Dual passport holders

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I was just looking at booking my flight back to U.K. from France and returning two weeks later and I realised I am chewing up my 90 days on my U.K. passport.
I have a Dutch passport as well but have rarely used it but now I need to start.
To those who are similarly blessed with both U.K. and EU passports, do you always travel to the EU on that passport or go out of the U.K. on your U.K. one and into the EU on the EU one and vice-versa? How does that work when booking the flights? Obviously I need to leave on the U.K. one this time having come in on it.
 
I recently re-acquired my Dutch passport, so am dual NL/GB again (long story) - I've travelled once since and NL border control told me to use my Dutch passport at their desks in and out, regardless of which passport the ticket was booked with. Ticket was booked under my GB passport, so check-in done with that both ways.

Edit:
This lot say to book with the passport for the country you're entering, but I don't see how that works when buying a return?

Travelling With Two Passports – How to Travel with Dual Citizenship
 
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I have British and Irish passports, and post Brexit have travelled only on the Irish one. Nobody has ever batted an eyelid about it.
 
I have British and NZ (not the hot combo it used to be). I use NZ on the way out to avoid paying the visa and tourist tax, then UK on the way back to avoid needing a visa to get back into UK.
 
My wife has dual citizenship and passports, the only problem being her Portuguese passport and citizen card are in her maiden name, whereas her UK citizenship and documents are in married name.

Up to now, all flights have been booked in married name and when arriving Portugal she produces her Portuguese passport and citizen card, when arriving in UK she produces UK passport. Many years/trips doing this indicates border control don't match up passenger details with passports.

When ETIAS starts, I think we will have to book her in maiden name when travelling to Portugal as residents (me) and citizens (her) don't have to comply.
 
Well, I messaged the two airlines I travelled with most (KLM and Ryanair) and they both said should book tickets on the passport for the country I am resident in and the payment card is issued from, and that document should be used for check-in and aircraft boarding. If I have an EU passport I should use it at EU immigration, if I have a UK passport I should use at at UK immigration. Some countries ( US, Australia, Israel) say you must use their passport if if you have it and you can be prosecuted if you don't.
Oh, and I discovered while browsing that I could actually get an Irish passport to thrown into the mix ( my grandmother was Irish and they allow going back two generations).
 
My wife has dual citizenship and passports, the only problem being her Portuguese passport and citizen card are in her maiden name, whereas her UK citizenship and documents are in married name.

Up to now, all flights have been booked in married name and when arriving Portugal she produces her Portuguese passport and citizen card, when arriving in UK she produces UK passport. Many years/trips doing this indicates border control don't match up passenger details with passports.

When ETIAS starts, I think we will have to book her in maiden name when travelling to Portugal as residents (me) and citizens (her) don't have to comply.

That's been our experience too.
 
You might need it now with this ETA thing?
Why? I am never in the UK for more than a week and never more than once a year if that. My French passport covers Europe better than a UK one and for that mater the rest of the world. I can travel within Shengen countries on my ID card. I really don't see a downside.
 
Why? I am never in the UK for more than a week and never more than once a year if that. My French passport covers Europe better than a UK one and for that mater the rest of the world. I can travel within Shengen countries on my ID card. I really don't see a downside.
Will you not need an ETA to come into the UK on your French passport?
 
My wife has dual citizenship and passports, the only problem being her Portuguese passport and citizen card are in her maiden name, whereas her UK citizenship and documents are in married name.

Up to now, all flights have been booked in married name and when arriving Portugal she produces her Portuguese passport and citizen card, when arriving in UK she produces UK passport. Many years/trips doing this indicates border control don't match up passenger details with passports.

When ETIAS starts, I think we will have to book her in maiden name when travelling to Portugal as residents (me) and citizens (her) don't have to comply.
I think you will find that they have a lot more information about you than you think.
If it was scanned, then I am sure they new of her maiden name/current name and matched them up.
 
I think you will find that they have a lot more information about you than you think.
If it was scanned, then I am sure they new of her maiden name/current name and matched them up.

When scanned, which we are, they have historical details of entries exits which is no problem. At the moment, I think it's only national but when EES goes live, they will have info for all of Schengen countries.
 
I have dual UK/EU nationality.

My understanding is that passport used is irrelevant. It is citizenship / right to residence that is key.

You could travel on whichever passport you like. Ninety day restrictions do not apply as you are an EU citizen.
 
I have dual UK/EU nationality.

My understanding is that passport used is irrelevant. It is citizenship / right to residence that is key.

You could travel on whichever passport you like. Ninety day restrictions do not apply as you are an EU citizen.

Passport used is relevant. My wife for instance does not have UK residence or citizenship under her maiden name Portuguese passport and entering Portugal, does not have residence under her UK one in married name. She's looked at changing name on all her Portuguese documents but it's not worth the hassle.
 
Passport used is relevant. My wife for instance does not have UK residence or citizenship under her maiden name Portuguese passport and entering Portugal, does not have residence under her UK one in married name. She's looked at changing name on all her Portuguese documents but it's not worth the hassle.
It was I believe at one time a bit fashionable to keep one's family name when getting married, there must be many married couples with different surnames, surely there is an official 'link' to combine the authenticity of documents and names.
 
It sound quite complicated - but probably isn't as complicated as you think.

Example - it took me ages to apply for an EU passport due to covid, laziness and logistical issue. Nevertheless, as an EU citizen I had no restrictions on the length of stay and enjoyed the same rights and benefits as every other EU citizen, but could use my UK passport for travel as normal.

I don't really think it matters. Pick up whichever passport you like - or both if concerned - but your rights within both unions remain the same.
 
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