$31 Cheap Flights to Costelloe

View $31 flight on Sat, Jan 17, 2026Opens in a new window

Popular airlines to Costelloe

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How much is the cheapest flight to Costelloe?

Prices were available within the past 7 days and start at $31 for one-way flights and $63 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Wed, Nov 26 - Tue, Dec 2
LTN
London
NOC
Knock
$63 Roundtrip, found 12 hours ago
$63
Roundtrip
found 12 hours ago
Select Ryanair flight, departing Wed, Nov 26 from London to Knock, returning Tue, Dec 2, priced at $63 found 12 hours ago
Aer Lingus
Mon, Sep 15 - Tue, Sep 23
LHR
London
NOC
Knock
$134 Roundtrip, found 14 hours ago
$134
Roundtrip
found 14 hours ago
Select Aer Lingus flight, departing Mon, Sep 15 from London to Knock, returning Tue, Sep 23, priced at $134 found 14 hours ago
British Airways
Thu, Aug 28 - Sun, Aug 31
LHR
London
SNN
Shannon
$293 Roundtrip, just found
$293
Roundtrip
just found
Select British Airways flight, departing Thu, Aug 28 from London to Shannon, returning Sun, Aug 31, priced at $293 just found
Delta
Tue, Aug 12 - Wed, Aug 20
JFK
New York
SNN
Shannon
$352 Roundtrip, found 2 hours ago
$352
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Aug 12 from New York to Shannon, returning Wed, Aug 20, priced at $352 found 2 hours ago
United
Mon, Aug 4 - Thu, Aug 21
EWR
New York
SNN
Shannon
$352 Roundtrip, found 3 hours ago
$352
Roundtrip
found 3 hours ago
Select United flight, departing Mon, Aug 4 from New York to Shannon, returning Thu, Aug 21, priced at $352 found 3 hours ago

Find the cheapest month to fly from Columbus (CMH) to Shannon (SNN)

August is typically the cheapest month to fly

From $577 - $1,850 per traveler.

Graph displaying average flight prices per month

Flights to Costelloe information
Destination airport
Ireland West
Destination airport IATA code
NOC
Destination city name
Knock
Roundtrip price
$63

Trending flights to Costelloe

Prices were available within the past 7 days and start at $31 for one-way flights and $63 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Tue, Nov 11 - Thu, Nov 20
BOS
Boston
SNN
Shannon
$342 Roundtrip, found 6 hours ago
$342
Roundtrip
found 6 hours ago
Select Aer Lingus flight, departing Tue, Nov 11 from Boston to Shannon, returning Thu, Nov 20, priced at $342 found 6 hours ago

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