HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Guam

$1,127+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — GUM
Jul 1 — Jul 81
Wed 7/1
Wed 7/8
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Reagan-National to Guam with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 June 1, 2026.

This United Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:30 am
DCA
-
GUM
2 stops21h 35m
United Airlines
Tue 9/297:10 am
GUM
-
DCA
3 stops24h 38m
United Airlines
Deal found 5/27$1,919
This Delta deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:42 pm
DCA
-
GUM
2 stops35h 53m
Delta
Tue 9/155:20 pm
GUM
-
DCA
2 stops43h 44m
Delta
Deal found 5/27$1,983
This United Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:10 pm
DCA
-
GUM
2 stops31h 55m
United Airlines
Tue 9/157:10 am
GUM
-
DCA
3 stops24h 59m
United Airlines
Deal found 5/27$2,019
This United Airlines deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:30 am
DCA
-
GUM
2 stops21h 35m
United Airlines
Sat 9/267:35 pm
GUM
-
DCA
2 stops39h 08m
United Airlines
Deal found 5/28$2,042
This United Airlines deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:10 pm
DCA
-
GUM
2 stops31h 55m
United Airlines
Sun 8/307:05 am
GUM
-
DCA
3 stops25h 04m
United Airlines
Deal found 5/28$2,069
This Delta deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:45 pm
DCA
-
GUM
2 stops37h 10m
Delta
Sun 9/135:20 pm
GUM
-
DCA
2 stops43h 18m
Delta
Deal found 5/29$2,083
This United Airlines deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:00 am
DCA
-
GUM
2 stops22h 05m
United Airlines
Sun 9/137:10 am
GUM
-
DCA
3 stops24h 59m
United Airlines
Deal found 5/29$2,119
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:00 am
DCA
-
GUM
2 stops22h 05m
United Airlines
Mon 9/217:10 am
GUM
-
DCA
3 stops24h 59m
United Airlines
Deal found 5/31$2,229
This United Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:30 am
DCA
-
GUM
2 stops21h 35m
United Airlines
Sat 9/267:10 am
GUM
-
DCA
3 stops24h 38m
United Airlines
Deal found 5/27$2,279
This United Airlines deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:00 am
DCA
-
GUM
2 stops22h 05m
United Airlines
Fri 9/187:10 am
GUM
-
DCA
3 stops24h 59m
United Airlines
Deal found 5/29$2,304
This United Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:30 am
DCA
-
GUM
2 stops21h 35m
United Airlines
Tue 7/217:05 am
GUM
-
DCA
3 stops25h 06m
United Airlines
Deal found 5/30$2,359

Find 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 June 1, 2026.

Round-trip from

$1,919
(United Airlines)

One-way from

$1,127
(Kiwi.com)

Popular in

April

Cheapest in

February

Average price

$2,421
From Washington, D.C. Reagan-National to Guam
Search Deals
One-way flight from Washington, D.C. Reagan-National to Guam
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($218 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($63 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Guam that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 1, 2026.
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

Cheapest round-trip
Quickest round-trip

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Tue 9/22

6:30 am-6:05 pm

2 stops21h 35m

Tamuning Guam Intl

Tue 9/29

7:10 am-5:48 pm

3 stops24h 38m

$1,919

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Tue 9/1

1:42 pm-3:35 pm

2 stops35h 53m

Tamuning Guam Intl

Tue 9/15

5:20 pm-11:04 pm

2 stops43h 44m

$1,983

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Tue 9/1

8:10 pm-6:05 pm

2 stops31h 55m

Tamuning Guam Intl

Tue 9/15

7:10 am-6:09 pm

3 stops24h 59m

$2,019

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Sun 9/20

6:30 am-6:05 pm

2 stops21h 35m

Tamuning Guam Intl

Sat 9/26

7:35 pm-8:43 pm

2 stops39h 08m

$2,042

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Tue 9/1

6:30 am-6:05 pm

2 stops21h 35m

Tamuning Guam Intl

Fri 9/11

7:10 am-6:29 pm

2 stops25h 19m

$2,069

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Fri 8/28

6:00 am-6:05 pm

2 stops22h 05m

Tamuning Guam Intl

Sun 9/13

7:10 am-6:09 pm

3 stops24h 59m

$2,119

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Thu 9/17

6:30 am-6:05 pm

2 stops21h 35m

Tamuning Guam Intl

Mon 9/21

7:10 am-9:05 pm

2 stops27h 55m

$2,229
Cheapest one-way

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Sat 8/29

5:00 pm-3:35 am

2 stops44h 35m

$1,137

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Sun 8/30

8:00 am-3:35 am

3 stops29h 35m

$1,172

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Mon 6/8

5:19 pm-1:00 am

3 stops41h 41m

$1,448

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/29

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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

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.

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

    A quick flight from Washington, D.C. Reagan-National Airport to Guam can take about 21h 35m. United Airlines provides one of the quickest options available for as low as $1,919. Washington, D.C. Reagan-National Airport and Guam are separated by a distance of 7920 mi. This flight may include one or multiple stops.

  • 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.

See more FAQs

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.