https://skyairbus.com/blog/how....-do-i-upgrade-my-bri
How do I upgrade my British Airways flight?
To upgrade the flight ticket, read the information on "How do I upgrade my British Airways flight" and then take the actions listed below. If you need any assistance, you may also reach the British Airways customer support assistant by phone at +1-800-971-7347 (OTA) or +1-800-247-9297.
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