Which Online Casinos Pay Out the Most in Ontario?

What 'Best Paying' Actually Means

The phrase 'best paying online casino' is used in marketing to suggest one site pays out more than another overall. In practice, payout performance is determined at the game level, not the casino level. Every slot, table game and live dealer title has a built-in return-to-player percentage set by the game developer and verified by an independent test laboratory before the game is released. The casino chooses which games to offer; it does not normally alter the RTP of a certified game.

Three factors together determine whether a casino is genuinely good for payouts:

1. Game RTP — the theoretical percentage of all wagered money a game returns to players over a very large number of rounds. A slot with a 96.5% RTP returns $96.50 for every $100 wagered on average across millions of spins. This is a long-run statistical average, not a per-session guarantee.

2. Audit transparency — whether the RTP figures are certified by a recognised independent test lab and whether those certificates are publicly accessible.

3. Withdrawal terms — maximum cashout limits, processing times and verification requirements that affect how much of a win a player can actually receive. A high-RTP game at a casino with a $500 weekly withdrawal cap is less useful to a player who wins $5,000 than the same game at a site with no such cap.

Marketing claims such as '98% payout rate' or 'highest RTP casino' are not standardised. Some refer to a single featured game; others are calculated across a narrow game selection or a specific time window. Without a named audit body, a certificate date and a defined game scope, such figures cannot be independently verified.

How RTP Is Set and Audited

Game developers program RTP into a game's mathematics before release. The figure is fixed in the game's certified code and cannot be changed by the casino operator without a new certification cycle. Independent test laboratories examine the random number generator, the game mathematics and the software build to confirm the stated RTP is accurate.

Three laboratories are widely recognised in regulated markets:

eCOGRA (e-Commerce and Online Gaming Regulation and Assurance) is a UK-based testing and certification body. It publishes monthly payout reports for operators that subscribe to its certification programme. These reports list average payout percentages by game category for a given month and are publicly available on the eCOGRA website for participating operators.

GLI (Gaming Laboratories International) is an accredited test laboratory that certifies game mathematics, RNG performance and regulatory compliance. GLI certificates are issued to game developers and operators; they are not always published publicly but can be requested from the operator or developer.

iTech Labs is an ISO/IEC 17025-accredited laboratory based in Australia that tests RNG and game mathematics. Like GLI, it issues certificates to developers and operators; public availability depends on the operator's disclosure policy.

For Ontario's regulated market, the Alcohol and Gaming Commission of Ontario (AGCO) sets technical standards that registered iGO operators must meet. These standards include requirements for RNG certification and game integrity, though the AGCO does not publish per-game RTP tables itself. Players can find the AGCO's registered operator list and technical standards on the AGCO website.

When an offshore casino displays an eCOGRA or GLI seal, the seal should link to a live certificate page. A static image without a verifiable link is not confirmation of current certification.

How to Check a Game's RTP Before Playing

The most reliable place to find a game's RTP is inside the game itself. Developers are required to disclose the figure in the game rules or paytable for any market where certification is mandatory. The steps below apply to slots and most table game variants; live dealer games sometimes display RTP in a separate information panel.

1. Open the game in demo or real-money mode. Look for an 'i', 'Info', '?' or 'Paytable' button, usually in a corner of the game screen.
2. Navigate to the game rules or information section. The RTP is typically listed as 'Return to Player', 'Theoretical RTP' or 'Payout Percentage', often expressed as a percentage such as 96.10%.
3. Note whether the game offers multiple RTP variants. Some slots allow the operator to select from a range (for example, 94%, 96% or 97%). The figure shown in the rules screen reflects the version deployed on that specific casino.
4. Cross-reference with the developer's published game sheet. Major developers such as NetEnt, Play'n GO and Pragmatic Play publish game information pages listing the certified RTP. Search the developer's website for the game title.
5. If the game rules do not display an RTP, check whether the casino's help centre or game catalogue lists it. If neither source provides the figure, treat the RTP as unverified for that site.
6. For table games, the theoretical RTP is determined by the specific rule variant (number of decks, dealer rules, side bets). Look for the specific variant name in the game rules and compare it against published house-edge tables for that variant.

iGO-Regulated Sites vs Offshore Sites: Payout Transparency

Ontario's regulated iGaming market, operated through iGaming Ontario (iGO) and overseen by the AGCO, launched in April 2022. Operators registered with iGO must comply with AGCO's Registrar's Standards for Internet Gaming, which include requirements for game integrity, RNG certification and responsible gambling tools. This creates a baseline of technical accountability that is enforced by a provincial regulator with legal authority in Ontario.

Offshore casinos accepting Ontario players hold licences from jurisdictions such as Malta (Malta Gaming Authority), Curaçao or Kahnawake. The strength of consumer protection and the rigour of technical auditing vary significantly between these jurisdictions. The MGA, for example, requires certified RNG testing and publishes a public register of licensed operators. Curaçao's licensing framework has been undergoing reform; the new Gaming Control Board of Curaçao began issuing licences under updated legislation, though the transition timeline and enforcement standards differ from the MGA model.

On payout transparency specifically:

iGO-registered sites operate under AGCO standards that require certified game integrity. However, AGCO does not mandate that operators publish a site-wide payout percentage report in the way that some jurisdictions do. Players must still check individual game RTPs.

Offshore sites vary widely. Some voluntarily publish monthly eCOGRA payout reports; others display no third-party audit information at all. A casino that publishes a verified eCOGRA monthly report is more transparent than one that states a payout percentage without naming an audit body or providing a certificate link.

The key question is not which model pays out more — that depends on the games played — but which model gives you better tools to verify what you are being told. An iGO-registered site gives you a regulated complaint channel (AGCO and iGO's dispute process) if a payout is withheld. An offshore site's dispute resolution depends on the licensing body's complaint mechanism, which varies in accessibility and enforceability for Ontario residents.

For a detailed comparison of the two models, see the casinos-not-on-iGO page.

Which Games Usually Have the Highest RTP?

Game category is the strongest predictor of theoretical RTP. The figures below are typical published ranges based on game-developer documentation and widely cited industry references; actual RTP for any specific title depends on the variant and the version deployed by the operator. These are not guarantees of individual session results.

Blackjack (basic strategy): Blackjack played with correct basic strategy against standard rules (typically six or eight decks, dealer stands on soft 17) has a theoretical house edge below 0.5%, implying an RTP above 99.5%. Rule variations — such as dealer hitting soft 17, restricted doubling or no re-splitting — increase the house edge. Side bets carry significantly higher house edges and lower RTPs.

Video poker (full-pay variants): Certain full-pay video poker variants, such as full-pay Jacks or Better (9/6 pay table), have published RTPs above 99% when played with optimal strategy. The pay table must be checked carefully; reduced-pay versions have materially lower RTPs.

Baccarat (banker bet): The banker bet in standard baccarat has a house edge of approximately 1.06% before the 5% commission, giving an RTP near 98.94%. The tie bet carries a much higher house edge and lower RTP.

Slots: Published RTPs for online slots typically range from approximately 94% to 97% for mainstream titles, though some developer-certified games sit outside this range in either direction. High-volatility slots may have competitive RTPs but produce wins less frequently and in larger amounts. Low-volatility slots produce smaller, more frequent wins. Neither volatility level changes the long-run RTP.

Live dealer games: Live versions of blackjack, baccarat and roulette generally carry the same theoretical RTPs as their digital equivalents for the same rule variant. Some live game providers publish their rules and RTPs in the game's information panel.

Progressive jackpot slots: The base-game RTP of a progressive slot is often lower than a comparable non-progressive title because a portion of each wager funds the jackpot pool. The published RTP may or may not include the jackpot contribution; check the game rules for clarification.

Withdrawal Terms and Their Effect on Actual Payouts

A game's RTP describes theoretical long-run returns. What a player actually receives depends equally on the withdrawal terms attached to their account and any active bonus. Two withdrawal factors most directly affect real payout value:

Withdrawal limits: Some casinos impose daily, weekly or monthly maximum withdrawal amounts. A player who wins a large sum at a high-RTP game but faces a $1,000 weekly withdrawal cap will receive their winnings in instalments over weeks or months, during which time the funds remain at the operator. Check the cashier or terms and conditions for the specific limit before depositing.

Bonus wagering requirements: If a deposit bonus is active, winnings generated while the bonus is in play are typically subject to a wagering requirement before withdrawal is permitted. The wagering requirement multiplies the bonus amount (or sometimes the bonus plus deposit) by a stated factor. Until that volume is met, the balance is not freely withdrawable. Accepting a bonus at a high-RTP game does not eliminate the wagering cost; the expected cost of meeting a wagering requirement depends on the requirement multiple, the game's RTP and the game's contribution rate to the requirement.

KYC verification: Both iGO-registered and offshore casinos require identity verification before processing withdrawals above certain thresholds. Delays in verification are a common cause of payout delays. Submitting documents proactively after registration, rather than waiting until a withdrawal is requested, reduces this friction.

For a full explanation of the withdrawal process for offshore casinos, including KYC steps and what to do if a withdrawal is blocked, see the withdrawals article.

Practical Checklist: Judging a Payout Claim

Before accepting a casino's payout marketing at face value, work through the following questions. Each one targets a specific claim type that is commonly used without adequate supporting evidence.

1. Does the casino name the audit body behind its payout percentage claim? Look for eCOGRA, GLI or iTech Labs. A percentage without a named auditor is unverified.
2. Does the audit seal link to a live certificate page on the lab's own website? A static image is not confirmation of current certification.
3. Is the payout percentage for the whole site or a specific game category? Site-wide averages blend high-RTP table games with lower-RTP slots and may not reflect the games you intend to play.
4. What is the date of the most recent published report? An eCOGRA monthly report from two years ago does not confirm current performance.
5. Does the game you plan to play display its RTP in the rules screen? If not, check the developer's website for the certified figure.
6. What are the withdrawal limits? Find the maximum daily, weekly and monthly withdrawal amounts in the cashier or terms before depositing.
7. Are there active bonus wagering requirements that restrict withdrawal? Read the bonus terms in full, including game contribution rates and expiry.
8. For offshore sites: does the operator hold a current, verifiable licence from a named regulator? Check the licence number against the regulator's public register.

Sources: TheRX editorial standard on bonus and payout claims · OnlineCasino.org editorial guidelines on sourcing