Cheap flights from Dulles Intl (IAD) to Shannon (SNN) from $281

This is the cheapest one-way flight price, found on 6/7. Prices may vary by date and flight preferences.
IAD — SNN
Jun 13 — Jun 201

How to find the cheapest flight from Dulles Intl (IAD) to Shannon (SNN)

All the information you need to plan the best IAD to SNN flight in 2023: compare Dulles Intl to Shannon flight prices with the expected peak season, weather and rainfall in Shannon.

Popular in

August

Cheapest in

September

Round-trip from

$542

One-way from

$281
High demand for flights, 35% potential price rise
Best time to find cheap flights, 26% potential price drop
From Washington, D.C. Dulles Intl to Shannon
One-way flight from Washington, D.C. Dulles Intl to Shannon

IAD - SNN

Price

$542 - $1,308

SNN

Temperature

42.8 - 60.8 °F

SNN

Rainfall

2.3 - 4.1 inches

Cheap flights from Dulles Intl to Shannon in June, July 2023

The best prices found for IAD to SNN flights for June, July
Scroll through some of the best deals on flights from Washington, D.C. to Shannon in 2023. Check back regularly for other flight deals.

Dulles Intl to Shannon 2023 flight deals

Cheap flights to Shannon from Dulles Intl found for this year
Scroll through some of the best deals on flights from Washington, D.C. to Shannon in 2023. Check back regularly for other flight deals.

Cheap United Airlines flights from Dulles Intl to Shannon

Peruse some of the lowest-priced United Airlines flights we've found from Washington, D.C. to Shannon. It's recommended that users confirm their flight details before booking.

Cheap Air Canada flights from Dulles Intl to Shannon

Take a gander at the lowest prices we've found on Air Canada flights from Washington, D.C. to Shannon. Deals frequently update to provide users with more options.

One-way flights to Shannon from Dulles Intl

The cheapest one-way flights from Dulles Intl to Shannon
If you're seeking multiple options on one-way flights from Washington, D.C. to Shannon, be sure to check out these deals, which are updated often. Users needing a return flight from Washington, D.C. to Shannon should utilize the search form above.

Find flights from Dulles Intl to Shannon within your budget

Use the slider to find flights from Dulles Intl to Shannon that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$566 - $959

Route

Depart

Return

Price

Washington, D.C. Dulles IntlShannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 8/21

1 stop13h 05m

Shannon

Wed 8/30

2 stops39h 10m

Washington, D.C. Dulles IntlShannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 8/20

1 stop15h 30m

Shannon

Wed 8/30

2 stops29h 15m

Washington, D.C. Dulles IntlShannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 8/20

1 stop20h 50m

Shannon

Wed 8/30

1 stop15h 50m

Washington, D.C. Dulles IntlShannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 8/6

1 stop20h 50m

Shannon

Sat 8/19

1 stop28h 35m

Washington, D.C. Dulles IntlShannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 9/5

1 stop18h 09m

Shannon

Fri 9/15

1 stop11h 50m

Washington, D.C. Dulles IntlShannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sat 9/2

1 stop31h 28m

Shannon

Mon 9/11

1 stop19h 29m

Washington, D.C. Dulles IntlShannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 10/25

2 stops13h 10m

Shannon

Tue 11/7

2 stops16h 25m

Washington, D.C. Dulles IntlShannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sat 9/30

2 stops13h 10m

Shannon

Sun 10/8

2 stops23h 15m

Washington, D.C. Dulles IntlShannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Thu 11/23

2 stops19h 55m

Shannon

Sun 11/26

2 stops29h 18m

Flights are sorted by cheapest first

Deals found on 6/7

Reviews of airlines servicing Shannon

Read through reviews of airlines operating flights from Washington, D.C. to Shannon, such as United Airlines and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.6
Good
1,574 reviews

Entertainment

7.1

Crew

8.2

Boarding

7.8

Comfort

7.4

Food

6.8

Overall

7.6

Reviews

1 / 10

the cabin temperature was very cold, i think it was around 60 degrees or lower. so I had to put on multiple layers of cloths. Also one of the fight attendants was rather rude, even to passengers in Polaris class.

United Airlines
7.6
Good
1,574 reviews
United Airlines
7.6
Good
1,574 reviews

Entertainment

7.1

Crew

8.2

Boarding

7.8

Comfort

7.4

Food

6.8

Overall

7.6

Reviews

1 / 10

the cabin temperature was very cold, i think it was around 60 degrees or lower. so I had to put on multiple layers of cloths. Also one of the fight attendants was rather rude, even to passengers in Polaris class.

Air Canada
6.7
Okay
935 reviews
United Airlines
7.6
Good
1,574 reviews

Entertainment

7.1

Crew

8.2

Boarding

7.8

Comfort

7.4

Food

6.8

Overall

7.6

Reviews

1 / 10

the cabin temperature was very cold, i think it was around 60 degrees or lower. so I had to put on multiple layers of cloths. Also one of the fight attendants was rather rude, even to passengers in Polaris class.

Aer Lingus
6.7
Okay
273 reviews
United Airlines
7.6
Good
1,574 reviews

Entertainment

7.1

Crew

8.2

Boarding

7.8

Comfort

7.4

Food

6.8

Overall

7.6

Reviews

1 / 10

the cabin temperature was very cold, i think it was around 60 degrees or lower. so I had to put on multiple layers of cloths. Also one of the fight attendants was rather rude, even to passengers in Polaris class.

British Airways
6.6
Okay
558 reviews
United Airlines
7.6
Good
1,574 reviews

Entertainment

7.1

Crew

8.2

Boarding

7.8

Comfort

7.4

Food

6.8

Overall

7.6

Reviews

1 / 10

the cabin temperature was very cold, i think it was around 60 degrees or lower. so I had to put on multiple layers of cloths. Also one of the fight attendants was rather rude, even to passengers in Polaris class.

Related info for your journey

Useful info, stats and facts about Dulles Intl to Shannon flights.

Alternative routes for Dulles Intl to Shannon

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Dulles Intl to Shannon

The chart below displays the airlines Cheapflights users traveling from Dulles Intl to Shannon choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
British AirwaysCheapest$696Average$1,179FlexibilityNo cancel feeOn-time70%COVID-19 safety
Search British Airways flights
United AirlinesCheapest$759Average$1,139FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
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