Flying a bike from Houston to Porto

8 airlines check a bike for free on this route, as part of your checked bag allowance: United, Delta, American, British Airways, Lufthansa, Swiss and 2 more. Cheapest paid option: Iberia, $130–172 per bike each way.

No nonstop flights between Houston and Porto in this guide. Prices are per bike, each way, between the US and Europe. Checked October 1, 2026.

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Airline	Bike, each way	Airports	Good to know
United	Free	IAH → OPO	—
Delta	Free	IAH → OPO	—
American	Free	IAH → OPO	—
British Airways	Free	IAH → OPO	Register bike 3 days ahead
Lufthansa	Free	IAH → OPO	Register bike 3 days ahead
Swiss	Free	IAH → OPO	Register bike early
Austrian	Free	IAH → OPO	Register bike ahead
Brussels Airlines	Free	IAH → OPO	Register bike ahead
Iberia	$130–172	IAH → OPO	Soft bags cost $150 more
Air France	$150	IAH → OPO	Register bike 2 days ahead
KLM	$150	IAH → OPO	Register bike 2 days ahead

Free means the bike counts as one of your checked bags. Basic and Light fares often don't include a free bag. Open an airline for its rules.

Quick answers

Which airlines fly a bike for free from Houston to Porto?

United, Delta, American, British Airways, Lufthansa, Swiss, Austrian and Brussels Airlines include the bike in your checked bag allowance, if your fare includes a checked bag.

How much does it cost to fly a bike from Houston to Porto?

Free on 8 airlines. Paid options range from $130–172 (Iberia) to $150 (Air France) per bike, each way.

Is there a nonstop flight from Houston to Porto?

No nonstop flights between Houston and Porto in this guide.