Cheap flights from Boston to Baltimore

One-way fares from $71 · BOS → BWI · prices found by travellers in the last 48 hours

Compare all dates Baltimore → Boston
Cheapest fare
$71

Southwest Airlines · Tue, Feb 23

Cheapest month
February

from $71

Direct flights
Yes

Southwest Airlines

Flight time
1h 35m

580 km

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Cheapest month to fly from Boston to Baltimore

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

  1. November 2026 $141
  2. February 2027 Cheapest $71

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

Where to stay

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Things to do

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Getting around

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About flights from Boston to Baltimore

Boston (BOS) and Baltimore (BWI) are about 580 km apart. Direct flights take around 1h 35m, and recent direct fares were with Southwest Airlines. Over the next few months, one-way fares start from $71, and February 2027 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 Baltimore?

The cheapest one-way fare we've seen recently is $71 with Southwest Airlines, departing Tuesday, February 23, 2027. Over the coming months, the lowest fare in each month ranges from $71 to $141.

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

February 2027 currently has the lowest fares, from $71 one way.

Are there direct flights from Boston to Baltimore?

Yes. Recent direct fares were with Southwest Airlines.

How long is the flight from Boston to Baltimore?

A direct flight takes about 1h 35m. Boston and Baltimore are around 580 km apart.

Which airlines fly from Boston to Baltimore?

Recent fares on this route were with Frontier Airlines and Southwest Airlines.

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