Cheap flights from Belfast to Treshnish Isles from CA $50

View CA $50 flight on Wed, Sep. 17, 2025Opens in a new window

Popular airlines from Belfast to Treshnish Isles

  • easyJet

    easyJet

  • British Airways

    British Airways

  • Aer Lingus

    Aer Lingus

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Cheap flights from Belfast (BFS) to Treshnish Isles (GLA)

Prices were available within the past 7 days and start at CA $50 for one-way flights and CA $101 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

easyJet
Thu, Aug. 28 - Mon, Sep. 1
BHD
Belfast
GLA
Glasgow
CA $101 Roundtrip, found 10 hours ago
CA $101
Roundtrip
found 10 hours ago
Select easyJet flight, departing Thu, Aug. 28 from Belfast to Glasgow, returning Mon, Sep. 1, priced at CA $101 found 10 hours ago
easyJet
Thu, Aug. 28 - Mon, Sep. 1
BFS
Belfast
GLA
Glasgow
CA $101 Roundtrip, found 10 hours ago
CA $101
Roundtrip
found 10 hours ago
Select easyJet flight, departing Thu, Aug. 28 from Belfast to Glasgow, returning Mon, Sep. 1, priced at CA $101 found 10 hours ago
easyJet
Fri, Sep. 12 - Sun, Sep. 14
BFS
Belfast
GLA
Glasgow
CA $104 Roundtrip, found 4 hours ago
CA $104
Roundtrip
found 4 hours ago
Select easyJet flight, departing Fri, Sep. 12 from Belfast to Glasgow, returning Sun, Sep. 14, priced at CA $104 found 4 hours ago
easyJet
Thu, Aug. 28 - Mon, Sep. 1
BFS
Belfast
GLA
Glasgow
CA $104 Roundtrip, found 10 hours ago
CA $104
Roundtrip
found 10 hours ago
Select easyJet flight, departing Thu, Aug. 28 from Belfast to Glasgow, returning Mon, Sep. 1, priced at CA $104 found 10 hours ago
Aer Lingus
Thu, Aug. 28 - Mon, Sep. 1
BHD
Belfast
GLA
Glasgow
CA $138 Roundtrip, found 10 hours ago
CA $138
Roundtrip
found 10 hours ago
Select Aer Lingus flight, departing Thu, Aug. 28 from Belfast to Glasgow, returning Mon, Sep. 1, priced at CA $138 found 10 hours ago
British Airways
Fri, Nov. 21 - Mon, Nov. 24
BHD
Belfast
GLA
Glasgow
CA $394 Roundtrip, found 1 day ago
CA $394
Roundtrip
found 1 day ago
Select British Airways flight, departing Fri, Nov. 21 from Belfast to Glasgow, returning Mon, Nov. 24, priced at CA $394 found 1 day ago

Find the cheapest month to fly from Belfast (BFS) to Glasgow (GLA)

July is typically the cheapest month to fly

From CA $94 - CA $195 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.