What Makes a Good Event Email Subject Line?

Side by side Mobile and Desktop Inboxes Comparing the Visibility of Short and Long Event Email Subject Lines

An effective event email subject line sets expectations. It tells recipients what they’ll get when they open your message. It should also give them a reason to care, so it has to be relevant to them.

Follow these five best practices when writing subject lines for your event marketing campaigns.

1. Keep Subject Lines Short

Aim for approximately 30–50 characters as a starting point, but clarity is more important than a specific character count. With that said, longer subject lines may be cut off on mobile devices and in desktop preview panes.

2. Communicate a Specific Benefit

What’s in it for recipients if they take the time to open your message? Tell them in the subject line. For example, will they learn about discounted tickets, exciting attractions, exclusive access, or something else that’s important to them?

3. Create a Sense of Urgency

Ticket price increases, presale deadlines, and limited availability can motivate people to open a message now. When possible, include language in your subject lines that makes it clear its in recipients’ best interests to open now rather than later.

4. Make Subject Lines Relevant

The best subject lines communicate what matters to a laser-focused group of recipients. When writing your subject lines, think about what matters to different audience segments, including families, past attendees, and VIP ticket buyers.

5. Deliver What You Promise

The subject line sets expectations, and the content inside the message has to deliver on those expectations. It’s like a promise, and if you break the promise, recipients will quickly unsubscribe – or worse, mark your message as spam!

For additional guidance on planning email campaigns, read Event Email Marketing: The Complete Guide for Outdoor Events.

30 Event Email Subject Line Examples You Can Use

The following event email subject line examples are organized by campaign goal. Replace the information in brackets with details about your event, and adjust the wording to fit your audience.

Six Event Email Subject Line Categories with Examples for Announcements Early Bird Offers Urgency Highlights Reminders and Past Attendees

Event Announcement Subject Lines

Event announcements should communicate what’s happening and generate interest. Use these subject lines when you introduce a new event, announce event dates, or launch ticket sales.

  1. It’s Official! [Event Name] Is Coming to [City]
  2. Mark Your Calendar for [Event Name]
  3. Your First Look at [Event Name]
  4. The [Event Type] You’ve Been Waiting For
  5. Get Ready for [Event Name] on [Date]

Tip: If you’re promoting an annual event, consider highlighting something new about the upcoming event. A familiar event with an exciting addition can give previous attendees a new reason to open the message and purchase tickets.

Early Bird Ticket Subject Lines

Early bird promotions encourage people to buy tickets early, which helps you plan and organize. Your subject lines should communicate a financial benefit or special access benefit available to early buyers.

  1. Early Bird Tickets Are Now Available
  2. Save on [Event Name] Tickets Through [Date]
  3. Your Early Access to [Event Name] Starts Now
  4. Don’t Miss Early Bird Pricing for [Event Name]
  5. [Event Name] Tickets Start at [Price]

Tip: Quantify savings to make your offer more appealing. If early buyers save $15 per ticket, include that amount in your subject line.

Last-Chance and Urgency Subject Lines

A sense of urgency can motivate interested subscribers who haven’t purchased tickets yet. These subject lines are very effective to use in campaigns sent before price increases, ticket sale deadlines, and sold-out ticket tiers.

  1. Last Day to Save on [Event Name] Tickets
  2. [Event Name] Is Almost Here
  3. Final Hours for [Discount] Tickets
  4. Only [Number] Tickets Remaining for [Event Name]
  5. Ticket Prices Increase Tomorrow

Tip: Don’t create artificial urgency. Misleading messages can damage audience trust and make future promotions less effective.

Event Highlight and Experience Subject Lines

Potential buyers usually need more information before deciding to attend, so subject lines featuring performers, attractions, activities, and experiences can help people imagine themselves at the event.

  1. See Who’s Performing at [Event Name]
  2. 5 Reasons to Attend [Event Name]
  3. Your First Look at This Year’s [Event Name] Lineup
  4. Here’s What’s New at [Event Name]
  5. Explore the Attractions at [Event Name]

Tip: Use audience segmentation to match the right highlights to audience interests. Families attending a festival may respond to children’s activities, while adults without children might respond better to performer details.

Three Personalized Event Email Subject Lines Targeting Families Music Fans and Returning Attendees

Event Reminder Subject Lines

As your event approaches, reminders help interested subscribers make plans and purchase decisions.

  1. [Event Name] Is Just One Week Away
  2. Still Planning Your Weekend?
  3. Your Weekend Plans Could Include [Event Name]
  4. There’s Still Time to Get Your Tickets
  5. [Event Name] Starts Tomorrow

Tip: Send ticket purchase reminders to subscribers who haven’t bought tickets. Existing buyers should receive useful information about upgrades, add-ons, schedules, parking, arrival times, and other event details.

Two Event Reminder Email Previews Showing a Ticket Purchase Reminder for Prospects and Parking Information for Existing Ticket Buyers

Past Attendee and Repeat Buyer Subject Lines

Acknowledge past attendees and repeat buyers with subject lines that make them feel valued and special.

  1. We’d Love to See You Again at [Event Name]
  2. [Event Name] Returns on [Date]
  3. Your Favorite [Event Type] Is Back
  4. Tickets Are Available for This Year’s [Event Name]
  5. Remember Last Year’s [Event Name]?

Tip: Consider offering returning attendees early access to tickets and discounts or share new improvements based on feedback from previous events.

Avoid Email Subject Line Spam Triggers

There are several things you should avoid in your event email subject lines to ensure your messages don’t end up in recipients’ spam or junk folders. Here are some of the most important spam triggers you should keep out of your subject lines:

  • All caps
  • Excessive punctuation
  • Spelling and grammar mistakes
  • Emojis and special characters
  • Overusing spam terms like free or guaranteed
  • Including “Re” or “Fwd” at the beginning of the subject line when the message is not actually a reply or forward

In addition, your email subject lines should never be misleading or deceptive. Not only is this a spam trigger, but it’s also a violation of the CAN-SPAM Act. Your subject lines should always accurately reflect the content inside the message to stay out of spam and legal trouble.

Infographic Identifying Six Event Email Subject Line Mistakes Including All Caps Excessive Punctuation and Misleading Claims

Frequently Asked Questions About Event Email Subject Lines

What is a good subject line for an event email?

A good event email subject line clearly communicates the event and a benefit for recipients (i.e., a reason to open the message). For example, “Save $10 on [Event Name] Tickets Through Friday” gives recipients specific information that can affect their purchasing decision.

How long should an event email subject line be?

Approximately 30–50 characters is a useful starting point, but there’s no universally ideal length. Keep the most important information near the beginning and check how your subject line appears on mobile devices.

Do personalized email subject lines get more opens?

Yes. Personalized subject lines can improve engagement when they’re based on accurate audience information because people are more likely to open a message that is relevant to them than one that is not.