Travelling from Saudi Arabia to Toronto on dual passports, visa waiver with American? [closed]

I am little confused this time because my son has dual passports (Pakistani and American), now we are going to Toronto, Canada and for US nationals a visa is not required.

But in this case, we are using his Pakistani passports on iqama (permanent resident card) so his exit will be on Pakistani passport. Is it ok for him to travel out using the Pakistani passport and then show his US passport in Canada for a visa exemption?

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Can I enter a country with one passport and exit with another?

Dual nationals may also be required by the foreign country to use its passport to enter and leave that country. Use of the foreign passport to travel to or from a country other than the United States is not inconsistent with U.S. law.

Can dual citizens travel between US and Canada?

Dual Canadian citizens need a valid Canadian passport to board a flight to or transit through Canada by air. If your other country of citizenship needs you to enter and exit that country using a passport issued by its government, you will still need a valid Canadian passport to board your flight to Canada.

Can you travel to USA with two passports?

You can use whichever passport is more convenient for leaving country A, and whichever passport is more convenient for arriving in country B. They do not have to be the same passport. But you must enter and leave a country on the same passport.

Do I need a US visa for a connecting flight to Canada?

You need a transit visa if: your international flight stops at a Canadian airport on its way to another country. you'll be connecting between 2 international flights at a Canadian airport. you'll transit through Canada in 48 hours or less, and.

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