CA $772 Cheap Air Canada fights from Washington (DCA) to Shannon (SNN)

View CA $772 flight on Thu, Sep. 11, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Air Canada flights from Washington to Shannon (DCA→SNN)

Prices were available within the past 7 days and start at CA $772 for one-way flights and CA $1,145 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, Sep. 11 - Sat, Sep. 27
DCA
Washington
SNN
Shannon
CA $1,145 Roundtrip, found 3 days ago
CA $1,145
Roundtrip
found 3 days ago
Select Air Canada flight, departing Thu, Sep. 11 from Washington to Shannon, returning Sat, Sep. 27, priced at CA $1,145 found 3 days ago
Air Canada
Thu, Sep. 11 - Sat, Sep. 27
DCA
Washington
SNN
Shannon
CA $1,154 Roundtrip, found 3 days ago
CA $1,154
Roundtrip
found 3 days ago
Select Air Canada flight, departing Thu, Sep. 11 from Washington to Shannon, returning Sat, Sep. 27, priced at CA $1,154 found 3 days ago
Air Canada
Thu, Sep. 11 - Sat, Sep. 27
DCA
Washington
SNN
Shannon
CA $1,417 Roundtrip, found 3 days ago
CA $1,417
Roundtrip
found 3 days ago
Select Air Canada flight, departing Thu, Sep. 11 from Washington to Shannon, returning Sat, Sep. 27, priced at CA $1,417 found 3 days ago
Air Canada
Thu, Sep. 11 - Sat, Sep. 27
DCA
Washington
SNN
Shannon
CA $1,426 Roundtrip, found 3 days ago
CA $1,426
Roundtrip
found 3 days ago
Select Air Canada flight, departing Thu, Sep. 11 from Washington to Shannon, returning Sat, Sep. 27, priced at CA $1,426 found 3 days ago
Air Canada
Thu, Sep. 11 - Sat, Sep. 27
DCA
Washington
SNN
Shannon
CA $1,622 Roundtrip, found 3 days ago
CA $1,622
Roundtrip
found 3 days ago
Select Air Canada flight, departing Thu, Sep. 11 from Washington to Shannon, returning Sat, Sep. 27, priced at CA $1,622 found 3 days ago
Air Canada
Thu, Sep. 11 - Sat, Sep. 27
DCA
Washington
SNN
Shannon
CA $1,631 Roundtrip, found 3 days ago
CA $1,631
Roundtrip
found 3 days ago
Select Air Canada flight, departing Thu, Sep. 11 from Washington to Shannon, returning Sat, Sep. 27, priced at CA $1,631 found 3 days ago
Air Canada
Thu, Sep. 11 - Sat, Sep. 27
DCA
Washington
SNN
Shannon
CA $1,774 Roundtrip, found 3 days ago
CA $1,774
Roundtrip
found 3 days ago
Select Air Canada flight, departing Thu, Sep. 11 from Washington to Shannon, returning Sat, Sep. 27, priced at CA $1,774 found 3 days ago
Air Canada
Thu, Sep. 11 - Sat, Sep. 27
DCA
Washington
SNN
Shannon
CA $1,787 Roundtrip, found 3 days ago
CA $1,787
Roundtrip
found 3 days ago
Select Air Canada flight, departing Thu, Sep. 11 from Washington to Shannon, returning Sat, Sep. 27, priced at CA $1,787 found 3 days ago
Air Canada
Thu, Sep. 11 - Sat, Sep. 27
DCA
Washington
SNN
Shannon
CA $1,808 Roundtrip, found 3 days ago
CA $1,808
Roundtrip
found 3 days ago
Select Air Canada flight, departing Thu, Sep. 11 from Washington to Shannon, returning Sat, Sep. 27, priced at CA $1,808 found 3 days ago
Air Canada
Thu, Sep. 11 - Sat, Sep. 27
DCA
Washington
SNN
Shannon
CA $1,818 Roundtrip, found 3 days ago
CA $1,818
Roundtrip
found 3 days ago
Select Air Canada flight, departing Thu, Sep. 11 from Washington to Shannon, returning Sat, Sep. 27, priced at CA $1,818 found 3 days ago
Flight from Washington to Shannon (DCA - SNN) route information
Origin airport
Ronald Reagan Washington National
Destination airport
Shannon
Distance
5257 km
*Available to Expedia members.