Flights to Slate Islands from Boston - $248

View $248 flight on Wed, Oct 8, 2025Opens in a new window

Popular airlines from Boston to Slate Islands

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Find available prices by choosing your travel dates.

Cheap Flights from Boston to Slate Islands (BOS-GLA)

Prices were available within the past 7 days and start at $248 for one-way flights and $556 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Sat, Feb 14 - Sun, Feb 22
BOS
Boston
GLA
Glasgow
$556 Roundtrip, just found
$556
Roundtrip
just found
Select Icelandair flight, departing Sat, Feb 14 from Boston to Glasgow, returning Sun, Feb 22, priced at $556 just found
British Airways
Fri, Aug 8 - Sat, Aug 16
BOS
Boston
GLA
Glasgow
$565 Roundtrip, found 3 days ago
$565
Roundtrip
found 3 days ago
Select British Airways flight, departing Fri, Aug 8 from Boston to Glasgow, returning Sat, Aug 16, priced at $565 found 3 days ago
Iberia
Wed, Aug 13 - Thu, Aug 21
BOS
Boston
GLA
Glasgow
$598 Roundtrip, found 2 hours ago
$598
Roundtrip
found 2 hours ago
Select Iberia flight, departing Wed, Aug 13 from Boston to Glasgow, returning Thu, Aug 21, priced at $598 found 2 hours ago
American Airlines
Wed, Aug 13 - Thu, Aug 21
BOS
Boston
GLA
Glasgow
$598 Roundtrip, found 2 hours ago
$598
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Aug 13 from Boston to Glasgow, returning Thu, Aug 21, priced at $598 found 2 hours ago
Virgin Atlantic
Wed, Aug 13 - Thu, Aug 21
BOS
Boston
GLA
Glasgow
$642 Roundtrip, found 2 hours ago
$642
Roundtrip
found 2 hours ago
Select Virgin Atlantic flight, departing Wed, Aug 13 from Boston to Glasgow, returning Thu, Aug 21, priced at $642 found 2 hours ago
Delta
Sun, Sep 14 - Mon, Sep 22
BOS
Boston
GLA
Glasgow
$642 Roundtrip, just found
$642
Roundtrip
just found
Select Delta flight, departing Sun, Sep 14 from Boston to Glasgow, returning Mon, Sep 22, priced at $642 just found

Find the cheapest month to fly from Boston (BOS) to Glasgow (GLA)

March is typically the cheapest month to fly

From $500 - $637 per traveler.

Graph displaying average flight prices per month

*Available to One Key members.