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Sulaymaniyah

$632+ Cheap flights from Dulles Intl (IAD) to Sulaymaniyah (ISU)

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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ISU
May 17 — May 241
Sat 5/17
Sat 5/24
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Sulaymaniyah Int. are usually found in September or August, booked 66 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from Dulles Intl to Sulaymaniyah

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Sulaymaniyah (ISU). 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 May 12, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,625
(oojo)

One-way from

$699
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$1,310
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Sulaymaniyah Int. flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Sulaymaniyah Int. flights.
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From Washington, D.C. Dulles Intl to Sulaymaniyah Int.
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One-way flight from Washington, D.C. Dulles Intl to Sulaymaniyah Int.
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Highest demand for flights based on searches. 14% potential increase in price ($202 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Dulles Intl to Sulaymaniyah

Cheapest flights from Dulles Intl to Sulaymaniyah
Explore the most affordable flight options available from Dulles Intl to Sulaymaniyah. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 12, 2025.

This oojo deal was found by Cheapflights users on 5/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/209:00 pmIAD - ISU
1 stop23h 25mQatar Airways
Thu 9/44:25 amISU - IAD
1 stop35h 15mQatar Airways
Deal found 5/11$1,204
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/68:45 pmIAD - ISU
2 stops33h 25mMultiple Airlines
Sun 7/65:45 amISU - IAD
1 stop19h 00mMultiple Airlines
Deal found 5/11$1,675

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Sulaymaniyah 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 May 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Sulaymaniyah that are best for you.

Fly from

Dulles Intl

Fly to

Sulaymaniyah

Route

Depart

Return

Price

Washington, D.C.Sulaymaniyah

IAD - ISU

IADISU

Washington, D.C. Dulles Intl

Wed 8/20

9:00 pm-3:25 am

1 stop23h 25m

Sulaymaniyah Int.

Thu 9/4

4:25 am-8:40 am

1 stop35h 15m

$1,204

Washington, D.C.Sulaymaniyah

IAD - ISU

IADISU

Washington, D.C. Dulles Intl

Fri 6/6

8:45 pm-1:10 pm

2 stops33h 25m

Sulaymaniyah Int.

Sun 7/6

5:45 am-5:45 pm

1 stop19h 00m

$1,675

Washington, D.C.Sulaymaniyah

IAD - ISU

IADISU

Washington, D.C. Dulles Intl

Thu 8/14

5:50 pm-3:15 am

3 stops26h 25m

$632

Washington, D.C.Sulaymaniyah

IAD - ISU

IADISU

Washington, D.C. Dulles Intl

Thu 8/14

9:00 pm-3:25 am

1 stop23h 25m

$709

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Compare providers for flights from Dulles Intl to Sulaymaniyah

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 Dulles Intl to Sulaymaniyah in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Trip.comPrice Accuracy1 starTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 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. Dulles Intl Airport-Sulaymaniyah flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Dulles Intl Airport-Sulaymaniyah flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Sulaymaniyah flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Sulaymaniyah flights, Cheapflights users trust AranGrant the most. AranGrant 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. Dulles Intl Airport-Sulaymaniyah 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 Dulles Intl to Sulaymaniyah

Have a flexible travel schedule? Discover the best time to fly to Sulaymaniyah from Dulles Intl 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.

Cheapflights Insights

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

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Sulaymaniyah?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Sulaymaniyah. Price data was last updated on May 9, 2025.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Sulaymaniyah is 66 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest time of day to fly from IAD to ISU?

Find hourly flight availability from Dulles Intl to Sulaymaniyah. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 12, 2025.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Sulaymaniyah is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 24% on airfare.

Reviews of airlines servicing Sulaymaniyah

Get insights into the airlines that provide service to Sulaymaniyah. 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 Sulaymaniyah. Reviews last updated May 12, 2025.
Qatar Airways
7.4
Good
3,570 reviews

Comfort

7.4

Boarding

7.5

Overall

7.4

Crew

7.9

Entertainment

7.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

DFW - DOH

Probably one of the best flights I’ve had. Superb service! They made economy feel like first class.
Qatar Airways
7.4
Good
3,570 reviews
Qatar Airways
7.4
Good
3,570 reviews

Comfort

7.4

Boarding

7.5

Overall

7.4

Crew

7.9

Entertainment

7.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

DFW - DOH

Probably one of the best flights I’ve had. Superb service! They made economy feel like first class.

Related info for your journey

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

    Sulaymaniyah Int. (ISU), located 6.5 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to Sulaymaniyah. 3 airlines have flights to Sulaymaniyah Int. from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to Sulaymaniyah Int. should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day.

  • What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Sulaymaniyah round-trip?

    Qatar Airways, at $1,625, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Sulaymaniyah..

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Sulaymaniyah 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

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Top 3 airlines flying from Dulles Intl to Sulaymaniyah

Discover the top 3 airlines that operate flights from Dulles Intl to Sulaymaniyah. 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 May 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Royal JordanianCheapest$866Average$1,079FlexibilityNo cancel feeOn-time61%
Qatar AirwaysCheapest$901Average$1,260FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,089Average$1,458FlexibilityNo cancel feeOn-time75%

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