Cheapest ACA plans in Washington for 2026

Cheapest plans by metal tier

Lowest 2026 monthly premium for a single 40-year-old non-tobacco user, on-exchange, before any subsidy. Per-age figures derived from the CMS QHP Landscape file using the HHS standardized age-rating curve (45 CFR 147.102).

The actual cheapest plan in major counties

Same data the search returns: carrier, plan name, monthly premium, individual deductible, individual MOOP. Computed for a single 40-year-old non-tobacco user, before any subsidy. Catastrophic plans excluded because adults 30+ typically need a hardship-exemption certificate to enroll.

The actual cheapest plan for a family of four

Two 40-year-old adults and two kids in the 0-14 age band, before any subsidy. Carrier, plan name, premium, deductible, and MOOP exactly as the search would return them.

Subsidies stack: federal APTC + Cascade Care Savings

Two subsidy layers apply on top of Washington's standardized-plan design:

1. Federal Advance Premium Tax Credit (APTC). Households 100-400% FPL. Standard ACA contribution curve with a hard 400% FPL cliff. The ARPA / IRA enhanced subsidies expired 2025-12-31 and are not in effect for 2026.
2. Cascade Care Savings (state subsidy). Households at or below 250% FPL enrolled in a Cascade Care Silver or Gold plan get an extra $55 per member per month on top of APTC. Income-eligible but APTC-ineligible enrollees (including undocumented Washingtonians) receive $250 per member per month. You must apply for and accept any federal APTC you qualify for.

Cascade Care standardized plans and the Cascade Select public option

Washington requires on-exchange carriers to offer Cascade Care standardized plan designs at Bronze, Silver, and Gold. All Cascade Care plans at the same metal tier have the same deductible, copays, coinsurance, and out-of-pocket maximum. Carriers differentiate on premium, provider network, and care management. Non-standardized plans can be offered alongside. New for PY2026: two Gold variants, Vital Gold (lower-cost) and Complete Gold.

Cascade Selectis Washington's state-contracted public option, administered by the WA Health Care Authority. Three carriers offer Cascade Select for PY2026 (Community Health Plan of Washington, Coordinated Care, LifeWise Health Plan). Cascade Select is available in 37 of 39 Washington counties, with Grays Harbor and Lincoln counties as the historical gaps. Cascade Select plans typically price toward the lower end because of provider reimbursement caps tied to Medicare benchmarks.

Catastrophic plans in Washington follow federal rules

Washington follows the federal ACA default: Catastrophic coverage is available to enrollees under age 30 at the start of the plan year, or at any age with an approved affordability or hardship exemption. The PY2026 federal expansion automatically extends hardship eligibility to consumers with projected income below 100% FPL or above 400% FPL. APTC and Cascade Care Savings do not apply to Catastrophic plans.

Tobacco surcharges in Washington

Washington has no statute explicitly prohibiting tobacco surcharges on individual-market ACA plans, so the federal ceiling of up to 1.5x applies by default. In practice, WA individual-market carriers have historically not filed tobacco rating factors above 1.0, so most enrollees see no tobacco-related premium difference. Carrier-by-carrier SERFF rate filings are the final word; check the specific plan before enrolling if certainty matters.

Carriers selling 2026 plans in Washington

13 carriers, 2,825 plans across 39 counties. 2,187 sold on Washington Healthplanfinder, 638 off-exchange-only direct from carriers. 14 carriers approved for PY2026, with 86 qualified health plans certified. Cascade Care standardized designs let you compare like-for-like across carriers within a metal tier.

Enrollment

Open Enrollment for 2026 coverage runs November 1, 2025 through January 15, 2026. Enroll by December 15 for a January 1 effective date; December 16 through January 15 takes effect February 1. Apple Health (Medicaid) enrollment is year-round on Healthplanfinder for eligible households. Special Enrollment is available year-round for qualifying life events.

Direct enrollment: wahealthplanfinder.org.

Frequently asked questions