What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Guam?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Guam (average of $1,977). Flying from Washington, D.C. Reagan-National Airport to Guam in May is currently the most expensive (average of $2,214). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Guam?

February is one of the best times of the year to fly to Guam from Washington, D.C. Reagan-National Airport. Prices for February average $2,257 per person but you can even find prices for as low as $1,214. The most expensive prices can be found in the month of August. Opting for a February flight can save you 16% on your journey compared to booking in August

What is the cheapest time of day to fly from DCA to GU?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Guam as you normally would.

Can I find deals for flights from Reagan-National to Guam that include hotel bookings?

Yes. In addition to deals on Reagan-National to Guam flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Reagan-National to Guam?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Guam.

Can I find deals for business class flights from Reagan-National to Guam?

Yes. Cheapflights offers flight deals from Reagan-National to Guam by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$2,191+ Flights from Washington, D.C. Reagan-National Airport to Guam

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Cheap flight deals from Reagan-National to Guam

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$2,313 (Delta)
One-way from	$1,612 (Delta)
Popular in	August
Cheapest in	February
Average price	$2,042

Provider with most accurate pricing for Washington, D.C. (WAS)-Tamuning Guam Intl flight deals.

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From Washington, D.C. Reagan-National to Guam

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One-way flight from Washington, D.C. Reagan-National to Guam

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Highest demand for flights based on searches. 5% potential increase in price ($126 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($34 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Find flight deals from Reagan-National to Guam

Cheapest flights from Reagan-National to Guam
Explore the most affordable flight options available from Reagan-National to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Sat 8/27:00 amDCA - GUM

2 stops42h 45mUnited Airlines

Sat 8/97:15 amGUM - DCA

2 stops28h 12mUnited Airlines

Deal found 4/29

$2,138

Sun 6/86:10 amDCA - GUM

2 stops43h 05mDelta

Sun 6/155:00 pmGUM - DCA

2 stops44h 22mDelta

Deal found 4/29

$2,313

Best flights from Reagan-National to Guam
Discover carefully curated flight deals from Reagan-National to Guam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

Sun 6/86:10 amDCA - GUM

2 stops43h 05mDelta

Sun 6/155:00 pmGUM - DCA

2 stops44h 22mDelta

Deal found 4/29

$2,313

Wed 5/287:00 amDCA - GUM

2 stops24h 45mUnited Airlines

Wed 6/47:15 amGUM - DCA

2 stops21h 50mUnited Airlines

Deal found 4/28

$2,320

Last-minute flights from Reagan-National to Guam
Discover last-minute flight deals from Reagan-National to Guam. Data last updated April 29, 2025 and is based on user searches.

Wed 5/1412:10 pmDCA - GUM

2 stops37h 05mDelta

Sun 5/255:00 pmGUM - DCA

2 stops36h 59mDelta

Deal found 4/29

$2,378

Sat 5/177:00 amDCA - GUM

2 stops31h 25mUnited Airlines

Sat 5/247:00 amGUM - DCA

2 stops22h 05mUnited Airlines

Deal found 4/29

$2,552

One-way flights from Reagan-National to Guam
Search for one-way flight options from Reagan-National to Guam. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Mon 6/233:59 pmDCA - GUM

2 stops33h 16mDelta

Deal found 4/28

$1,612

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Guam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Sun 6/8

6:10 am-3:15 pm

2 stops43h 05m

Tamuning Guam Intl

Sun 6/15

5:00 pm-11:22 pm

2 stops44h 22m

$2,313

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Tue 6/3

7:25 am-6:05 pm

2 stops20h 40m

Tamuning Guam Intl

Mon 6/23

7:15 am-6:55 pm

2 stops25h 40m

$2,357

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Mon 6/23

6:59 am-3:15 pm

2 stops42h 16m

$1,612

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Best time to book a flight from Reagan-National to Guam

Have a flexible travel schedule? Discover the best time to fly to Guam from Reagan-National with our price prediction graph.

Estimated round-trip 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 from Washington, D.C. Reagan-National Airport to Guam

Rainfall in Guam by month

In terms of precipitation, rainfall in Guam ranges from 2.6 - 14.4 inches per month. August is typically the wettest month, when rainfall can reach 14.4 in. March is typically the driest time to visit Guam when rainfall is around 2.6 in.

Temperature in Guam 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 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

Reviews of airlines servicing Guam

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,936 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Can I find deals for flights from Reagan-National to Guam that include hotel bookings?
Yes. In addition to deals on Reagan-National to Guam flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Guam?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Guam.
Can I find deals for business class flights from Reagan-National to Guam?
Yes. Cheapflights offers flight deals from Reagan-National to Guam by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Guam?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Guam (average of $1,977). Flying from Washington, D.C. Reagan-National Airport to Guam in May is currently the most expensive (average of $2,214). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Reagan-National to Guam

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$2,044	Average$2,277	FlexibilityNo cancel fee	On-time69%

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$1,612+ Cheap flights from Reagan-National (DCA) to Guam

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Guam with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Reagan-National to Guam

Keep the following information in mind while searching for Reagan-National to Guam flight deals. Data was last updated April 29, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Reagan-National to Guam

Cheapest flights from Reagan-National to GuamExplore the most affordable flight options available from Reagan-National to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Explore the most affordable flight options available from Reagan-National to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Guam that are best for you.

Best time to book a flight from Reagan-National to Guam

Have a flexible travel schedule? Discover the best time to fly to Guam from Reagan-National with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Guam

Rainfall in Guam by month

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

Temperature in Guam by month

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

Reviews of airlines servicing Guam

Get insights into the airlines that provide service to Guam. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Guam. Reviews last updated April 29, 2025.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Guam. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Reagan-National to Guam that include hotel bookings?

How can I find direct flights from Reagan-National to Guam?

Can I find deals for business class flights from Reagan-National to Guam?

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Guam?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Reagan-National to Guam

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Reagan-National to Guam

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Reagan-National to Guam
Explore the most affordable flight options available from Reagan-National to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.