The move by Easyjet follows the resumption of cross-Border non-essential travel on Monday with the easing of Covid lockdown restrictions.
During May, it will resume flights from Glasgow to Birmingham and Jersey, and restore more flights to Stansted, Bristol, Luton and Belfast.
It follows Glasgow-based Loganair the UK’s largest regional airline, announcing plans to resume flights to Southampton, Kirkwall and Sumburgh, and restore more flights to Campbeltown, Islay, Stornoway, Tiree and Exeter.
Glasgow Airport will also re-open its duty free shop on Sunday for the first time in more than five months.
Easyjet changes from Glasgow:
Stansted route will increase to daily flights from Saturday.
Birmingham flights restart on Sunday with four flights per week then increase to daily except Saturdays from May 31.
Bristol flights increase to daily except Saturdays from Monday.
They will increase to ten flights a week from May 28, with two on Thursdays, Fridays and Sundays.
Luton flights increase to five a week from Monday and to daily from May 22.
Belfast flights increase to nine a week from Friday May 7 with two on Fridays and Sundays.
Jersey flights resume on May 22 with two a week, increasing to three from June 15 and daily except Wednesdays from July 2.
Easyjet changes in Edinburgh from May:
Belfast flights will increase from four to up to 12 a week.
Birmingham flights will resume with four a week.
Bournemouth flights will launch with two a week from May 27.
Bristol flights will increase from four to up to nine a week.
Gatwick flights will increase from three to up to eight a week
Luton and Stansted flights will increase from four to up to six a week.
Loganair changes from Glasgow:
Southampton flights resume on Monday with three a week, which are due to increase in June.
Campbeltown, Islay, Stornoway and Tiree flights will increase to twice daily from Monday.
Sumburgh flights resume on May 24 with five a week via Kirkwall and direct from June 14.
Kirkwall flights increase to daily from June 10.
Exeter flights will increase to daily from June 18.
Loganair will also resume direct Aberdeen flights to Kirkwall and Shetland from Monday, which had been previously combined.
It will also resume flights to both island airports from Edinburgh five days a week and increase them to daily from May 24.
Edinburgh-Stornoway flights will resume on May 24 twice a week before becoming daily in June.
Inverness-Stornoway flights will increase to twice each weekday from June 1 and Inverness services to Orkney and Shetland will resume.
The airline then plans to progressively restore other flights on its more than 30 cross-Border routes.
Chief commercial officer Kay Ryan said: ‘We know many of our customers have been waiting for our services to either resume or indeed start in some cases.
"As the UK’s largest regional airline, our network provides much needed connections from the islands to mainland Scotland and beyond.
"We look forward to our passengers returning to the skies.”
Glasgow Airport said rapid Covid testing facilities were in place in the terminal and car parks, with PCR test results available within 24 hours and antigen results in 15 minutes.