Route guide

Castlereagh to Eastleigh (BHD-SOU): Nonstop Upgrade & Award Space

Aer Lingus flies nonstop between Castlereagh (BHD) and Eastleigh (SOU), roughly 22 times a week. With Aer Lingus operating this route so often, premium seats still turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every BHD to SOU departure, so you know which flights have space before you book.

Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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22
Nonstop flights a week
316 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every BHD to SOU departure

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for Castlereagh to Eastleigh to see which departures have real space, or watch the route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each BHD to SOU departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See BHD to SOU on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Castlereagh to Eastleigh nonstop

Carriers operating BHD to SOU nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

  • Aer Lingus
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Frequently asked questions about BHD to SOU

How far is Eastleigh from Castlereagh?
BHD to SOU covers about 316 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from BHD to SOU?
Aer Lingus is currently the only airline flying BHD to SOU nonstop. 2LNR tracks confirmed upgrade and award space on every Aer Lingus departure.
How many flights a week are there from BHD to SOU?
About 22 nonstop flights a week run between Castlereagh and Eastleigh in the current schedule, operated by Aer Lingus. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on BHD to SOU?
Open the BHD to SOU calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Castlereagh to Eastleigh route, and 2LNR will notify you when space opens. It's free to start.

Never miss BHD to SOU upgrade or award space

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