Bridge from BNB Chain to Arbitrum
Move USDC, USDT, ETH from BNB Chain to Arbitrum at the best available rate.
Typical time — usually a couple of minutes on a liquidity bridge.
New to bridging? Move a small test amount first to see how it works — most transfers land in a couple of minutes.
Quotes include a 0.5% service fee that supports Bridgeline. Swaps execute through LI.FI’s audited smart contracts — this site never holds your funds.
Four steps, all signed in your own wallet.
- 01
Connect your wallet
Connect inside the bridge box. That's the only place Bridgeline ever asks — this site never sees your keys.
- 02
Pick your token and amount
Choose what you're moving, from which chain to which chain, and how much.
- 03
Review the quote and fee
You approve the exact amount in your own wallet, with the full fee shown. Cancel any time before you sign.
- 04
Confirm and track
Sign the transaction and watch it settle on-chain through LI.FI's audited contracts. Bridgeline is never in the middle.
Bridging BNB Chain to Arbitrum
Bridging from BNB Chain to Arbitrum crosses from a high-volume retail chain into the deepest DeFi and perpetuals liquidity of any layer 2. It also swaps your gas token: BNB Chain uses BNB, Arbitrum uses ETH.
BNB Chain is where a lot of retail volume and memecoin activity lives, with PancakeSwap as the hub, but Arbitrum is where serious DeFi concentrates — GMX, major lending markets, and deep perps liquidity, all at a few cents of gas. People move this way to access those venues or to consolidate stablecoins on a rollup that settles to Ethereum. Watch the stablecoin standard: BSC-USDT and Ethereum-standard USDT aren't automatically interchangeable, so let the aggregator handle the swap.
BNB Chain
Source- Gas
- Typically well under a dollar.
- Speed
- About 3-second blocks.
- Ecosystem
- High retail volume; PancakeSwap is the dominant DEX.
Arbitrum
Destination- Gas
- Usually a few cents per swap.
- Speed
- Sub-second confirmations; optimistic-rollup settlement to Ethereum.
- Ecosystem
- The deepest DeFi liquidity of any L2 — perpetuals, GMX, and major DEXs.
Stay safe while bridging
- Approve only what you’re bridging. The widget requests finite token approvals by default — there’s no need to grant an unlimited allowance.
- Check the URL every time. Bookmark this site and confirm the address bar before connecting a wallet.
- Start small for a new route. A tiny test transfer confirms everything works before you move the full amount.
Moving a large amount? Consider a hardware wallet
A hardware wallet keeps your private keys offline, so a compromised browser or a malicious approval can’t drain your funds on its own. It’s the single biggest security upgrade for anyone holding meaningful value on-chain.
Official links, provided for your security.
Questions about BNB Chain → Arbitrum
Do I need ETH for gas on Arbitrum?
Yes — Arbitrum charges gas in ETH, while BNB Chain uses BNB. Bring a little ETH or use a route that delivers gas on arrival so your first Arbitrum transaction works.
Is my USDT the same across chains?
Not automatically. USDT on BNB Chain is a BEP-20 token; on Arbitrum it follows the Ethereum standard. A good aggregator swaps into the correct destination token — confirm what you'll receive in the quote.
What does this route cost?
BNB Chain gas is usually well under a dollar and Arbitrum gas is a few cents, plus the bridge spread and service fee. There's no expensive Ethereum mainnet leg on a direct route.
How long does it take?
Usually a couple of minutes on a liquidity bridge. BNB Chain confirms in about three seconds and Arbitrum in under a second, so most of the wait is the bridge sourcing liquidity.