What is the cheapest month to fly from Dulles to Haikou?

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Dulles (IAD) to Haikou (HAK), with fares starting from $618.

What is the lowest current fare from IAD to HAK?

The lowest currently-listed fare from Dulles (IAD) to Haikou (HAK) is $618 on 2026-08-19.

Is there a direct flight from Dulles to Haikou?

There is currently no non-stop service from IAD to HAK. Most travellers connect through a hub airport. See our route page for current stopover options.

Cheap flights from Dulles to Haikou

Cheapest current fares: $618 in August 2026 on connecting flights.

Last updated June 8, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Dulles (IAD) to Haikou (HAK). Refreshed daily.

Dulles (IAD) → Haikou (HAK)

August 2026 $618

Frequently asked questions

What is the cheapest month to fly from Dulles to Haikou?

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Dulles (IAD) to Haikou (HAK), with fares starting from $618.
What is the lowest current fare from IAD to HAK?

The lowest currently-listed fare from Dulles (IAD) to Haikou (HAK) is $618 on 2026-08-19.
Is there a direct flight from Dulles to Haikou?

There is currently no non-stop service from IAD to HAK. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.