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BOS → Dublin Aer Lingus · Sep 2026 · $429 RT
87strong
September fare class typically lasts 24–72 hours at this levelVerified Apr 25Why it's a deal
Nonstop BOS→DUB at $429 RT is roughly $250 below the 12-month median. September is the sweet spot — weather still good, kids back in school, peak summer fares evaporated.
Score breakdown
The Dream Score is deterministic. Here's exactly how this 87 was calculated.
Price vs typical
+26.4
30%
Total trip value
+8.6
15%
Source credibility
+9.5
10%
Destination fit
+9.7
10%
Airport fit
+8.0
8%
Date desirability
+6.2
7%
Review quality
+5.5
7%
Bookability
+3.8
5%
Flexibility
+2.9
4%
Routing quality
+3.8
4%
Who it's for
Adults and adult-couples doing 1–2 week Ireland trips, or anyone using Dublin as the gateway for a longer Europe routing.
Risks & fine print
- •Basic economy fare excludes checked bag and seat selection
- •Fare classes at this price typically clear within 2–3 days
Booking strategy
Book direct with Aer Lingus to retain change flexibility. Add a checked bag at booking — it's $80 at the airport.