When Is Open Enrollment for Health Insurance 2027? Circle These Dates.
November 1, 2026 is the day the window opens — and January 15, 2027 is the day it closes in most states. Here are the exact 2027 dates, the December 15 deadline that decides whether you're covered on New Year's Day, and how long you really have to act.
Get My Free 2027 Quote ↓When Is Open Enrollment for Health Insurance 2027?
If you're asking when is open enrollment for health insurance 2027, here it is: the window runs November 1, 2026 through January 15, 2027 on HealthCare.gov and in most states. It's the one time each year anyone can enroll in, switch, or update a marketplace plan — no qualifying life event required. Miss it, and you're generally locked out until a life event opens a special window.
The date inside the window matters just as much as the window itself: enroll by December 15, 2026 and your plan starts January 1, 2027; enroll after that and you wait until February 1. Our full 2027 Open Enrollment guide walks through what to do once the window opens — this page nails down the when. Completely new to the marketplace? Start with our plain-English open enrollment starter guide.
FreedInsure LLC (NPN: 20230457) is an independent brokerage licensed in 42 states. We compare marketplace plans, calculate your exact 2027 tax credit, and handle the enrollment — 100% free, because carriers pay us, not you. Call (844) 788-3733.
Quick answer: Open enrollment for health insurance 2027 runs November 1, 2026 through January 15, 2027 on HealthCare.gov and in most states. Enroll by December 15, 2026 and coverage starts January 1, 2027; enroll December 16 through January 15 and coverage starts February 1, 2027. A few state-run exchanges set their own deadlines, so check your state's marketplace.
When Does Health Insurance Open Enrollment Start and End?
It starts November 1, 2026 and ends January 15, 2027 in most states. Those are the bookends — but the date that actually decides when your coverage begins sits in the middle: December 15. Here's the whole calendar in one place.
| Date | What Happens | When Coverage Starts |
|---|---|---|
| November 1, 2026 | Open Enrollment begins — 2027 plans and prices go live on HealthCare.gov | Enroll now → January 1, 2027 |
| December 15, 2026 | Deadline to have coverage in place on New Year's Day | January 1, 2027 |
| December 16 – January 15 | You can still enroll — but you've missed the January start | February 1, 2027 |
| January 15, 2027 | Open Enrollment closes in most states | After this, you need a qualifying life event |
| October 15 – December 7, 2026 | Medicare Annual Enrollment — a separate system for a different program | Not part of ACA Open Enrollment |
Read that middle row twice: enrolling on December 16 instead of December 14 costs you a full month of coverage. A January 1 hospital visit, prescription refill, or specialist appointment lands entirely on you until February. It's the most avoidable gap in health insurance — two weeks of procrastination, one month uninsured.
One hedge worth knowing: most states use HealthCare.gov and follow these exact dates, but a few state-run exchanges set their own deadlines — some longer, some different. If your state runs its own marketplace, confirm its calendar before you count on January 15. And if you've already missed the window entirely, a qualifying life event — a move, a marriage, losing job coverage — can reopen enrollment for 60 days; our Special Enrollment Period guide explains exactly how.
How Long Is Open Enrollment for Health Insurance?
76 days — about eleven weeks, from November 1, 2026 through January 15, 2027, on HealthCare.gov. That sounds like plenty of time, and every year it somehow isn't. The strongest position is enrolling inside the first six weeks, before the December 15 cutoff, while every start-date option is still on the table.
📅 November 1, 2026
The window opens. Every 2027 plan and price in your county is published. Early shoppers get first look — and the full menu of start dates.
✅ By December 15, 2026
The deadline that matters most. Enroll by tonight's end on the 15th and you're covered January 1, 2027 — no gap, no waiting.
⏰ December 16 – January 15
The late window. You can still enroll, but coverage now starts February 1, 2027 — a one-month gap versus December enrollees.
⏳ After January 15, 2027
The window closes in most states. From here on, only a qualifying life event opens a 60-day Special Enrollment Period.
Why enroll early instead of racing the buzzer? Because the deadline crunch is real: call volumes spike in mid-December, income-verification paperwork can take days to resolve, and a typo on a December 15 application doesn't leave room to fix anything. Start in November and you have six unhurried weeks to compare plans against your doctors and prescriptions — and a licensed advisor at (844) 788-3733 can compress that comparison into one 15-minute call.
Why the 2027 Deadlines Carry More Weight Than Last Year's
Because the money changed. The enhanced premium tax credits that boosted subsidies from 2021 through 2025 are gone and not back for 2027 under current law, unless Congress acts. Subsidies are smaller than they were in 2025, and the 400% FPL cliff is back — earn $1 over the limit and your credit is $0.
For 2027 coverage, premium tax credits apply to household incomes between 100% and 400% of the federal poverty level — $15,960 to $63,840 for a single person, roughly $33,000 to $132,000 for a family of four. Within that range you're expected to contribute 2.15% to 10.22% of income toward the benchmark Silver plan, sliding by income. Below about 250% FPL, Cost-Sharing Reduction Silver plans shrink your deductible too; below about 138% FPL in expansion states, Medicaid may cover you instead. Get your exact number checked at see if you qualify, or brush up on how ACA marketplace plans are built.
Straight talk — the auto-renewal trap: if you do nothing by January 15, most marketplace enrollees get auto-re-enrolled in the same or a similar plan. That used to be harmless. For 2027 it isn't: with credits smaller and premiums changing, last year's plan at last year's assumptions can quietly become this year's overpay — and with the cliff back, an unverified income estimate can zero out your credit entirely. Never let a plan auto-renew without a 15-minute re-shop. Ours is free: (844) 788-3733.
Is Medicare Open Enrollment the Same Thing?
No — it's a completely different system with its own calendar. Medicare Annual Enrollment runs October 15 – December 7, 2026, and it's for people on Medicare, generally 65 and older. ACA Open Enrollment — November 1 through January 15 — covers under-65 marketplace plans. The two windows overlap in November, which is exactly why so many people mix them up.
If you're Medicare-eligible, your official resources are medicare.gov and 1-800-MEDICARE — FreedInsure's marketplace team serves the under-65 market, and we'd rather point you to the right door than pretend both calendars are ours. Still sorting out which system applies to your household? Our ACA vs. Medicare enrollment breakdown untangles the two, date by date.
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