How to Travel with Breastmilk

Travelling with a baby can already feel like packing for a small expedition, and bringing breastmilk along adds another layer of planning. Whether you are heading away for a weekend break, a family holiday or flying with breastmilk, knowing how to store, thaw and warm breastmilk safely can make feeding on the go feel far less stressful.

This guide covers everything you need to know about travelling with breastmilk, including safe storage, thawing frozen milk, and warming breastmilk on the go.

1. Building Your Supply Before You Travel

Start adjusting your pumping schedule a few weeks before your departure to avoid a last-minute rush. Pumping around an hour after your baby's first morning feed tends to produce the highest volume of milk. Building a steady pumping routine in the weeks before you travel can help you build a comfortable supply without the stress of last-minute pumping.

Best Practices for Storing Breastmilk

According to the NHS guidelines on expressing and storing milk, breastmilk can be kept safely for months if stored correctly. Follow these rules to prepare your travel supply:

• Know your storage temperatures and time limits:
  • In the fridge: Up to 8 days at 4°C or lower. If you are not sure of your fridge's temperature, or if it is above 4°C, use the milk within 3 days.
  • In an ice compartment: Up to 2 weeks inside a fridge ice compartment.
  • In the freezer: Up to 6 months, provided it is -18°C or lower.
  • In a cool bag: Breastmilk cooled in the fridge can be carried in a cool bag with ice packs for up to 24 hours.
• Freeze in small portions: Freeze milk in manageable amounts, usually around 60-120ml.
• Label everything: Mark every container with the date and time it was expressed. This makes thawing simpler, reduces waste and means you always use the oldest milk first.

2. Thawing Frozen Breastmilk Safely

Knowing how to thaw breastmilk correctly helps preserve its vital nutrients. When you are travelling, you have a few reliable options for preparing feeds safely, depending on the facilities available to you.

Thawing Breastmilk in the Fridge

If you have access to a fridge while travelling, move frozen breastmilk into the fridge the night before you need it. This allows the milk to thaw gradually at a safe, consistent temperature. Thawed breastmilk should be used within 24 hours, and it is always best to use the oldest milk first.

Thawing Breastmilk in Warm Water

If you need to use the breastmilk quickly, you can thaw it by placing it in warm water. Fill a bowl with warm water and make sure the water is below the baby’s body temperature (around 37°C). Place the sealed container of frozen breastmilk into the water. Keep the container sealed throughout the process to prevent contamination. If the thawed breastmilk has separated while thawing, this is completely normal. Gently swish the container back and forth until the milk has come back together.

Thawing Breastmilk Using a Bottle Warmer

Bottle warmers can be one of the easiest ways to thaw frozen breastmilk while travelling. The Baby Brezza Bottle and Breastmilk Warmer uses a gradual warming method to heat milk evenly, helping preserve important nutrients. Compared with thawing in a bowl of water, it offers a more consistent way to prepare feeds, particularly when travelling with limited facilities. If you are travelling within the UK and have space to bring one along, the Baby Brezza Bottle and Breastmilk Warmer can make preparing bottles far more convenient.

Important Safety Note: Never use a microwave to thaw or warm up breastmilk, as this can create hot spots in the milk and burn the baby’s mouth and throat, as well as destroy the nutrients in the milk.

3. Warming Breastmilk on the Go

Warming breastmilk on the go can often be one of the more challenging parts of travelling with a baby. While cafés, restaurants and airports may be able to provide warm water for bottles, it can be difficult to judge whether the milk has warmed evenly throughout.

A portable bottle warmer makes the process much simpler by allowing you to warm bottles wherever you are, without relying on external facilities. The Baby Brezza SuperFast Portable Bottle Warmer is especially useful for travel because it warms milk gradually and allows you to monitor the temperature throughout. Compact enough to fit into your bag, it can make feeds while travelling feel much more manageable.

4. Pumping While You're Away

Keeping on top of pumping away from home can feel like an added pressure, but sticking to your usual schedule as closely as possible makes a real difference. Pumping at the same times each day helps your body maintain milk supply and makes the transition back to your normal routine much smoother when you return home. If you are still in the process of establishing your supply, aim for a session roughly every three hours, which helps prevent engorgement and keeps everything consistent while you are away.

5. How to Keep Breastmilk Frozen While Travelling

Keeping breastmilk frozen on the go starts with having the right equipment. A high-quality insulated cool bag with an airtight seal is essential, and it is worth investing in a good one before your trip. Fill any gaps around the bottles with frozen ice packs to maintain an even temperature below 0°C, and pre-freeze your bottles the night before you pack them to give yourself the best possible start. If the milk rises above chilled temperatures for an extended period, it may no longer be safe to use, so keep the bag sealed as much as possible and resist the temptation to open it unnecessarily while you are on the move.

If you are packing breastmilk in checked luggage, distribute ice packs evenly throughout the bag to protect every bottle, and label it clearly so it is easy to identify at security. Once you reach your destination, transfer the milk straight to a freezer or fridge without delay.

Travelling with breastmilk can feel overwhelming at first, especially when trying to manage storage, thawing and feeds while away from home. However, with the right preparation and a few reliable tools, travelling with pumped milk quickly becomes far more manageable. Whether you are taking a short trip or flying with breastmilk abroad, planning ahead can help make feeding your baby feel much less stressful wherever you go.

FAQs

How long does breastmilk last in a cool bag?

As mentioned above, breastmilk can last for up to 24 hours in a cool bag with frozen ice blocks. The milk should be transferred to a fridge or freezer as soon as you arrive at your destination (Breastfeeding Network).

How long can I store breastmilk at room temperature if there is no fridge?

As long as the breastmilk has been recently expressed, it can be kept at room temperature for up to 6 hours (Breastfeeding Network).

Can I refreeze previously frozen and then thawed breastmilk?

No, once breastmilk has been completely thawed, it must never be refrozen (NHS).

Can You Fly With Breastmilk in the UK?

Yes. According to UK Government regulations, you can carry breastmilk in your hand luggage even if you are travelling without your baby. You must declare the milk to airport security staff before your bags are screened. Note that frozen breastmilk is not permitted in hand luggage and must be placed in your checked hold luggage.

Can I take the Baby Brezza SuperFast Portable Warmer on an aeroplane?

The Baby Brezza SuperFast Portable Bottle Warmer is designed with portability in mind and is completely safe to bring on an aeroplane. Airport security may ask to inspect electronic devices, so packing them somewhere easily accessible will save you any hold-ups.

Before you travel, fully charge the warmer. Since it is wireless once charged, you can warm bottles mid-flight, during stopovers or anywhere else along the way without needing a plug socket. If you are travelling internationally, bear in mind that charging performance may vary depending on voltage differences and the compatibility of your plug adapter with your destination country's plugs.

Related Products