Flights from San Francisco to Alton

Cheapest flights from San Francisco

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 9 - Tue, Sep 23

SFO

San Francisco Intl.

LHR

Heathrow

$452 Roundtrip, found 1 day ago

$452

Roundtrip

found 1 day ago

Select TAP Portugal flight, departing Tue, Sep 9 from San Francisco Intl. to Heathrow, returning Tue, Sep 23, priced at $452 found 1 day ago

Tue, Sep 9 - Tue, Sep 23

SFO

San Francisco Intl.

LHR

Heathrow

$518 Roundtrip, found 1 day ago

$518

Roundtrip

found 1 day ago

Select British Airways flight, departing Tue, Sep 9 from San Francisco Intl. to Heathrow, returning Tue, Sep 23, priced at $518 found 1 day ago

Tue, Sep 9 - Tue, Sep 23

SFO

San Francisco Intl.

LHR

Heathrow

$518 Roundtrip, found 1 day ago

$518

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Sep 9 from San Francisco Intl. to Heathrow, returning Tue, Sep 23, priced at $518 found 1 day ago

Tue, Sep 9 - Tue, Sep 23

SFO

San Francisco Intl.

LHR

Heathrow

$518 Roundtrip, found 1 day ago

$518

Roundtrip

found 1 day ago

Select Virgin Atlantic flight, departing Tue, Sep 9 from San Francisco Intl. to Heathrow, returning Tue, Sep 23, priced at $518 found 1 day ago

Tue, Oct 7 - Wed, Oct 15

SFO

San Francisco Intl.

LHR

Heathrow

$518 Roundtrip, found 3 days ago

$518

Roundtrip

found 3 days ago

Select Air Canada flight, departing Tue, Oct 7 from San Francisco Intl. to Heathrow, returning Wed, Oct 15, priced at $518 found 3 days ago

Tue, Oct 7 - Wed, Oct 15

SFO

San Francisco Intl.

LHR

Heathrow

$518 Roundtrip, found 3 days ago

$518

Roundtrip

found 3 days ago

Select American Airlines flight, departing Tue, Oct 7 from San Francisco Intl. to Heathrow, returning Wed, Oct 15, priced at $518 found 3 days ago

Tue, Sep 9 - Tue, Sep 23

SFO

San Francisco Intl.

LHR

Heathrow

$520 Roundtrip, found 1 day ago

$520

Roundtrip

found 1 day ago

Select Swiss International Air Lines flight, departing Tue, Sep 9 from San Francisco Intl. to Heathrow, returning Tue, Sep 23, priced at $520 found 1 day ago

Tue, Sep 9 - Tue, Sep 23

SFO

San Francisco Intl.

LHR

Heathrow

$522 Roundtrip, found 1 day ago

$522

Roundtrip

found 1 day ago

Select United flight, departing Tue, Sep 9 from San Francisco Intl. to Heathrow, returning Tue, Sep 23, priced at $522 found 1 day ago

Mon, Jul 28 - Wed, Aug 20

SJC

Norman Y. Mineta San Jose Intl.

LHR

Heathrow

$533 Roundtrip, found 4 days ago

$533

Roundtrip

found 4 days ago

Select Delta flight, departing Mon, Jul 28 from Norman Y. Mineta San Jose Intl. to Heathrow, returning Wed, Aug 20, priced at $533 found 4 days ago

Tue, Sep 9 - Tue, Sep 23

SFO

San Francisco Intl.

LHR

Heathrow

$549 Roundtrip, found 1 day ago

$549

Roundtrip

found 1 day ago

Select Lufthansa flight, departing Tue, Sep 9 from San Francisco Intl. to Heathrow, returning Tue, Sep 23, priced at $549 found 1 day ago

Tue, Sep 9 - Tue, Sep 23

SFO

San Francisco Intl.

LHR

Heathrow

$563 Roundtrip, found 1 day ago

$563

Roundtrip

found 1 day ago

Select KLM flight, departing Tue, Sep 9 from San Francisco Intl. to Heathrow, returning Tue, Sep 23, priced at $563 found 1 day ago

Tue, Sep 9 - Tue, Sep 23

SFO

San Francisco Intl.

LHR

Heathrow

$570 Roundtrip, found 1 day ago

$570

Roundtrip

found 1 day ago

Select Air France flight, departing Tue, Sep 9 from San Francisco Intl. to Heathrow, returning Tue, Sep 23, priced at $570 found 1 day ago

Tue, Oct 7 - Wed, Oct 15

SFO

San Francisco Intl.

LHR

Heathrow

$607 Roundtrip, found 3 days ago

$607

Roundtrip

found 3 days ago

Select Scandinavian Airlines flight, departing Tue, Oct 7 from San Francisco Intl. to Heathrow, returning Wed, Oct 15, priced at $607 found 3 days ago

Tue, Sep 9 - Tue, Sep 23

SFO

San Francisco Intl.

LHR

Heathrow

$718 Roundtrip, found 1 day ago

$718

Roundtrip

found 1 day ago

Select Brussels Airlines flight, departing Tue, Sep 9 from San Francisco Intl. to Heathrow, returning Tue, Sep 23, priced at $718 found 1 day ago

Tue, Sep 9 - Tue, Sep 23

SFO

San Francisco Intl.

LHR

Heathrow

$718 Roundtrip, found 1 day ago

$718

Roundtrip

found 1 day ago

Select Austrian Airlines flight, departing Tue, Sep 9 from San Francisco Intl. to Heathrow, returning Tue, Sep 23, priced at $718 found 1 day ago

Tue, Sep 9 - Tue, Sep 23

SFO

San Francisco Intl.

LHR

Heathrow

$722 Roundtrip, found 1 day ago

$722

Roundtrip

found 1 day ago

Select Aer Lingus flight, departing Tue, Sep 9 from San Francisco Intl. to Heathrow, returning Tue, Sep 23, priced at $722 found 1 day ago

Tue, Oct 7 - Wed, Oct 15

SFO

San Francisco Intl.

LHR

Heathrow

$733 Roundtrip, found 3 days ago

$733

Roundtrip

found 3 days ago

Select Finnair flight, departing Tue, Oct 7 from San Francisco Intl. to Heathrow, returning Wed, Oct 15, priced at $733 found 3 days ago

Mon, Oct 20 - Mon, Nov 10

SFO

San Francisco Intl.

LHR

Heathrow

$811 Roundtrip, found 5 days ago

$811

Roundtrip

found 5 days ago

Select Iberia flight, departing Mon, Oct 20 from San Francisco Intl. to Heathrow, returning Mon, Nov 10, priced at $811 found 5 days ago

Tue, Sep 9 - Tue, Sep 23

SFO

San Francisco Intl.

LHR

Heathrow

$823 Roundtrip, found 1 day ago

$823

Roundtrip

found 1 day ago

Select JetBlue Airways flight, departing Tue, Sep 9 from San Francisco Intl. to Heathrow, returning Tue, Sep 23, priced at $823 found 1 day ago

Mon, Oct 20 - Mon, Nov 10

SFO

San Francisco Intl.

LHR

Heathrow

$833 Roundtrip, found 5 days ago

$833

Roundtrip

found 5 days ago

Select WestJet flight, departing Mon, Oct 20 from San Francisco Intl. to Heathrow, returning Mon, Nov 10, priced at $833 found 5 days ago