One of the most common questions when planning an Instagram giveaway is how long it should stay open.
Run it too briefly and it may not reach enough people; drag it out longer than necessary and the campaign starts to lose its momentum.
So how long should an Instagram giveaway run?
For most Instagram giveaways, 5 to 7 days is a solid starting range. But the ideal length depends on the value of the prize, the size of your audience, the goal of the campaign and the time of year you're running it.
1–3 Day Instagram Giveaways
Short giveaways are a good fit for accounts looking to create a quick burst of engagement. If you already have an active follower base, or you're building a giveaway around a specific date, a couple of days can be plenty.
For a product launch, a weekend promotion or a special-occasion campaign, for example, keeping the giveaway open for 2–3 days can work well.
4–7 Day Instagram Giveaways
For a lot of brands, a 4–7 day window gives the giveaway enough time to get noticed while still feeling current. Within that period you can reshare the giveaway post to Stories, remind people of the final entry day, and support the campaign with additional content.
According to Simpliers data, 48.8% of the giveaways drawn in 2025 received more than 1,000 entries. But entry numbers aren't driven by duration alone. The prize, the entry requirements, the account's audience and how far the campaign spreads all play a major role in the outcome.
When Does a 7–14 Day Giveaway Make Sense?
For bigger prizes, brand collaborations or campaigns built to reach a wide audience, you can push past the 7-day mark.
Just keep in mind that the longer a giveaway runs, the more important it becomes to resurface it with follow-up content. Otherwise the interest built up in the first few days tends to fade.
A Detail That Matters More Than Duration: The End Date
When your Instagram giveaway ends matters just as much as how long it runs.
On Simpliers Giveaway Trends, a giveaway is recorded on the day the winners are drawn, not the day the campaign started. So the busy dates you see in the trends data actually reflect the days giveaways were finalized.
👉🏻 You can explore current activity by country and platform on the Simpliers Giveaway Trends page, or view Instagram-only data on the Simpliers Instagram Giveaway Trends page.
Which Day Should Your Giveaway End On?
The day of the week is worth factoring into your planning too. Based on Simpliers' all-platform data from giveaways drawn in 2025, Instagram giveaways drawn on a Monday receive 17% more entries than those drawn on a Saturday.
💡 On its own, that doesn't mean every giveaway has to end on a Monday. But it's a useful signal to weigh when you're setting your start and end dates.
A Practical Plan for Your Instagram Giveaway
Putting it all together, here's a plan you can follow:
- Go with 3–5 days for a short, fast campaign. Start on a Wednesday or Thursday, for instance, and draw on Monday.
- Allow around 7 days for a standard campaign. A full week gives you enough room for both announcement and reminder content.
- Choose your end date strategically. Remember that giveaway volume spikes around special occasions.
- Send reminders during longer giveaways. Use Stories and extra content to put the campaign back in front of people.
- Always state the closing time. Instead of "ends October 10," be specific: "ends October 10 at 8:00 PM."
💡 That last point may look like a small detail, but it matters for the clarity of your entry rules. Without a stated time, people can end up unsure whether comments posted on the final day still count.
To land on the right duration, don't look only at the question "how many days should it stay open?" weigh the prize, the audience, the entry requirements, the season and the end date together.
✅ Once you've settled on the timing, the next step is drawing your winners safely: you can run your Instagram giveaway with Simpliers for free.
👉🏻 Click here to read our guide on creating an Instagram giveaway post!
