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All bridge routes

Optimism to Arbitrum Bridge

Bridge USDC, USDT, ETH and other tokens directly from Optimism to Arbitrum — L2-to-L2 in a single non-custodial transaction. Stables dominate the route; the widget pre-fills USDC for the most common transfer.

Optimism to Arbitrum Bridge Now

Numbers

Proven performance

+ chains

Supported Networks

+ chains

Supported Networks

years

On the Market

years

On the Market

sec

Average Bridge Time

sec

Average Bridge Time

incidents

Since Launch

incidents

Since Launch

How to bridge from Optimism to Arbitrum

A real case from June 2026: a user bridged $3,484 USDC from Optimism to Arbitrum via Symbiosis. Source transaction 0x7567…3377, destination on Arbitrum 0x0451…7b80.

Open the widget — Optimism pre-selected as source, Arbitrum as destination, USDC in and out. Swap to a different token (ETH, USDT, WETH) if needed.
Connect wallet — MetaMask or Rabby. Recipient address on Arbitrum auto-filled from the same wallet.
Review the quote — Symbiosis routing layer shows the exact amount on Arbitrum, flat fee in USD, and ETA.
Approve and confirm — one transaction on Optimism. No second transaction on Arbitrum needed.
Receive on Arbitrum — typical end-to-end delivery via Symbiosis routing layer.

Track on the Symbiosis explorer, Optimistic Etherscan and Arbiscan.

Optimism to Arbitrum One bridge — live route: 3,484 USDC (Optimism) → USDC (Arbitrum One) · Symbiosis

About bridging Optimism to Arbitrum via Symbiosis

Optimism to Arbitrum is a live L2-to-L2 route on Symbiosis. Hundreds of transactions delivered in the last 90 days. Stablecoins dominate the volume — USDC and USDT the most common — but the route also supports ETH, WETH and other major tokens in either direction.

Single-transaction routing with one source-chain confirmation; no Ethereum mainnet hop, no manual wrapping. For a real-time quote on your exact pair and amount, use the widget above. For aggregate stats across all Arbitrum routes (50+ source / destination chains), see the Arbitrum bridge hub.

Real on-chain data from Symbiosis routing layer, period 2026-03-18 → 2026-06-16. Statistics refreshed quarterly. Transactions verified via Optimistic Etherscan and Arbiscan.

Fees

Most popular route: Optimism USDC → Arbitrum USDC

Snapshot of typical transfers via the Symbiosis routing layer. Symbiosis charges a flat fee regardless of size — only gas and routing change with network conditions. Use the widget below for a real-time quote on your exact amount.

Amount

Receive

Fee + Gas

Time

100 USDC

99.35 USDC

~$0.65

~37s

500 USDC

498.75 USDC

~$1.25

~37s

1,000 USDC

997.98 USDC

~$2.02

~37s

5,000 USDC

4,989 USDC

~$10.58

~37s

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Check your own quote

Above are averages — enter your amount below for a live quote with exact fees, route preview, and one-click bridge.

Benefits

Why Symbiosis

Audited in the open

No KYC, no custody, no intermediaries. Audited by Decurity, Zokyo, SlowMist, and Omniscia — 13 public audit reports across 11 protocol modules (Core, MetaRouter v3, Pool, TON Bridge v1+v2, Relayers Network, Staking, Frontend). All reports open-source on GitHub. 4+ years live on mainnet (since March 2022) with zero major security incidents. Active bug bounty program.

Audited in the open

Two-layer staking security

Cross-chain transactions routed via Octopools AMM (scans liquidity across DEXs and chains for minimal slippage), then signed by an MPC group via Threshold Signature Scheme (TSS) — no single party can move user funds. Two security layers: Symbiosis PoS Staking (SIS-collateralised relayer nodes) + Symbiotic restaking (additional slash-able collateral). 2/3 stake quorum for epoch changes.

Two-layer staking security

$8B+ across 54 chains

$8B+ total volume bridged across 5M+ transactions from 800K+ unique wallets. Supports 54 networks — more than any other cross-chain bridge (Across 35+, deBridge 30+, Allbridge 20). EVM + non-EVM in one route — Ethereum, Solana, BNB Chain, TON, Tron, Bitcoin, Arbitrum, Polygon, and 46 more. Per-transaction range: $10 to $140,000 — handles retail swaps and whale trades on the same route.

$8B+ across 54 chains

FAQs

Got questions?

Still have questions? Contact us and we’ll help you out.

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How do I bridge from Optimism to Arbitrum?

Open the Symbiosis widget, set source Optimism and destination Arbitrum, pick token in (ETH, USDT, USDC) and connect a wallet. One transaction on Optimism delivers the destination token to your Arbitrum address — median 32 seconds end-to-end based on 118 real transactions in the last 90 days.

How long does it take to bridge from Optimism to Arbitrum?

Median 32 seconds end-to-end based on 118 real transactions over the last 90 days; 90th percentile 51 seconds. Both Optimism and Arbitrum have fast finality, so this is one of the quicker cross-chain routes.

What is the best Optimism to Arbitrum bridge?

"Best" depends on what you optimise for. By speed Symbiosis delivers a 32-second median (real on-chain data, 90 days). By cost it charges a flat ~$0.45 per transaction regardless of size. By coverage it supports ETH, USDT, USDC and can output any Arbitrum-side token in one transaction — not just same-token bridges.

What is the fee to bridge OP to ARB?

Approximately $0.45 per transaction regardless of size (tested at $100, $500, $2,000 and $10,000 tiers via Symbiosis /v2/quote on 2026-06-16). For a $2,000 ETH bridge that is roughly 0.022% of notional.

Can I bridge ETH from Optimism to Arbitrum?

Yes — ETH is one of the supported tokens on this route (15.43% of route volume over 90 days). Native ETH on Optimism becomes native ETH on Arbitrum in one transaction at ~$0.45 flat fee, median 32 seconds.

What tokens can I bridge from Optimism to Arbitrum?

USDT (66.77% of route volume), ETH (15.43%), USDC (14.22%) are the dominant tokens over the last 90 days. Symbiosis also supports converting the source token to a different Arbitrum-side token in the same transaction — e.g. 3,490 USDT on Optimism became 3,484 USDC on Arbitrum in 32 seconds in a real June 2026 transaction.

How do I bridge from Arbitrum to Optimism?

Use the same Symbiosis widget but flip source to Arbitrum and destination to Optimism — the reverse route is also live. See the Optimism bridge hub and the Arbitrum bridge hub ($21.7M outbound / 90 days) for aggregate statistics.

Is Optimism to Arbitrum cheaper than going through Ethereum?

Yes, significantly. Routing through Ethereum mainnet would incur two separate L2-to-L1 withdrawals plus an L1-to-L2 deposit and mainnet gas at every step. Symbiosis routes Optimism → Arbitrum directly L2-to-L2 at one flat ~$0.45 fee, median 32 seconds.