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Deals on flights from Washington, D.C. to Portugal*

$

Washington, D.C. (IAD)to

Lisbon (LIS)
Jun 16 2026 - Jun 23 2026
From
$1,042.67
Seen: 41 minutes ago
Roundtrip*
Economy

*Roundtrip Restrictions apply.
Each way fare as part of a return trip including taxes and charges. One way fare including taxes and charges.

Aer Lingus Plane Image

Best Deals for Washington, D.C. to Portugal*

$
Best Deals for Washington, D.C. to Portugal*
From
To
Fare Type
Dates
Price
Washington, D.C. (IAD)Lisbon (LIS)Roundtrip*
/
Economy		Jun 16 2026 - Jun 23 2026

From

$1,042.67

Seen: 41 minutes ago

*Roundtrip Restrictions apply.
Each way fare as part of a return trip including taxes and charges. One way fare including taxes and charges.

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$

Boston (BOS)to

Dublin (DUB)
Sep 5 2026 - Sep 9 2026
From
$605.32
Seen: 9 hrs ago
Roundtrip*
Economy

Chicago (ORD)to

Dublin (DUB)
Nov 4 2026 - Nov 17 2026
From
$692.12
Seen: 23 hrs ago
Roundtrip*
Economy

New York (JFK)to

Dublin (DUB)
Nov 1 2026 - Nov 8 2026
From
$571.12
Seen: 6 hrs ago
Roundtrip*
Economy

Los Angeles (LAX)to

Dublin (DUB)
Nov 4 2026 - Nov 12 2026
From
$860.12
Seen: 23 hrs ago
Roundtrip*
Economy

Boston (BOS)to

Shannon (SNN)
Nov 11 2026 - Nov 15 2026
From
$632.35
Seen: 23 hrs ago
Roundtrip*
Economy

San Francisco (SFO)to

Dublin (DUB)
Oct 20 2026 - Nov 3 2026
From
$860.12
Seen: 2 hrs ago
Roundtrip*
Economy

Cleveland (CLE)to

Dublin (DUB)
Sep 9 2026 - Sep 18 2026
From
$744.82
Seen: 11 hrs ago
Roundtrip*
Economy

Raleigh (RDU)to

Dublin (DUB)
Sep 8 2026 - Sep 18 2026
From
$696.82
Seen: 19 hrs ago
Roundtrip*
Economy

Washington, D.C. (IAD)to

Dublin (DUB)
Jun 12 2026 - Nov 3 2026
From
$804.12
Seen: 3 hrs ago
Roundtrip*
Economy

Orlando (MCO)to

Dublin (DUB)
Sep 2 2026 - Sep 7 2026
From
$944.82
Seen: 4 hrs ago
Roundtrip*
Economy

Hartford (BDL)to

Dublin (DUB)
Nov 2 2026 - Nov 9 2026
From
$692.12
Seen: 6 hrs ago
Roundtrip*
Economy

Pittsburgh (PIT)to

Dublin (DUB)
Sep 9 2026 - Sep 16 2026
From
$734.82
Seen: 2 hrs ago
Roundtrip*
Economy

Philadelphia (PHL)to

Dublin (DUB)
Nov 16 2026 - Nov 24 2026
From
$692.12
Seen: 1 hour ago
Roundtrip*
Economy

Indianapolis (IND)to

Dublin (DUB)
Nov 11 2026 - Nov 18 2026
From
$790.12
Seen: 23 hrs ago
Roundtrip*
Economy

New York (JFK)to

Shannon (SNN)
Nov 11 2026 - Nov 19 2026
From
$573.35
Seen: 20 hrs ago
Roundtrip*
Economy

Seattle (SEA)to

Dublin (DUB)
Sep 8 2026 - Sep 18 2026
From
$864.82
Seen: 21 hrs ago
Roundtrip*
Economy

Nashville (BNA)to

Dublin (DUB)
Nov 8 2026 - Nov 19 2026
From
$790.12
Seen: 20 hrs ago
Roundtrip*
Economy

Denver (DEN)to

Dublin (DUB)
Sep 12 2026 - Sep 16 2026
From
$919.82
Seen: 1 hour ago
Roundtrip*
Economy

New York/Newark (EWR)to

Dublin (DUB)
Nov 8 2026 - Nov 22 2026
From
$571.12
Seen: 1 hour ago
Roundtrip*
Economy

Minneapolis (MSP)to

Dublin (DUB)
Oct 27 2026 - Nov 5 2026
From
$740.12
Seen: 4 hrs ago
Roundtrip*
Economy