Cheap flights from Seattle to Treshnish Isles

View AU$465 flight on Wed, 1 Oct. 2025Opens in a new window

Popular airlines from Seattle to Treshnish Isles

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Seattle (SEA) to Treshnish Isles (GLA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Wed, 1 Oct. - Wed, 15 Oct.
SEA
Seattle
GLA
Glasgow
AU$1,046 Return, found 5 days ago
AU$1,046
Return
found 5 days ago
Select Icelandair flight, departing Wed, 1 Oct. from Seattle to Glasgow, returning Wed, 15 Oct., priced at AU$1,046 found 5 days ago
Aer Lingus
Wed, 1 Oct. - Wed, 15 Oct.
SEA
Seattle
GLA
Glasgow
AU$1,107 Return, found 5 days ago
AU$1,107
Return
found 5 days ago
Select Aer Lingus flight, departing Wed, 1 Oct. from Seattle to Glasgow, returning Wed, 15 Oct., priced at AU$1,107 found 5 days ago
Delta
Mon, 25 Aug. - Mon, 8 Sep.
SEA
Seattle
GLA
Glasgow
AU$1,116 Return, found 3 days ago
AU$1,116
Return
found 3 days ago
Select Delta flight, departing Mon, 25 Aug. from Seattle to Glasgow, returning Mon, 8 Sep., priced at AU$1,116 found 3 days ago
Aer Lingus
Mon, 25 Aug. - Mon, 8 Sep.
SEA
Seattle
GLA
Glasgow
AU$1,139 Return, found 3 days ago
AU$1,139
Return
found 3 days ago
Select Aer Lingus flight, departing Mon, 25 Aug. from Seattle to Glasgow, returning Mon, 8 Sep., priced at AU$1,139 found 3 days ago
Lufthansa
Wed, 1 Oct. - Wed, 15 Oct.
SEA
Seattle
GLA
Glasgow
AU$1,142 Return, found 5 days ago
AU$1,142
Return
found 5 days ago
Select Lufthansa flight, departing Wed, 1 Oct. from Seattle to Glasgow, returning Wed, 15 Oct., priced at AU$1,142 found 5 days ago
Virgin Atlantic
Mon, 25 Aug. - Mon, 8 Sep.
SEA
Seattle
GLA
Glasgow
AU$1,156 Return, found 3 days ago
AU$1,156
Return
found 3 days ago
Select Virgin Atlantic flight, departing Mon, 25 Aug. from Seattle to Glasgow, returning Mon, 8 Sep., priced at AU$1,156 found 3 days ago

Find the cheapest month to fly from Seattle (SEA) to Glasgow (GLA)

January is typically the cheapest month to fly

From AU$786 - AU$1,724 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.