Want to cast a spell on your subscribers this Halloween? Steal these Halloween subject lines to boost opens, drive clicks, and charm your audience.
Struggling to stand out in a packed inbox? Halloween is the perfect time to get playful with your email marketing — but if your subject line falls flat, your message might end up six feet under (in the Promotions tab).
So whether you’re announcing a spooky sale, teasing a limited-time drop, or just getting festive with your content, we’ve conjured up a list of spooktacular subject lines to help you boost your open rates.
And to top it off, we’ve included proven tips (and free tools) to help you write hauntingly effective subject lines that spark curiosity, drive clicks, and make your Halloween campaign a real treat.
Sounds good? Then let’s dive in.
111 Scary-Good Halloween Email Subject Lines
Ready to cast a spell on your subscribers? These Halloween-themed subject lines are designed to grab attention, spark curiosity, and drive clicks — whether you’re running a promo, announcing a spooky event, or just getting festive.
For Halloween Sales and Discounts
- 🎃 Spooktacular savings inside!
- 20% off everything – no tricks, just treats!
- Get it before it vanishes… 👻
- The witching hour sale starts now!
- This deal is so good… it’s scary
- Creepin’ it real with epic deals
- Don’t be haunted by missed deals
- 💀 Dead serious discounts inside
- Save like a monster — up to 50% off!
- No tricks. Just 30% off treats.
- Our halloween sale is brewing…
- Open if you dare: killer deals inside
- Only the bold open this email 🦇
- Enter… for frightfully low prices
- Our halloween deals are to die for
- Ghouls just wanna have funds (and deals)
- You won’t believe these eerie-sistible offers
- Prices so low, it’s almost black magic 🧙♀️
- Our scariest prices of the year
- These deals won’t come back from the dead…
For Product Launches and Limited-Time Offers
- Something wicked (and new) this way comes
- 🧙♀️ New drop just landed — and it’s magic
- Meet the product causing a scare…
- 🎃 Limited-edition alert! Grab it before it’s gone
- Frightfully fresh.
- Boo! [Product] is here
- Only here for a frightfully short time
- Too good to last beyond Halloween
- It’s alive! (our new [Product], that is)
- You’ve never seen anything like this 👻
- New and creepy-cool — see what just dropped
- Ready to meet your new favorite fright?
- Our spookiest drop yet
- Don’t sleep on this monster launch!
- Drop alert: it’s freakin’ fabulous
- Vanishing soon… like ghosts 👻
- Your Halloween must-have just arrived
- A Halloween surprise you’ll love
- The magic just got real
- Get your hands on this before it vanishes!
For Event Invitations and Parties
- You’re invited to the monster bash 🎉
- RSVP… before the spirits do!
- A party to die for 🕸️
- Join us if you dare 👀
- Things are getting spooky this friday!
- Your spooky +1 is waiting…
- Ghosts, ghouls, and you — don’t miss it!
- This invite might disappear at midnight 🎃
- The haunting begins at 8 pm
- It’s not a trick — you’re invited!
- Spells, snacks, and surprises await!
- Bring your broomstick — it’s party time!
- Who said ghouls can’t have fun?
- Don’t ghost us — RSVP now 👻
- We’re dying to see your costume 🧛♂️
- Witches welcome. Mortals too.
- Don’t miss the fang-tastic fun 🦇
- The spook show begins
- Dance with the undead this weekend
- It’s gonna be a thriller night
For Abandoned Cart Reminders
- 👻 Did Your Cart Get Haunted?
- Don’t Let These Deals Ghost You!
- You Left These in Your Coffin (Uh, Cart)
- Psst… Your Treats Are Still Waiting
- BOO! You Forgot Something!
- You Left Without Your Candy 🍬
- Your Cart Misses You (and So Do We)
- Scary How Close You Were…
- Still Thinking About That One Item?
- Finish Your Order Before It Disappears!
- Abandoned… Like a Haunted House 😢
- Last Chance Before Your Cart Turns into a Pumpkin 🎃
- The Spirits Say: Check Out Now
- Don’t Be a Ghoul — Grab Your Gear!
- These Items Are Dying to Be Yours
- Frighteningly Good Stuff Still in Your Cart
- Did a Black Cat Cross Your Path?
- It’s Not Too Late… Yet
- You Were So Close to Magic
- Boo Back and Complete Your Order!
For Newsletter and Content Emails
- The haunted edition has arrived 👻
- 7 halloween tricks (and a few treats)
- This week’s eerily good read 🧠
- What’s brewing in this week’s newsletter?
- Your weekly dose of spook & sparkle ✨
- Our staff’s favorite scary movies 🍿
- Don’t read this alone, [Firstname]
- This halloween hack is a game-changer
- How to make your inbox boo-tiful
- Here’s something to sink your fangs into
- Ghostwritten just for you
- A frightfully fun update just for you
- Witchy tips you’ll want to steal
- Halloween diys you’ll love
- The dark side of [Topic] revealed
- Don’t be scared — it’s just our newsletter!
- No tricks here. Just value.
- One potion, two tips, and a ghostly surprise
- This one’s got bite
- Don’t scream — it’s just our latest blog
For Last-Minute Halloween Deals
- Final hours to save BIG 🎃
- Only a few hours left to treat yourself
- These Halloween deals disappear at Midnight!
- 🕛 Time’s almost up! Snag these spooky savings
- Don’t let these deals haunt you later
- Hurry! Final day for spooky savings
- The spells wear off at Midnight…
- Your last shot at spooktacular savings
- It’s not too late to treat yourself
- Ending soon: our scariest prices ever
- This Halloween deal won’t rise from the grave
How to Write a Hauntingly Good Halloween Email Subject Line
Your subject line is your first (and sometimes only) shot at grabbing attention. If it doesn’t stop the scroll, your email might stay buried — unopened and unseen. Want to avoid the graveyard? Here’s how to craft a killer Halloween subject line.
Keep It Short and Snappy
Most people skim their inboxes on mobile. That means you’ve got 30–50 characters to make your message count. Aim for short, punchy subject lines that get straight to the point — no filler, no fluff.
Use Curiosity and Intrigue
Piquing curiosity is one of the oldest tricks in the marketing book — and it still works like a charm. Ask a question. Tease a surprise. Create a little mystery. Just make sure it’s relevant to what’s inside the email.
Want to know if your subject line is too spooky, too vague, or just right? Run it through our free Subject Line Tester for instant, AI-powered feedback and tips to boost your open rates.
Add a Sense of Urgency
Halloween is a limited-time moment. Use urgency to encourage quick action — especially if you’re running a flash sale, exclusive offer, or event. Phrases like “Last chance”, “Final hours”, or “Before it disappears” can help drive clicks. But be careful not to overdo it. False urgency can backfire.
Make It Personal
Personalized subject lines get results — especially around Halloween. Adding a name or referencing past behavior can make your email feel more relevant, timely, and human. In fact, emails with personalized subject lines are 22% more likely to be opened.
With Mailmeteor, you can easily personalize subject lines at scale using variables like first name, company, or location — all directly from Gmail. It’s a simple (and powerful) way to boost engagement and turn cold leads into loyal customers.
Sprinkle Emojis (but Don’t Overdo It)
Emojis can add personality, make your email pop, and signal seasonality at a glance. But like garlic to a vampire — too much can be a turnoff. Stick to 1 or 2 emojis that enhance (not distract from) your message.
Avoid Spam Triggers
No matter how clever or festive your subject line is, it won’t help if it lands in the spam folder. Certain words (like “free,” “guaranteed,” or “limited time”) can set off spam filters — especially when paired with excessive punctuation or ALL CAPS.
To stay on the safe side, run your email through a free tool like Mailmeteor’s Spam Checker before hitting send. It analyzes your message for common spam words and helps you improve deliverability.
Test and Optimize
Even the best-written subject line won’t work for everyone. That’s why it’s smart to A/B test different versions. Try swapping one word, changing the tone, or tweaking the emoji — and see what resonates.
Track your open rates, learn what works for your audience, and refine your approach for the next campaign. With Mailmeteor’s tracking, you can see exactly which subject lines perform best — and use those insights to improve future sends.
Conclusion
Halloween isn’t just for kids — it’s a prime marketing opportunity for companies of all sizes. With 69% of Americans celebrating, your audience is already in a festive (and spending) mood.
A killer subject line can help your Halloween email campaign stand out in crowded inboxes, boost open rates, and turn curiosity into clicks.
So take inspiration from the examples above, mix in your brand’s voice, and don’t be afraid to get a little spooky. Because when it comes to Halloween email marketing, the scariest thing… is being ignored. 👻
Want to bring your campaign to life? With Mailmeteor, you can personalize your Halloween emails at scale, automate follow-ups, and track opens and clicks directly from your Gmail inbox. No tricks. Just powerful email tools.
FAQs
What makes a good Halloween email subject line?
A good Halloween subject line grabs attention, creates curiosity, and matches the tone of your brand. The best ones include seasonal language, playful puns, or a spooky twist — while still making the email’s purpose clear. Bonus points if you add urgency or personalize it with the recipient’s name.
How long should a Halloween email subject line be?
Aim for 30–50 characters. Short subject lines tend to perform better on mobile and help your message stand out quickly. Keep the most important words at the beginning to make sure they don’t get cut off in the inbox preview.
When should I send my Halloween email campaign?
Start teasing Halloween offers 1–2 weeks before October 31st, with your biggest push in the 2–3 days leading up to the holiday. Last-minute reminders on October 30–31 can also perform well — especially if they highlight limited-time deals.
Do scary or funny subject lines perform better?
Both can work! Scary subject lines add intrigue, while funny ones create a memorable, feel-good experience. The best-performing lines usually match your audience’s tone and expectations. Test both styles and see what resonates with your list.
Should I use emojis in Halloween subject lines?
Yes — in moderation. Emojis like 🎃👻🕸️ can boost open rates by making your email pop in the inbox. Just make sure they align with your message, and don’t overuse them (1–2 max). Always test across devices to ensure they display properly.
