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I Tried AI for Finding Cheap Flights, but It Was a Bumpy Ride

Using AI to Save on Summer Travel
The Challenge of Flight Shopping
If you're planning a summer vacation, you've probably thought about using an artificial intelligence chatbot to help save money on flights. Hunting for flights is all part of the summer travel adventure, but it can quickly take a turn for the worse when I feel like I'm playing cat and mouse with Google's algorithm. Log out. Turn the VPN on. Use an incognito browser window. Switch between my MacBook and iPhone. These days, any strategies often fall short when you try to "trick" the algorithm so that it doesn't hike up the cost of the flight after seeing your repeated interest in that route and those dates. Google Flights is my favorite booking platform, so I wondered if I could use Google's AI, Gemini, be the new most underrated travel hack for 2025? With the price of flights these days, I sure hoped so.
Introducing Gemini
Gemini was released in March 2023 (when it was known, briefly, as Bard) and is one of the biggest AI models on the market. It's free to use if you have a Google or Workspace account with admin-enabled access to Gemini. There's also a paid version, which is $20 a month, with a two-month free trial.
The Cost of Flying
For me, an Australian who lives in the US, the cost of flying home and back is in the thousands. Any savings AI can find would make a world of difference to my bank account.
How to Use AI to Find Cheap Flights
With a dedicated Google Flights extension, I had expected Gemini to transport me to the best deals. I followed the prompts to enable extensions, but I couldn't get it to work -- even after poking around in my Google admin console all afternoon. A CNET editor was able to use this tool as expected (see screenshot below), so it's worth testing out to see if it works for you.
Discovering Alternatives
Annoyed by the lack of ease, I ran a quick search for AI tools that could save me money on plane tickets, and in my "travels" I discovered Karma, an AI coupon code extension that I could easily install. I saw Expedia on its list of affiliated brands, so I used that travel platform to search for flights. I picked dates four months away for a hypothetical trip home to Australia. The cheapest return flight was $1,443. Not bad, but Karma pinged me with a coupon. I clicked "apply coupons."
Coupon Challenges
See also: Worried About Expensive Holiday Airfare? 5 Easy Tips to Save Money on Plane Tickets
I copied the code and continued in Expedia, assuming it would automatically apply at the checkout page, but there was no area to apply a code. Turns out Karma coupons can't be applied to all Expedia purchases; maybe I could have found a way to use one somehow, but it wasn't working for this flight option. But for me, it's strike number two.
Back to Gemini, I decided to give it another shot, persevering through the setup difficulties to hopefully uncover those elusive travel deals.

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