$1,612+ Cheap flights from Dulles Intl (IAD) 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 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
Keep the following information in mind while searching for Dulles Intl to Guam flight deals. Data was last updated April 29, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $1,942 (United Airlines) |
One-way from | $1,612 (Delta) |
Popular in | August |
Cheapest in | February |
Average price | $2,042 |
Find flight deals from Dulles Intl to Guam
Cheapest flights from Dulles Intl to GuamExplore the most affordable flight options available from Dulles Intl 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 Dulles Intl to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.
This United Airlines deal was found by Cheapflights users on 4/29. 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.
This Delta deal was found by Cheapflights users on 4/29. 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.
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl 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 April 29, 2025.
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
Washington, D.C.Tamuning
IAD - GUM
IADGUM
Washington, D.C. Dulles Intl
Thu 9/25
6:35 am-6:05 pm
2 stops21h 30m
Tamuning Guam Intl
Wed 10/1
7:05 pm-3:35 pm
1 stop34h 30m
Washington, D.C.Tamuning
IAD - GUM
IADGUM
Washington, D.C. Dulles Intl
Wed 7/9
12:45 pm-3:15 pm
2 stops36h 30m
Tamuning Guam Intl
Wed 7/16
5:00 pm-5:57 am
2 stops50h 57m
Washington, D.C.Tamuning
IAD - GUM
IADGUM
Washington, D.C. Dulles Intl
Mon 6/23
9:40 am-3:15 pm
2 stops39h 35m
Washington, D.C.Tamuning
IAD - GUM
IADGUM
Washington, D.C. Dulles Intl
Mon 6/23
12:20 pm-4:20 am
1 stop26h 00m
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.
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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Guam (average of $1,977). Flying from Washington, D.C. Dulles Intl 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.
Rainfall in Guam by month
Plan your trip to Guam by taking into account the average rainfall totals 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
Plan your trip to Guam by taking into account the average temperature totals 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
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.
Food
Boarding
Overall
Comfort
Crew
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Food
Boarding
Overall
Comfort
Crew
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Food
Boarding
Overall
Comfort
Crew
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to Guam. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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 Dulles Intl to Guam
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Dulles Intl to Guam
Discover the top airline that operate flights from Dulles Intl to Guam. 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 April 29, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,916 | Average$2,276 | FlexibilityNo cancel fee | On-time69% |