New here? Start your MEL Science order through a A site that pays you cashback, airline miles, or points for starting your online purchase there. below, check out on melscience.com as usual, and the portal pays you the rate. How portals work
MEL Science: Shopping portal cashback & miles rates
melscience.com 9 portals compared Checked 39m ago
Best MEL Science rate right now
10 pts/$ (Air Canada Aeroplan) on Aeroplan eStore is the usual rate for MEL Science.
All 9 A site that pays you cashback, airline miles, or points for starting your online purchase there., by reward type
Points
2 3 pts/$ = 3 points per dollar spent.Cashback
7One-time bonus: it pays once, on one qualifying purchase. This portal doesn't spell out the conditions anywhere we can see, so check the terms on the portal before you buy.
One-time bonus: it pays once, on one qualifying purchase. This portal doesn't spell out the conditions anywhere we can see, so check the terms on the portal before you buy.
One-time bonus: check the terms below
Source text: “Up to $30 Cash Back”
- New MEL Science Customer Purchase $30
- Existing MEL Science Customer Purchase $15
Exclusions: - Use of a coupon code not displayed on TopCashback. Terms: - Cash Back is calculated only on the item(s) price and does not include taxes, shipping or other fees. - Cash Back earned cannot exceed the total purchase amount. - To be eligible for Cash Back on all products, you must begin your purchase with an empty shopping cart. - Should your Cash Back fail to track automatically, please submit a Missing Cash Back Claim within 100 days of your order.
Details last checked 2d ago.
One-time bonus: check the terms below
Source text: “$15 Cashback”
- New Customer $15
- Existing Customer $7.5
Details last checked 4d ago.
One-time bonus: check the terms below
Source text: “up to $15”
- New MEL Science Customer Purchases 15%
- Existing MEL Science Customer Purchases 7.5%
Posting Time: Purchases will typically show in your wallet as pending in 7 days. Approval Time: Cash Back will be added to your wallet in approximately 90 days.
Details last checked 3d ago.
One-time bonus: check the terms below
Source text: “Up to $15 Cash Back”
Use of coupons or promotional codes not listed on Rakuten will void Cash Back.
One-time bonus: check the terms below
Source text: “$10.20 cashback”
- Not eligible for sign up bonus payout
Show all 7 cashback portals Show fewer
Highest yet or above usual What do these labels mean?
Joining a portal through a link here may earn us a referral bonus; it never changes these rates or their order. Details
How this tool is funded
Some links here are referral links: if you join a portal through one, that portal may pay us a referral bonus. It never changes the rates we show or how we rank them. How we make money
Rate history last 21 days
- Changes
- 0 in 87 days
- Range
- 10 pts/$
The line follows the best rate on offer at each moment, whoever was paying it.
Every account sees the last 21 days here. Premium goes back to day one.
Full history →Best play
Stack the portal with the right card: the same purchase earns two ways.
- 1 Shop through Aeroplan eStore 10 pts/$ Air Canada Aeroplan
-
2
Pay with Amex Blue Cash Everyday 3% back on online retail
Also fits: Bank of America Customized Cash Rewards (3% back on online retail) · Amex Blue Business Plus (2x Amex points on everything)
Card earn rates are our own notes, not live data. Issuer caps and terms apply, so double-check before counting on one.
Recent changes last 21 days
Common questions
Which shopping portal pays the most at MEL Science? +
Right now 10 pts/$ (Air Canada Aeroplan) on Aeroplan eStore leads, out of 9 portals we track for MEL Science. The full side-by-side comparison of cashback, miles, and points is above.
Can I earn airline miles or points for MEL Science through a shopping portal? +
Yes, the top is 10 pts/$ (Air Canada Aeroplan) on Aeroplan eStore. Airline and card portals often pay miles or points instead of cashback.
How often do MEL Science's points rates change? +
We've tracked MEL Science since Jul 12, 2026. Portal rates change whenever the portal updates them, and each row shows exactly when we last confirmed it.
More stores we track
Other stores in our search index, if you want a nudge.