HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$225+ Cheap flights from Saint George (SGU) to Dulles Intl (IAD)

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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
SGU — IAD
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Saint George to Dulles Intl 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 Saint George to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Saint George (SGU) to Dulles Intl (IAD). 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 agosto 14, 2025.

Round-trip from

$489
(American Airlines)

One-way from

$225
(American Airlines)

Popular in

September

Cheapest in

February
From Saint George to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Saint George to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($173 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($29 potential savings vs. average RT price).
Search Deals

Find flight deals from Saint George to Dulles Intl

Cheapest flights from Saint George to Dulles Intl
Explore the most affordable flight options available from Saint George to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

This American Airlines deal was found by Cheapflights users on 8/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/157:00 pmSGU - IAD
2 stops13h 07mAmerican Airlines
jue. 9/181:53 pmIAD - SGU
2 stops12h 17mAmerican Airlines
Deal found 8/13$489
This American Airlines deal was found by Cheapflights users on 8/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/135:05 amSGU - IAD
1 stop9h 42mAmerican Airlines
mié. 9/1711:47 amIAD - SGU
1 stop8h 08mAmerican Airlines
Deal found 8/13$508
This American Airlines deal was found by Cheapflights users on 8/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/155:05 amSGU - IAD
1 stop9h 45mAmerican Airlines
sáb. 9/2011:47 amIAD - SGU
1 stop8h 08mAmerican Airlines
Deal found 8/13$559
This United Airlines deal was found by Cheapflights users on 8/13. 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.
lun. 9/155:18 amSGU - IAD
2 stops13h 54mUnited Airlines
sáb. 9/208:50 amIAD - SGU
1 stop9h 31mUnited Airlines
Deal found 8/13$578
This American Airlines deal was found by Cheapflights users on 8/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/145:05 amSGU - IAD
1 stop15h 46mAmerican Airlines
vie. 10/178:25 pmIAD - SGU
2 stops16h 00mAmerican Airlines
Deal found 8/13$584
This United Airlines deal was found by Cheapflights users on 8/13. 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.
mar. 10/145:30 pmSGU - IAD
1 stop9h 52mUnited Airlines
vie. 10/177:00 amIAD - SGU
1 stop11h 06mUnited Airlines
Deal found 8/13$615
This United Airlines deal was found by Cheapflights users on 8/13. 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.
lun. 9/155:18 amSGU - IAD
1 stop8h 16mUnited Airlines
jue. 9/185:47 pmIAD - SGU
1 stop7h 07mUnited Airlines
Deal found 8/13$639
This American Airlines deal was found by Cheapflights users on 8/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/147:00 pmSGU - IAD
2 stops13h 07mAmerican Airlines
mié. 9/1711:47 amIAD - SGU
1 stop8h 08mAmerican Airlines
Deal found 8/13$654

Cheapflights Fare Finder

 
Customize your flight search to find flights from Saint George to Dulles Intl 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 agosto 14, 2025.
Use the filters below to find and compare flights from Saint George to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Saint George

Fly to

Dulles Intl

Route

Depart

Return

Price

Saint GeorgeWashington, D.C.

SGU - IAD

SGUIAD

Saint George

lun. 9/15

7:00 pm-10:07 am

2 stops13h 07m

Washington, D.C. Dulles Intl

jue. 9/18

1:53 pm-12:10 am

2 stops12h 17m

$489

Saint GeorgeWashington, D.C.

SGU - IAD

SGUIAD

Saint George

sáb. 9/13

5:05 am-4:47 pm

1 stop9h 42m

Washington, D.C. Dulles Intl

mié. 9/17

11:47 am-5:55 pm

1 stop8h 08m

$508

Saint GeorgeWashington, D.C.

SGU - IAD

SGUIAD

Saint George

lun. 9/15

5:05 am-4:50 pm

1 stop9h 45m

Washington, D.C. Dulles Intl

sáb. 9/20

11:47 am-5:55 pm

1 stop8h 08m

$559

Saint GeorgeWashington, D.C.

SGU - IAD

SGUIAD

Saint George

lun. 9/15

5:18 am-9:12 pm

2 stops13h 54m

Washington, D.C. Dulles Intl

sáb. 9/20

8:50 am-4:21 pm

1 stop9h 31m

$578

Saint GeorgeWashington, D.C.

SGU - IAD

SGUIAD

Saint George

mar. 10/14

5:05 am-10:51 pm

1 stop15h 46m

Washington, D.C. Dulles Intl

vie. 10/17

8:25 pm-10:25 am

2 stops16h 00m

$584

Saint GeorgeWashington, D.C.

SGU - IAD

SGUIAD

Saint George

mar. 10/14

5:30 pm-5:22 am

1 stop9h 52m

Washington, D.C. Dulles Intl

vie. 10/17

7:00 am-4:06 pm

1 stop11h 06m

$615

Saint GeorgeWashington, D.C.

SGU - IAD

SGUIAD

Saint George

lun. 9/15

5:18 am-3:34 pm

1 stop8h 16m

Washington, D.C. Dulles Intl

jue. 9/18

5:47 pm-10:54 pm

1 stop7h 07m

$639

Saint GeorgeWashington, D.C.

SGU - IAD

SGUIAD

Saint George

dom. 9/14

7:00 pm-10:07 am

2 stops13h 07m

Washington, D.C. Dulles Intl

mié. 9/17

11:47 am-5:55 pm

1 stop8h 08m

$654

Saint GeorgeWashington, D.C.

SGU - IAD

SGUIAD

Saint George

vie. 9/19

5:05 am-4:50 pm

1 stop9h 45m

$225

Saint GeorgeWashington, D.C.

SGU - IAD

SGUIAD

Saint George

dom. 11/9

8:58 pm-10:19 am

2 stops11h 21m

$281

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 13 results
1
2

Best time to book a flight from Saint George to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Saint George 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 Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated agosto 14, 2025.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Saint George to Washington, D.C. Dulles Intl Airport 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
8,916 reviews

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,916 reviews

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Saint George to Dulles Intl. 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 from for flights from Saint George to Washington, D.C. Dulles Intl?

    Saint George (SGU), located 1.4 mi from the city center, is the airport you fly out of when you book flights from Saint George to Washington, D.C. Dulles Intl. 2 airlines have flights from Saint George to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Saint George to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day.

  • What are the cheapest airlines flying from Saint George to Washington, D.C. Dulles Intl Airport round-trip?

    According to our current data, American Airlines ($278), and United Airlines ($278) offers the cheapest pricing from Saint George to Washington, D.C. Dulles Intl Airport. American Airlines is 42% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Saint George to Dulles Intl 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 Saint George to Washington, D.C. Dulles Intl Airport?

    Currently, July is the cheapest month in which you can book a flight from Saint George to Washington, D.C. Dulles Intl Airport (average of $302). Flying from Saint George to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Fairfax
Manassas
Falls Church
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Waldorf
Bowie

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.

Top 2 airlines flying from Saint George to Dulles Intl

Discover the top 2 airlines that operate flights from Saint George to Dulles Intl. 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 agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$278Average$378FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$278Average$395FlexibilityNo 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.