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Find cheap flights from Washington to Shannon from $563

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight to Shannon departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Fri 6/7
Fri 6/14

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In the last 7 days travelers have searched 43,968,530 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

June

Cheapest flight

$563
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly with an average 26% increase in price.
Flight from Seattle to Shannon

FAQs for booking flights from Washington 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 round-trip 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.

See more FAQs

Prefer to fly non-stop from Washington to Shannon?

Find which airlines fly direct from Washington to Shannon, which days they fly and book direct flights.

Nonstop departures

Washington to Shannon

Monday

Aer Lingus, Air Canada, Air France, +9 more

Aer Lingus, Air Canada, +10 more

Tuesday

Aer Lingus, Air Canada, Air France, +9 more

Aer Lingus, Air Canada, +10 more

Wednesday

Aer Lingus, Air Canada, Air France, +9 more

Aer Lingus, Air Canada, +10 more

Thursday

Aer Lingus, Air Canada, Air France, +9 more

Aer Lingus, Air Canada, +10 more

Friday

Aer Lingus, Air Canada, Air France, +10 more

Aer Lingus, Air Canada, +11 more

Saturday

Aer Lingus, Air Canada, Air France, +9 more

Aer Lingus, Air Canada, +10 more

Sunday

Aer Lingus, Air Canada, Air France, +10 more

Aer Lingus, Air Canada, +11 more

See more direct flights

Nonstop returns

Shannon to Washington

Monday

Aer Lingus, Air Canada, Air France, +9 more

Aer Lingus, Air Canada, +10 more

Tuesday

Aer Lingus, Air Canada, Air France, +9 more

Aer Lingus, Air Canada, +10 more

Wednesday

Aer Lingus, Air Canada, Air France, +9 more

Aer Lingus, Air Canada, +10 more

Thursday

Aer Lingus, Air Canada, Air France, +9 more

Aer Lingus, Air Canada, +10 more

Friday

Aer Lingus, Air Canada, Air France, +10 more

Aer Lingus, Air Canada, +11 more

Saturday

Aer Lingus, Air Canada, Air France, +9 more

Aer Lingus, Air Canada, +10 more

Sunday

Aer Lingus, Air Canada, Air France, +10 more

Aer Lingus, Air Canada, +11 more

See more direct flights
See more direct flights

Book cheap flights from Washington to Shannon

Recent round-trip flight deals

9/11Wed
2 stopsUnited Airlines
16h 45mSEA-SNN
10/2Wed
1 stopUnited Airlines
15h 01mSNN-SEA
$563
9/11Wed
2 stopsUnited Airlines
21h 30mSEA-SNN
10/2Wed
2 stopsUnited Airlines
18h 22mSNN-SEA
$568
10/3Thu
2 stopsAmerican Airlines
20h 37mSEA-SNN
10/10Thu
2 stopsAmerican Airlines
27h 21mSNN-SEA
$614
9/18Wed
1 stopDelta
35h 20mSEA-SNN
9/27Fri
1 stopDelta
17h 30mSNN-SEA
$618
6/4Tue
1 stopUnited Airlines
14h 20mSEA-SNN
6/11Tue
1 stopUnited Airlines
16h 53mSNN-SEA
$628
10/3Thu
1 stopUnited Airlines
14h 40mSEA-SNN
10/10Thu
2 stopsUnited Airlines
35h 12mSNN-SEA
$629
10/3Thu
1 stopAmerican Airlines
18h 40mSEA-SNN
10/10Thu
1 stopAmerican Airlines
28h 20mSNN-SEA
$799
9/20Fri
1 stopBritish Airways
18h 15mSEA-SNN
12/21Sat
1 stopBritish Airways
17h 00mSNN-SEA
$1,110
7/1Mon
2 stopsBritish Airways
17h 50mSEA-SNN
7/7Sun
2 stopsBritish Airways
33h 15mSNN-SEA
$1,149
6/21Fri
2 stopsKLM
19h 35mSEA-SNN
7/5Fri
2 stopsKLM
29h 13mSNN-SEA
$5,994

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Recent one-way flight deals

6/15Sat
2 stopsUnited Airlines
24h 13mSEA-SNN
$564
6/15Sat
1 stopDelta
27h 50mSEA-SNN
$585
6/15Sat
3 stopsUnited Airlines
36h 30mSEA-SNN
$684
6/14Fri
2 stopsAmerican Airlines
35h 21mSEA-SNN
$1,231

Search by stops

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Flights to Shannon

Destination:

Shannon (SNN)Ireland

Return flight deals:

Shannon - Washington

Cabin classes:

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