Time travel movies I enjoyed.

ARQ (2016):
Trapped in a lab and stuck in a time loop, a disoriented couple fends off masked raiders while harboring a new energy source that could save humanity.
*6.4/10 (IMDb)

Looper (2012):
In 2074, when the mob wants to get rid of someone, the target is sent into the past, where a hired gun awaits - someone like Joe - who one day learns the mob wants to 'close the loop' by sending back Joe's future self for assassination.
*7.4/10 (IMDb)

Predestination (2014):
For his final assignment, a top temporal agent must pursue the one criminal that has eluded him throughout time. The chase turns into a unique, surprising and mind-bending exploration of love, fate, identity and time travel taboos.
*7.5/10 (IMDb)

Primer (2004):
Four friends/fledgling entrepreneurs, knowing that there's something bigger and more innovative than the different error-checking devices they've built, wrestle over their new invention.
*6.9/10 (IMDb)

Project Almanac (2015):
A group of teens discover secret plans of a time machine, and construct one. However, things start to get out of control.
*6.4/10 (IMDb)

The Butterfly Effect (2004):
Evan Treborn suffers blackouts during significant events of his life. As he grows up, he finds a way to remember these lost memories and a supernatural way to alter his life by reading his journal.
*7.7/10 (IMDb)

Time Lapse (2014):
Three friends discover a mysterious machine that takes pictures twenty-four hours into the future, and conspire to use it for personal gain, until disturbing and dangerous images begin to develop.
*6.5/10 (IMDb)

Timecrimes (Original title: Los cronocrímenes) (2007):
A man accidentally gets into a time machine and travels back in time nearly an hour. Finding himself will be the first of a series of disasters of unforeseeable consequences.
*7.2/10 (IMDb)

Triangle (2009):
A group of friends suffer a yachting accident and take refuge on a cruise drifting on the open sea, but quickly realize they were better off on the upturned yacht.
*6.9/10 (IMDb)

Twelve Monkeys (1995):
In a future world devastated by disease, a convict is sent back in time to gather information about the man-made virus that wiped out most of the human population on the planet.
*8.0/10 (IMDb)

Edit: yay, front page. Also: not every time travel related title is in the list, I'm aware of that.
Also also: I didn't include Back to the Future because how can anyone not have seen that already.