Last updated: March 2026

How Much Does Oseltamivir (Tamiflu) Cost?

Without Insurance
$30 – $120
Average: $75
With Insurance
$0 – $40
Average: $20
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Cost Breakdown by Type

Type / Procedure Without Insurance With Insurance
75mg Capsules Generic (5-day) $30 – $70 $0 – $25
75mg Capsules Brand Tamiflu (5-day) $100 – $175 $20 – $50
Oral Suspension (pediatric) $40 – $120 $10 – $40

What Affects the Cost

  • Brand-name vs. generic availability
  • Insurance formulary tier placement
  • Pharmacy choice (retail vs. mail-order vs. Costco)
  • Manufacturer savings cards and coupons
  • Dosage and quantity prescribed
  • Geographic location

Insurance Coverage

Typical coverage: Covered as Tier 2 generic; brand Tamiflu Tier 3

Most insurance plans use a tiered formulary: Tier 1 (generic) $0-$15 copay, Tier 2 (preferred brand) $25-$75, Tier 3 (non-preferred brand) $50-$150, Tier 4 (specialty) $100-$500+. Prior authorization may be required for certain medications. Step therapy may require trying cheaper alternatives first.

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How to Save Money

  • Always ask for generic when available — saves 50-90%
  • Use GoodRx, RxSaver, or similar discount cards
  • Costco pharmacy is open to non-members and often has lowest prices
  • Mark Cuban's Cost Plus Drugs offers transparent low pricing
  • Manufacturer patient assistance programs provide free medication to qualifying patients
  • HSA/FSA funds can cover medication costs tax-free

Related Procedures & Costs

Frequently Asked Questions

Generic oseltamivir costs $30 to $70 for a 5-day course. Brand Tamiflu costs $100 to $175 without insurance.

Most insurance plans cover generic oseltamivir with a $0 to $25 copay. Brand Tamiflu may require a higher copay.

Tamiflu is most effective when started within 48 hours of flu symptom onset. It reduces illness duration by about 1 day.

Disclaimer: Costs shown are estimates based on national averages and may vary by location, provider, and insurance plan. This information is for educational purposes only and is not medical advice. Consult your healthcare provider and insurance company for exact costs. Read full disclaimer.
Sources: FAIR Health Consumer, Healthcare Bluebook, CMS Medicare Fee Schedules, GoodRx, and published clinical pricing data. Last updated: 2026-03-15.