How does KAYAK find such low prices on flights from Washington to Shannon?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Shannon. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Shannon?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Shannon from Washington is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Washington to Shannon?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Shannon with an airline and back to Washington with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Shannon?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Shannon from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

€346 CHEAP FLIGHTS from Washington to Shannon

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Flight Deals

Cheap Flights from Washington to Shannon

Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Washington to Shannon that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent return flight deals from Washington to Shannon

Wed, 15 Oct - Wed, 22 Oct

20:20 - 20:35SEA-SNN

16h 15m1 stop

21:15 - 18:20SNN-SEA

29h 05m1 stop

€457American Airlines

Find Deal

Mon, 6 Oct - Tue, 14 Oct

23:40 - 10:15SEA-SNN

26h 35m2 stops

12:30 - 23:15SNN-SEA

18h 45m2 stops

€462United Airlines

Find Deal

Wed, 15 Oct - Wed, 22 Oct

13:30 - 11:20SEA-SNN

13h 50m1 stop

07:40 - 20:46SNN-SEA

21h 06m2 stops

€465American Airlines

Find Deal

Tue, 21 Oct - Sun, 26 Oct

15:45 - 16:10SEA-SNN

16h 25m2 stops

07:50 - 18:00SNN-SEA

41h 10m2 stops

€558

Find Deal

Fri, 12 Sep - Fri, 26 Sep

11:42 - 15:50PDX-SNN

20h 08m2 stops

21:15 - 18:54SNN-PDX

29h 39m2 stops

€646British Airways

Find Deal

Tue, 14 Oct - Sat, 25 Oct

19:40 - 11:20PDX-SNN

55h 40m2 stops

16:50 - 18:30SNN-PDX

57h 40m2 stops

€662Air Canada

Find Deal

Wed, 22 Oct - Sun, 26 Oct

10:00 - 20:35SEA-SNN

26h 35m2 stops

07:50 - 22:06SNN-SEA

21h 16m2 stops

€673

Find Deal

Wed, 15 Oct - Sun, 26 Oct

19:25 - 16:10PDX-SNN

12h 45m1 stop

17:30 - 16:55SNN-PDX

30h 25m1 stop

€675Aer Lingus

Find Deal

Tue, 21 Oct - Sun, 26 Oct

14:55 - 20:35SEA-SNN

21h 40m2 stops

07:50 - 09:31SNN-SEA

32h 41m3 stops

€692Air Canada

Find Deal

Tue, 2 Dec - Thu, 11 Dec

15:48 - 19:25SEA-SNN

19h 37m2 stops

07:50 - 20:35SNN-SEA

20h 45m2 stops

€2,843British Airways

Find Deal

Useful Info

Low season	January
High season	August
Cheapest flight	€346

Best time to beat the crowds (7% less expensive on average)

Most popular time to fly and prices are also 5% lower on average.

Flight from Seattle to Shannon

How does KAYAK find such low prices on flights from Washington to Shannon?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Shannon.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Shannon?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Shannon from Washington is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Washington to Shannon?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Shannon with an airline and back to Washington with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Shannon?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Shannon from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Direct departures

Washington to Shannon

Monday

Aer Lingus, Air Canada, American Airlines, +6 more