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Dulles Intl

$624+ Cheap flights from Shannon (SNN) to Dulles Intl (IAD)

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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — IAD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Shannon to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Shannon (SNN) 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$624
(TravelUp)
Provider with most accurate pricing for Shannon-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Shannon-Washington, D.C. Dulles Intl flights.
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From Shannon to Washington, D.C. Dulles Intl
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Find flight deals from Shannon to Dulles Intl

Cheapest flights from Shannon to Dulles Intl
Explore the most affordable flight options available from Shannon to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This TravelUp deal was found by Cheapflights users on 2/20. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/19:15 pmSNN - IAD
1 stop23h 35mBritish Airways
Mon 4/75:50 pmIAD - SNN
1 stop12h 30mBritish Airways
Deal found 2/20$624
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Fri 4/412:30 pmSNN - IAD
1 stop13h 28mUnited Airlines
Tue 4/812:35 pmIAD - SNN
1 stop16h 40mUnited Airlines
Deal found 2/20$626
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 2/277:45 amSNN - IAD
1 stop17h 00mMultiple Airlines
Mon 3/39:55 pmIAD - SNN
1 stop13h 50mMultiple Airlines
Deal found 2/20$635
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 2/272:45 pmSNN - IAD
2 stops14h 08mAmerican Airlines
Mon 3/39:55 pmIAD - SNN
1 stop13h 50mAmerican Airlines
Deal found 2/20$641
This SmartFares deal was found by Cheapflights users on 2/20. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/44:55 pmSNN - IAD
2 stops27h 55mAer Lingus
Tue 4/810:40 pmIAD - SNN
1 stop16h 55mAer Lingus
Deal found 2/20$729
This Gotogate deal was found by Cheapflights users on 2/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/47:40 amSNN - IAD
2 stops32h 34mAir Canada
Tue 4/84:07 pmIAD - SNN
2 stops23h 28mAir Canada
Deal found 2/20$905

Find flights from Shannon to Dulles Intl within your budget

Customize your flight search to find flights from Shannon 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 February 20, 2025.

Fly from

Shannon

Fly to

Dulles Intl

Route

Depart

Return

Price

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

Tue 4/1

9:15 pm-3:50 pm

1 stop23h 35m

Washington, D.C. Dulles Intl

Mon 4/7

5:50 pm-11:20 am

1 stop12h 30m

$624

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

Thu 2/27

5:30 pm-3:35 pm

1 stop27h 05m

Washington, D.C. Dulles Intl

Mon 3/3

6:00 pm-11:30 am

1 stop12h 30m

$625

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

Fri 4/4

12:30 pm-4:03 pm

1 stop32h 33m

Washington, D.C. Dulles Intl

Tue 4/8

12:35 pm-10:15 am

1 stop16h 40m

$626

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

Thu 2/27

7:45 am-3:35 pm

1 stop12h 50m

Washington, D.C. Dulles Intl

Mon 3/3

9:55 pm-4:45 pm

1 stop13h 50m

$635

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

Thu 2/27

7:45 am-3:35 pm

1 stop12h 50m

Washington, D.C. Dulles Intl

Mon 3/3

9:55 pm-4:45 pm

1 stop13h 50m

$680

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

Fri 4/4

7:40 am-11:14 am

2 stops32h 34m

Washington, D.C. Dulles Intl

Tue 4/8

4:07 pm-8:35 pm

2 stops23h 28m

$905

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

  • Most accurate provider: When it comes to deals on Shannon, Clare-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Shannon, Clare-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Shannon, Clare-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Shannon, Clare-Washington, D.C. Dulles Intl Airport 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 Shannon, Clare-Washington, D.C. Dulles Intl Airport 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 Shannon to Dulles Intl

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

Travel insights for flights from Shannon to Dulles Intl

Get recent, data-driven insights about flights from Shannon to Dulles Intl including ideal travel times, pricing trends, and more.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 February 20, 2025.
United Airlines
7.4
Good
8,766 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.7

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20

4.0
Okay

Patti,Feb 2025

FCO - EWR

The food was inedible! We are in the food business and aren’t sure who got this contract. But prisoners eat better. The food was so bad. I ate just a small amount and it made me nauseous. Everything is over microwaved too. And what is with the options? Vegan and vegetarian, but no keto or carnivore? I get that may be more expensive. But I’d gladly pay if it even was an option. But it’s not. There are many fresh options that could have been offered that don’t have to be heated too!

United Airlines
7.4
Good
8,766 reviews
United Airlines
7.4
Good
8,766 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.7

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20

4.0
Okay

Patti,Feb 2025

FCO - EWR

The food was inedible! We are in the food business and aren’t sure who got this contract. But prisoners eat better. The food was so bad. I ate just a small amount and it made me nauseous. Everything is over microwaved too. And what is with the options? Vegan and vegetarian, but no keto or carnivore? I get that may be more expensive. But I’d gladly pay if it even was an option. But it’s not. There are many fresh options that could have been offered that don’t have to be heated too!

American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,766 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.7

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20

4.0
Okay

Patti,Feb 2025

FCO - EWR

The food was inedible! We are in the food business and aren’t sure who got this contract. But prisoners eat better. The food was so bad. I ate just a small amount and it made me nauseous. Everything is over microwaved too. And what is with the options? Vegan and vegetarian, but no keto or carnivore? I get that may be more expensive. But I’d gladly pay if it even was an option. But it’s not. There are many fresh options that could have been offered that don’t have to be heated too!

Aer Lingus
7.0
Good
1,070 reviews
United Airlines
7.4
Good
8,766 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.7

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20

4.0
Okay

Patti,Feb 2025

FCO - EWR

The food was inedible! We are in the food business and aren’t sure who got this contract. But prisoners eat better. The food was so bad. I ate just a small amount and it made me nauseous. Everything is over microwaved too. And what is with the options? Vegan and vegetarian, but no keto or carnivore? I get that may be more expensive. But I’d gladly pay if it even was an option. But it’s not. There are many fresh options that could have been offered that don’t have to be heated too!

Air Canada
7.0
Good
8,748 reviews
United Airlines
7.4
Good
8,766 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.7

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20

4.0
Okay

Patti,Feb 2025

FCO - EWR

The food was inedible! We are in the food business and aren’t sure who got this contract. But prisoners eat better. The food was so bad. I ate just a small amount and it made me nauseous. Everything is over microwaved too. And what is with the options? Vegan and vegetarian, but no keto or carnivore? I get that may be more expensive. But I’d gladly pay if it even was an option. But it’s not. There are many fresh options that could have been offered that don’t have to be heated too!

British Airways
6.6
Okay
6,763 reviews
United Airlines
7.4
Good
8,766 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.7

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20

4.0
Okay

Patti,Feb 2025

FCO - EWR

The food was inedible! We are in the food business and aren’t sure who got this contract. But prisoners eat better. The food was so bad. I ate just a small amount and it made me nauseous. Everything is over microwaved too. And what is with the options? Vegan and vegetarian, but no keto or carnivore? I get that may be more expensive. But I’d gladly pay if it even was an option. But it’s not. There are many fresh options that could have been offered that don’t have to be heated too!

Related info for your journey

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

    Most people fly from Shannon (SNN) if they book a flight from Shannon to Washington, D.C. Dulles Intl. On average, Shannon has 0 outbound flights to Washington, D.C. Dulles Intl per day from 0 airlines. Shannon is conveniently located just 2.1 mi from Shannon’s city center.

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

    Flying on British Airways is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $624. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $626 and $635, respectively.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Shannon, Clare to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Shannon, Clare to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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 Shannon?

Book flights to Shannon if you plan to visit one of these locations
Arlington
Alexandria
Fairfax
Springfield
Rockville
Tysons
Gaithersburg
Silver Spring
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Woodbridge
Sterling
Easton
Herndon
Bowie
Reston
National Harbor
Oxon Hill

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