https://www.devex.com/people/you-a-full-refund-2338758

https://www.devex.com/people/faq-guide-does-united-respond-to-complaints-2338751

https://www.yelp.com/biz_photos/british-airways-san-francisco-3?select=F39nSlwDHDLgGsIYtWvXNA&utm_campaign=www_photo_share_popup&utm_medium=copy_link&utm_source=(direct)

https://www.devex.com/people/faqs-refund-quarry-does-expedia-have-free-cancellation-2338752

https://www.yelp.com/biz_photos/british-airways-san-francisco-3?select=JkrTj-DARW_AmgnAzdEZEA&utm_campaign=www_photo_share_popup&utm_medium=copy_link&utm_source=(direct)

https://www.devex.com/people/hassle-free-changes-does-qatar-airways-have-a-cancellation-policy-2338741

https://www.devex.com/people/what-is-the-cancellation-policy-of-iberia-2338719

https://www.devex.com/people/hassle-free-changes-does-qatar-airways-have-a-cancellation-policy-2338741

https://www.yelp.com/biz/singapore-airlines-san-francisco-7?hrid=7TWLVbilsQ3AlcDUASqrFA&utm_campaign=www_review_share_postreview&utm_medium=copy_link&utm_source=(direct)

https://www.devex.com/people/what-is-the-expedia-cancellation-plan-is-expedia-actually-fully-refundable-2338730