How long does it take to fly from Idaho to Manila Philippines?

Answer 1

A random search for flights from Idaho Falls (IDA) to Manila (MNL) shows:

OPTION 1: 23hr 30min via Salt Lake City (SLC), Seattle/Tacoma (SEA) & Tokyo Narita (NRT)
IDA - SLC Northwest Airlines Flt 5969 Dep 08:00am 18Dec,Fri
Operated by Delta Air Lines
SLC - SEA Northwest Airlines Flt 9518 Dep 09:52am 18Dec,Fri
Operated by Delta Air Lines
SEA - NRT Northwest Airlines Flt 0295 Dep 12:40pm 18Dec,Fri
NRT - MNL Japan Airlines Flt 745 Dep 06:30pm 19Dec,Sat
Flight Duration: 19hr 03min; Layover Time: 4hr 27min; Total Trip Time: 23hr 30min

OPTION 2: 23hr 30min via Salt Lake City (SLC), Seattle/Tacoma (SEA) & Tokyo Narita (NRT)
IDA - SLC Delta Air Lines Flt 4588 Dep 08:00am 17Dec,Thu
SLC - SEA Delta Air Lines Flt 4762 Dep 09:52am 17Dec,Thu
SEA - NRT Northwest Airlines Flt 295 Dep 12:40pm 17Dec,Thu
NRT - MNL Northwest Airlines Flt 281 Dep 06:15pm 18Dec,Fri
Flight Duration: 19hr 18min; Layover Time: 4hr 12min; Total Trip Time: 23hr 30min

Answer 2

Fly to Denver or Salt Lake and then its about 8-12 hours.