Cheap International Flights from Boston in September
Fares shown are modelled estimates, not live quotes.
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September Travel Tip
A strong month for Europe. Shoulder season starts and prices often ease from peak.
Best Destinations from Boston in September
BOS → DUB
Dublin
Ireland
Est. $251
round trip
~7h flight time
BOS → GLA
Glasgow
United Kingdom
Est. $254
round trip
~7h flight time
BOS → EDI
Edinburgh
United Kingdom
Est. $257
round trip
~7h flight time
BOS → MAN
Manchester
United Kingdom
Est. $264
round trip
~7h flight time
BOS → OPO
Porto
Portugal
Est. $264
round trip
~7h flight time
BOS → LIS
Lisbon
Portugal
Est. $268
round trip
~7h flight time
BOS → BHX
Birmingham
United Kingdom
Est. $268
round trip
~7h flight time
BOS → LHR
London
United Kingdom
Est. $274
round trip
~8h flight time
BOS → FAO
Faro
Portugal
Est. $277
round trip
~8h flight time
Best Regions from Boston in September
Related Reading
Frequently Asked Questions
What are the cheapest destinations from Boston in September?
In September, some of the most affordable destinations from Boston include Dublin (est. $251 RT), Glasgow (est. $254 RT), Edinburgh (est. $257 RT). Prices vary by booking window.
Is September cheap to fly from Boston?
A strong month for Europe. Shoulder season starts and prices often ease from peak.
How far ahead should I book flights from Boston in September?
For September departures from Boston, booking 6–10 weeks in advance typically yields the best fares. For peak months like July and December, book 3–4 months early. Fare reviews and notifications are paused during the provider migration.
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