Cheap flights from Des Moines to Boston

One-way fares from $166 · DSM → BOS · prices found by travellers in the last 48 hours

Compare all dates Boston → Des Moines
Cheapest fare
$166

Allegiant Air · Fri, Nov 6

Cheapest month
November

from $166

Direct flights
Yes

Allegiant Air

Flight time
2h 51m

1,860 km

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Cheapest month to fly from Des Moines to Boston

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

  1. November 2026 Cheapest $166

Cheapest dates in November 2026

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

Allegiant Air
Depart07:30 Fri, Nov 6DSM → BOS 2h 51m · Direct
$166one way, per person
View deal
See every date in November 2026 →

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About flights from Des Moines to Boston

Des Moines (DSM) and Boston (BOS) are about 1,860 km apart. Direct flights take around 2h 51m, and recent direct fares were with Allegiant Air. Over the next few months, one-way fares start from $166, 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 Des Moines to Boston?

The cheapest one-way fare we've seen recently is $166 with Allegiant Air, departing Friday, November 6, 2026.

What is the cheapest month to fly from Des Moines to Boston?

November 2026 currently has the lowest fares, from $166 one way.

Are there direct flights from Des Moines to Boston?

Yes. Recent direct fares were with Allegiant Air.

How long is the flight from Des Moines to Boston?

A direct flight takes about 2h 51m. Des Moines and Boston are around 1,860 km apart.

Which airlines fly from Des Moines to Boston?

Recent fares on this route were with Allegiant Air.

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