American Airlines Flight 418 Deals & Information (2026/2027)

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American Airlines Flight 418 Route Deals From $69

The cheapest prices found with in the last 7 days for return flights were $180 and $69 for one-way flights to Lambert-St. Louis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 15 - Sat, Jul 18
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$180 Roundtrip, found 4 hours ago
$180
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Jul 15 from O'Hare Intl. to Lambert-St. Louis Intl., returning Sat, Jul 18, priced at $180 found 4 hours ago
Tue, Jul 7 - Thu, Jul 9
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$192 Roundtrip, found 6 days ago
$192
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Jul 7 from O'Hare Intl. to Lambert-St. Louis Intl., returning Thu, Jul 9, priced at $192 found 6 days ago
Tue, Sep 15 - Fri, Sep 18
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$247 Roundtrip, found 6 days ago
$247
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Sep 15 from O'Hare Intl. to Lambert-St. Louis Intl., returning Fri, Sep 18, priced at $247 found 6 days ago
Wed, Jul 15 - Sat, Jul 18
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$248 Roundtrip, found 4 hours ago
$248
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Jul 15 from O'Hare Intl. to Lambert-St. Louis Intl., returning Sat, Jul 18, priced at $248 found 4 hours ago
Mon, Jul 6 - Wed, Jul 8
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$253 Roundtrip, found 5 days ago
$253
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Jul 6 from O'Hare Intl. to Lambert-St. Louis Intl., returning Wed, Jul 8, priced at $253 found 5 days ago
Wed, Jul 15 - Sat, Jul 18
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$254 Roundtrip, found 4 hours ago
$254
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Jul 15 from O'Hare Intl. to Lambert-St. Louis Intl., returning Sat, Jul 18, priced at $254 found 4 hours ago
Wed, Jul 15 - Sat, Jul 18
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$260 Roundtrip, found 4 hours ago
$260
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Jul 15 from O'Hare Intl. to Lambert-St. Louis Intl., returning Sat, Jul 18, priced at $260 found 4 hours ago
Mon, Jul 6 - Wed, Jul 8
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$263 Roundtrip, found 5 days ago
$263
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Jul 6 from O'Hare Intl. to Lambert-St. Louis Intl., returning Wed, Jul 8, priced at $263 found 5 days ago
Tue, Jun 16 - Thu, Jun 18
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$264 Roundtrip, found 11 hours ago
$264
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Tue, Jun 16 from O'Hare Intl. to Lambert-St. Louis Intl., returning Thu, Jun 18, priced at $264 found 11 hours ago

Frequently asked questions

What route does flight number AA418 take?
AA418 takes numerous routes. The most popular is between Sea-Tac Airport and Chicago, IL Airport (ORD-O'Hare Intl.), which flies direct. This service typically takes 4 hours and 4 minutes. That said, there are likely to be other flights with this number that have one or more stops.
What kind of plane is on flight number AA418?
AA418 is a flight number that's used on many routes. If you're heading off on the most popular one, Sea-Tac Airport to O'Hare Intl. Airport (ORD), you're likely to be hopping on board an Airbus A321.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your AA418 flight with Travelocity, please visit our Customer Service Portal.