# Lap Infant Fees on International Flights 2026: When the 10% rule actually applies

Source: https://pointifytravels.com/blog/lap-infant-fees-international-2026
Author: Pointify Research Team
Published: 2026-05-01

> Lap infant fees on international flights 2026: How each major airline charges for infants under 2. Lufthansa, Air France, BA, ANA, Singapore, Cathay, Emirates breakdowns and tax minimums.

Most international airlines charge approximately 10% of the adult fare for a lap infant (under 2 years old). But the reality is more complex — some carriers charge fixed amounts, some only taxes, and a few charge full child fares regardless of age. For points travelers, the lap-infant cost can be a meaningful component of the total trip cost. Here is the 2026 picture by major carrier.

## The standard "10% rule"

The IATA-recommended pricing is 10% of the adult fare for an international lap infant. Most major carriers follow this, but with variations:

| Carrier | Lap infant pricing | Approximate cost example (US-Europe biz) |
| --- | --- | --- |
| Lufthansa, SWISS, Austrian | 10% of adult fare + taxes | ~$200-$400 each way |
| Air France-KLM | 10% of adult fare + taxes | ~$200-$400 |
| British Airways | 10% of adult fare + full taxes (incl. UK APD) | ~$280-$500 (UK APD adds ~$80 each way) |
| ANA | 10% of adult fare | ~$150-$300 |
| Singapore Airlines | 10% of adult fare + taxes | ~$200-$400 |
| Cathay Pacific | 10% of adult fare | ~$150-$300 |
| Emirates | 10% of adult fare + taxes (after Sep 2025 adjustment) | ~$250-$500 |
| Etihad | 10% of adult fare | ~$200-$400 |
| Qatar Airways | 10% of adult fare | ~$200-$400 |
| JAL | 10% of adult fare | ~$150-$300 |

## The exceptions

- **US carriers (American, Delta, United, JetBlue, Alaska):** Lap infants on international itineraries usually charged 10% of adult fare on most carriers. Domestic US flights have no lap-infant charge.
- **Some discount carriers (Spirit, Frontier, Allegiant):** Charge a flat fee ($50-$80 per direction) regardless of fare class.
- **Air Canada:** 10% of adult fare on most fare classes; some basic economy fares require the lap infant ticket as a separate purchase.

## The lap-infant award booking pitfall

When booking an award ticket on an airline partner program, the lap-infant ticket may need to be purchased **separately** through a different process:

- **Award booking on Aeroplan (for Lufthansa partner award):** Lap infant ticket is a separate cash purchase through Aeroplan, with the fare calculated as 10% of the equivalent revenue fare on Lufthansa.
- **Award booking on AAdvantage (for Cathay partner award):** Lap infant ticket purchased separately through AA, calculated as 10% of the equivalent revenue.
- **Award booking on Flying Blue (for Air France):** Lap infant tickets bookable through the same award process; charged at adult-fare cash equivalent.

The total cost for a family of 3 (2 adults + 1 lap infant) trans-Atlantic business: 2 award seats + 1 lap-infant ticket. The lap-infant ticket is in addition to the adult seats' carrier-imposed YQ surcharges.

## The "buy the seat" alternative

For longer flights or larger infants (15-23 months), buying a separate seat for the infant + an FAA-approved car seat is often more comfortable than holding them on your lap for 10+ hours. Cost:

- Buying a seat at the same fare class: ~$5,000-$8,000 (in business class) or ~$1,000-$2,000 (in economy)
- Buying a seat at a different fare class (basic economy if available): ~$500-$1,500 economy
- The seat earns the infant's own miles (or doesn't, depending on policy)

For long-haul international (8+ hours), most parents who can afford the additional cost report the separate seat as worthwhile.

## The award booking workflow for families

1. **Book the adults' award seats first.** 2 saver award seats on the same flight via airline partner program.
2. **Confirm the lap infant fare separately.** Call the program (or use the airline's online tool if available) to add the lap infant to the booking.
3. **Verify the fare calculation.** Some programs apply 10% of the lowest revenue fare class (Y class economy), which is dramatically cheaper than 10% of business class.
4. **Pay the lap infant fare in cash.** Lap infant tickets cannot be paid with miles.

## The "fare class" trap

Some carriers calculate lap infant fares based on the original fare class of the adult ticket, not the lowest available class. For example: an Avianca LifeMiles-booked Lufthansa partner award at 63,000 miles each way might trigger a lap infant fare calculation based on Lufthansa's J class business fare ($5,000-$7,000) — meaning the infant fare lands at $500-$700 each way, not $20-$50.

Verify with the carrier or program before booking. If the lap infant fare is calculated as a percentage of business class, it can substantially erode the value of the points redemption.

## Bottom line

Most international airlines charge 10% of the adult fare for a lap infant under 2. On a business class trans-Atlantic award (where the equivalent revenue fare is $5,000-$8,000), the lap infant ticket can run $500-$800 each way — a meaningful added cost that should be factored into the trip budget. For long-haul flights with infants over 12 months, consider buying a separate seat for comfort, even if it means paying a separate cash fare. Verify the lap infant fare calculation before transferring miles, especially on premium-cabin partner awards.

[Plan your family-travel award booking on Pointify →](https://pointifytravels.com/search)

*Last verified by the Pointify research team on May 1, 2026, against current published lap-infant pricing policies for major international carriers. Lap infant fare calculation methods vary by carrier and program; verify with the booking program before purchasing.*

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Published by Pointify Travels (https://pointifytravels.com). Compare cash fares and points prices for any route at https://pointifytravels.com/search.