If you buy your ticket and find a lower price later in the day, many airlines will give you a refund. Learn how to get that money back, and take a look at some of the major airlines’ “lowest fare” guarantees.

Have you ever thought twice about purchasing an airline ticket — fretting the price might go down later that same day?

Rick Seaney, the Chief Traveler Advocate at FareCompare.com, decided to put all the airlines same day cheapest airline ticket guarantees to the ultimate test a side-by-side bake off. The complete bake off results can be reviewed by clicking this link. Read on to see if Delta can compete with other major carriers.

Have you ever thought twice about purchasing an airline ticket — fretting the price might go down later that same day?

Rick Seaney, the Chief Traveler Advocate at FareCompare.com, decided to put all the airlines same day cheapest airline ticket guarantees to the ultimate test a side-by-side bake off. The complete bake off results can be reviewed by clicking this link. Keep reading to see how United measures up to the competition.

Have you ever thought twice about purchasing an airline ticket — fretting the price might go down later that same day?

Rick Seaney, the Chief Traveler Advocate at FareCompare.com, decided to put all the airlines same day cheapest airline ticket guarantees to the ultimate test a side-by-side bake off. The complete bake off results can be reviewed by clicking this link. Continue reading to see how Northwest stacks up against the rest of the competition.

Have you ever thought twice about purchasing an airline ticket — fretting the price might go down later that same day?

Rick Seaney, the Chief Traveler Advocate at FareCompare.com, decided to put all the airlines same day cheapest airline ticket guarantees to the ultimate test a side-by-side bake off. The complete bake off results can be reviewed by clicking this link. Keep reading to see how Continental performed.

Have you ever thought twice about purchasing an airline ticket — fretting the price might go down later that same day?

Rick Seaney, the Chief Traveler Advocate at FareCompare.com, decided to put all the airlines same day cheapest airline ticket guarantees to the ultimate test a side-by-side bake off. The complete bake off results can be reviewed by clicking this link. Read on, if you want to see how American Airlines performed.