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105+ Best upsell email subject lines

Boosting your bottom line and making customers happier can be as simple as trying upselling. Some entrepreneurs overlook this sales opportunity, focusing only on promotions and holiday campaigns. Selling to existing customers is easier and more effective than chasing new prospects.

Make the most of it with these upsell email subject lines to get started:

Table of Contents

Best upsell email subject lines that induce curiosity Upsell email subject lines that create FOMO Good upsell email subject lines that communicate value Upsell email subject lines for exclusive offers Creative upsell email subject lines Upsell email subject lines for limited-time offers Upsell email subject lines for personalized recommendations Upsell email subject lines for special occasions Upsell email subject lines for new features

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 – Open now!

You won't believe what's inside this email!

Ready for a pleasant surprise? Click here!

The secret to [First Name]’s success inside

What awaits you is a spectacular offer!

Find out what's new and exciting today!

Uncover exclusive [Brand] perks inside now!

Guess what's inside... You’ll love it!

The best is yet to come from [Brand] today!

Unlock [Brand]'s hidden gems inside now!

Your [Brand] bonus is inside this email!

Inside: [Brand] awesomeness awaits you!

Open for a [Brand] surprise today – Wow!

Get ready for a treat from [Brand] today!

This will change how you do things forever!

Related subject lines:

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

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

Your secret upgrade awaits you inside!

[Product] lovers, this one's for you today!

Seize the moment, [First Name] – Hurry now!

Uncover hidden treasures now – Limited time!

[Brand]'s best-kept secret revealed now!

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

Exclusive access, don't miss out today!

Ready for something extraordinary? Open now!

[Brand] insiders, this is it – Act now!

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

Your exclusive [Product] experience awaits!

Be part of something amazing now today!

Ready for a premium experience today? Open!

NOW is the best and only chance – Hurry now!

Good upsell email subject lines that communicate value

Communicating value is one of the most effective ways to get your subject line clicked on. 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] – Upgrade now!

Get ahead with [Benefit] starting today!

Turn heads with [Product] upgrade offer!

Experience [Benefit] like never before now!

Elevate your style game, [First Name], today!

Unlock the power of [Benefit] now inside!

Upgrade to [Brand]'s finest – Act now today!

[First Name], your VIP access awaits you now!

Get more, achieve more with [Brand] today!

Your [Benefit] upgrade is ready now today!

Discover [Product] perfection at [Brand] today!

Upgrade to [Brand]'s secret weapon now!

Elevate your [Benefit] potential today now!

Maximize your [Benefit] rewards today now!

Upgrade your life with [Product] today!

Upsell email subject lines for exclusive offers

Unlock a world of possibilities with these enticing subject lines tailored to elevate your upsell email campaigns:

Exclusive offer: Unlock [Product] now!

Limited time only: Upgrade to [Brand]'s VIP

VIP access: Elevate your experience with [Product]

Secret deal just for you, [First Name]

Don't miss out: Exclusive offer on [Product] awaits!

Your VIP upgrade is here: [Brand]'s special offer

VIPs only: [Brand]'s exclusive offer just for you

Limited availability: Upgrade to [Product] now!

Elevate your experience: Exclusive offer on [Brand]

Last chance: Unlock premium features with [Product]

Creative upsell email subject lines

Step into a world of luxury and exclusive benefits with these creative subject lines designed to captivate your audience and drive upsell conversions:

Elevate your experience: Upgrade to [Brand] Gold

Upgrade now, thank us later: [Product] awaits!

VIP treatment: Unlock exclusive features with [Brand]

Boost your success: Upgrade to [Product] Pro

Elevate your style: [Brand]’s new collection awaits!

Exclusive upgrade offer: Experience [Product] like never before

Upgrade your game: [Brand]’s latest version is now available

Exclusive access: Elevate your experience with [Product]

Experience luxury: Upgrade to [Brand] Platinum

Unlock premium perks: Upgrade to [Product] Plus

Upsell email subject lines for limited-time offers

Act fast and seize the opportunity with these urgent subject lines tailored for your limited-time upsell offers:

Hurry! Limited-time offer on [Product] awaits

Exclusive deal ends soon: Upgrade to [Brand] Premium

Last chance: Elevate your experience with [Product] Plus

Don't miss out: Limited-time offer on [Brand] Platinum

Act now: Special upgrade offer for [Product] Elite

Limited availability: Unlock premium features with [Brand]

Time is running out: Upgrade to [Product] VIP today

Grab it now: Exclusive offer on [Brand] Deluxe

Final call: Upgrade to [Product] Pro before it's gone

Upgrade today: Limited-time offer on [Brand] Signature

Upsell email subject lines for personalized recommendations

Discover the perfect match for your needs with these personalized subject lines, crafted to entice your customers with tailored upsell recommendations:

Perfect match: Upgrade to [Product] tailored for you

Your exclusive upgrade: [Brand] recommends [Product] Pro

Get more with [Brand]: Personalized upgrade for you

Unlock custom features: [Product] upgrade just for you

Your VIP experience: [Brand] recommends [Product] Premium

Elevate your game: Personalized upgrade offer from [Brand]

Experience luxury: [Product] upgrade tailored to your needs

Upgrade now: Customized offer for [Brand] loyal customers

Your exclusive deal: Upgrade to [Product] Elite today

Personalized upgrade: Unlock premium features with [Brand]

Upsell email subject lines for special occasions

Celebrate the moment with these special occasion subject lines, designed to make your customers feel valued and excited about upgrading:

Celebrate with us: Upgrade to [Product] Anniversary Edition

Birthday surprise: Exclusive offer on [Brand] Gold

Special occasion offer: Elevate your experience with [Product]

Limited edition upgrade: Celebrate with [Brand]

Anniversary upgrade: Unlock premium perks with [Product]

Birthday treat: Upgrade to [Brand] VIP today

Celebrate in style: Exclusive offer on [Product] Platinum

Special event offer: Upgrade to [Brand] Deluxe

Anniversary sale: Elevate your experience with [Product]

Birthday upgrade: Unlock premium features with [Brand]

Upsell email subject lines for new features

Stay ahead of the curve with these enticing subject lines, introducing your customers to the latest features and upgrades:

Upgrade now: Introducing [Product] Version X.0

Discover what's new: Upgrade to [Brand] Pro

Be the first: Experience [Product] latest features

Elevate your experience: Introducing [Brand] Upgrade X

Upgrade today: Unlock exclusive features with [Product]

Experience innovation: Introducing [Brand] Version X

New and improved: Upgrade to [Product] Premium

Elevate your game: Discover [Brand] latest upgrade

Get more done: Introducing [Product] Version X.0

Upgrade now: Explore [Brand] newest features

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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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*Source:

https://www.sender.net/blog/email-marketing-statistics/