Cheap flights from Boston to Des Moines

One-way fares from $70 · BOS → DSM · prices found by travellers in the last 48 hours

Cheapest fare
$70

Allegiant Air · Fri, Nov 13

Cheapest month
November

from $70

Direct flights
Yes

Allegiant Air

Flight time
3h 10m

1,860 km

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Cheapest month to fly from Boston to Des Moines

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

  1. November 2026 Cheapest $70

Cheapest dates in November 2026

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

Allegiant Air
Depart12:11 Fri, Nov 13BOS → DSM 3h 10m · Direct
$70one way, per person
View deal
Allegiant Air
Depart11:48 Wed, Nov 25BOS → DSM 3h 25m · Direct
$130one way, per person
View deal
American Airlines
Depart19:40 Sun, Nov 15BOS → DSM 4h 47m · 1 stop
$287one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Des Moines

Where to stay, what to do and getting around, from our travel partners.

About flights from Boston to Des Moines

Boston (BOS) and Des Moines (DSM) are about 1,860 km apart. Direct flights take around 3h 10m, and recent direct fares were with Allegiant Air. Over the next few months, one-way fares start from $70, 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 Boston to Des Moines?

The cheapest one-way fare we've seen recently is $70 with Allegiant Air, departing Friday, November 13, 2026.

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

November 2026 currently has the lowest fares, from $70 one way.

Are there direct flights from Boston to Des Moines?

Yes. Recent direct fares were with Allegiant Air.

How long is the flight from Boston to Des Moines?

A direct flight takes about 3h 10m. Boston and Des Moines are around 1,860 km apart.

Which airlines fly from Boston to Des Moines?

Recent fares on this route were with Allegiant Air and American Airlines.

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