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Boston → Guanacaste

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BOS → LIR1 adulteconomy

21 flight options · 4 airlines

Round-trip flights

Fri, Nov 20 – Mon, Nov 23

JetBlue Airways
7:52 amBOS
5h 53m
Nonstop
12:45 pmLIR
JetBlue Airways
4:45 pmLIR
5h 25m
Nonstop
11:10 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

American Airlines
5:00 amBOS
8h 30m
CLT · 1h 36m
12:30 pmLIR
American Airlines
11:58 amLIR
10h
MIA · 3h 41m
10:58 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Air Canada
5:30 amBOS
9h 50m
YUL · 2h 10m
2:20 pmLIR
American Airlines
11:58 amLIR
10h
MIA · 3h 41m
10:58 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
5:45 amBOS
8h 5m
IAD · 1h 26m
12:50 pmLIR
United Airlines
2:00 pmLIR
8h 59m
IAD · 2h 45m
11:59 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

JetBlue Airways
7:52 amBOS
5h 53m
Nonstop
12:45 pmLIR
JetBlue Airways
4:45 pmLIR
5h 25m
Nonstop
11:10 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

JetBlue Airways
5:30 amBOS
9h 34m
FLL · 3h 4m
2:04 pmLIR
JetBlue Airways
4:45 pmLIR
5h 25m
Nonstop
11:10 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

JetBlue Airways
5:30 amBOS
9h 34m
FLL · 3h 4m
2:04 pmLIR
JetBlue Airways
4:45 pmLIR
5h 25m
Nonstop
11:10 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Air Canada
5:45 amBOS
9h 25m
YYZ · 1h 40m
2:10 pmLIR
American Airlines
11:58 amLIR
10h
MIA · 3h 41m
10:58 pmBOS

Round-trip total · 1 adult · Taxes included

Show 6 more flights

Fri, Nov 20 – Mon, Nov 23

Air Canada
5:45 amBOS
9h 25m
YYZ · 1h 40m
2:10 pmLIR
JetBlue Airways
4:45 pmLIR
5h 25m
Nonstop
11:10 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Air Canada
5:30 amBOS
9h 50m
YUL · 2h 10m
2:20 pmLIR
JetBlue Airways
4:45 pmLIR
5h 25m
Nonstop
11:10 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
9:30 amBOS
10h 7m
IAH · 1h 59m
6:37 pmLIR
United Airlines
2:00 pmLIR
8h 59m
IAD · 2h 45m
11:59 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

American Airlines
5:00 amBOS
8h 30m
CLT · 1h 36m
12:30 pmLIR
American Airlines
11:58 amLIR
10h
MIA · 3h 41m
10:58 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

United Airlines
9:30 amBOS
10h 7m
IAH · 1h 59m
6:37 pmLIR
United Airlines
2:00 pmLIR
8h 59m
IAD · 2h 45m
11:59 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

United Airlines
5:45 amBOS
8h 5m
IAD · 1h 26m
12:50 pmLIR
United Airlines
2:00 pmLIR
8h 59m
IAD · 2h 45m
11:59 pmBOS

Round-trip total · 1 adult · Taxes included

One-way flights

Fri, Nov 20 · One way

JetBlue Airways
7:52 amBOS
5h 53m
Nonstop
12:45 pmLIR

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Air Canada
5:30 amBOS
9h 50m
YUL · 2h 10m
2:20 pmLIR

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

American Airlines
5:00 amBOS
8h 30m
CLT · 1h 36m
12:30 pmLIR

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
5:45 amBOS
8h 5m
IAD · 1h 26m
12:50 pmLIR

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

JetBlue Airways
5:30 amBOS
9h 34m
FLL · 3h 4m
2:04 pmLIR

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Air Canada
5:45 amBOS
9h 25m
YYZ · 1h 40m
2:10 pmLIR

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
9:30 amBOS
10h 7m
IAH · 1h 59m
6:37 pmLIR

One-way total · 1 adult · Taxes included

Make this trip yours

BOS ⇄ LIR

Economy

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

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Why book with Axel
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  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • 24-hour cancellationCancel within 24 hours of booking for a full refund when your departure is at least 7 days away. Closer to departure, the airline’s fare rules apply. Cancellation policy
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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 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)
2026-11-20 · one wayJetBlue AirwaysB6897$280.252026-10-29T00:52:23Z
2026-11-20 → 2026-11-23JetBlue AirwaysB6897 / B6898$590.432026-10-29T00:52:23Z
2026-11-20 · one wayAir CanadaAC8603 + AC1863$256.502026-10-29T00:52:23Z
2026-11-20 · one wayAmerican AirlinesAA1249 + AA887$266.002026-10-29T00:52:23Z
2026-11-20 · one wayUnited AirlinesUA1734 + UA1547$270.752026-10-29T00:52:23Z
2026-11-20 → 2026-11-23American AirlinesAA1249 + AA887 / AA1919 + AA2227$564.302026-10-29T00:52:23Z
2026-11-27 → 2026-12-04Air Canada / American AirlinesAC8603 + AC1863 / AA1919 + AA2227$566.402026-10-29T00:52:23Z
2026-11-20 → 2026-11-23United AirlinesUA1734 + UA1547 / UA1548 + UA755$574.752026-10-29T00:52:23Z
2026-11-27 → 2026-12-04JetBlue AirwaysB6897 / B6898$604.552026-10-29T00:52:23Z
2026-11-20 · one wayJetBlue AirwaysB6569 + B61157$242.252026-10-29T00:52:23Z
2026-11-20 · one wayAir CanadaAC763 + AC1873$256.502026-10-29T00:52:23Z
2026-11-20 · one wayUnited AirlinesUA1388 + UA1737$270.752026-10-29T00:52:23Z
2026-11-20 → 2026-11-23JetBlue AirwaysB6569 + B61157 / B6898$554.802026-10-29T00:52:23Z
2026-11-27 → 2026-12-04JetBlue AirwaysB6569 + B61157 / B6898$561.802026-10-29T00:52:23Z
2026-11-27 → 2026-12-04Air Canada / American AirlinesAC763 + AC1873 / AA1919 + AA2227$566.402026-10-29T00:52:23Z
2026-11-20 → 2026-11-23Air Canada / JetBlue AirwaysAC763 + AC1873 / B6898$569.052026-10-29T00:52:23Z
2026-11-20 → 2026-11-23Air Canada / JetBlue AirwaysAC8603 + AC1863 / B6898$569.052026-10-29T00:52:23Z
2026-11-20 → 2026-11-23United AirlinesUA1388 + UA1737 / UA1548 + UA755$574.752026-10-29T00:52:23Z
2026-11-27 → 2026-12-04American AirlinesAA1249 + AA887 / AA1919 + AA2227$577.802026-10-29T00:52:23Z
2026-11-27 → 2026-12-04United AirlinesUA1388 + UA1737 / UA1548 + UA755$588.502026-10-29T00:52:23Z
2026-11-27 → 2026-12-04United AirlinesUA1734 + UA1547 / UA1548 + UA755$588.502026-10-29T00:52:23Z

2026-11-20 · one way · $280.25

  • JetBlue Airways B6897: BOS 2026-11-20 07:52:00 → LIR 2026-11-20 12:45:00; nonstop; 353 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $590.43

  • JetBlue Airways B6897: BOS 2026-11-20 07:52:00 → LIR 2026-11-20 12:45:00; nonstop; 353 minutes. Local airport times.
  • JetBlue Airways B6898: LIR 2026-11-23 16:45:00 → BOS 2026-11-23 23:10:00; nonstop; 325 minutes. Local airport times.

2026-11-20 · one way · $256.50

  • Air Canada AC8603 / AC1863: BOS 2026-11-20 05:30:00 → LIR 2026-11-20 14:20:00; 1 stop(s) via YUL; 590 minutes. Local airport times.
    • AC8603: BOS 2026-11-20 05:30:00 → YUL 2026-11-20 06:55:00; layover at YUL: 130 minutes.
    • AC1863: YUL 2026-11-20 09:05:00 → LIR 2026-11-20 14:20:00.

2026-11-20 · one way · $266.00

  • American Airlines AA1249 / AA887: BOS 2026-11-20 05:00:00 → LIR 2026-11-20 12:30:00; 1 stop(s) via CLT; 510 minutes. Local airport times.
    • AA1249: BOS 2026-11-20 05:00:00 → CLT 2026-11-20 07:34:00; layover at CLT: 96 minutes.
    • AA887: CLT 2026-11-20 09:10:00 → LIR 2026-11-20 12:30:00.

2026-11-20 · one way · $270.75

  • United Airlines UA1734 / UA1547: BOS 2026-11-20 05:45:00 → LIR 2026-11-20 12:50:00; 1 stop(s) via IAD; 485 minutes. Local airport times.
    • UA1734: BOS 2026-11-20 05:45:00 → IAD 2026-11-20 07:25:00; layover at IAD: 86 minutes.
    • UA1547: IAD 2026-11-20 08:51:00 → LIR 2026-11-20 12:50:00.

2026-11-20 → 2026-11-23 · $564.30

  • American Airlines AA1249 / AA887: BOS 2026-11-20 05:00:00 → LIR 2026-11-20 12:30:00; 1 stop(s) via CLT; 510 minutes. Local airport times.
    • AA1249: BOS 2026-11-20 05:00:00 → CLT 2026-11-20 07:34:00; layover at CLT: 96 minutes.
    • AA887: CLT 2026-11-20 09:10:00 → LIR 2026-11-20 12:30:00.
  • American Airlines AA1919 / AA2227: LIR 2026-11-23 11:58:00 → BOS 2026-11-23 22:58:00; 1 stop(s) via MIA; 600 minutes. Local airport times.
    • AA1919: LIR 2026-11-23 11:58:00 → MIA 2026-11-23 15:52:00; layover at MIA: 221 minutes.
    • AA2227: MIA 2026-11-23 19:33:00 → BOS 2026-11-23 22:58:00.

2026-11-27 → 2026-12-04 · $566.40

  • Air Canada AC8603 / AC1863: BOS 2026-11-27 05:30:00 → LIR 2026-11-27 14:20:00; 1 stop(s) via YUL; 590 minutes. Local airport times.
    • AC8603: BOS 2026-11-27 05:30:00 → YUL 2026-11-27 06:55:00; layover at YUL: 130 minutes.
    • AC1863: YUL 2026-11-27 09:05:00 → LIR 2026-11-27 14:20:00.
  • American Airlines AA1919 / AA2227: LIR 2026-12-04 11:58:00 → BOS 2026-12-04 22:58:00; 1 stop(s) via MIA; 600 minutes. Local airport times.
    • AA1919: LIR 2026-12-04 11:58:00 → MIA 2026-12-04 15:52:00; layover at MIA: 221 minutes.
    • AA2227: MIA 2026-12-04 19:33:00 → BOS 2026-12-04 22:58:00.

2026-11-20 → 2026-11-23 · $574.75

  • United Airlines UA1734 / UA1547: BOS 2026-11-20 05:45:00 → LIR 2026-11-20 12:50:00; 1 stop(s) via IAD; 485 minutes. Local airport times.
    • UA1734: BOS 2026-11-20 05:45:00 → IAD 2026-11-20 07:25:00; layover at IAD: 86 minutes.
    • UA1547: IAD 2026-11-20 08:51:00 → LIR 2026-11-20 12:50:00.
  • United Airlines UA1548 / UA755: LIR 2026-11-23 14:00:00 → BOS 2026-11-23 23:59:00; 1 stop(s) via IAD; 539 minutes. Local airport times.
    • UA1548: LIR 2026-11-23 14:00:00 → IAD 2026-11-23 19:35:00; layover at IAD: 165 minutes.
    • UA755: IAD 2026-11-23 22:20:00 → BOS 2026-11-23 23:59:00.

2026-11-27 → 2026-12-04 · $604.55

  • JetBlue Airways B6897: BOS 2026-11-27 07:52:00 → LIR 2026-11-27 12:45:00; nonstop; 353 minutes. Local airport times.
  • JetBlue Airways B6898: LIR 2026-12-04 16:45:00 → BOS 2026-12-04 23:10:00; nonstop; 325 minutes. Local airport times.

2026-11-20 · one way · $242.25

  • JetBlue Airways B6569 / B61157: BOS 2026-11-20 05:30:00 → LIR 2026-11-20 14:04:00; 1 stop(s) via FLL; 574 minutes. Local airport times.
    • B6569: BOS 2026-11-20 05:30:00 → FLL 2026-11-20 08:56:00; layover at FLL: 184 minutes.
    • B61157: FLL 2026-11-20 12:00:00 → LIR 2026-11-20 14:04:00.

2026-11-20 · one way · $256.50

  • Air Canada AC763 / AC1873: BOS 2026-11-20 05:45:00 → LIR 2026-11-20 14:10:00; 1 stop(s) via YYZ; 565 minutes. Local airport times.
    • AC763: BOS 2026-11-20 05:45:00 → YYZ 2026-11-20 07:50:00; layover at YYZ: 100 minutes.
    • AC1873: YYZ 2026-11-20 09:30:00 → LIR 2026-11-20 14:10:00.

2026-11-20 · one way · $270.75

  • United Airlines UA1388 / UA1737: BOS 2026-11-20 09:30:00 → LIR 2026-11-20 18:37:00; 1 stop(s) via IAH; 607 minutes. Local airport times.
    • UA1388: BOS 2026-11-20 09:30:00 → IAH 2026-11-20 13:06:00; layover at IAH: 119 minutes.
    • UA1737: IAH 2026-11-20 15:05:00 → LIR 2026-11-20 18:37:00.

2026-11-20 → 2026-11-23 · $554.80

  • JetBlue Airways B6569 / B61157: BOS 2026-11-20 05:30:00 → LIR 2026-11-20 14:04:00; 1 stop(s) via FLL; 574 minutes. Local airport times.
    • B6569: BOS 2026-11-20 05:30:00 → FLL 2026-11-20 08:56:00; layover at FLL: 184 minutes.
    • B61157: FLL 2026-11-20 12:00:00 → LIR 2026-11-20 14:04:00.
  • JetBlue Airways B6898: LIR 2026-11-23 16:45:00 → BOS 2026-11-23 23:10:00; nonstop; 325 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $561.80

  • JetBlue Airways B6569 / B61157: BOS 2026-11-27 05:30:00 → LIR 2026-11-27 14:04:00; 1 stop(s) via FLL; 574 minutes. Local airport times.
    • B6569: BOS 2026-11-27 05:30:00 → FLL 2026-11-27 08:56:00; layover at FLL: 184 minutes.
    • B61157: FLL 2026-11-27 12:00:00 → LIR 2026-11-27 14:04:00.
  • JetBlue Airways B6898: LIR 2026-12-04 16:45:00 → BOS 2026-12-04 23:10:00; nonstop; 325 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $566.40

  • Air Canada AC763 / AC1873: BOS 2026-11-27 05:45:00 → LIR 2026-11-27 14:10:00; 1 stop(s) via YYZ; 565 minutes. Local airport times.
    • AC763: BOS 2026-11-27 05:45:00 → YYZ 2026-11-27 07:50:00; layover at YYZ: 100 minutes.
    • AC1873: YYZ 2026-11-27 09:30:00 → LIR 2026-11-27 14:10:00.
  • American Airlines AA1919 / AA2227: LIR 2026-12-04 11:58:00 → BOS 2026-12-04 22:58:00; 1 stop(s) via MIA; 600 minutes. Local airport times.
    • AA1919: LIR 2026-12-04 11:58:00 → MIA 2026-12-04 15:52:00; layover at MIA: 221 minutes.
    • AA2227: MIA 2026-12-04 19:33:00 → BOS 2026-12-04 22:58:00.

2026-11-20 → 2026-11-23 · $569.05

  • Air Canada AC763 / AC1873: BOS 2026-11-20 05:45:00 → LIR 2026-11-20 14:10:00; 1 stop(s) via YYZ; 565 minutes. Local airport times.
    • AC763: BOS 2026-11-20 05:45:00 → YYZ 2026-11-20 07:50:00; layover at YYZ: 100 minutes.
    • AC1873: YYZ 2026-11-20 09:30:00 → LIR 2026-11-20 14:10:00.
  • JetBlue Airways B6898: LIR 2026-11-23 16:45:00 → BOS 2026-11-23 23:10:00; nonstop; 325 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $569.05

  • Air Canada AC8603 / AC1863: BOS 2026-11-20 05:30:00 → LIR 2026-11-20 14:20:00; 1 stop(s) via YUL; 590 minutes. Local airport times.
    • AC8603: BOS 2026-11-20 05:30:00 → YUL 2026-11-20 06:55:00; layover at YUL: 130 minutes.
    • AC1863: YUL 2026-11-20 09:05:00 → LIR 2026-11-20 14:20:00.
  • JetBlue Airways B6898: LIR 2026-11-23 16:45:00 → BOS 2026-11-23 23:10:00; nonstop; 325 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $574.75

  • United Airlines UA1388 / UA1737: BOS 2026-11-20 09:30:00 → LIR 2026-11-20 18:37:00; 1 stop(s) via IAH; 607 minutes. Local airport times.
    • UA1388: BOS 2026-11-20 09:30:00 → IAH 2026-11-20 13:06:00; layover at IAH: 119 minutes.
    • UA1737: IAH 2026-11-20 15:05:00 → LIR 2026-11-20 18:37:00.
  • United Airlines UA1548 / UA755: LIR 2026-11-23 14:00:00 → BOS 2026-11-23 23:59:00; 1 stop(s) via IAD; 539 minutes. Local airport times.
    • UA1548: LIR 2026-11-23 14:00:00 → IAD 2026-11-23 19:35:00; layover at IAD: 165 minutes.
    • UA755: IAD 2026-11-23 22:20:00 → BOS 2026-11-23 23:59:00.

2026-11-27 → 2026-12-04 · $577.80

  • American Airlines AA1249 / AA887: BOS 2026-11-27 05:00:00 → LIR 2026-11-27 12:30:00; 1 stop(s) via CLT; 510 minutes. Local airport times.
    • AA1249: BOS 2026-11-27 05:00:00 → CLT 2026-11-27 07:34:00; layover at CLT: 96 minutes.
    • AA887: CLT 2026-11-27 09:10:00 → LIR 2026-11-27 12:30:00.
  • American Airlines AA1919 / AA2227: LIR 2026-12-04 11:58:00 → BOS 2026-12-04 22:58:00; 1 stop(s) via MIA; 600 minutes. Local airport times.
    • AA1919: LIR 2026-12-04 11:58:00 → MIA 2026-12-04 15:52:00; layover at MIA: 221 minutes.
    • AA2227: MIA 2026-12-04 19:33:00 → BOS 2026-12-04 22:58:00.

2026-11-27 → 2026-12-04 · $588.50

  • United Airlines UA1388 / UA1737: BOS 2026-11-27 09:30:00 → LIR 2026-11-27 18:37:00; 1 stop(s) via IAH; 607 minutes. Local airport times.
    • UA1388: BOS 2026-11-27 09:30:00 → IAH 2026-11-27 13:06:00; layover at IAH: 119 minutes.
    • UA1737: IAH 2026-11-27 15:05:00 → LIR 2026-11-27 18:37:00.
  • United Airlines UA1548 / UA755: LIR 2026-12-04 14:00:00 → BOS 2026-12-04 23:59:00; 1 stop(s) via IAD; 539 minutes. Local airport times.
    • UA1548: LIR 2026-12-04 14:00:00 → IAD 2026-12-04 19:35:00; layover at IAD: 165 minutes.
    • UA755: IAD 2026-12-04 22:20:00 → BOS 2026-12-04 23:59:00.

2026-11-27 → 2026-12-04 · $588.50

  • United Airlines UA1734 / UA1547: BOS 2026-11-27 05:45:00 → LIR 2026-11-27 12:50:00; 1 stop(s) via IAD; 485 minutes. Local airport times.
    • UA1734: BOS 2026-11-27 05:45:00 → IAD 2026-11-27 07:25:00; layover at IAD: 86 minutes.
    • UA1547: IAD 2026-11-27 08:51:00 → LIR 2026-11-27 12:50:00.
  • United Airlines UA1548 / UA755: LIR 2026-12-04 14:00:00 → BOS 2026-12-04 23:59:00; 1 stop(s) via IAD; 539 minutes. Local airport times.
    • UA1548: LIR 2026-12-04 14:00:00 → IAD 2026-12-04 19:35:00; layover at IAD: 165 minutes.
    • UA755: IAD 2026-12-04 22:20:00 → BOS 2026-12-04 23:59:00.

More dates for this route