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Sulaymaniyah

$976+ Cheap flights from Dulles Intl (IAD) to Sulaymaniyah (ISU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ISU
Jun 10 — Jun 171
Wed 6/10
Wed 6/17
1 adult, Economy
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Cheap 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 11, 2026.

This FlightHub deal was found by Cheapflights users on 5/10. 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.
Mon 8/319:00 pm
IAD
-
ISU
1 stop23h 25m
Qatar Airways
Wed 9/304:25 am
ISU
-
IAD
1 stop18h 15m
Qatar Airways
Deal found 5/10$976
This oojo deal was found by Cheapflights users on 5/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/171:30 pm
IAD
-
ISU
1 stop27h 40m
Turkish Airlines
Tue 12/222:40 am
ISU
-
IAD
1 stop17h 05m
Turkish Airlines
Deal found 5/10$990
This FlightHub deal was found by Cheapflights users on 5/10. 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.
Wed 11/189:10 pm
IAD
-
ISU
1 stop20h 00m
Turkish Airlines
Tue 12/222:40 am
ISU
-
IAD
1 stop24h 35m
Turkish Airlines
Deal found 5/10$1,000
This FlightHub deal was found by Cheapflights users on 5/10. 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.
Mon 11/238:05 pm
IAD
-
ISU
1 stop23h 30m
Qatar Airways
Mon 12/284:35 am
ISU
-
IAD
1 stop19h 20m
Qatar Airways
Deal found 5/10$1,002
This Ovago deal was found by Cheapflights users on 5/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:05 pm
IAD
-
ISU
1 stop23h 30m
Qatar Airways
Mon 12/214:35 am
ISU
-
IAD
1 stop19h 20m
Qatar Airways
Deal found 5/10$1,004
This oojo deal was found by Cheapflights users on 5/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:10 pm
IAD
-
ISU
1 stop20h 00m
Turkish Airlines
Tue 12/292:40 am
ISU
-
IAD
1 stop24h 35m
Turkish Airlines
Deal found 5/10$1,013
This FlightHub deal was found by Cheapflights users on 5/10. 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.
Mon 11/239:10 pm
IAD
-
ISU
1 stop20h 00m
Turkish Airlines
Tue 12/292:40 am
ISU
-
IAD
1 stop24h 35m
Turkish Airlines
Deal found 5/10$1,024
This Ovago deal was found by Cheapflights users on 5/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/228:05 pm
IAD
-
ISU
1 stop23h 30m
Qatar Airways
Mon 12/284:35 am
ISU
-
IAD
1 stop19h 20m
Qatar Airways
Deal found 5/10$1,030
This Gurufare deal was found by Cheapflights users on 5/10. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:05 pm
IAD
-
ISU
1 stop23h 30m
Qatar Airways
Thu 12/244:35 am
ISU
-
IAD
1 stop19h 20m
Qatar Airways
Deal found 5/10$1,031
This KAYAK deal was found by Cheapflights users on 5/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/159:10 pm
IAD
-
ISU
1 stop20h 00m
Turkish Airlines
Wed 12/232:40 am
ISU
-
IAD
1 stop24h 35m
Turkish Airlines
Deal found 5/10$1,042
This Turkish Airlines deal was found by Cheapflights users on 5/10. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/191:30 pm
IAD
-
ISU
1 stop27h 40m
Turkish Airlines
Mon 12/212:40 am
ISU
-
IAD
1 stop24h 35m
Turkish Airlines
Deal found 5/10$1,064
This Qatar Airways deal was found by Cheapflights users on 5/10. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/148:05 pm
IAD
-
ISU
1 stop23h 30m
Qatar Airways
Mon 12/214:35 am
ISU
-
IAD
1 stop19h 20m
Qatar Airways
Deal found 5/10$1,082

Find 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 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$976
(FlightHub)

Popular in

June

Cheapest in

September

Average price

$1,664
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Sulaymaniyah Int. flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Sulaymaniyah Int. flights.
Search Deals
From Washington, D.C. Dulles Intl to Sulaymaniyah Int.
Search Deals
Highest demand for flights based on searches. 39% potential increase in price ($713 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($75 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 11, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Sulaymaniyah

IAD - ISU

IADISU

Washington, D.C. Dulles Intl

Tue 9/8

9:00 pm-3:25 am

1 stop23h 25m

Sulaymaniyah Int.

Fri 10/16

4:25 am-3:40 pm

1 stop18h 15m

$976

Washington, D.C.Sulaymaniyah

IAD - ISU

IADISU

Washington, D.C. Dulles Intl

Mon 9/7

9:00 pm-3:25 am

1 stop23h 25m

Sulaymaniyah Int.

Fri 10/16

4:25 am-3:40 pm

1 stop18h 15m

$976
Quickest round-trip

Washington, D.C.Sulaymaniyah

IAD - ISU

IADISU

Washington, D.C. Dulles Intl

Thu 10/29

10:10 pm-1:10 am

1 stop20h 00m

Sulaymaniyah Int.

Sun 11/1

2:40 am-12:45 pm

1 stop18h 05m

$1,104

Washington, D.C.Sulaymaniyah

IAD - ISU

IADISU

Washington, D.C. Dulles Intl

Sat 8/29

9:45 pm-12:25 am

1 stop19h 40m

Sulaymaniyah Int.

Fri 10/2

1:55 am-7:50 pm

1 stop24h 55m

$1,160

Washington, D.C.Sulaymaniyah

IAD - ISU

IADISU

Washington, D.C. Dulles Intl

Tue 7/21

9:00 pm-3:25 am

1 stop23h 25m

Sulaymaniyah Int.

Fri 8/28

4:25 am-6:27 pm

2 stops45h 02m

$1,286

Washington, D.C.Sulaymaniyah

IAD - ISU

IADISU

Washington, D.C. Dulles Intl

Thu 10/29

6:41 pm-3:35 am

2 stops49h 54m

Sulaymaniyah Int.

Sun 11/1

4:35 am-3:55 pm

1 stop19h 20m

$1,692
Cheapest one-way

Washington, D.C.Sulaymaniyah

IAD - ISU

IADISU

Washington, D.C. Dulles Intl

Mon 6/29

1:38 pm-1:40 am

3 stops29h 02m

$1,128
Quickest one-way

Washington, D.C.Sulaymaniyah

IAD - ISU

IADISU

Washington, D.C. Dulles Intl

Mon 6/29

9:00 pm-3:25 am

1 stop23h 25m

$1,201

Washington, D.C.Sulaymaniyah

IAD - ISU

IADISU

Washington, D.C. Dulles Intl

Sat 5/16

10:30 pm-1:10 pm

2 stops55h 40m

$1,623

Washington, D.C.Sulaymaniyah

IAD - ISU

IADISU

Washington, D.C. Dulles Intl

Sat 5/16

8:40 pm-1:10 pm

3 stops57h 30m

$2,052

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/8

Sorted by cheapest first

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*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*2 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Sulaymaniyah flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Sulaymaniyah?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sulaymaniyah (average of $589). Flying from Washington, D.C. Dulles Intl Airport to Sulaymaniyah in June is currently the most expensive (average of $1,941). 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.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Sulaymaniyah?

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 11, 2026.
Read reviews from past customers who have flown Emirates,Qatar Airways, andTurkish Airlines from Washington, D.C. Dulles Intl Airport to Sulaymaniyah. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very good
3,571 reviews

Boarding

8.1

Entertainment

8.2

Food

7.9

Crew

8.3

Overall

8.1

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Emirates
8.1
Very good
3,571 reviews
Emirates
8.1
Very good
3,571 reviews

Boarding

8.1

Entertainment

8.2

Food

7.9

Crew

8.3

Overall

8.1

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Qatar Airways
7.4
Good
3,728 reviews
Emirates
8.1
Very good
3,571 reviews

Boarding

8.1

Entertainment

8.2

Food

7.9

Crew

8.3

Overall

8.1

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Turkish Airlines
7.4
Good
4,357 reviews
Emirates
8.1
Very good
3,571 reviews

Boarding

8.1

Entertainment

8.2

Food

7.9

Crew

8.3

Overall

8.1

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Royal Jordanian
6.8
Okay
461 reviews
Emirates
8.1
Very good
3,571 reviews

Boarding

8.1

Entertainment

8.2

Food

7.9

Crew

8.3

Overall

8.1

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.

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. 4 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.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Sulaymaniyah?

    Departing from Washington, D.C. Dulles Intl Airport to Sulaymaniyah will take you 20h. There are 6122 mi between Washington, D.C. Dulles Intl Airport and Sulaymaniyah. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Royal Jordanian, at $532, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Sulaymaniyah.Alternate airlines to your destination round-trip include Turkish Airlines and Qatar Airways. Royal Jordanian is 52% 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.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Sulaymaniyah?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sulaymaniyah (average of $589). Flying from Washington, D.C. Dulles Intl Airport to Sulaymaniyah in June is currently the most expensive (average of $1,941). 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

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Alternative routes for Dulles Intl to Sulaymaniyah

See prices for flight routes from nearby airports that may be better suited for you.
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Dulles Intl to Erbil flights
Dulles Intl to Najaf flights

Top 4 airlines flying from Dulles Intl to Sulaymaniyah

Discover the top 4 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 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Royal JordanianCheapest$532Average$716FlexibilityNo cancel feeOn-time61%
Turkish AirlinesCheapest$580Average$811FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$1,083Average$1,330FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,170Average$1,280FlexibilityNo cancel feeOn-time75%

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