HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Guam

$1,314+ Cheap flights from Dulles Intl (IAD) to Guam

IAD — GUM
Nov 23 — Nov 301
Mon 11/23
Mon 11/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl 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 Dulles Intl to Guam

Cheapest flights from Dulles Intl to Guam

Mon 12/77:00 am -
2 stops40h 45m
Sun 12/132:40 am -
2 stops41h 55m
Deal found 10/24$1,379
Sat 12/57:00 am -
2 stops41h 05m
Sat 12/124:50 pm -
2 stops51h 45m
Deal found 10/21$1,393
Sun 11/157:05 am -
2 stops40h 40m
Thu 11/194:45 pm -
2 stops62h 28m
Deal found 10/23$2,212
Sat 11/145:17 pm -
2 stops54h 28m
Thu 11/194:45 pm -
2 stops51h 55m
Deal found 10/22$2,245
Mon 12/712:20 pm -
1 stop25h 20m
Mon 12/147:45 am -
2 stops24h 34m
Deal found 10/24$2,254
Sun 11/2910:47 pm -
2 stops29h 13m
Sat 12/57:45 am -
2 stops30h 30m
Deal found 10/22$2,279
Tue 12/158:02 pm -
2 stops31h 58m
Sun 1/177:55 pm -
2 stops38h 57m
Deal found 10/20$2,319
Sat 12/58:35 am -
1 stop19h 25m
Sat 12/127:45 am -
2 stops28h 39m
Deal found 10/21$2,329
Fri 11/2010:47 pm -
2 stops29h 13m
Sun 11/297:45 am -
2 stops40h 04m
Deal found 10/21$2,375
Thu 12/178:30 am -
2 stops43h 30m
Wed 1/137:45 am -
2 stops26h 46m
Deal found 10/20$2,456

Find flight deals from Dulles Intl to Guam

Round-trip from

$1,379
(Expedia)

One-way from

$1,314
(Priceline)
From Washington, D.C. Dulles Intl to Guam
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Guam
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Tamuning

IAD Washington, D.C. Dulles Intl - GUM Tamuning Guam Intl

IADGUM

Washington, D.C. Dulles Intl

Wed 10/28

6:13 am-1:00 am

2 stops28h 47m

Tamuning Guam Intl

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$1,538

Washington, D.C.Tamuning

IAD Washington, D.C. Dulles Intl - GUM Tamuning Guam Intl

IADGUM

Washington, D.C. Dulles Intl

Sun 1/10

5:30 pm-2:45 pm

2 stops54h 15m

Tamuning Guam Intl

Thu 1/14

4:45 pm-4:27 pm

2 stops62h 42m

$1,591
Quickest round-trip

Washington, D.C.Tamuning

IAD Washington, D.C. Dulles Intl - GUM Tamuning Guam Intl

IADGUM

Washington, D.C. Dulles Intl

Wed 10/28

1:20 pm-4:40 am

1 stop25h 20m

Tamuning Guam Intl

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$1,725

Washington, D.C.Tamuning

IAD Washington, D.C. Dulles Intl - GUM Tamuning Guam Intl

IADGUM

Washington, D.C. Dulles Intl

Wed 12/9

10:10 am-7:00 pm

3 stops41h 50m

Tamuning Guam Intl

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$1,781

Washington, D.C.Tamuning

IAD Washington, D.C. Dulles Intl - GUM Tamuning Guam Intl

IADGUM

Washington, D.C. Dulles Intl

Wed 1/13

8:20 am-7:00 pm

1 stop19h 40m

Tamuning Guam Intl

Thu 1/21

7:45 am-1:00 pm

2 stops20h 15m

$1,969

Washington, D.C.Tamuning

IAD Washington, D.C. Dulles Intl - GUM Tamuning Guam Intl

IADGUM

Washington, D.C. Dulles Intl

Wed 1/6

8:20 am-7:00 pm

1 stop19h 40m

Tamuning Guam Intl

Wed 1/13

7:45 am-1:00 pm

2 stops20h 15m

$2,019

Washington, D.C.Tamuning

IAD Washington, D.C. Dulles Intl - GUM Tamuning Guam Intl

IADGUM

Washington, D.C. Dulles Intl

Mon 12/7

12:20 pm-4:40 am

1 stop25h 20m

Tamuning Guam Intl

Mon 12/14

7:45 am-5:19 pm

2 stops24h 34m

$2,254

Washington, D.C.Tamuning

IAD Washington, D.C. Dulles Intl - GUM Tamuning Guam Intl

IADGUM

Washington, D.C. Dulles Intl

Sun 11/29

10:47 pm-7:00 pm

2 stops29h 13m

Tamuning Guam Intl

Sat 12/5

7:45 am-11:15 pm

2 stops30h 30m

$2,279

Washington, D.C.Tamuning

IAD Washington, D.C. Dulles Intl - GUM Tamuning Guam Intl

IADGUM

Washington, D.C. Dulles Intl

Fri 11/20

10:47 pm-7:00 pm

2 stops29h 13m

Tamuning Guam Intl

Sun 11/29

7:45 am-8:49 am

2 stops40h 04m

$2,375

Washington, D.C.Tamuning

IAD Washington, D.C. Dulles Intl - GUM Tamuning Guam Intl

IADGUM

Washington, D.C. Dulles Intl

Thu 12/17

8:30 am-7:00 pm

2 stops43h 30m

Tamuning Guam Intl

Wed 1/13

7:45 am-7:31 pm

2 stops26h 46m

$2,456

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/24

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Best time to book a flight from Dulles Intl to Guam

Have a flexible travel schedule? Discover the best time to fly to Guam from Dulles Intl with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Guam

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Guam?

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Guam (average of $1,933). Flying from Washington, D.C. Dulles Intl Airport to Guam in December is currently the most expensive (average of $2,955). 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.

Reviews of airlines servicing Guam

Peruse reviews from past customers who have flown with United Airlines from Washington, D.C. Dulles Intl Airport to Guam 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
7.3
Good
10,432 reviews

Entertainment

7.1

Food

6.7

Crew

8.1

Overall

7.3

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.3
Good
10,432 reviews
United Airlines
7.3
Good
10,432 reviews

Entertainment

7.1

Food

6.7

Crew

8.1

Overall

7.3

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Related info for your journey

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Guam?

    A quick flight from Washington, D.C. Dulles Intl Airport to Guam can take about 19h 40m. Alaska Airlines provides one of the quickest options available for as low as $1,969. There are 7899 mi between Washington, D.C. Dulles Intl Airport and Guam. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Dulles Intl to Guam that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Guam flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Guam?

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

  • Can I find deals for business class flights from Dulles Intl to Guam?

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Guam?

    Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Guam (average of $1,933). Flying from Washington, D.C. Dulles Intl Airport to Guam in December is currently the most expensive (average of $2,955). 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

Top airline flying from Dulles Intl to Guam

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,968Average$2,278FlexibilityNo 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.
Site
©2026 Cheapflights