$591 Cheap Flights from Washington (IAD) to Utapao (UTP)

View $591 flight on Tue, Sep 15, 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Utapao (UTP-Utapao Intl.)

Cheap Flights from Washington to Utapao (IAD-UTP)

Prices were available within the past 7 days and start at $591 for one-way flights and $1,087 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Etihad Airways
Tue, Sep 15 - Tue, Sep 29
IAD
Washington
UTP
Chonburi Province
$1,087 Roundtrip, found 13 hours ago
$1,087
Roundtrip
found 13 hours ago
Select Etihad Airways flight, departing Tue, Sep 15 from Washington to Chonburi Province, returning Tue, Sep 29, priced at $1,087 found 13 hours ago
Etihad Airways
Tue, Sep 15 - Tue, Sep 29
IAD
Washington
UTP
Chonburi Province
$1,087 Roundtrip, found 13 hours ago
$1,087
Roundtrip
found 13 hours ago
Select Etihad Airways flight, departing Tue, Sep 15 from Washington to Chonburi Province, returning Tue, Sep 29, priced at $1,087 found 13 hours ago
Etihad Airways
Tue, Sep 15 - Tue, Sep 29
IAD
Washington
UTP
Chonburi Province
$1,091 Roundtrip, found 13 hours ago
$1,091
Roundtrip
found 13 hours ago
Select Etihad Airways flight, departing Tue, Sep 15 from Washington to Chonburi Province, returning Tue, Sep 29, priced at $1,091 found 13 hours ago
Etihad Airways
Tue, Sep 15 - Tue, Sep 29
IAD
Washington
UTP
Chonburi Province
$1,099 Roundtrip, found 13 hours ago
$1,099
Roundtrip
found 13 hours ago
Select Etihad Airways flight, departing Tue, Sep 15 from Washington to Chonburi Province, returning Tue, Sep 29, priced at $1,099 found 13 hours ago
Etihad Airways
Tue, Sep 15 - Tue, Sep 29
IAD
Washington
UTP
Chonburi Province
$1,103 Roundtrip, found 13 hours ago
$1,103
Roundtrip
found 13 hours ago
Select Etihad Airways flight, departing Tue, Sep 15 from Washington to Chonburi Province, returning Tue, Sep 29, priced at $1,103 found 13 hours ago
Etihad Airways
Thu, Mar 12 - Sat, Mar 28
IAD
Washington
UTP
Chonburi Province
$1,171 Roundtrip, found 5 days ago
$1,171
Roundtrip
found 5 days ago
Select Etihad Airways flight, departing Thu, Mar 12 from Washington to Chonburi Province, returning Sat, Mar 28, priced at $1,171 found 5 days ago
Etihad Airways
Thu, Mar 12 - Sat, Mar 28
IAD
Washington
UTP
Chonburi Province
$1,175 Roundtrip, found 5 days ago
$1,175
Roundtrip
found 5 days ago
Select Etihad Airways flight, departing Thu, Mar 12 from Washington to Chonburi Province, returning Sat, Mar 28, priced at $1,175 found 5 days ago
Etihad Airways
Fri, Feb 20 - Mon, Mar 2
IAD
Washington
UTP
Chonburi Province
$1,187 Roundtrip, found 1 day ago
$1,187
Roundtrip
found 1 day ago
Select Etihad Airways flight, departing Fri, Feb 20 from Washington to Chonburi Province, returning Mon, Mar 2, priced at $1,187 found 1 day ago
Qatar Airways
Tue, Apr 21 - Fri, May 8
IAD
Washington
UTP
Chonburi Province
$1,439 Roundtrip, found 6 days ago
$1,439
Roundtrip
found 6 days ago
Select Qatar Airways flight, departing Tue, Apr 21 from Washington to Chonburi Province, returning Fri, May 8, priced at $1,439 found 6 days ago
Emirates
Mon, Dec 22 - Wed, Dec 31
IAD
Washington
UTP
Chonburi Province
$4,049 Roundtrip, found 6 hours ago
$4,049
Roundtrip
found 6 hours ago
Select Emirates flight, departing Mon, Dec 22 from Washington to Chonburi Province, returning Wed, Dec 31, priced at $4,049 found 6 hours ago

Alternative airports near Ban Chang

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Utapao Intl. UTP. Cheapest option available. Flights from $2,602
UTP
Utapao Intl.
Cheapest
Flights from $2,602

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Utapao Intl. Airport (UTP) cost?
Lock in a cheap one-way flight from $591 or cheap return flight from $1,087 from Washington Dulles Intl. Airport (IAD) to Utapao Intl. Airport (UTP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Utapao Intl. Airport (UTP)?
September is the cheapest month to fly from IAD to UTP. Planning your trip for the off-season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Utapao Intl. Airport (UTP)?
To find the cheapest airline flying from IAD to UTP, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Utapao Intl. Airport (UTP)?
Direct flights from Washington Dulles Intl. Airport (IAD) to Utapao Intl. Airport (UTP) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAD to UTP?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Utapao Intl. Airport (UTP)?
To arrive at Utapao Intl. Airport (UTP) on time, opt for a flight that takes off from Washington Dulles Intl. Airport (IAD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Utapao Intl. Airport (UTP) last-minute?
Holding off until just before your trip to book a ticket from IAD to UTP often results in higher prices. While you may find some last-minute offers, they're not always guaranteed. Keep your travel plans flexible for the best chance of getting a bargain.
Is it cheaper to book an IAD to UTP flight and hotel package?
Booking an IAD to UTP flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our extensive range of hotels and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Utapao Intl. Airport (UTP)?
Usually, it's possible to cancel or reschedule your IAD to UTP flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Utapao Intl.
Airlines serving
Emirates, Etihad Airways, Qatar Airways
Roundtrip price
$1,087
Distance
8867 mi

Book with confidence

Washington to Utapao Flights

The cheapest times to fly from Washington to Utapao

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Utapao are during the month of September. You can find some of the cheapest flights from Washington to Utapao with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Utapao

Sunday is one of the best days to book for cheap flights from Washington to Utapao: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Utapao

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Utapao in 2025. You can also book with separate airlines for your outbound and return journeys, from $591 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Utapao flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Utapao airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Utapao Flights

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*Available to One Key members.