The short answer
A full transit takes the ship through the entire canal, from the Atlantic (Caribbean) side to the Pacific or the other way round, so the cruise ends in a different port from where it began. A partial transit goes up into Gatun Lake through the locks on the Atlantic side and then turns around and goes back down the same way, so the cruise returns to its starting port.
Both are real canal experiences. The right one depends on your time, budget and how you want to travel.
What a full transit is
On a full transit, the ship goes through all the locks, crosses Gatun Lake and the Culebra Cut, and exits on the opposite ocean. Typical features:
- One-way routes. Common routes link Florida ports such as Fort Lauderdale, Miami or Tampa with West Coast ports such as Los Angeles, San Diego, San Francisco or Vancouver.
- Seasonal timing. Full transits often coincide with cruise lines repositioning ships toward or away from Alaska in spring and fall.
- Length. Often around 14 to 16 nights, and some sailings are longer or can be combined with other cruises.
- Flights. You will probably need one-way airfare, as with other one-way cruises.
- More ports. Longer itineraries usually include stops in Colombia, Costa Rica, Central America and Mexico.
What a partial transit is
On a partial transit, the ship enters the Atlantic-side locks, sails into Gatun Lake and then goes back out through the same locks. Typical features:
- Round-trip routes. Often from Florida ports and sometimes other U.S. ports.
- Length. Around 10 to 12 nights is common.
- Simpler logistics. You return to the port where you started.
- Excursions. On some itineraries, passengers can take an excursion at Gatun Lake or Colon.
- Availability. Not every line offers it, and it is more common in the winter months.
Water levels in Gatun Lake can affect partial transits. In dry or drought conditions, lines have changed or cancelled lake entry, so check the cruise line’s policy.
The third option: a stop without a transit
Some itineraries visit Colon, Panama, without going through the locks. You can take shore excursions to see the canal or visit the visitor centers. These cruises can be a similar length to partial transits, but you do not experience the locks from the ship.
Side by side
| Full transit | Partial transit | |
|---|---|---|
| Route | Ocean to ocean | Into Gatun Lake and back |
| Start and end | Different ports | Same port |
| Typical length | About 14 to 16 nights or more | About 10 to 12 nights |
| Flights | Usually one way | Usually round trip |
| Locks | All sets | One side only |
| When | Often spring and autumn | Often winter |
Which should you choose?
- Choose a full transit if you want the complete crossing and have the time and budget for a longer, one-way trip.
- Choose a partial transit if you want a shorter, round-trip option from Florida, and are happy with seeing a portion of the canal.
- Choose a stop only if the locks are not essential and you would rather spend your time ashore.
Seeing the canal at least once, whichever type you choose, is the main thing for many travelers. For a description of the experience, read how cruise ships go through the Panama Canal.
Things to check before booking
- Read the itinerary to see whether the transit day is a canal passage or only a port call.
- Check which lines and ships offer each option; our list of the best cruise line for the Panama Canal is a start.
- Compare prices; see how much a Panama Canal cruise costs.
- Consider the season; see the best time of year for a Panama Canal cruise.
- Confirm your documents; see whether you need a passport.
- Check how long you’ll spend in the canal; see how long ships take to cross the Panama Canal.