Cheap flights from Harlingen to Boston

One-way fares from $282 · HRL → BOS · prices found by travellers in the last 48 hours

Compare all dates Boston → Harlingen
Cheapest fare
$282

Southwest Airlines · Sat, Nov 14

Cheapest month
November

from $282

Direct flights
Not recently

Usually 1+ stop

Quickest trip
5h 40m

3,020 km

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Cheapest month to fly from Harlingen to Boston

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $282

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Southwest Airlines
Depart07:45 Sat, Nov 14HRL → BOS 5h 40m · 2 stops
$282one way, per person
View deal
See every date in November 2026 →

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About flights from Harlingen to Boston

Harlingen (HRL) and Boston (BOS) are about 3,020 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 5h 40m. Over the next few months, one-way fares start from $282, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Harlingen to Boston?

The cheapest one-way fare we've seen recently is $282 with Southwest Airlines, departing Saturday, November 14, 2026.

What is the cheapest month to fly from Harlingen to Boston?

November 2026 currently has the lowest fares, from $282 one way.

Are there direct flights from Harlingen to Boston?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Harlingen to Boston?

The quickest journey we've seen takes about 5h 40m. Harlingen and Boston are around 3,020 km apart.

Which airlines fly from Harlingen to Boston?

Recent fares on this route were with Southwest Airlines.

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