ARBN
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Despite being a small airport with relatively fewer flights, foreigners will realize that it takes time to get through immigration. I personally did not have any issues and took only a short amount of time when it was my turn at the immigration counter to enter the country, but for some reason, so many people took so long which delayed others.
Check-in baggage came out relativy fast as well, it seems, but getting suitcases out through customs was again time-consuming as they asked for all bags to go through the X-ray machine. I saw that some people were indeed brought into an adjacent space with dividers, and their bags opened for further checking.
If you’re flying into Hongqiai Airport, make sure you don’t have a time-sensitive meeting or train to catch.
That said, the airport itself is connected to the subway Line 2, which stretches from Hongqiao Airport all the way to Pudong International Airport on the other end of the line. (Tip: If you arrive at Terminal 1, then you would have to go to the end of the line at Honqiao Airport Terminal and transfer there to go into the city. If you transfer at Terminal 2, you will have to pay double because you have to get out of the ticket gates, get back in, before continuing your trip into the city.)