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Sulaymaniyah

$675+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ISU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$1,163
(FlightHub)

One-way from

$675
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$1,809
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. 16% potential increase in price ($240 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 9/239:00 pmIAD - ISU
1 stop47h 25mMultiple Airlines
Mon 2/94:30 amISU - IAD
1 stop19h 25mMultiple Airlines
Deal found 6/10$1,236
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/235:40 pmIAD - ISU
2 stops50h 45mQatar Airways
Mon 2/94:30 amISU - IAD
1 stop19h 25mQatar Airways
Deal found 6/10$1,254
This Emirates deal was found by Cheapflights users on 6/9. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/235:10 pmIAD - ISU
2 stops37h 00mEmirates
Tue 2/101:30 pmISU - IAD
1 stop26h 40mEmirates
Deal found 6/9$1,307

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 June 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

Sat 7/26

9:00 pm-3:25 am

1 stop23h 25m

Sulaymaniyah Int.

Sun 8/17

4:25 am-3:40 pm

1 stop18h 15m

$1,508

Washington, D.C.Sulaymaniyah

IAD - ISU

IADISU

Washington, D.C. Dulles Intl

Sat 7/26

6:50 pm-3:25 am

3 stops25h 35m

Sulaymaniyah Int.

Sun 8/17

2:55 pm-2:40 pm

2 stops30h 45m

$1,958

Washington, D.C.Sulaymaniyah

IAD - ISU

IADISU

Washington, D.C. Dulles Intl

Fri 8/15

10:05 pm-3:15 am

2 stops46h 10m

$675

Washington, D.C.Sulaymaniyah

IAD - ISU

IADISU

Washington, D.C. Dulles Intl

Fri 8/15

9:00 pm-3:25 am

1 stop23h 25m

$724

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 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 June 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 June 12, 2025.
Qatar Airways
7.4
Good
3,584 reviews

Entertainment

7.4

Boarding

7.5

Comfort

7.4

Food

7.3

Overall

7.4

Crew

7.9

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines
Qatar Airways
7.4
Good
3,584 reviews
Qatar Airways
7.4
Good
3,584 reviews

Entertainment

7.4

Boarding

7.5

Comfort

7.4

Food

7.3

Overall

7.4

Crew

7.9

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines

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 $1,163, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Sulaymaniyah.. Qatar Airways is 6% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Royal JordanianCheapest$866Average$1,079FlexibilityNo cancel feeOn-time61%
Qatar AirwaysCheapest$885Average$1,241FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,089Average$1,458FlexibilityNo cancel feeOn-time75%

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