Skip the new iPhone and grab one of the best Samsung Galaxy S25 deals of September 2025 — free phones, trade-in savings, and more

Samsung Galaxy S25 128GB: $799.99 $719.99 at Amazon

Purchase the unlocked Galaxy S25 from Amazon and you'll score a straight $80 off your purchase. That may not seem like a lot, but slap on up to $650 of trade-in credit (in the form of a gift card) and it suddenly becomes a pretty stellar deal.

Verizon: Get a FREE Samsung Galaxy S25 with eligible new line

Add a line with the Unlimited Plus, Unlimited Welcome, or Unlimited Ultimate plan and Verizon will give you enough promo credit to make the Samsung Galaxy S25 totally free.

AT&T: Get the Samsung Galaxy S25 for $10.99 per month with qualified line

Add a line with an eligible data plan and AT&T will drop the price of the Galaxy S25 to only $10.99 per month for 36 months.

Boost Mobile: Get a FREE Samsung Galaxy S25 with Infinite Access for Galaxy plan

Starting at $65/month, Boost Mobile's Infinite Access for Galaxy plan comes with unlimited talk, text, and data from three major 5G/4G LTE networks, plus you're guaranteed to receive a new Galaxy S series phone every year that one is released, including the Galaxy S25!

T-Mobile: Get a FREE Samsung Galaxy S25 with eligible data plan and/or trade-in

Add a line with the Go5G Plus or Experience More plans and T-Mobile will hook you up with enough promo credits to make the Galaxy S25 completely free! You can also get up to $800 of trade-in credit with most data plans, if those other two options aren't working for your situation.

Samsung: up to $480 off with trade-in

Buy the super-balanced Galaxy S25 Plus directly from Samsung and you'll be eligible for up to $480 of trade-in credit when you send the retailer an old or broken phone. If you don't have anything to trade in, you can skip that process altogether and score a $100 discount.

Best Buy: $100 off when you buy unlocked

Grab an unlocked Galaxy S25 Plus from Best Buy and you'll get a straight $100 discount, no strings attached. That said, there are some savings up for grabs if you choose to trade in an old or broken phone.

Amazon: $120 off when you buy unlocked

Just like Best Buy, Amazon will give you over $100 off your purchase when you buy the Galaxy S25 Plus through its site.

Verizon: Get $999.99 off with trade-in and new line

Sign up for Verizon’s Unlimited Plus or Unlimited Ultimate plan and the Big Three carrier will give you enough promo credit to make the Galaxy S25 Plus completely free.

AT&T: Get a Samsung Galaxy S25 Plus for just $12.99/month with eligible line

Add a line or upgrade with an eligible data plan and AT&T will give you the Samsung Galaxy S25 Plus for just $12.99 per month over 36 months.

Boost Mobile: Get a FREE Samsung Galaxy S25 Plus with Infinite Access for Galaxy plan ($65/month)

Just like the base model S25, Boost Mobile will hook you up with a free Galaxy S25 Plus when you sign up for the Infinite Access for Galaxy plan. You'll also get a new Galaxy every year that an S series device is released, no trade-in required.

T-Mobile: Get a FREE Galaxy S25 Plus with eligible trade-in and new line

Trade in an eligible device and add a line with T-Mobile's Go5G Next or Experience Beyond plan and you'll get a FREE Galaxy S25 Plus. Skip the trade-in and you'll still be eligible for a $800 discount from the carrier with select plans.

Samsung: up to $580 off with trade-in, $250 off without

Ready to go Ultra? Purchase the super-powerful Galaxy S25 Ultra from Samsung and you'll get up to $580 off when you trade in, plus some bundle opportunities and free streaming subscriptions. If you decide to skip the trade-in process, you'll still be eligible for a $250 discount.

Amazon: Get $250 off the unlocked Galaxy S25 Ultra

You guessed it: ordering the Samsung Galaxy S25 Ultra unlocked through Amazon will land you a straight $250 discount, no trade-in hassle or activation required. That's the biggest discount that the unlocked phone has ever received from the retailer!

Best Buy: Get $250 off the unlocked Galaxy S25 Ultra

Just like Amazon, Best Buy is offering a straight $250 off the Galaxy S25 Ultra when you buy the premium device unlocked through its site. There's also some trade-in credit up for grabs.

Verizon: $12.99/month with new line on Unlimited Ultimate plan

Verizon will give you $832.35 off the Galaxy S25 Ultra when you add a line with the Unlimited Ultimate plan. That knocks the price of the premium device down to $12.99 per month for 36 months.

AT&T: Get up to $1,000 off the Samsung Galaxy S25 Ultra with eligible trade-in and new line

AT&T might give you up to $1,000 off the Galaxy S25 Ultra if you trade in an eligible device and add a line or upgrade to a qualified data plan before the promo period ends. That could drop the price of the phone to just $8.34 per month.

Boost Mobile: Get $1,000 off the Galaxy S25 Ultra with the Infinite Access for Galaxy plan ($65/month)

Although it's not quite a free phone, buying the Galaxy S25 Ultra with the Infinite Access for Galaxy plan will hook you up with $1,000 off over 36 months, knocking the price of the premium smartphone down to $299.99.

T-Mobile: Get up to $1,000 off with eligible trade-in and data plan

Process an eligible trade-in and add a line with the Go5G Next or Experience Beyond plan and you'll score a $1,000 discount on your Galaxy S25 Ultra purchase. If you don't have an old or broken phone to trade in, simply sign up for the one of the aforementioned unlimited plans and enjoy $800 off the phone over 24 months.