Cheap Flights to Treshnish Isles: Treshnish Isles Flight Deals

View €20 flight on Sat, 25 Apr 2026Opens in a new window

Popular airlines

  • British Airways

  • KLM

  • Lufthansa

  • easyJet

  • Aer Lingus

  • Air France

  • Finnair

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 15% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Treshnish Isles

Prices were available within the past 7 days and start at €20 for one-way flights and €35 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Tue, 12 May - Wed, 13 May
DUB
Dublin
GLA
Glasgow
€35 Return, just found
€35
Return
just found
Select Ryanair flight, departing Tue, 12 May from Dublin to Glasgow, returning Wed, 13 May, priced at €35 just found
easyJet
Wed, 3 Jun - Thu, 18 Jun
BHD
Belfast
GLA
Glasgow
€62 Return, found 1 day ago
€62
Return
found 1 day ago
Select easyJet flight, departing Wed, 3 Jun from Belfast to Glasgow, returning Thu, 18 Jun, priced at €62 found 1 day ago
Aer Lingus
Tue, 12 May - Wed, 13 May
DUB
Dublin
GLA
Glasgow
€80 Return, just found
€80
Return
just found
Select Aer Lingus flight, departing Tue, 12 May from Dublin to Glasgow, returning Wed, 13 May, priced at €80 just found
British Airways
Sat, 16 May - Sun, 17 May
LGW
London
GLA
Glasgow
€123 Return, found 19 hours ago
€123
Return
found 19 hours ago
Select British Airways flight, departing Sat, 16 May from London to Glasgow, returning Sun, 17 May, priced at €123 found 19 hours ago
KLM
Thu, 7 Jan - Sun, 10 Jan
DUB
Dublin
GLA
Glasgow
€182 Return, found 20 hours ago
€182
Return
found 20 hours ago
Select KLM flight, departing Thu, 7 Jan from Dublin to Glasgow, returning Sun, 10 Jan, priced at €182 found 20 hours ago

Frequently asked questions

How do I find cheap flights to Treshnish Isles that have flexible change policies?
Search for your low-cost flights to Treshnish Isles, then tick the "No change fee" box below the "Flexible change policies" filter. It's that simple. We understand that things can change and flexibility matters, so book with confidence with Expedia.
Which airlines fly to Treshnish Isles?
TUI Airways runs flights into or near Treshnish Isles, including 4 that touch down at Glasgow Intl. Airport (GLA) each month. Choose your travel dates and then secure your airfare early for the biggest bargain.
How can I find cheap tickets to Treshnish Isles?
To score an amazing deal to Treshnish Isles, book well ahead of time. Also take advantage of Expedia's "flexible dates" feature at the top of your search results. This will display prices for nearby days. In the last seven days, €35 was the lowest price for a flight to Treshnish Isles.
How much is a flight to Treshnish Isles?
The price of a round-trip journey to Treshnish Isles in the last seven days ranged between €35 and €182. If you were heading one way from Dublin (DUB), you could have gotten a deal from just €20.
What are the most popular airports to fly into in Treshnish Isles?
Treshnish Isles's principal airport is Glasgow Intl. Airport (GLA). Get your thrilling adventure underway by locking in a ticket on one of the 4 monthly flights to this destination.
How much is a plane ticket to Treshnish Isles?
In the last seven days, airfares to Treshnish Isles ranged between €35 and €182. The early bird catches the worm, so secure a terrific deal today.
What months are the cheapest to book a flight to Treshnish Isles?
February is a cheap month to purchase a seat for your Treshnish Isles getaway. Tickets cost the most during the festive month of December, so avoid this time if you can.

Travel information

Destination airport
Glasgow Intl.
Destination airport IATA code
GLA
Destination city name
Glasgow
Return price
€34

Trending flights to Treshnish Isles

Prices were available within the past 7 days and start at €20 for one-way flights and €35 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Tue, 12 May - Wed, 13 May
DUB
Dublin
GLA
Glasgow
€35 Return, just found
€35
Return
just found
Select Ryanair flight, departing Tue, 12 May from Dublin to Glasgow, returning Wed, 13 May, priced at €35 just found
*Available to Expedia members.