can you travel abroad with an outstanding arrest warrant?
I suppose that your question really is will you get past Border/passport control?
The Police national computer is linked to that of Border control so if you have an arrest warrant it should show up when you show your passport.
The system is not infallible and is only as good as the information input by the Police.
I would not condone in any way trying to beat the system. If there is a warrant then you should be arrested by the first law enforcement officer that you encounter. The best way to deal with the matter is to get it sorted, surrender to your local Police and travel thereafter.
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