Travel with Axel,
get the best price.

Islip → Boston

Choose your travel dates

ISP → BOS1 adulteconomy

3 flight options · 1 airline

Round-trip flights

Fri, Nov 20 – Mon, Nov 23

Southwest Airlines
5:30 amISP
4h 10m
BWI · 1h 15m
9:40 amBOS
Southwest Airlines
7:55 amBOS
3h 50m
BWI · 1h
11:45 amISP

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Southwest Airlines
5:30 amISP
4h 10m
BWI · 1h 15m
9:40 amBOS
Southwest Airlines
7:55 amBOS
3h 50m
BWI · 1h
11:45 amISP

Round-trip total · 1 adult · Taxes included

One-way flights

Fri, Nov 20 · One way

Southwest Airlines
5:30 amISP
4h 10m
BWI · 1h 15m
9:40 amBOS

One-way total · 1 adult · Taxes included

Make this trip yours

ISP ⇄ BOS

Economy

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

No account needed to see prices.

Already have an account? Log in

Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, Southwest 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.
  • 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
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

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 waySouthwest AirlinesWN4506 + WN1522$220.002026-10-29T01:15:28Z
2026-11-20 → 2026-11-23Southwest AirlinesWN4506 + WN1522 / WN1670 + WN1100$400.002026-10-29T01:15:28Z
2026-11-27 → 2026-12-04Southwest AirlinesWN4506 + WN1522 / WN1670 + WN1100$450.002026-10-29T01:15:28Z

2026-11-20 · one way · $220.00

  • Southwest Airlines WN4506 / WN1522: ISP 2026-11-20 05:30:00 → BOS 2026-11-20 09:40:00; 1 stop(s) via BWI; 250 minutes. Local airport times.
    • WN4506: ISP 2026-11-20 05:30:00 → BWI 2026-11-20 06:50:00; layover at BWI: 75 minutes.
    • WN1522: BWI 2026-11-20 08:05:00 → BOS 2026-11-20 09:40:00.

2026-11-20 → 2026-11-23 · $400.00

  • Southwest Airlines WN4506 / WN1522: ISP 2026-11-20 05:30:00 → BOS 2026-11-20 09:40:00; 1 stop(s) via BWI; 250 minutes. Local airport times.
    • WN4506: ISP 2026-11-20 05:30:00 → BWI 2026-11-20 06:50:00; layover at BWI: 75 minutes.
    • WN1522: BWI 2026-11-20 08:05:00 → BOS 2026-11-20 09:40:00.
  • Southwest Airlines WN1670 / WN1100: BOS 2026-11-23 07:55:00 → ISP 2026-11-23 11:45:00; 1 stop(s) via BWI; 230 minutes. Local airport times.
    • WN1670: BOS 2026-11-23 07:55:00 → BWI 2026-11-23 09:40:00; layover at BWI: 60 minutes.
    • WN1100: BWI 2026-11-23 10:40:00 → ISP 2026-11-23 11:45:00.

2026-11-27 → 2026-12-04 · $450.00

  • Southwest Airlines WN4506 / WN1522: ISP 2026-11-27 05:30:00 → BOS 2026-11-27 09:40:00; 1 stop(s) via BWI; 250 minutes. Local airport times.
    • WN4506: ISP 2026-11-27 05:30:00 → BWI 2026-11-27 06:50:00; layover at BWI: 75 minutes.
    • WN1522: BWI 2026-11-27 08:05:00 → BOS 2026-11-27 09:40:00.
  • Southwest Airlines WN1670 / WN1100: BOS 2026-12-04 07:55:00 → ISP 2026-12-04 11:45:00; 1 stop(s) via BWI; 230 minutes. Local airport times.
    • WN1670: BOS 2026-12-04 07:55:00 → BWI 2026-12-04 09:40:00; layover at BWI: 60 minutes.
    • WN1100: BWI 2026-12-04 10:40:00 → ISP 2026-12-04 11:45:00.

More dates for this route