Cheap flights from Dulles to Southend
Cheapest current fares: $518 in August 2026 on connecting flights.
Cheapest month-by-month fares
Lowest available fare per calendar month from Dulles (IAD) to Southend (SEN). Refreshed daily.
Dulles (IAD) → Southend (SEN)
- August 2026 $518
- October 2026 $760
Frequently asked questions
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What is the cheapest month to fly from Dulles to Southend?
Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Dulles (IAD) to Southend (SEN), with fares starting from $518.
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What is the lowest current fare from IAD to SEN?
The lowest currently-listed fare from Dulles (IAD) to Southend (SEN) is $518 on 2026-08-11.
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Is there a direct flight from Dulles to Southend?
There is currently no non-stop service from IAD to SEN. 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.