Cheap flights from Houston to Treshnish Isles from CA $487

View CA $487 flight on Mon, Aug. 25, 2025Opens in a new window

Popular airlines from Houston to Treshnish Isles

  • American Airlines

    American Airlines

  • Finnair

    Finnair

  • British Airways

    British Airways

  • Delta

    Delta

  • Aer Lingus

    Aer Lingus

  • Iberia

    Iberia

  • Lufthansa

    Lufthansa

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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 $487 for one-way flights and CA $803 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, May 10 - Sat, May 16
IAH
Houston
INV
Inverness
CA $803 Roundtrip, found 6 days ago
CA $803
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, May 10 from Houston to Inverness, returning Sat, May 16, priced at CA $803 found 6 days ago
Virgin Atlantic
Sun, Aug. 24 - Mon, Sep. 8
IAH
Houston
INV
Inverness
CA $807 Roundtrip, found 6 days ago
CA $807
Roundtrip
found 6 days ago
Select Virgin Atlantic flight, departing Sun, Aug. 24 from Houston to Inverness, returning Mon, Sep. 8, priced at CA $807 found 6 days ago
American Airlines
Sun, May 10 - Sat, May 16
IAH
Houston
INV
Inverness
CA $810 Roundtrip, found 6 days ago
CA $810
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, May 10 from Houston to Inverness, returning Sat, May 16, priced at CA $810 found 6 days ago
British Airways
Sun, Aug. 24 - Mon, Sep. 8
IAH
Houston
INV
Inverness
CA $999 Roundtrip, found 6 days ago
CA $999
Roundtrip
found 6 days ago
Select British Airways flight, departing Sun, Aug. 24 from Houston to Inverness, returning Mon, Sep. 8, priced at CA $999 found 6 days ago
Iberia
Sun, Aug. 24 - Mon, Sep. 8
IAH
Houston
INV
Inverness
CA $1,037 Roundtrip, found 6 days ago
CA $1,037
Roundtrip
found 6 days ago
Select Iberia flight, departing Sun, Aug. 24 from Houston to Inverness, returning Mon, Sep. 8, priced at CA $1,037 found 6 days ago
Finnair
Sun, Aug. 24 - Mon, Sep. 8
IAH
Houston
INV
Inverness
CA $1,144 Roundtrip, found 6 days ago
CA $1,144
Roundtrip
found 6 days ago
Select Finnair flight, departing Sun, Aug. 24 from Houston to Inverness, returning Mon, Sep. 8, priced at CA $1,144 found 6 days ago

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

October is typically the cheapest month to fly

From CA $803 - CA $1,029 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.