This chart lists the lowest generally available round-trip fares from at least one of the three Washington area airports -- Reagan National, Washington-Dulles International and Baltimore/Washington International -- for departures July 11-17. Flights are nonstop or direct (stopover with no change of planes) except for some international flights. For ticket information, or to purchase tickets, call the individual airlines, not The Washington Post. For recorded information on how best to use this chart, call 202-334-7591.

Bargain of the Week

British Airways is offering a free round-trip ticket to London that can be used for travel Nov. 1-March 30. To qualify for the free trip, you must first purchase a round-trip ticket good for travel through Sept. 30. Deadline for purchasing tickets is June 30. The summer fare between Washington and London is about $632.

Airlines

AA

American

AC

Air Canada

CO

Continental

DL

Delta

FL

AirTran

LH

Lufthansa

NW

Northwest

SY

Suncountry

UA

United

US

US Airways

VS

Virgin Atlantic

WN

Southwest

Depart Washington July 11-17

Boston

$128

US

New York

$98

CO, UA, US

Chicago

$144

UA, US

Miami

$180

US

Atlanta

$148

FL, DL, US

Houston

$195

AA, CO, WN, UA

Kansas City

$208

WN, US

Minneapolis

$242

NW, SY

Denver

$383

UA

Dallas

$214

AA

Los Angeles

$386

UA, US

San Francisco

$383

UA, US

Seattle

$508

UA

Toronto

$198

AC, US

Mexico City

$347

CO

Rio de Janeiro

$823

UA

London

$532

VS

Frankfurt

$883

LH

Tokyo

$1,457

NW, UA

Fares, which were researched Thursday, may change without notice, do not apply to all seats on all flights and are subject to restrictions. Most require advance purchase, are available only on midweek departures and require a Saturday night stay. Certain airport taxes and surcharges are not included. Contact airlines or a travel agent for fare details and airports of arrival and departure.

SOURCES: Internet travel services and airlines.