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Boise → Ontario

Dec 13, 2026 · return Dec 20, 2026

BOI → ONT1 adulteconomyRound trip

7 flight options · 5 airlines

Nonstop flights

Sun, Dec 13 – Sun, Dec 20

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

Sun, Dec 13 – Sun, Dec 20

Delta Air Lines
1:07 pmBOI
4h 15m
SLC · 1h 4m
4:22 pmONT
Alaska Airlines
5:36 pmONT
2h 5m
Nonstop
8:41 pmBOI

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sun, Dec 20

Southwest Airlines
8:50 pmBOI
4h 5m
LAS · 1h 20m
11:55 pmONT
Southwest Airlines
5:45 amONT
4h
LAS · 1h 5m
10:45 amBOI

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sun, Dec 20

United Airlines
6:55 pmBOI
4h 58m
SFO · 1h 20m
10:53 pmONT
Alaska Airlines
5:36 pmONT
2h 5m
Nonstop
8:41 pmBOI

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sun, Dec 20

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

Sun, Dec 13 – Sun, Dec 20

Southwest Airlines
10:45 amBOI
6h 30m
OAK · 3h 25m
4:15 pmONT
Southwest Airlines
5:45 amONT
4h
LAS · 1h 5m
10:45 amBOI

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sun, Dec 20

Southwest Airlines
9:15 amBOI
4h 25m
SJC · 1h 10m
12:40 pmONT
Southwest Airlines
5:45 amONT
4h
LAS · 1h 5m
10:45 amBOI

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 24, 2026 → Nov 29, 2026Dec 22, 2026 → Dec 27, 2026Dec 30, 2026 → Jan 2, 2027Jan 15, 2027 → Jan 18, 2027Oct 30, 2026 → Nov 2, 2026Oct 31, 2026 → Nov 7, 2026Nov 27, 2026 → Nov 30, 2026Nov 28, 2026 → Dec 5, 2026Dec 25, 2026 → Dec 28, 2026Dec 26, 2026 → Jan 2, 2027Jan 22, 2027 → Jan 25, 2027Oct 30, 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)
2026-12-13 → 2026-12-20Alaska AirlinesAS3380 / AS3380$329.002026-10-29T00:51:17Z
2026-12-13 → 2026-12-20Delta Air Lines / Alaska AirlinesDL2095 + DL3879 / AS3380$349.002026-10-29T00:51:17Z
2026-12-13 → 2026-12-20Southwest AirlinesWN1478 + WN2405 / WN2184 + WN1988$352.502026-10-29T00:51:17Z
2026-12-13 → 2026-12-20United Airlines / Alaska AirlinesUA4753 + UA552 / AS3380$361.502026-10-29T00:51:17Z
2026-12-13 → 2026-12-20American AirlinesAA2341 + AA1666 / AA3016 + AA1152$387.752026-10-29T00:51:17Z
2026-12-13 → 2026-12-20Southwest AirlinesWN1166 + WN1053 / WN2184 + WN1988$352.502026-10-29T00:51:17Z
2026-12-13 → 2026-12-20Southwest AirlinesWN777 + WN1383 / WN2184 + WN1988$352.502026-10-29T00:51:17Z

2026-12-13 → 2026-12-20 · $329.00

  • Alaska Airlines AS3380: BOI 2026-12-13 15:40:00 → ONT 2026-12-13 16:56:00; nonstop; 136 minutes. Local airport times.
  • Alaska Airlines AS3380: ONT 2026-12-20 17:36:00 → BOI 2026-12-20 20:41:00; nonstop; 125 minutes. Local airport times.

2026-12-13 → 2026-12-20 · $349.00

  • Delta Air Lines DL2095 / DL3879: BOI 2026-12-13 13:07:00 → ONT 2026-12-13 16:22:00; 1 stop(s) via SLC; 255 minutes. Local airport times.
    • DL2095: BOI 2026-12-13 13:07:00 → SLC 2026-12-13 14:25:00; layover at SLC: 64 minutes.
    • DL3879: SLC 2026-12-13 15:29:00 → ONT 2026-12-13 16:22:00.
  • Alaska Airlines AS3380: ONT 2026-12-20 17:36:00 → BOI 2026-12-20 20:41:00; nonstop; 125 minutes. Local airport times.

2026-12-13 → 2026-12-20 · $352.50

  • Southwest Airlines WN1478 / WN2405: BOI 2026-12-13 20:50:00 → ONT 2026-12-13 23:55:00; 1 stop(s) via LAS; 245 minutes. Local airport times.
    • WN1478: BOI 2026-12-13 20:50:00 → LAS 2026-12-13 21:35:00; layover at LAS: 80 minutes.
    • WN2405: LAS 2026-12-13 22:55:00 → ONT 2026-12-13 23:55:00.
  • Southwest Airlines WN2184 / WN1988: ONT 2026-12-20 05:45:00 → BOI 2026-12-20 10:45:00; 1 stop(s) via LAS; 240 minutes. Local airport times.
    • WN2184: ONT 2026-12-20 05:45:00 → LAS 2026-12-20 06:55:00; layover at LAS: 65 minutes.
    • WN1988: LAS 2026-12-20 08:00:00 → BOI 2026-12-20 10:45:00.

2026-12-13 → 2026-12-20 · $361.50

  • United Airlines UA4753 / UA552: BOI 2026-12-13 18:55:00 → ONT 2026-12-13 22:53:00; 1 stop(s) via SFO; 298 minutes. Local airport times.
    • UA4753: BOI 2026-12-13 18:55:00 → SFO 2026-12-13 20:10:00; layover at SFO: 80 minutes.
    • UA552: SFO 2026-12-13 21:30:00 → ONT 2026-12-13 22:53:00.
  • Alaska Airlines AS3380: ONT 2026-12-20 17:36:00 → BOI 2026-12-20 20:41:00; nonstop; 125 minutes. Local airport times.

2026-12-13 → 2026-12-20 · $387.75

  • American Airlines AA2341 / AA1666: BOI 2026-12-13 14:03:00 → ONT 2026-12-13 19:21:00; 1 stop(s) via PHX; 378 minutes. Local airport times.
    • AA2341: BOI 2026-12-13 14:03:00 → PHX 2026-12-13 16:09:00; layover at PHX: 169 minutes.
    • AA1666: PHX 2026-12-13 18:58:00 → ONT 2026-12-13 19:21:00.
  • American Airlines AA3016 / AA1152: ONT 2026-12-20 13:27:00 → BOI 2026-12-20 19:24:00; 1 stop(s) via PHX; 297 minutes. Local airport times.
    • AA3016: ONT 2026-12-20 13:27:00 → PHX 2026-12-20 15:49:00; layover at PHX: 82 minutes.
    • AA1152: PHX 2026-12-20 17:11:00 → BOI 2026-12-20 19:24:00.

2026-12-13 → 2026-12-20 · $352.50

  • Southwest Airlines WN1166 / WN1053: BOI 2026-12-13 10:45:00 → ONT 2026-12-13 16:15:00; 1 stop(s) via OAK; 390 minutes. Local airport times.
    • WN1166: BOI 2026-12-13 10:45:00 → OAK 2026-12-13 11:35:00; layover at OAK: 205 minutes.
    • WN1053: OAK 2026-12-13 15:00:00 → ONT 2026-12-13 16:15:00.
  • Southwest Airlines WN2184 / WN1988: ONT 2026-12-20 05:45:00 → BOI 2026-12-20 10:45:00; 1 stop(s) via LAS; 240 minutes. Local airport times.
    • WN2184: ONT 2026-12-20 05:45:00 → LAS 2026-12-20 06:55:00; layover at LAS: 65 minutes.
    • WN1988: LAS 2026-12-20 08:00:00 → BOI 2026-12-20 10:45:00.

2026-12-13 → 2026-12-20 · $352.50

  • Southwest Airlines WN777 / WN1383: BOI 2026-12-13 09:15:00 → ONT 2026-12-13 12:40:00; 1 stop(s) via SJC; 265 minutes. Local airport times.
    • WN777: BOI 2026-12-13 09:15:00 → SJC 2026-12-13 10:10:00; layover at SJC: 70 minutes.
    • WN1383: SJC 2026-12-13 11:20:00 → ONT 2026-12-13 12:40:00.
  • Southwest Airlines WN2184 / WN1988: ONT 2026-12-20 05:45:00 → BOI 2026-12-20 10:45:00; 1 stop(s) via LAS; 240 minutes. Local airport times.
    • WN2184: ONT 2026-12-20 05:45:00 → LAS 2026-12-20 06:55:00; layover at LAS: 65 minutes.
    • WN1988: LAS 2026-12-20 08:00:00 → BOI 2026-12-20 10:45:00.

More dates for this route