American Airlines Flight WN4042 Deals & Information (2025/2026)

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American Airlines Flight 4042 Route Deals From $81

The cheapest prices found with in the last 7 days for return flights were $168 and $81 for one-way flights to John Glenn Columbus Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jun 9 - Tue, Jun 10
DCA
Ronald Reagan Washington National
CMH
John Glenn Columbus Intl.
$168 Roundtrip, found 1 day ago
$168
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Jun 9 from Ronald Reagan Washington National to John Glenn Columbus Intl., returning Tue, Jun 10, priced at $168 found 1 day ago
Sat, May 31 - Tue, Jun 3
DCA
Ronald Reagan Washington National
CMH
John Glenn Columbus Intl.
$172 Roundtrip, found 2 days ago
$172
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, May 31 from Ronald Reagan Washington National to John Glenn Columbus Intl., returning Tue, Jun 3, priced at $172 found 2 days ago
Thu, May 29 - Thu, Jun 5
DCA
Ronald Reagan Washington National
CMH
John Glenn Columbus Intl.
$176 Roundtrip, found 18 hours ago
$176
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Thu, May 29 from Ronald Reagan Washington National to John Glenn Columbus Intl., returning Thu, Jun 5, priced at $176 found 18 hours ago
Sat, May 31 - Tue, Jun 3
DCA
Ronald Reagan Washington National
CMH
John Glenn Columbus Intl.
$198 Roundtrip, found 2 days ago
$198
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, May 31 from Ronald Reagan Washington National to John Glenn Columbus Intl., returning Tue, Jun 3, priced at $198 found 2 days ago
Thu, May 29 - Fri, May 30
DCA
Ronald Reagan Washington National
CMH
John Glenn Columbus Intl.
$209 Roundtrip, found 12 hours ago
$209
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Thu, May 29 from Ronald Reagan Washington National to John Glenn Columbus Intl., returning Fri, May 30, priced at $209 found 12 hours ago
Thu, May 29 - Fri, May 30
DCA
Ronald Reagan Washington National
CMH
John Glenn Columbus Intl.
$219 Roundtrip, found 12 hours ago
$219
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Thu, May 29 from Ronald Reagan Washington National to John Glenn Columbus Intl., returning Fri, May 30, priced at $219 found 12 hours ago
Sat, Aug 2 - Sun, Aug 3
DCA
Ronald Reagan Washington National
CMH
John Glenn Columbus Intl.
$220 Roundtrip, found 1 day ago
$220
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Aug 2 from Ronald Reagan Washington National to John Glenn Columbus Intl., returning Sun, Aug 3, priced at $220 found 1 day ago

Frequently asked questions

What route does flight number AA4042 take?
AA4042 travels between Washington, DC Airport (DCA-Ronald Reagan Washington National) and John Glenn Columbus Intl. Airport (CMH) and flies direct. This trip takes 1 hour and 19 minutes.
What terminal does AA4042 fly out of?
Direct flights between DCA and John Glenn Intl. Airport are served by flight number AA4042, and passengers with a seat booked on this flight typically take off from Terminal C.
What kind of plane is on flight number AA4042?
Expect to cruise aboard an Embraer 175 if you’ve reserved a seat on flight AA4042. The majority of flights from National Airport to John Glenn Intl. Airport are operated using this aircraft type.
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 AA4042 flight with Travelocity, please visit our Customer Service Portal.