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Compare flight and bus for Dax to Porto
Omio recommends booking the bus as it is the most popular option from Dax to Porto among Omio's users. If you are prioritising price, take the bus, with an average ticket price of $160 For those with little time, consider booking a flight, which has an average total journey time of 6h 40m. If you are seeking to minimise your carbon footprint, the bus is your best option, with estimated CO2 emissions of 0.7 - 1.7kg. Average ticket prices depend on the travel mode: a bus costs an average of $160, while a flight costs an average of $904.
Distance: 423 miles (682 km)
Compare bus with
Most popular Bus | Flight | Driving |
|---|---|---|
$160 Average price Cheapest | $904 Average price | $168 Average price (fuel + tolls) |
19h 25m Average total duration 18h 55m Onboard + 30m Additional time* | 6h 40m Average total duration Fastest 4h 40m Onboard + 2h 0m Additional time* | 8h 37m Average total duration (door-to-door) |
0.7 - 1.7kg CO2 emissions Lowest | 2.0 - 4.1kg CO2 emissions | - CO2 emissions |
Direct Options | Direct Options | Direct Options |
Additional time: Average total travel duration to departure point, security checks and transfers.
This is compared to other travel options from Dax to Porto:
A bus is $744 less than a flight for this route with tickets for a flight from Dax to Porto costing on average $904.
Other travel options to Porto take longer:
Bus takes on average 19h 25m.
You'll arrive about 3h 57m sooner (4h 40m by flight vs 8h 37m by car). Tickets start at around $904 compared to roughly $168 in fuel and tolls — a bit more, but you get time back and avoid a long drive.
Driving makes more sense if you're travelling as a group, want flexibility on timing, or plan to stop en route.
Compare prices and tickets Prices for trains, buses and flights
Compare flight and bus prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
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FAQs: Travel from Dax to Porto
Travel to Porto easily. Whether you want fast, cheap or something entirely different, our travel experts have collected everything you need to know so you can find the best option from Dax to Porto.

This is compared to other travel options from Dax to Porto:
A bus is $744 less than a flight for this route with tickets for a flight from Dax to Porto costing on average $904.
Other travel options to Porto take longer:
Bus takes on average 19h 25m.
- Around 64 flights per day.
- Around 1 buses per day.
However, we recommend checking specific travel dates for your route between Dax and Porto as scheduled services by flight and bus can vary by season or day of the week.
- Flights mostly depart from Biarritz Airport and arrive in Porto Airport.
- Buses mostly depart from Dax, Gare Routière SNCF and arrive in Porto, Terminal Intermodal de Campanhã.
- Travel with BlaBlaCar Bus to go to Porto by bus.
- Travel with Lufthansa, Air Baltic, Swiss, Brussels Airlines, TAP Portugal, KLM, Air France to go to Porto by flight.
Travelling from Dax to Porto: related information
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