
2026-12-21 → 2026-12-26United Airlines / Southwest AirlinesUA4753 + UA552 / WN3313 + WN1252$435.382026-10-29T00:51:17Z
2026-12-21 → 2026-12-26American AirlinesAA2341 + AA1666 / AA3016 + AA1152$445.502026-10-29T00:51:17Z
2026-12-21 → 2026-12-26Southwest AirlinesWN777 + WN1383 / WN3313 + WN1252$405.002026-10-29T00:51:17Z
2026-12-21 → 2026-12-26Southwest AirlinesWN1478 + WN2405 / WN3313 + WN1252$405.002026-10-29T00:51:17Z

2026-12-21 → 2026-12-26 · $378.00

  • Alaska Airlines AS3380: BOI 2026-12-21 15:40:00 → ONT 2026-12-21 16:56:00; nonstop; 136 minutes. Local airport times.
  • Alaska Airlines AS3380: ONT 2026-12-26 17:36:00 → BOI 2026-12-26 20:41:00; nonstop; 125 minutes. Local airport times.

2026-12-21 → 2026-12-26 · $405.00

  • Southwest Airlines WN1166 / WN1053: BOI 2026-12-21 10:45:00 → ONT 2026-12-21 16:15:00; 1 stop(s) via OAK; 390 minutes. Local airport times.
    • WN1166: BOI 2026-12-21 10:45:00 → OAK 2026-12-21 11:35:00; layover at OAK: 205 minutes.
    • WN1053: OAK 2026-12-21 15:00:00 → ONT 2026-12-21 16:15:00.
  • Southwest Airlines WN3313 / WN1252: ONT 2026-12-26 16:05:00 → BOI 2026-12-26 21:40:00; 1 stop(s) via OAK; 275 minutes. Local airport times.
    • WN3313: ONT 2026-12-26 16:05:00 → OAK 2026-12-26 17:30:00; layover at OAK: 95 minutes.
    • WN1252: OAK 2026-12-26 19:05:00 → BOI 2026-12-26 21:40:00.

2026-12-21 → 2026-12-26 · $418.50

  • Delta Air Lines DL2095 / DL3879: BOI 2026-12-21 13:07:00 → ONT 2026-12-21 16:22:00; 1 stop(s) via SLC; 255 minutes. Local airport times.
    • DL2095: BOI 2026-12-21 13:07:00 → SLC 2026-12-21 14:25:00; layover at SLC: 64 minutes.
    • DL3879: SLC 2026-12-21 15:29:00 → ONT 2026-12-21 16:22:00.
  • Southwest Airlines WN3313 / WN1252: ONT 2026-12-26 16:05:00 → BOI 2026-12-26 21:40:00; 1 stop(s) via OAK; 275 minutes. Local airport times.
    • WN3313: ONT 2026-12-26 16:05:00 → OAK 2026-12-26 17:30:00; layover at OAK: 95 minutes.
    • WN1252: OAK 2026-12-26 19:05:00 → BOI 2026-12-26 21:40:00.

2026-12-21 → 2026-12-26 · $435.38

  • United Airlines UA4753 / UA552: BOI 2026-12-21 18:55:00 → ONT 2026-12-21 22:53:00; 1 stop(s) via SFO; 298 minutes. Local airport times.
    • UA4753: BOI 2026-12-21 18:55:00 → SFO 2026-12-21 20:10:00; layover at SFO: 80 minutes.
    • UA552: SFO 2026-12-21 21:30:00 → ONT 2026-12-21 22:53:00.
  • Southwest Airlines WN3313 / WN1252: ONT 2026-12-26 16:05:00 → BOI 2026-12-26 21:40:00; 1 stop(s) via OAK; 275 minutes. Local airport times.
    • WN3313: ONT 2026-12-26 16:05:00 → OAK 2026-12-26 17:30:00; layover at OAK: 95 minutes.
    • WN1252: OAK 2026-12-26 19:05:00 → BOI 2026-12-26 21:40:00.

2026-12-21 → 2026-12-26 · $445.50

  • American Airlines AA2341 / AA1666: BOI 2026-12-21 14:03:00 → ONT 2026-12-21 19:21:00; 1 stop(s) via PHX; 378 minutes. Local airport times.
    • AA2341: BOI 2026-12-21 14:03:00 → PHX 2026-12-21 16:09:00; layover at PHX: 169 minutes.
    • AA1666: PHX 2026-12-21 18:58:00 → ONT 2026-12-21 19:21:00.
  • American Airlines AA3016 / AA1152: ONT 2026-12-26 13:27:00 → BOI 2026-12-26 19:24:00; 1 stop(s) via PHX; 297 minutes. Local airport times.
    • AA3016: ONT 2026-12-26 13:27:00 → PHX 2026-12-26 15:49:00; layover at PHX: 82 minutes.
    • AA1152: PHX 2026-12-26 17:11:00 → BOI 2026-12-26 19:24:00.

2026-12-21 → 2026-12-26 · $405.00

  • Southwest Airlines WN777 / WN1383: BOI 2026-12-21 09:15:00 → ONT 2026-12-21 12:40:00; 1 stop(s) via SJC; 265 minutes. Local airport times.
    • WN777: BOI 2026-12-21 09:15:00 → SJC 2026-12-21 10:10:00; layover at SJC: 70 minutes.
    • WN1383: SJC 2026-12-21 11:20:00 → ONT 2026-12-21 12:40:00.
  • Southwest Airlines WN3313 / WN1252: ONT 2026-12-26 16:05:00 → BOI 2026-12-26 21:40:00; 1 stop(s) via OAK; 275 minutes. Local airport times.
    • WN3313: ONT 2026-12-26 16:05:00 → OAK 2026-12-26 17:30:00; layover at OAK: 95 minutes.
    • WN1252: OAK 2026-12-26 19:05:00 → BOI 2026-12-26 21:40:00.

2026-12-21 → 2026-12-26 · $405.00

  • Southwest Airlines WN1478 / WN2405: BOI 2026-12-21 20:50:00 → ONT 2026-12-21 23:55:00; 1 stop(s) via LAS; 245 minutes. Local airport times.
    • WN1478: BOI 2026-12-21 20:50:00 → LAS 2026-12-21 21:35:00; layover at LAS: 80 minutes.
    • WN2405: LAS 2026-12-21 22:55:00 → ONT 2026-12-21 23:55:00.
  • Southwest Airlines WN3313 / WN1252: ONT 2026-12-26 16:05:00 → BOI 2026-12-26 21:40:00; 1 stop(s) via OAK; 275 minutes. Local airport times.
    • WN3313: ONT 2026-12-26 16:05:00 → OAK 2026-12-26 17:30:00; layover at OAK: 95 minutes.
    • WN1252: OAK 2026-12-26 19:05:00 → BOI 2026-12-26 21:40:00.

More dates for this route