HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Tamuning

$1,538+ Cheap flights from Reagan-National (DCA) to Tamuning (GUM)

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — GUM
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Reagan-National to Tamuning 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 Tamuning

Cheapest flights from Reagan-National to Tamuning
Explore the most affordable flight options available from Reagan-National to Tamuning. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/28. 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.
Tue 2/105:59 pm
DCA
-
GUM
2 stops43h 21m
United Airlines
Fri 2/137:40 am
GUM
-
DCA
3 stops28h 16m
United Airlines
Deal found 1/28$1,598
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Wed 9/233:30 pm
DCA
-
GUM
3 stops58h 20m
United Airlines
Sun 9/277:10 am
GUM
-
DCA
2 stops20h 29m
United Airlines
Deal found 1/26$1,708
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Mon 5/47:59 pm
DCA
-
GUM
2 stops32h 06m
United Airlines
Wed 5/137:05 am
GUM
-
DCA
2 stops30h 53m
United Airlines
Deal found 1/27$1,919
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 5/276:30 am
DCA
-
GUM
2 stops21h 35m
United Airlines
Thu 6/187:05 am
GUM
-
DCA
2 stops20h 34m
United Airlines
Deal found 1/27$1,969
This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:30 pm
DCA
-
GUM
2 stops28h 45m
Delta
Tue 9/155:00 pm
GUM
-
DCA
2 stops44h 24m
Delta
Deal found 1/28$1,984
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Sat 4/46:00 am
DCA
-
GUM
2 stops22h 05m
United Airlines
Sat 4/1112:55 pm
GUM
-
DCA
2 stops23h 20m
United Airlines
Deal found 1/28$2,201
This United Airlines deal was found by Cheapflights users on 1/29. 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.
Sun 3/227:59 pm
DCA
-
GUM
2 stops32h 51m
United Airlines
Thu 3/267:25 am
GUM
-
DCA
2 stops21h 34m
United Airlines
Deal found 1/29$2,229
This United Airlines deal was found by Cheapflights users on 1/28. 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 3/157:59 pm
DCA
-
GUM
2 stops32h 51m
United Airlines
Sat 3/217:25 am
GUM
-
DCA
2 stops28h 20m
United Airlines
Deal found 1/28$2,279
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Fri 2/276:00 am
DCA
-
GUM
2 stops22h 05m
United Airlines
Fri 3/137:25 am
GUM
-
DCA
2 stops30h 25m
United Airlines
Deal found 1/28$2,329
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Mon 6/16:30 am
DCA
-
GUM
2 stops21h 35m
United Airlines
Fri 6/57:05 am
GUM
-
DCA
3 stops25h 07m
United Airlines
Deal found 1/27$2,409
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Wed 2/116:00 am
DCA
-
GUM
2 stops22h 05m
United Airlines
Fri 2/207:40 am
GUM
-
DCA
3 stops28h 16m
United Airlines
Deal found 1/28$2,479

Find flight deals from Reagan-National to Tamuning

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Tamuning (GUM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,598
(United Airlines)

One-way from

$1,538
(Delta)

Popular in

April

Cheapest in

February

Average price

$2,197
Provider with most accurate pricing for Washington, D.C. Reagan-National-Tamuning Guam Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Tamuning Guam Intl flights.
Search Deals
From Washington, D.C. Reagan-National to Tamuning Guam Intl
Search Deals
One-way flight from Washington, D.C. Reagan-National to Tamuning Guam Intl
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($477 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($104 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Tamuning 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 January 29, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Tamuning that are best for you.

Fly from

Reagan-National

Fly to

Tamuning

Route

Depart

Return

Price

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Tue 2/10

5:59 pm-4:20 am

2 stops43h 21m

Tamuning Guam Intl

Fri 2/13

7:40 am-8:56 pm

3 stops28h 16m

$1,598

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Thu 5/28

6:00 am-6:05 pm

2 stops22h 05m

Tamuning Guam Intl

Wed 6/17

7:05 am-1:39 pm

2 stops20h 34m

$1,969

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Wed 5/27

6:30 am-6:05 pm

2 stops21h 35m

Tamuning Guam Intl

Thu 6/18

7:05 am-1:39 pm

2 stops20h 34m

$1,969

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Tue 5/26

7:30 am-6:05 pm

2 stops20h 35m

Tamuning Guam Intl

Wed 6/17

7:05 am-1:39 pm

2 stops20h 34m

$1,969

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Wed 5/27

7:30 am-6:05 pm

2 stops20h 35m

Tamuning Guam Intl

Tue 6/16

7:05 am-5:48 pm

3 stops24h 43m

$1,969

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Wed 5/27

6:30 am-6:05 pm

2 stops21h 35m

Tamuning Guam Intl

Wed 6/17

7:05 am-3:55 pm

2 stops22h 50m

$1,969

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Wed 5/27

7:30 am-6:05 pm

2 stops20h 35m

Tamuning Guam Intl

Mon 6/15

7:05 am-10:08 pm

2 stops29h 03m

$1,969

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Tue 5/26

6:00 am-6:05 pm

2 stops22h 05m

Tamuning Guam Intl

Thu 6/18

7:05 am-8:35 pm

2 stops27h 30m

$1,969

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Tue 5/26

7:30 am-6:05 pm

2 stops20h 35m

Tamuning Guam Intl

Tue 6/16

7:05 am-3:55 pm

2 stops22h 50m

$1,969

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Mon 5/25

7:30 am-6:05 pm

2 stops20h 35m

Tamuning Guam Intl

Thu 6/18

7:05 am-6:25 pm

2 stops25h 20m

$1,969

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 12 results
1
2

Compare providers for flights from Reagan-National to Tamuning

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Tamuning in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Tamuning flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Tamuning flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Tamuning flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Tamuning flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Tamuning flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to Tamuning 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.

Reviews of airlines servicing Tamuning

Get insights into the airlines that provide service to Tamuning. 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 Tamuning. Reviews last updated January 29, 2026.
Peruse reviews from past customers who have flown with United Airlines from Washington, D.C. Reagan-National Airport to Tamuning to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,215 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

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

  • What airport do you fly into for flights to Tamuning from Washington, D.C. Reagan-National?

    Most people fly into Tamuning Guam Intl (GUM) if they book a flight to Tamuning from Washington, D.C. Reagan-National. On average, Guam Intl has 0 inbound flights from Washington, D.C. Reagan-National per day from 1 airline. Tamuning Guam Intl is conveniently located just 1.1 mi from Tamuning’s city center.

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

    Airlines like United Airlines fly from Washington, D.C. Reagan-National Airport to Tamuning in about 43h 21m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 7920 mi.

  • What is the cheapest airline to fly from Washington, D.C. Reagan-National Airport to Tamuning round-trip?

    United Airlines, at $2,010, was found to be the cheapest airline from Washington, D.C. Reagan-National Airport to Tamuning..

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Reagan-National to Tamuning 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.

Alternative routes for Reagan-National to Tamuning

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Tamuning flights
Baltimore to Tamuning flights

Top airline flying from Reagan-National to Tamuning

Discover the top airline that operate flights from Reagan-National to Tamuning. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$2,010Average$2,277FlexibilityNo cancel feeOn-time69%

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.