Boston to Baltimore BOS, PSM → BWI
Logan International Airport (BOS), Pease Air Force Base (PSM) → Baltimore/Wash International Thurgood Marshall Airport (BWI)
The cheapest one-way found recently is $177 with Breeze Airways, 15 Nov, found 4 days ago.
One-way
The cheapest one-way fare on each of 4 departure dates is usually $138 to $214.
Cheapest one-way found recently
$177
15 Nov · Breeze Airways
Pease Air Force Base (PSM) → Baltimore/Wash International Thurgood Marshall Airport (BWI)
Leaves 6:47 p.m. · 12 h 38 min trip
1 stop
found 4 days ago
Cheapest nonstop one-way
$55
24 Nov · Southwest Airlines
Logan International Airport (BOS) → Baltimore/Wash International Thurgood Marshall Airport (BWI)
Leaves 5:25 a.m. · 1 h 35 min trip
nonstop
found 6 days ago
Found recently, and the cheapest we hold
$177 15 Novfound 4 days agoOpen this trip
$55 24 Novfound 6 days agoOpen this trip
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $55 to $213.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 4 departure dates from 1 Nov to 28 Nov, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 15 Nov to compare.
Every date we hold
4 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 1 Nov | $326 | Allegiant Air | Pease Air Force Base (PSM) → Baltimore/Wash International Thurgood Marshall Airport (BWI) | 1 stop | found 4 days ago | Open this trip |
| 15 Nov | $177 | Breeze Airways | Pease Air Force Base (PSM) → Baltimore/Wash International Thurgood Marshall Airport (BWI) | 1 stop | found 4 days ago | Open this trip |
| 24 Nov | $55 | Southwest Airlines | Logan International Airport (BOS) → Baltimore/Wash International Thurgood Marshall Airport (BWI) | nonstop | found 6 days ago | Open this trip |
| 28 Nov | $166 | Southwest Airlines | Logan International Airport (BOS) → Baltimore/Wash International Thurgood Marshall Airport (BWI) | nonstop | found 6 days ago | Open this trip |
Airlines on the cheapest dates: Southwest Airlines, Allegiant Air, Breeze Airways.
Premium cabin fares from Boston to Baltimore
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 15 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Boston to Baltimore?
One-way
Timing didn't matter much here — prices were about the same in every range.
From the cheapest one-way each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 14–29 days | $90 | $62 | Cheapest seen | 9 |
| 30–59 days | $91 | $55 | +1% | 24 |
| 90–179 days | $90 | $90 | +0% | 8 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Boston → Washington
57 km from Baltimore
$296
12 Nov – 15 Nov · BOS → DCA · out 1 stop, back 1 stop
found yesterday
Hartford → Baltimore
142 km from Boston
$237
9 Nov – 12 Nov · BDL → BWI · out 1 stop, back 1 stop
found 3 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Boston → Washington
57 km from Baltimore
$130
$47 less than flying to Baltimore
3 Nov · BOS → IAD · 1 stop
found today
Hartford → Baltimore
142 km from Boston
$133
$44 less than flying from Boston
9 Nov · BDL → BWI · nonstop
found 3 days ago
Boston → Philadelphia
145 km from Baltimore
$314
$137 more than flying to Baltimore
24 Oct · PSM → PHL · 1 stop
found 5 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest one-way found recently is for 15 Nov. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work