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Boston to Dublin Flights — Fares from $432.00 | BOS–DUB

Compare the cheapest Boston (BOS) to Dublin (DUB) fares found by our live flight search, then book online or over the phone with our travel experts.

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Adults
12+
1
Children
2–11
0
Infants
Under 2
0
Cabin
🏷️
Save up to 40% with unpublished phone fares
Consolidator deals on selected Boston → Dublin flights that do not appear in online search results. The live fares below are bookable right now — or call to check for an unpublished fare on your dates.
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One-way fares Boston → Dublin

showing indicative fares · loading live prices…
Delta Air Lines
Delta Air Lines CHEAPEST
BOS → DUB · Economy
lowest fare seen on this route
$720.39
$432.23
Select
Air France
Air France
BOS → DUB · Economy
lowest fare seen on this route
$752.89
$451.73
Select
KLM
KLM
BOS → DUB · Economy
lowest fare seen on this route
$752.89
$451.73
Select
United Airlines
United Airlines
BOS → DUB · Economy
lowest fare seen on this route
$830.40
$498.24
Select
TP Airlines
TP Airlines
BOS → DUB · Economy
lowest fare seen on this route
$844.49
$506.69
Select
Air Canada
Air Canada
BOS → DUB · Economy
lowest fare seen on this route
$845.69
$507.41
Select
See all flights & times → Prices per adult, one way, incl. taxes & fees. Availability changes constantly.
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Live fares we can book on BOS–DUB

Lowest fare found per airline on the BOS → DUB route, with our discounted phone-deal price.

AirlineCabin Found fareOur discounted fare Fare found on
Delta Air Lines Delta Air Lines Economy $720.39 $432.23 Oct 15, 2026 Book
Air France Air France Economy $752.89 $451.73 Oct 15, 2026 Book
KLM KLM Economy $752.89 $451.73 Oct 15, 2026 Book
United Airlines United Airlines Economy $830.40 $498.24 Oct 15, 2026 Book
TP Airlines TP Airlines Economy $844.49 $506.69 Oct 15, 2026 Book
Air Canada Air Canada Economy $845.69 $507.41 Oct 15, 2026 Book
British Airways British Airways Economy $897.29 $538.37 Oct 15, 2026 Book
American Airlines American Airlines Economy $954.79 $572.87 Oct 15, 2026 Book
Iberia Iberia Economy $999.19 $599.51 Oct 15, 2026 Book
FI Airlines FI Airlines Economy $1,067.19 $640.31 Oct 15, 2026 Book
Swiss Swiss Economy $1,123.19 $673.91 Oct 15, 2026 Book
Lufthansa Lufthansa Economy $1,124.89 $674.93 Oct 15, 2026 Book
EI Airlines EI Airlines Economy $1,160.29 $696.17 Oct 15, 2026 Book
Austrian Austrian Economy $1,236.39 $741.83 Oct 15, 2026 Book
JetBlue JetBlue Economy $1,458.79 $875.27 Oct 15, 2026 Book

Discounted fares are negotiated phone deals from our vendor network and may not appear in online search results — call 1-856-513-6369 to lock one in. Fares were found on the dates shown, are per person in USD, and change with availability.

More routes we cover

Boston to Asunción Boston to Atlanta Boston to Austin Boston to Baltimore Boston to Breslau Boston to Burbank Denver to Dublin New York to Dublin New York to Dublin Newark to Dublin Philadelphia to Dublin Santiago de Compostela to Dublin All routes →

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Page updated October 15, 2026 · fare data refreshed automatically from live flight searches.