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Travel Guide

Cheap flights to Guam

— GUM
4 May — 11 May1
1 adult

Flights to Guam in 2025

Find the latest flights to Guam in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 29 April 2025.

Popular in

October

Cheapest in

June

Average price

£959
Highest demand for flights based on searches. 3% potential increase in price (£23 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£12 potential savings vs. average return price).
Average for return flights in April 2025

Best time to book a flight to Guam

Have a flexible travel schedule? Discover the best time to fly to Guam with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight to Guam

How long is the flight to Guam?

On average, a flight from London to Guam takes 30 hours 2 minutes. Flights to Guam from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

What are the cheapest airlines that fly to Guam?

The cheapest airline flying from London to Guam is Japan Airlines.

Rainfall in Guam by month

Plan your trip to Guam by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Guam ranges from 65.0 - 365.0 inches per month. August is typically the wettest month, when rainfall can reach 365.0 mm. March is typically the driest time to visit Guam when rainfall is around 65.0 mm.

Temperature in Guam by month

Plan your trip to Guam by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Guam, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).

FAQs about flying to Guam

Guam airport overview

Guam International Airport, officially known as Antonio B. Won Pat International Airport, is situated on the central part of the north coast of Guam. Everything is close by in Guam and the airport is no exception: it’s a mere 5km (3 miles) east of Agana (Hagatna), the capital city of Guam.

Guam International Airport was originally used as a military airport during World War II. In 1992, the first passenger terminal at the airport began to operate as travellers started to realise that Guam had more to offer in terms of beaches, sun and sea. The terminal consists of three levels: arrivals go through the basement level of the terminal, the second floor is mostly admin and the departure gates are located on the third floor.

The airport has served as the perfect base in Micronesia for Continental Airlines. The Antonio B. Won Pat International Guam Airport also serves ANA, China Airlines, Northwest Airlines and Japan Air Lines. Asia Pacific airlines also use the airport as a hub and operate many flights to Guam International. There are regular flights to Antonio B. Won Pat International Guam Airport for holidaymakers travelling from Australia, Japan, South Korea, the Philippines, China and the United States.

Guam is a US overseas territory and the airport took its name from Antonio Borja Won Pat, a citizen of Guam, who was the first delegate to represent Guam in the US House of Representatives. The island is popular with tourists searching for an island getaway.

  • Can I find cheaper flights to Guam if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Guam on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Guam?

    Based on reviews from Cheapflights users, Japan Airlines is rated the highest out of the airlines that fly to Guam.

  • Where does the fastest flight to Guam depart from?

    For those looking to save time traveling to Guam, London offers the quickest one-way flight (27 hours 35 minutes).

  • Does Tamuning Guam Intl have car hire?

    Yes. Those touching down at Tamuning Guam Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Tamuning Guam Intl?

    Yes. Tamuning Guam Intl has hotels nearby for those requiring accommodations. Mai'Ana Airport Plaza is the closest property to Tamuning Guam Intl (0.0 mi away from Tamuning Guam Intl).

See more FAQs

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Why should you use Cheapflights to find cheap flight tickets to Guam?

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Can Cheapflights find flights to Guam with no change fees?

Yes, we can. To see specific flights to Guam with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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Not ready to book yet? You can track prices for flights to Guam on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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