Cheap flights from Houston to Treshnish Isles from CA $491

View CA $491 flight on Mon, Oct. 20, 2025Opens in a new window

Popular airlines from Houston to Treshnish Isles

  • Finnair

    Finnair

  • British Airways

    British Airways

  • Aer Lingus

    Aer Lingus

  • Lufthansa

    Lufthansa

  • Virgin Atlantic

    Virgin Atlantic

  • Iberia

    Iberia

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Cheap flights from Houston (HOU) to Treshnish Isles (GLA)

Prices were available within the past 7 days and start at CA $491 for one-way flights and CA $960 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Atlantic
Mon, Oct. 20 - Tue, Oct. 28
IAH
Houston
GLA
Glasgow
CA $960 Roundtrip, found 16 hours ago
CA $960
Roundtrip
found 16 hours ago
Select Virgin Atlantic flight, departing Mon, Oct. 20 from Houston to Glasgow, returning Tue, Oct. 28, priced at CA $960 found 16 hours ago
Lufthansa
Mon, Oct. 20 - Tue, Oct. 28
IAH
Houston
GLA
Glasgow
CA $967 Roundtrip, found 16 hours ago
CA $967
Roundtrip
found 16 hours ago
Select Lufthansa flight, departing Mon, Oct. 20 from Houston to Glasgow, returning Tue, Oct. 28, priced at CA $967 found 16 hours ago
Air Canada
Mon, Oct. 20 - Tue, Oct. 28
IAH
Houston
GLA
Glasgow
CA $1,031 Roundtrip, found 16 hours ago
CA $1,031
Roundtrip
found 16 hours ago
Select Air Canada flight, departing Mon, Oct. 20 from Houston to Glasgow, returning Tue, Oct. 28, priced at CA $1,031 found 16 hours ago
Lufthansa
Mon, Oct. 20 - Tue, Oct. 28
IAH
Houston
GLA
Glasgow
CA $1,134 Roundtrip, found 16 hours ago
CA $1,134
Roundtrip
found 16 hours ago
Select Lufthansa flight, departing Mon, Oct. 20 from Houston to Glasgow, returning Tue, Oct. 28, priced at CA $1,134 found 16 hours ago
American Airlines
Wed, Jul. 30 - Wed, Aug. 6
IAH
Houston
GLA
Glasgow
CA $1,142 Roundtrip, found 2 days ago
CA $1,142
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Jul. 30 from Houston to Glasgow, returning Wed, Aug. 6, priced at CA $1,142 found 2 days ago
British Airways
Thu, Oct. 16 - Sun, Oct. 19
IAH
Houston
GLA
Glasgow
CA $1,186 Roundtrip, found 16 hours ago
CA $1,186
Roundtrip
found 16 hours ago
Select British Airways flight, departing Thu, Oct. 16 from Houston to Glasgow, returning Sun, Oct. 19, priced at CA $1,186 found 16 hours ago

Find the cheapest month to fly from Houston (HOU) to Glasgow (GLA)

November is typically the cheapest month to fly

From CA $805 - CA $1,361 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.