Ask question

This is NOT an official government website. We are an independent resource providing information and assistance to travelers.

What is the best and cheapest SIM card for using with unlocked iPhones while touring Southeast Asia, Korea, India, Vietnam, and the US?

SIM cards eSIM Thailand Korea India Vietnam USA RedTeaGo Airalo travel unlocked phones

May 15, 2025

2 days ago

ORIGINAL POSTER

What is the best and cheapest sim card to use with 2 unlocked iphones for a couple touring multiple countries in southeast asia, in particular 5 months in Thailand, 2 months in Korea, 2 months in India, 2 months in Vietnam, 1 month in the US?

78

views

0

likes

1

all likes

1

replies

0

images

2

users

TLDR : Answer Summary

The post discusses the best and cheapest SIM card options for a couple using unlocked iPhones while touring Southeast Asia and other countries. A recommendation for RedTeaGo is given for use in Southeast Asia, and Airalo for China, with a suggestion to consider eSIM options for convenience.

Pelle Eriksson

Pelle Eriksson★★★★★

Absolutely Bangkok's best service I highly...

recently on Facebook

Luca G.

Luca G.★★★★★

I used this agency for my DTV Visa...

recently on Google

Trusted Thai Visa Agent

OVER 100,000 EXPATS SERVED

#1 VISA AGENT IN THAILAND

Cesar *******

Check for eSims. In South East Asia I use RedTeaGo, works well and its inexpensive. For China, go for Airalo.

Like

Reply

Reply to

Cesar *******

Reply

Thai Visa Advice and Everything Else

... members · 60% approval rate

The Thai Visa Advice And Everything Else group allows for a broad range of discussions on life in Thailand, beyond just visa inquiries.

Thai Visa Advice and Everything Else

View the Conversation

Thai Visa Advice and Everything Else

What are the best Thai SIM options for long-term expats in Thailand: AIS, True Move H, or DTAC?

13 comments

17 days ago

What is the best SIM card for a one-month stay in Thailand, and can it be reused during subsequent visits?

26 comments

18 days ago

What is the best eSIM option for a 5-week stay in Thailand?

10 comments

a month ago

What is the best eSIM for Thailand and Ko Samui in terms of coverage?

7 comments

4 months ago

What is the best eSIM option for an Australian traveler frequently visiting Thailand?

5 comments

6 months ago

What are the best options for maintaining a US phone number while living in Thailand?

21 comments

6 months ago

What are the best mobile plans for a 20-day stay in Thailand?

38 comments

7 months ago

What are the best options for purchasing a SIM card in Thailand for international use?

18 comments

7 months ago

What is the best SIM card option for a 4-month stay in Thailand with a lot of data?

50 comments

7 months ago

What are my options for using a new phone with both US and Thai SIM cards, especially considering eSIM technologies?

64 comments

7 months ago

What are the best SIM/eSIM options for Thailand, and can I use them in Cambodia and Vietnam as well?

20 comments

7 months ago

What are the best eSIM options for traveling across Thailand, Vietnam, Laos, Indonesia, the Philippines, and Cambodia?

12 comments

7 months ago

What is the best phone for seamless international calling between the USA and Thailand?

53 comments

a year ago

What are the best phone service options for expats visiting Thailand for two weeks?

18 comments

a year ago

How do E-sim apps work for international travel and can I keep my WhatsApp number if I cancel my home country contract?

8 comments

a year ago

What eSIMs are recommended for use in Thailand?

18 comments

a year ago

What is the best pay-as-you-go SIM card in Thailand for long-term use?

20 comments

2 years ago

What are the best SIM card options for a two-month stay in Thailand?

15 comments

2 years ago

What are the best SIM card options for Koh Phangan and how do they work?

26 comments

3 years ago

What are the best SIM card options for phone service in America for expats traveling from Thailand?

5 comments

3 years ago

What are the best mobile options and SIM card plans for short-term stays in Thailand?

10 comments

3 years ago

What is the best SIM card for four weeks in Thailand with Internet included?

6 comments

3 years ago

What SIM card should I buy for 180 days in Thailand: TrueMove, AIS, or Dtac?

38 comments

3 years ago

What is the best Thai SIM card for expats on holiday that offers good data for apps like WhatsApp?

25 comments

4 years ago

What is the best cannabis dispensary in Bangkok?

7 comments

a month ago

Where can I find the best cannabis dispensary in Chon Buri?

9 comments

a month ago

What are the best dispensaries in Phuket?

21 comments

a month ago

What is the best cannabis dispensary in Surat Thani?

16 comments

a month ago

Where can I find the best weed in Chiang Mai?

8 comments

a month ago

Data protection policy Terms and conditions Disclaimer Privacy policy Refund policy

The asq:thailand community, consisting of multiple Q/A groups with over 100,000 members, powers this platform. It is not an official government resource. Our members actively contribute to this resource, and while we strive for accuracy, we cannot guarantee its complete reliability. Assistance to travelers is provided as a community service.