40+ Best upsell email subject lines

Boosting your bottom line and making your customers happier can be as simple as giving upselling a shot. Surprisingly, some entrepreneurs miss out on this fantastic sales opportunity because they focus on promotional emails and holiday campaigns. But guess what? You've got a golden chance to make more money effortlessly.

Selling to your existing customers is a breeze and won't break the bank. It's more effective than chasing after new prospects. So, why not make the most of it?

Here you'll find upsell email subject lines to help you get started:

Best upsell email subject lines that induce curiosity

People are curious beings, so crafting an intriguing subject line is the truest open rates cheat code. Don’t believe in us?

Try one of our curious subject lines for your upsell campaign and see how it works:

Discover something amazing today

You won't believe what's inside!

Ready for a pleasant surprise?

The secret to [First Name] ’s success

What awaits you is a spectacular

Find out what's new and exciting

Uncover exclusive [Brand] perks

Guess what's inside...

The best is yet to come

Unlock [Brand]'s hidden gems

Your [Brand] bonus inside

Inside: [Brand] awesomeness

Open for a [Brand] surprise

Get ready for a treat!

This will change how you do things

Upsell email subject lines that create FOMO

Fear of Missing Out (FOMO) is a powerful strategy for encouraging your audience to see what you say. However, create a sense of urgency or scarcity precariously – if the subscribers realize it's artificial, it'll have the opposite effect.

Here are FOMO-inducing subject lines to accompany your upsell email campaigns:

Blink, and you'll miss it, [First Name]!

Your secret upgrade awaits

[Product] lovers, this one's for you

Seize the moment, [First Name]!

Uncover hidden treasures now

[Brand]'s best-kept secret revealed

[First Name], it's time to level up!

Exclusive access, don't miss out

Ready for something extraordinary?

[Brand] insiders, this is it!

Don't let this slip away, [First Name]

Your exclusive [Product] experience

Be part of something amazing

Ready for a premium experience?

NOW is the best and only chance

Good upsell email subject lines that communicate value

Communicating value is one of the most effective ways to get your subject line clicked on. After all, the first question people ask was and always will be, “What’s in it for me?”

Don’t worry if you’re not quite sure how to do it. These subject lines are here to help you:

Unlock more with [Brand]

Get ahead with [Benefit] now

Turn heads with [Product] upgrade

Experience [Benefit] like never before

Elevate your style game, [First Name]

Unlock the power of [Benefit]

Upgrade to [Brand]'s finest

[First Name], your VIP access awaits

Get more, achieve more with [Brand]

Your [Benefit] upgrade is ready

Discover [Product] perfection at [Brand]

Upgrade to [Brand]'s secret weapon

Elevate your [Benefit] potential

Maximize your [Benefit] rewards

Upgrade your life with [Product]

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Open Sesame: Subject lines to get your emails read

Your perfect email won't matter if it won't be opened. Want some inspiration? Check these robust subject lines, designed for maximum opens of your promotional emails.
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Hero illustration

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