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Boise → Chicago

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BOI → ORD1 adulteconomy

24 flight options · 5 airlines

Round-trip flights

Fri, Oct 30 – Mon, Nov 2

Frontier Airlines
7:56 pmBOI
8h 3m
LAS · 2h 25m
4:59 am+1ORD
United Airlines
8:34 amORD
3h 58m
Nonstop
11:32 amBOI

Round-trip total · 1 adult · Taxes included

Fri, Oct 30 – Mon, Nov 2

American Airlines
1:39 pmBOI
3h 38m
Nonstop
6:17 pmORD
American Airlines
10:00 amORD
3h 59m
Nonstop
12:59 pmBOI

Round-trip total · 1 adult · Taxes included

Sat, Oct 31 – Sat, Nov 7

Alaska Airlines
8:21 pmBOI
7h 46m
PDX · 2h 23m
4:07 am+1ORD
American Airlines
9:33 pmORD
4h 2m
Nonstop
12:35 am+1BOI

Round-trip total · 1 adult · Taxes included

Sat, Oct 31 – Sat, Nov 7

American Airlines
1:39 pmBOI
3h 38m
Nonstop
6:17 pmORD
American Airlines
9:33 pmORD
4h 2m
Nonstop
12:35 am+1BOI

Round-trip total · 1 adult · Taxes included

Tue, Nov 24 – Sun, Nov 29

American Airlines
1:39 pmBOI
3h 38m
Nonstop
6:17 pmORD
American Airlines
10:00 amORD
3h 59m
Nonstop
12:59 pmBOI

Round-trip total · 1 adult · Taxes included

Tue, Nov 24 – Sun, Nov 29

United Airlines
12:31 pmBOI
3h 31m
Nonstop
5:02 pmORD
United Airlines
8:40 amORD
3h 51m
Nonstop
11:31 amBOI

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Mon, Nov 30

American Airlines
1:39 pmBOI
3h 38m
Nonstop
6:17 pmORD
American Airlines
10:00 amORD
3h 59m
Nonstop
12:59 pmBOI

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Mon, Nov 30

United Airlines
12:31 pmBOI
3h 31m
Nonstop
5:02 pmORD
United Airlines
8:34 amORD
3h 58m
Nonstop
11:32 amBOI

Round-trip total · 1 adult · Taxes included

Show 14 more flights

Sat, Nov 28 – Sat, Dec 5

American Airlines
6:07 amBOI
3h 53m
Nonstop
11:00 amORD
American Airlines
9:33 pmORD
4h 2m
Nonstop
12:35 am+1BOI

Round-trip total · 1 adult · Taxes included

Sat, Nov 28 – Sat, Dec 5

United Airlines
12:31 pmBOI
3h 34m
Nonstop
5:05 pmORD
United Airlines
7:45 pmORD
4h 6m
Nonstop
10:51 pmBOI

Round-trip total · 1 adult · Taxes included

Tue, Dec 22 – Sun, Dec 27

American Airlines
1:39 pmBOI
3h 38m
Nonstop
6:17 pmORD
American Airlines
10:00 amORD
3h 59m
Nonstop
12:59 pmBOI

Round-trip total · 1 adult · Taxes included

Tue, Dec 22 – Sun, Dec 27

United Airlines
12:31 pmBOI
3h 31m
Nonstop
5:02 pmORD
United Airlines
8:40 amORD
3h 51m
Nonstop
11:31 amBOI

Round-trip total · 1 adult · Taxes included

Fri, Dec 25 – Mon, Dec 28

American Airlines
6:07 amBOI
3h 53m
Nonstop
11:00 amORD
American Airlines
10:00 amORD
3h 59m
Nonstop
12:59 pmBOI

Round-trip total · 1 adult · Taxes included

Fri, Dec 25 – Mon, Dec 28

United Airlines
8:00 amBOI
3h 47m
Nonstop
12:47 pmORD
United Airlines
8:34 amORD
3h 58m
Nonstop
11:32 amBOI

Round-trip total · 1 adult · Taxes included

Sat, Dec 26 – Sat, Jan 2

American Airlines
6:07 amBOI
3h 53m
Nonstop
11:00 amORD
American Airlines
9:33 pmORD
4h 2m
Nonstop
12:35 am+1BOI

Round-trip total · 1 adult · Taxes included

Sat, Dec 26 – Sat, Jan 2

United Airlines
8:28 amBOI
3h 47m
Nonstop
1:15 pmORD
United Airlines
7:45 pmORD
4h 6m
Nonstop
10:51 pmBOI

Round-trip total · 1 adult · Taxes included

Wed, Dec 30 – Sat, Jan 2

American Airlines
1:39 pmBOI
3h 38m
Nonstop
6:17 pmORD
American Airlines
9:33 pmORD
4h 2m
Nonstop
12:35 am+1BOI

Round-trip total · 1 adult · Taxes included

Wed, Dec 30 – Sat, Jan 2

United Airlines
12:31 pmBOI
3h 34m
Nonstop
5:05 pmORD
United Airlines
7:45 pmORD
4h 6m
Nonstop
10:51 pmBOI

Round-trip total · 1 adult · Taxes included

Fri, Jan 15 – Mon, Jan 18

Delta Air Lines
3:00 pmBOI
5h 37m
MSP · 1h 15m
9:37 pmORD
Delta Air Lines
5:42 pmORD
7h 17m
MSP · 2h 31m
11:59 pmBOI

Round-trip total · 1 adult · Taxes included

Fri, Jan 15 – Mon, Jan 18

United Airlines
12:31 pmBOI
3h 31m
Nonstop
5:02 pmORD
United Airlines
8:34 amORD
3h 58m
Nonstop
11:32 amBOI

Round-trip total · 1 adult · Taxes included

Fri, Jan 22 – Mon, Jan 25

Delta Air Lines
3:00 pmBOI
5h 37m
MSP · 1h 15m
9:37 pmORD
Delta Air Lines
5:42 pmORD
7h 17m
MSP · 2h 31m
11:59 pmBOI

Round-trip total · 1 adult · Taxes included

Fri, Jan 22 – Mon, Jan 25

American Airlines
1:39 pmBOI
3h 38m
Nonstop
6:17 pmORD
American Airlines
10:00 amORD
3h 59m
Nonstop
12:59 pmBOI

Round-trip total · 1 adult · Taxes included

One-way flights

Fri, Oct 30 · One way

American Airlines
6:07 amBOI
3h 53m
Nonstop
11:00 amORD

One-way total · 1 adult · Taxes included

Fri, Oct 30 · One way

United Airlines
8:00 amBOI
3h 47m
Nonstop
12:47 pmORD

One-way total · 1 adult · Taxes included

Make this trip yours

BOI ⇄ ORD

Economy

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

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  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
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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

Nov 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)
2026-10-30 · one wayAmerican AirlinesAA2748$205.002026-10-29T00:51:17Z
2026-10-30 · one wayUnited AirlinesUA5386$210.002026-10-29T00:51:17Z
2026-10-30 → 2026-11-02Frontier Airlines / United AirlinesF91934 + F92146 / UA4760$295.002026-10-29T00:51:17Z
2026-10-30 → 2026-11-02American AirlinesAA2036 / AA2036$375.002026-10-29T00:51:17Z
2026-10-31 → 2026-11-07Alaska Airlines / American AirlinesAS2060 + AA3329 / AA1792$365.002026-10-29T00:51:17Z
2026-10-31 → 2026-11-07American AirlinesAA2036 / AA1792$375.002026-10-29T00:51:17Z
2026-11-24 → 2026-11-29American AirlinesAA2036 / AA2036$487.502026-10-29T00:51:17Z
2026-11-24 → 2026-11-29United AirlinesUA4679 / UA490$500.502026-10-29T00:51:17Z
2026-11-27 → 2026-11-30American AirlinesAA2036 / AA2036$487.502026-10-29T00:51:17Z
2026-11-27 → 2026-11-30United AirlinesUA4679 / UA4760$500.502026-10-29T00:51:17Z
2026-11-28 → 2026-12-05American AirlinesAA2748 / AA1792$431.252026-10-29T00:51:17Z
2026-11-28 → 2026-12-05United AirlinesUA424 / UA5290$442.752026-10-29T00:51:17Z
2026-12-22 → 2026-12-27American AirlinesAA2036 / AA2036$487.502026-10-29T00:51:17Z
2026-12-22 → 2026-12-27United AirlinesUA4679 / UA490$500.502026-10-29T00:51:17Z
2026-12-25 → 2026-12-28American AirlinesAA2748 / AA2036$468.752026-10-29T00:51:17Z
2026-12-25 → 2026-12-28United AirlinesUA5386 / UA4760$481.252026-10-29T00:51:17Z
2026-12-26 → 2027-01-02American AirlinesAA2748 / AA1792$468.752026-10-29T00:51:17Z
2026-12-26 → 2027-01-02United AirlinesUA4644 / UA5290$481.252026-10-29T00:51:17Z
2026-12-30 → 2027-01-02American AirlinesAA2036 / AA1792$450.002026-10-29T00:51:17Z
2026-12-30 → 2027-01-02United AirlinesUA424 / UA5290$462.002026-10-29T00:51:17Z
2027-01-15 → 2027-01-18Delta Air LinesDL1839 + DL1563 / DL1306 + DL2488$370.002026-10-29T00:51:17Z
2027-01-15 → 2027-01-18United AirlinesUA4679 / UA4760$385.002026-10-29T00:51:17Z
2027-01-22 → 2027-01-25Delta Air LinesDL1839 + DL1563 / DL1306 + DL2488$370.002026-10-29T00:51:17Z
2027-01-22 → 2027-01-25American AirlinesAA2036 / AA2036$375.002026-10-29T00:51:17Z

2026-10-30 · one way · $205.00

  • American Airlines AA2748: BOI 2026-10-30 06:07:00 → ORD 2026-10-30 11:00:00; nonstop; 233 minutes. Local airport times.

2026-10-30 · one way · $210.00

  • United Airlines UA5386: BOI 2026-10-30 08:00:00 → ORD 2026-10-30 12:47:00; nonstop; 227 minutes. Local airport times.

2026-10-30 → 2026-11-02 · $295.00

  • Frontier Airlines F91934 / F92146: BOI 2026-10-30 19:56:00 → ORD 2026-10-31 04:59:00; 1 stop(s) via LAS; 483 minutes. Local airport times.
    • F91934: BOI 2026-10-30 19:56:00 → LAS 2026-10-30 20:50:00; layover at LAS: 145 minutes.
    • F92146: LAS 2026-10-30 23:15:00 → ORD 2026-10-31 04:59:00.
  • United Airlines UA4760: ORD 2026-11-02 08:34:00 → BOI 2026-11-02 11:32:00; nonstop; 238 minutes. Local airport times.

2026-10-30 → 2026-11-02 · $375.00

  • American Airlines AA2036: BOI 2026-10-30 13:39:00 → ORD 2026-10-30 18:17:00; nonstop; 218 minutes. Local airport times.
  • American Airlines AA2036: ORD 2026-11-02 10:00:00 → BOI 2026-11-02 12:59:00; nonstop; 239 minutes. Local airport times.

2026-10-31 → 2026-11-07 · $365.00

  • Alaska Airlines AS2060 / AA3329: BOI 2026-10-31 20:21:00 → ORD 2026-11-01 04:07:00; 1 stop(s) via PDX; 466 minutes. Local airport times.
    • AS2060: BOI 2026-10-31 20:21:00 → PDX 2026-10-31 20:50:00; layover at PDX: 143 minutes.
    • AA3329: PDX 2026-10-31 23:13:00 → ORD 2026-11-01 04:07:00.
  • American Airlines AA1792: ORD 2026-11-07 21:33:00 → BOI 2026-11-08 00:35:00; nonstop; 242 minutes. Local airport times.

2026-10-31 → 2026-11-07 · $375.00

  • American Airlines AA2036: BOI 2026-10-31 13:39:00 → ORD 2026-10-31 18:17:00; nonstop; 218 minutes. Local airport times.
  • American Airlines AA1792: ORD 2026-11-07 21:33:00 → BOI 2026-11-08 00:35:00; nonstop; 242 minutes. Local airport times.

2026-11-24 → 2026-11-29 · $487.50

  • American Airlines AA2036: BOI 2026-11-24 13:39:00 → ORD 2026-11-24 18:17:00; nonstop; 218 minutes. Local airport times.
  • American Airlines AA2036: ORD 2026-11-29 10:00:00 → BOI 2026-11-29 12:59:00; nonstop; 239 minutes. Local airport times.

2026-11-24 → 2026-11-29 · $500.50

  • United Airlines UA4679: BOI 2026-11-24 12:31:00 → ORD 2026-11-24 17:02:00; nonstop; 211 minutes. Local airport times.
  • United Airlines UA490: ORD 2026-11-29 08:40:00 → BOI 2026-11-29 11:31:00; nonstop; 231 minutes. Local airport times.

2026-11-27 → 2026-11-30 · $487.50

  • American Airlines AA2036: BOI 2026-11-27 13:39:00 → ORD 2026-11-27 18:17:00; nonstop; 218 minutes. Local airport times.
  • American Airlines AA2036: ORD 2026-11-30 10:00:00 → BOI 2026-11-30 12:59:00; nonstop; 239 minutes. Local airport times.

2026-11-27 → 2026-11-30 · $500.50

  • United Airlines UA4679: BOI 2026-11-27 12:31:00 → ORD 2026-11-27 17:02:00; nonstop; 211 minutes. Local airport times.
  • United Airlines UA4760: ORD 2026-11-30 08:34:00 → BOI 2026-11-30 11:32:00; nonstop; 238 minutes. Local airport times.

2026-11-28 → 2026-12-05 · $431.25

  • American Airlines AA2748: BOI 2026-11-28 06:07:00 → ORD 2026-11-28 11:00:00; nonstop; 233 minutes. Local airport times.
  • American Airlines AA1792: ORD 2026-12-05 21:33:00 → BOI 2026-12-06 00:35:00; nonstop; 242 minutes. Local airport times.

2026-11-28 → 2026-12-05 · $442.75

  • United Airlines UA424: BOI 2026-11-28 12:31:00 → ORD 2026-11-28 17:05:00; nonstop; 214 minutes. Local airport times.
  • United Airlines UA5290: ORD 2026-12-05 19:45:00 → BOI 2026-12-05 22:51:00; nonstop; 246 minutes. Local airport times.

2026-12-22 → 2026-12-27 · $487.50

  • American Airlines AA2036: BOI 2026-12-22 13:39:00 → ORD 2026-12-22 18:17:00; nonstop; 218 minutes. Local airport times.
  • American Airlines AA2036: ORD 2026-12-27 10:00:00 → BOI 2026-12-27 12:59:00; nonstop; 239 minutes. Local airport times.

2026-12-22 → 2026-12-27 · $500.50

  • United Airlines UA4679: BOI 2026-12-22 12:31:00 → ORD 2026-12-22 17:02:00; nonstop; 211 minutes. Local airport times.
  • United Airlines UA490: ORD 2026-12-27 08:40:00 → BOI 2026-12-27 11:31:00; nonstop; 231 minutes. Local airport times.

2026-12-25 → 2026-12-28 · $468.75

  • American Airlines AA2748: BOI 2026-12-25 06:07:00 → ORD 2026-12-25 11:00:00; nonstop; 233 minutes. Local airport times.
  • American Airlines AA2036: ORD 2026-12-28 10:00:00 → BOI 2026-12-28 12:59:00; nonstop; 239 minutes. Local airport times.

2026-12-25 → 2026-12-28 · $481.25

  • United Airlines UA5386: BOI 2026-12-25 08:00:00 → ORD 2026-12-25 12:47:00; nonstop; 227 minutes. Local airport times.
  • United Airlines UA4760: ORD 2026-12-28 08:34:00 → BOI 2026-12-28 11:32:00; nonstop; 238 minutes. Local airport times.

2026-12-26 → 2027-01-02 · $468.75

  • American Airlines AA2748: BOI 2026-12-26 06:07:00 → ORD 2026-12-26 11:00:00; nonstop; 233 minutes. Local airport times.
  • American Airlines AA1792: ORD 2027-01-02 21:33:00 → BOI 2027-01-03 00:35:00; nonstop; 242 minutes. Local airport times.

2026-12-26 → 2027-01-02 · $481.25

  • United Airlines UA4644: BOI 2026-12-26 08:28:00 → ORD 2026-12-26 13:15:00; nonstop; 227 minutes. Local airport times.
  • United Airlines UA5290: ORD 2027-01-02 19:45:00 → BOI 2027-01-02 22:51:00; nonstop; 246 minutes. Local airport times.

2026-12-30 → 2027-01-02 · $450.00

  • American Airlines AA2036: BOI 2026-12-30 13:39:00 → ORD 2026-12-30 18:17:00; nonstop; 218 minutes. Local airport times.
  • American Airlines AA1792: ORD 2027-01-02 21:33:00 → BOI 2027-01-03 00:35:00; nonstop; 242 minutes. Local airport times.

2026-12-30 → 2027-01-02 · $462.00

  • United Airlines UA424: BOI 2026-12-30 12:31:00 → ORD 2026-12-30 17:05:00; nonstop; 214 minutes. Local airport times.
  • United Airlines UA5290: ORD 2027-01-02 19:45:00 → BOI 2027-01-02 22:51:00; nonstop; 246 minutes. Local airport times.

2027-01-15 → 2027-01-18 · $370.00

  • Delta Air Lines DL1839 / DL1563: BOI 2027-01-15 15:00:00 → ORD 2027-01-15 21:37:00; 1 stop(s) via MSP; 337 minutes. Local airport times.
    • DL1839: BOI 2027-01-15 15:00:00 → MSP 2027-01-15 18:50:00; layover at MSP: 75 minutes.
    • DL1563: MSP 2027-01-15 20:05:00 → ORD 2027-01-15 21:37:00.
  • Delta Air Lines DL1306 / DL2488: ORD 2027-01-18 17:42:00 → BOI 2027-01-18 23:59:00; 1 stop(s) via MSP; 437 minutes. Local airport times.
    • DL1306: ORD 2027-01-18 17:42:00 → MSP 2027-01-18 19:14:00; layover at MSP: 151 minutes.
    • DL2488: MSP 2027-01-18 21:45:00 → BOI 2027-01-18 23:59:00.

2027-01-15 → 2027-01-18 · $385.00

  • United Airlines UA4679: BOI 2027-01-15 12:31:00 → ORD 2027-01-15 17:02:00; nonstop; 211 minutes. Local airport times.
  • United Airlines UA4760: ORD 2027-01-18 08:34:00 → BOI 2027-01-18 11:32:00; nonstop; 238 minutes. Local airport times.

2027-01-22 → 2027-01-25 · $370.00

  • Delta Air Lines DL1839 / DL1563: BOI 2027-01-22 15:00:00 → ORD 2027-01-22 21:37:00; 1 stop(s) via MSP; 337 minutes. Local airport times.
    • DL1839: BOI 2027-01-22 15:00:00 → MSP 2027-01-22 18:50:00; layover at MSP: 75 minutes.
    • DL1563: MSP 2027-01-22 20:05:00 → ORD 2027-01-22 21:37:00.
  • Delta Air Lines DL1306 / DL2488: ORD 2027-01-25 17:42:00 → BOI 2027-01-25 23:59:00; 1 stop(s) via MSP; 437 minutes. Local airport times.
    • DL1306: ORD 2027-01-25 17:42:00 → MSP 2027-01-25 19:14:00; layover at MSP: 151 minutes.
    • DL2488: MSP 2027-01-25 21:45:00 → BOI 2027-01-25 23:59:00.

2027-01-22 → 2027-01-25 · $375.00

  • American Airlines AA2036: BOI 2027-01-22 13:39:00 → ORD 2027-01-22 18:17:00; nonstop; 218 minutes. Local airport times.
  • American Airlines AA2036: ORD 2027-01-25 10:00:00 → BOI 2027-01-25 12:59:00; nonstop; 239 minutes. Local airport times.

More dates for this route