Western USA to London, UK from only $455 roundtrip

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Cheap flights from Western USA to London, UK from only $455 roundtrip with British Airways and American Airlines.

Depart from:
Phoenix: $455-$479
San Diego: $469-$478
Portland: $472-$479

DEPART:
Phoenix/San Diego/Portland, USA

ARRIVE:
London, UK

RETURN:
Phoenix/San Diego/Portland, USA

DATES:
Availability from March to October 2025 (excluding summer)

Example dates:

Phoenix – London: $455-$479
23rd-30th Mar
25th Mar – 1st Apr
31st Mar – 7th Apr
2nd-9th Apr
4th-11th Apr
6th-13th Apr
8th-15th Apr
16th-23rd Apr
18th-25th Apr
20th-27th Apr
28th Apr – 5th May
2nd-9th May
4th-11th May
19th-26th Sep
21st-28th Sep
23rd-30th Sep
25th Sep – 2nd Oct
29th Sep – 6th Oct
1st-8th Oct
5th-12th Oct
7th-14th Oct
9th-16th Oct
13th-20th Oct
15th-22nd Oct
17th-24th Oct
19th-26th Oct
21st-28th Oct
23rd-30th Oct

San Diego – London: $469-$478
9th-16th Mar
11th-18th Mar
17th-24th Mar
19th-26th Mar
23rd-30th Mar
2nd-9th Apr
16th-23rd Apr
28th Apr – 5th May
2nd-9th May
19th-26th Sep
21st-28th Sep
23rd-30th Sep
25th Sep – 2nd Oct
27th Sep – 4th Oct
29th Sep – 6th Oct
1st-8th Oct
5th-12th Oct
7th-14th Oct
9th-16th Oct
11th-18th Oct
13th-20th Oct
15th-22nd Oct
19th-26th Oct
21st-28th Oct
23rd-30th Oct

Portland – London: $472-$479
11th-18th Mar
31st Mar – 7th Apr
2nd-9th Apr
4th-11th Apr
6th-13th Apr
8th-15th Apr
16th-23rd Apr
22nd-29th Apr
26th Apr – 3rd May
28th Apr – 5th May
4th-11th May
23rd-30th Sep
25th Sep – 2nd Oct
27th Sep – 4th Oct
29th Sep – 6th Oct
1st-8th Oct
3rd-10th Oct
5th-12th Oct
7th-14th Oct
9th-16th Oct
11th-18th Oct
13th-20th Oct
15th-22nd Oct
17th-24th Oct
19th-26th Oct
23rd-30th Oct

and more…

STOPS:
Las Vegas (incoming only)

AIRLINES:
British Airways
American Airlines