Airline guide

Aer LingusIATA code EI
Baggage allowances, fare rules, check-in cut-offs and contact details for Aer Lingus. Policy figures are read from Aer Lingus’s own published pages and each one shows where it came from and when we checked it.
- Home country
- Ireland
- Destinations
- 72 in 25 countries
- Route data Jul 2026
Aer Lingus at a glance
Cabin bag size
- Cabin bag size
- 55 x 40 x 24 cm
Verified 6 Oct 2026aerlingus.com (opens in a new tab)Full rules: Cabin bag sizeCabin bag weight
- Economy
- 10 kg (22 lbs) carry-on bag included on transatlantic flights; fee or AerSpace/AerClub on European flights
- Business & First
- 10 kg carry-on bag + 1 personal item included (Business Class / AerSpace)
Verified 6 Oct 2026aerlingus.com (opens in a new tab)Full rules: Cabin bag weightChecked bag
- Economy
- 1 piece up to 20 kg (44 lbs) or 25 kg (55 lbs) included on Smart/Flex fares; Saver fare checked bag available for fee
Verified 6 Oct 2026aerlingus.com (opens in a new tab)Full rules: Checked bagOnline check-in
- Online check-in opens
- 48 hours before departure (24 hours for US flights)
Verified 6 Oct 2026aerlingus.com (opens in a new tab)Full rules: Online check-inAirport check-in closes
- Domestic
- 45 minutes before departure
- International
- 75 minutes before departure for US flights (60 minutes for European flights)
Verified 6 Oct 2026aerlingus.com (opens in a new tab)Full rules: Airport check-in closesCustomer service
- Customer service phone
- +353-1-886-8888
Verified 5 Oct 2026aerlingus.com (opens in a new tab)Full rules: Customer service
Aer Lingus carry-on baggage allowance
| Cabin | Carry-on weight |
|---|---|
| Economy | 10 kg (22 lbs) carry-on bag included on transatlantic flights; fee or AerSpace/AerClub on European flights |
| Business & First | 10 kg carry-on bag + 1 personal item included (Business Class / AerSpace) |
- Cabin bag size
- 55 x 40 x 24 cm
Aer Lingus checked baggage allowance
| Cabin | Checked allowance |
|---|---|
| Economy | 1 piece up to 20 kg (44 lbs) or 25 kg (55 lbs) included on Smart/Flex fares; Saver fare checked bag available for fee |
| Business | 2 pieces up to 32 kg (70 lbs) each included (Business Class) |
| First | 2 pieces up to 32 kg (70 lbs) each included (Business Class) |
What Aer Lingus’s cheapest fare includes
- Lowest fare
- Saver, Plus, Advantage, AerSpace, Business
- Seat selection
- Included in Plus, Advantage, AerSpace, and Business; fee applies on Saver until check-in.
- Changes and cancellations
- Saver non-refundable; Plus and Advantage allow change without fee (fare diff applies); AerSpace & Business fully flexible.
Aer Lingus cabins and aircraft
Choose a seat by location and legroom, or accept a free seat assignment at check-in. Use your flight seat map because options vary with the aircraft.
- Seat options
- Standard Economy, Smart Economy, AerSpace (premium seating with middle seat free), Business Class (lie-flat on A321neo LR & A330).
- Verified 6 Oct 2026aerlingus.com (opens in a new tab)
- Reserved or random
- Fee-based advance seat reservation on Saver; included on Plus/Advantage/AerSpace/Business; free assignment at check-in.
- Verified 6 Oct 2026aerlingus.com (opens in a new tab)
- Family seating
- Aer Lingus automatically seats children under 12 with an accompanying adult free of charge.
- Verified 6 Oct 2026aerlingus.com (opens in a new tab)
If your Aer Lingus flight is delayed or cancelled
These are standards published by the carrier for delays and cancellations. On codeshares or interline itineraries, the operating carrier is responsible.
- Care
- Meals, refreshments, communication, and hotel lodging for overnight delays under EU 261 / Irish CAR rules.
- Rebooking and refunds
- Full refund or rebooking to final destination for flight cancellations or delays >5 hours.
- Compensation
- EU 261 statutory compensation (€250 to €600) for airline-caused delays >3 hours or cancellations.
Aer Lingus check-in times and airport cut-offs
- Online check-in opens
- 48 hours before departure (24 hours for US flights)
- Verified 6 Oct 2026aerlingus.com (opens in a new tab)
- Domestic check-in closes
- 45 minutes before departure
- Verified 6 Oct 2026aerlingus.com (opens in a new tab)
- International check-in closes
- 75 minutes before departure for US flights (60 minutes for European flights)
- Verified 6 Oct 2026aerlingus.com (opens in a new tab)
How to contact Aer Lingus
- Customer service phone
- +353-1-886-8888
Where Aer Lingus flies
Source: Originfacts route-network dataset, built from TravelPayouts route data (updated 2026-07). Not verified by hand.
We track 218 Aer Lingus routes serving 72 destinations across 25 countries.
- Destinations
- 72
- Countries
- 25
- Routes tracked
- 218
- Longest route
- 6,543 km
Busiest markets by route count
A market may include more than one airport.
Longest route in the dataset
6,543 km great-circle distance between the two airports.
Common questions about flying Aer Lingus
What size cabin bag can I take on Aer Lingus?
According to Aer Lingus’s own website (aerlingus.com, checked 6 Oct 2026): 55 x 40 x 24 cm.
How heavy can my Aer Lingus carry-on bag be?
According to Aer Lingus’s own website (aerlingus.com, checked 6 Oct 2026): 10 kg (22 lbs) carry-on bag included on transatlantic flights; fee or AerSpace/AerClub on European flights.
What is the Aer Lingus Economy checked baggage allowance?
According to Aer Lingus’s own website (aerlingus.com, checked 6 Oct 2026): 1 piece up to 20 kg (44 lbs) or 25 kg (55 lbs) included on Smart/Flex fares; Saver fare checked bag available for fee.
When can I check in online with Aer Lingus?
According to Aer Lingus’s own website (aerlingus.com, checked 6 Oct 2026): 48 hours before departure (24 hours for US flights).
When does Aer Lingus check-in close for domestic flights?
According to Aer Lingus’s own website (aerlingus.com, checked 6 Oct 2026): 45 minutes before departure.
When does Aer Lingus check-in close for international flights?
According to Aer Lingus’s own website (aerlingus.com, checked 6 Oct 2026): 75 minutes before departure for US flights (60 minutes for European flights).
What is the Aer Lingus customer service phone number?
According to Aer Lingus’s own website (aerlingus.com, checked 5 Oct 2026): +353-1-886-8888.
How many destinations does Aer Lingus fly to?
Originfacts tracks 72 Aer Lingus destinations across 25 countries, on 218 routes.
Where is Aer Lingus based?
Aer Lingus is based in Ireland. In the Originfacts route dataset, its busiest market is Dublin, followed by Cork, London and Belfast.
What aircraft appear on Aer Lingus routes?
The routes we hold name Aerospatiale/Alenia ATR 42-300/320, Aerospatiale/Alenia ATR 72, Airbus A319, Airbus A320, Airbus A321, Airbus A330 and Airbus A330-200. That dataset accumulates over time, so treat it as a record of what has flown rather than a current fleet list.
What is the longest Aer Lingus route?
Dublin to Orlando, at 6,543 km.
Sources and verification
Baggage, fare, check-in, disruption and contact figures are published only when they are read from Aer Lingus’s own pages or a named regulator, and each one shows the page and the date it was checked. Where sources disagree we show both and publish neither. Route and destination figures come from the Originfacts route dataset and show its date instead; they are not verified by hand.
- Carry-onVerified 6 Oct 2026
- Checked bagsVerified 6 Oct 2026
- Cheapest fareVerified 6 Oct 2026
- Cabins & aircraftVerified 6 Oct 2026
- Delays & cancellationsVerified 6 Oct 2026
- Check-inVerified 6 Oct 2026
- ContactVerified 5 Oct 2026
- Where they flyRoute data, Jul 2026Originfacts route-network dataset, built from TravelPayouts route data