Cheap International Flights from Detroit in September
Fares shown are modelled estimates, not live quotes.
Save a price alert
Fare reviews and notifications are paused while the fare feed moves to a new provider. You can save a route now.
September Travel Tip
A strong month for Europe. Shoulder season starts and prices often ease from peak.
Best Destinations from Detroit in September
DTW → DUB
Dublin
Ireland
Est. $293
round trip
~8h flight time
DTW → GLA
Glasgow
United Kingdom
Est. $293
round trip
~8h flight time
DTW → EDI
Edinburgh
United Kingdom
Est. $296
round trip
~8h flight time
DTW → MAN
Manchester
United Kingdom
Est. $305
round trip
~8h flight time
DTW → BHX
Birmingham
United Kingdom
Est. $309
round trip
~8h flight time
DTW → OPO
Porto
Portugal
Est. $313
round trip
~8h flight time
DTW → LHR
London
United Kingdom
Est. $316
round trip
~9h flight time
DTW → LIS
Lisbon
Portugal
Est. $318
round trip
~9h flight time
DTW → FAO
Faro
Portugal
Est. $327
round trip
~9h flight time
Best Regions from Detroit in September
Related Reading
Frequently Asked Questions
What are the cheapest destinations from Detroit in September?
In September, some of the most affordable destinations from Detroit include Dublin (est. $293 RT), Glasgow (est. $293 RT), Edinburgh (est. $296 RT). Prices vary by booking window.
Is September cheap to fly from Detroit?
A strong month for Europe. Shoulder season starts and prices often ease from peak.
How far ahead should I book flights from Detroit in September?
For September departures from Detroit, 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.
Save a price alert
Fare reviews and notifications are paused while the fare feed moves to a new provider. You can save a route now.
Your saved route will be waiting when fare reviews resume.
Create a price alert