Are there nonstop flights from Changchun (CGQ) to Haiphong (HPH)?

No. The fastest connection is via Nanning, about 4h 41m of total flying time.

What is the fastest connection from Changchun (CGQ) to Haiphong (HPH)?

via Nanning ≈ 4h 41m, via Guangzhou ≈ 4h 52m, via Shenzhen ≈ 4h 58m (estimated flying time, excluding layovers).

from 18,000 ANA miles (economy, one way, based on the published award charts).

Changchun Longjia International Airport (CGQ) to Cat Bi International Airport (HPH)・3,116 km

No nonstop flights. The fastest connection is via Nanning (NNG), about 4h 41m of flying time (layover not included).

With milesANA 18,000 miles+ (via SZX)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

7 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.