Cheap flights from Baltimore to Niagara Falls from $267 BWI → IAG
Baltimore/Wash International Thurgood Marshall Airport (BWI) → Niagara Falls International Airport (IAG)
The cheapest one-way found recently is $267 with Frontier Airlines, 7 Jan 2027, found 2 days ago.
- Cheapest one-way found recently
- $267, found 2 days ago
One-way
The cheapest one-way fare on each of 3 departure dates is usually $287 to $329.
Cheapest one-way found recently
$267
7 Jan 2027 · Frontier Airlines
Baltimore/Wash International Thurgood Marshall Airport (BWI) → Niagara Falls International Airport (IAG)
Leaves 10:38 a.m. · 48 h 29 min trip
3 stops
found 2 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$267 7 Jan 2027found 2 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 3 days, 9 Nov to 11 Nov, the cheapest one-way we saw each day was $267 to $277.
At $267, the cheapest one-way found recently is at the low end of that range.
3 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 3 departure dates from 5 Jan 2027 to 7 Jan 2027, 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?
No. We hold one-way fares on 2 other departure dates within 3 days of 7 Jan 2027, and none is cheaper.
Every date we hold
4 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 5 Jan 2027 | $350 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → Niagara Falls International Airport (IAG) | 3 stops | found 4 days ago | Open this trip |
| 6 Jan 2027 | $307 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → Niagara Falls International Airport (IAG) | 3 stops | found 4 days ago | Open this trip |
| 7 Jan 2027 | $267 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → Niagara Falls International Airport (IAG) | 3 stops | found 2 days ago | Open this trip |
Airlines on the cheapest dates: Frontier Airlines.
Premium cabin fares from Baltimore to Niagara Falls
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 7 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Baltimore to Niagara Falls?
One-way
Not enough history yet: we have 3 days of one-way prices, 9 Nov to 11 Nov, and compare booking times once 3 booking ranges have 7 days each.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Baltimore → Toronto
71 km from Niagara Falls
$376
13 Nov – 14 Nov · BWI → YYZ · out 1 stop, back nonstop
found 5 days ago
Baltimore → Buffalo
24 km from Niagara Falls
$511
26 Nov – 28 Nov · BWI → BUF · out 1 stop, back nonstop
found 7 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Baltimore → Toronto
71 km from Niagara Falls
$150
$117 less than flying to Niagara Falls
1 Dec · BWI → YYZ · 2 stops
found 4 days ago
Washington → Niagara Falls
57 km from Baltimore
$284
$17 more than flying from Baltimore
7 Jan 2027 · IAD → IAG · 3 stops
found 2 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 7 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a one-way flight from Baltimore to Niagara Falls?
The cheapest one-way found recently is $267 with Frontier Airlines, 7 Jan 2027, found 2 days ago. The cheapest one-way fare on each of 3 departure dates is usually $287 to $329.
How long is the flight from Baltimore to Niagara Falls?
The cheapest one-way found recently, with Frontier Airlines on 7 Jan 2027, takes 48 h 29 min with 3 stops.
Which airlines have the cheapest flights from Baltimore to Niagara Falls?
Between 5 Jan 2027 and 7 Jan 2027, Frontier Airlines has the cheapest one-way on all 3 departure dates we hold.
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