How long is the flight from Guam to Washington, D.C. Reagan-National Airport?

For as low as $1,633, United Airlines can have you in Washington, D.C. Reagan-National Airport from Guam in 23h 15m. The distance from Guam to Washington, D.C. Reagan-National Airport is about 7920 mi. Both multi-stop and nonstop flights can be found to your destination and back.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

When flying from Guam to Washington, D.C. Reagan-National Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

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

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

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

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

$1,633+ Flights from Guam to Washington, D.C. Reagan-National Airport

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Cheap flight deals from Guam to Reagan-National

Cheapest flights from Guam to Reagan-National
Explore the most affordable flight options available from Guam to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Sat 12/271:00 amGUM - DCA

2 stops36h 50mDelta

Thu 1/294:44 pmDCA - GUM

2 stops39h 21mDelta

Deal found 12/17

$2,193

Tue 12/234:50 pmGUM - DCA

2 stops45h 00mDelta

Sat 1/109:00 amDCA - GUM

2 stops47h 05mDelta

Deal found 12/17

$2,298

Best flights from Guam to Reagan-National
Discover carefully curated flight deals from Guam to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Thu 2/127:40 amGUM - DCA

2 stops23h 15mUnited Airlines

Mon 2/167:59 pmDCA - GUM

2 stops34h 46mUnited Airlines

Deal found 12/15

$1,633

Sat 12/271:00 amGUM - DCA

2 stops36h 50mDelta

Thu 1/294:44 pmDCA - GUM

2 stops39h 21mDelta

Deal found 12/17

$2,193

Sun 3/17:40 amGUM - DCA

2 stops26h 04mUnited Airlines

Fri 3/67:30 amDCA - GUM

2 stops29h 50mUnited Airlines

Deal found 12/17

$1,731

Fri 1/912:30 pmGUM - DCA

2 stops24h 22mUnited Airlines

Thu 1/156:00 amDCA - GUM

2 stops22h 05mUnited Airlines

Deal found 12/17

$2,041

Tue 1/67:40 amGUM - DCA

2 stops21h 09mUnited Airlines

Mon 1/128:25 amDCA - GUM

2 stops28h 55mUnited Airlines

Deal found 12/15

$2,318

Last-minute flights from Guam to Reagan-National
Discover last-minute flight deals from Guam to Reagan-National. Data last updated December 18, 2025 and is based on user searches.

Tue 12/234:50 pmGUM - DCA

2 stops45h 00mDelta

Sat 1/109:00 amDCA - GUM

2 stops47h 05mDelta

Deal found 12/17

$2,298

Sat 12/271:00 amGUM - DCA

2 stops36h 50mDelta

Thu 1/294:44 pmDCA - GUM

2 stops39h 21mDelta

Deal found 12/17

$2,193

Tue 1/67:40 amGUM - DCA

2 stops21h 09mUnited Airlines

Mon 1/128:25 amDCA - GUM

2 stops28h 55mUnited Airlines

Deal found 12/15

$2,318

Fri 1/912:30 pmGUM - DCA

2 stops24h 22mUnited Airlines

Thu 1/156:00 amDCA - GUM

2 stops22h 05mUnited Airlines

Deal found 12/17

$2,041

Find flight deals from Guam to Reagan-National

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Round-trip from	$1,633 (United Airlines)

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

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

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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

TamuningWashington, D.C.

GUM - DCA

GUMDCA

Tamuning Guam Intl

Thu 2/12

7:40 am-3:55 pm

2 stops23h 15m

Washington, D.C. Reagan-National

Mon 2/16

7:59 pm-9:45 pm

2 stops34h 46m

$1,633

TamuningWashington, D.C.

GUM - DCA

GUMDCA

Tamuning Guam Intl

Sun 3/1

7:40 am-6:44 pm

2 stops26h 04m

Washington, D.C. Reagan-National

Fri 3/6

7:30 am-4:20 am

2 stops29h 50m

$1,731

TamuningWashington, D.C.

GUM - DCA

GUMDCA

Tamuning Guam Intl

Fri 1/9

12:30 pm-9:52 pm

2 stops24h 22m

Washington, D.C. Reagan-National

Thu 1/15

6:00 am-7:05 pm

2 stops22h 05m

$2,041

TamuningWashington, D.C.

GUM - DCA

GUMDCA

Tamuning Guam Intl

Sat 12/27

1:00 am-10:50 pm

2 stops36h 50m

Washington, D.C. Reagan-National

Thu 1/29

4:44 pm-11:05 pm

2 stops39h 21m

$2,193

TamuningWashington, D.C.

GUM - DCA

GUMDCA

Tamuning Guam Intl

Tue 1/6

7:40 am-1:49 pm

2 stops21h 09m

Washington, D.C. Reagan-National

Mon 1/12

8:25 am-4:20 am

2 stops28h 55m

$2,318

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

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

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Guam 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 Guam to Washington, D.C. Reagan-National Airport

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Reagan-National

Read reviews from past customers who have flown United Airlines from Guam to Washington, D.C. Reagan-National Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

9,091 reviews

Reviews

1 / 20

4.0

Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

United Airlines

7.4

Good

9,091 reviews

United Airlines

7.4

Good

9,091 reviews

Reviews

1 / 20

4.0

Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Related info for your journey

How long is the flight from Guam to Washington, D.C. Reagan-National Airport?
For as low as $1,633, United Airlines can have you in Washington, D.C. Reagan-National Airport from Guam in 23h 15m. The distance from Guam to Washington, D.C. Reagan-National Airport is about 7920 mi. Both multi-stop and nonstop flights can be found to your destination and back.
Can I find deals for flights from Guam to Reagan-National that include hotel bookings?
Yes. In addition to deals on Guam to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Guam to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Guam to Reagan-National.
Can I find deals for business class flights from Guam to Reagan-National?
Yes. Cheapflights offers flight deals from Guam to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Guam to Reagan-National

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Top airline flying from Guam to Reagan-National

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$1,684	Average$1,967	FlexibilityNo cancel fee	On-time69%

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$1,633+ Cheap flights from Guam to Reagan-National (DCA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Guam to Reagan-National with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Guam to Reagan-National

Cheapest flights from Guam to Reagan-NationalExplore the most affordable flight options available from Guam to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Explore the most affordable flight options available from Guam to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Find flight deals from Guam to Reagan-National

Keep the following information in mind while searching for Guam to Reagan-National flight deals. Data was last updated December 18, 2025.

Most accurate provider

Most trusted provider

Round-trip from

Cheapflights Fare Finder

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

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

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

Cheapflights Insights

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

Reviews of airlines servicing Reagan-National

Read reviews from past customers who have flown United Airlines from Guam to Washington, D.C. Reagan-National Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How long is the flight from Guam to Washington, D.C. Reagan-National Airport?

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

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

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

Traveling to a place near Washington, D.C. Reagan-National Airport?

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 Guam to Reagan-National

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Top airline flying from Guam to Reagan-National

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Cheapest flights from Guam to Reagan-National
Explore the most affordable flight options available from Guam to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.