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London To United States, Washington Flight Deals

1 Delta Air Lines Flights To Idaho Falls Cheapest Flight
Delta Air Lines
Tue 20May25 10:55 Tue 20May25 18:10

(LHR) Heathrow, United Kingdom
(IDA) Idaho Falls, United States 1 Stop (SLC)

Delta Air Lines
Fri 30May25 12:30 Sat 31May25 09:50

(IDA) Idaho Falls, United States
(LHR) Heathrow, United Kingdom 1 Stop (SLC)

£ 1168.12

As low as £389/mo

Travel Class: Economy

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2 American Airlines Flights To Idaho Falls Basic Economy
American Airlines
Tue 20May25 16:25 Wed 21May25 12:27

(LHR) Heathrow, United Kingdom
(IDA) Idaho Falls, United States 1 Stop (DFW)

American Airlines
Fri 30May25 07:00 Sat 31May25 11:15

(IDA) Idaho Falls, United States
(LHR) Heathrow, United Kingdom 2 Stops (DFW-JFK)

£ 1168.12

As low as £389/mo

Travel Class: Economy

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3 Air France Flights To Idaho Falls Economy Light
Air France
Tue 20May25 10:55 Tue 20May25 18:10

(LHR) Heathrow, United Kingdom
(IDA) Idaho Falls, United States 1 Stop (SLC)

Air France
Fri 30May25 12:30 Sat 31May25 09:50

(IDA) Idaho Falls, United States
(LHR) Heathrow, United Kingdom 1 Stop (SLC)

£ 1188.12

As low as £396/mo

Travel Class: Economy

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4 British Airways Flights To Idaho Falls Basic Economy
British Airways
Tue 20May25 20:10 Thu 22May25 12:29

(LHR) Heathrow, United Kingdom
(IDA) Idaho Falls, United States 2 Stops (BOS-DFW)

British Airways
Fri 30May25 07:00 Sat 31May25 08:10

(IDA) Idaho Falls, United States
(LGW) Gatwick, United Kingdom 2 Stops (DFW-JFK)

£ 1194.12

As low as £398/mo

Travel Class: Economy

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5 KLM Flights To Idaho Falls Economy Light
KLM
Tue 20May25 10:55 Tue 20May25 18:10

(LHR) Heathrow, United Kingdom
(IDA) Idaho Falls, United States 1 Stop (SLC)

KLM
Fri 30May25 12:30 Sat 31May25 09:50

(IDA) Idaho Falls, United States
(LHR) Heathrow, United Kingdom 1 Stop (SLC)

£ 1208.12

As low as £403/mo

Travel Class: Economy

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6 Virgin Atlantic Flights To Idaho Falls Economy Classic
Virgin Atlantic
Tue 20May25 10:55 Tue 20May25 18:10

(LHR) Heathrow, United Kingdom
(IDA) Idaho Falls, United States 1 Stop (SLC)

Virgin Atlantic
Fri 30May25 12:30 Sat 31May25 09:50

(IDA) Idaho Falls, United States
(LHR) Heathrow, United Kingdom 1 Stop (SLC)

£ 1276.05

As low as £425/mo

Travel Class: Economy

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7 United Airlines Flights To Idaho Falls Basic Economy
United Airlines
Tue 20May25 14:50 Tue 20May25 21:04

(LHR) Heathrow, United Kingdom
(IDA) Idaho Falls, United States 1 Stop (DEN)

United Airlines
Fri 30May25 17:55 Sat 31May25 12:20

(IDA) Idaho Falls, United States
(LHR) Heathrow, United Kingdom 1 Stop (DEN)

£ 1467.12

As low as £489/mo

Travel Class: Economy

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Note: * All fares above were last found on: Thu May 15, 2025 20:23:00 UTC . Fares are one way/round trip. Fares incl. all fuel surcharges, taxes & fees and our service fees. Displayed fares are based on historical data, are subject to change and cannot be guaranteed at the time of booking. See all booking terms and conditions.

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Hear From Our Happy Clients

Customer

"My recent trip to Abuja was absolutely seamless thanks to SpeedOflights. From flight bookings to accommodation, everything was handled with professionalism and care. Highly recommend!"

Customer
22-Jan-2025
Grace

"The agent was involved from the start and he is very assuring. Very helpful"

Grace
19-Dec-2024
FRESTONKENNYADEDEME

"The flexible payment system and good staff to attend to customer's. Especially, Steve was always around to attend to my difficulties. Check-in was done by Steve, thanks to him."

FRESTONKENNYADEDEME
18-Dec-2024
Nchekwube Nwabunnia

"Steve Mills is a great. So convincing and was the reason i bought this ticket from you. He was there all step of the way ensuring i never struggled with anything. "

Nchekwube Nwabunnia
18-Dec-2024
Customer

"It was my first time purchasing an airline e-ticket and, it was also a stressful time for me. Firstly, I was surprised that Steve returned my call and he was very patient in guiding me through the process...."

Customer
11-Dec-2024
Mandlenkosi

"The agent was very patient and took his time to find the best flight for my needs."

Mandlenkosi
30-Sep-2024
Villy Vellayappan

"Jack was superb . His service is exemplary, assisting us all the way whenever we were in doubt ."

Villy Vellayappan
08-Jul-2024
David Elliott

"Jack at Castle Travel provided prompt and efficient service following my enquiry for flights from Dublin to Izmir for a proposed vacation in Turkey."

David Elliott
14-Jun-2024
Victor Ogbonna

"i never regretted traveling with BA via Air travels Ltd as the journey was quite smooth, safe and timely. i most sincerely wish to appreciate my good friend Mr, Ben of Air travels for his professionalism on the job and with him, i will always use and recommend the company to my numerous friends and family members."

Victor Ogbonna
06-May-2024
View More FAQ's

Frequently Asked Questions

Most airlines offer an online check-in service either 24 or 48 hours before departure. For some airlines, the check-in period can be as early as 30 days before departure, but this is dependent on factors like whether you’ve purchased priority check-in and boarding.
Once checked in, be sure to keep track of your flight times to make sure there have been no changes. If your flight is delayed, it's worth contacting your transfer provider and hotel directly just to let them know.
If you need to change your travel times, you can request flight changes through us or directly with your airline, depending on who you’re flying with. Before the departure of flights, you can cancel or change your ticket by simply talking to our Customer relation representative over the phone or you can also write them an e-mail to cancel your ticket. If we do not receive any remaining payments within 72 hours of the booking, then the reservation will automatically be canceled. All the tickets are issued on the basis of non-refundable and non-endorsable unless stated otherwise.
Sometimes, airlines need to amend their flight schedule, resulting in a change or cancellation of flights. However, this is usually done well in advance to give you plenty of time to choose a replacement.
Flight changes are classed as either ‘minor’ or ‘significant’ and affect how we’re able to help you.
Your airline reference is a unique number used to access your flight booking on the airline’s website you’re travelling with. You'll find your airline reference number within your booking documents.
If you miss your flight for whatever reason, your first step should be to speak to your airline to try and get rebooked on the next available flight.
Please note, we can’t offer a refund for missed flights and you’ll have to pay for a new ticket.
If your return flight gets cancelled while you’re on holiday, you will be contacted either by one of our customer service agents or by your airline (depending on who you’re flying with) with alternative flight options.
If you have any questions or concerns while you’re away, you can speak to one of our friendly customer support agents on 0203 957 9273. This number is available 24 hours, 7 days a week on whatsapp.
One benefit of making your air reservations with us is that we are able to understand your needs whilst arranging your travel itinerary. Our travel consultants will be able to suggest the best airlines with the most flexible conditions for your travel. We also monitor the travel itinerary and are able to advise of any changes that the airline may make. Finally, we know which airlines are the most reliable, have good on-time records and are more passenger orientated.
We only accept the Debit / Credit card of the leading passenger. If the Card holder is not the passenger, means he is not travelling then we do not accept the card payment online or over the phone. In that case, the Card holder must come to our office with the chip and pin card and we will physically charge / process the card on our machine.
If you are planning on traveling during any holiday period, it is advisable to plan well in advance. Generally 3-6 months ahead is advisable. Also you would be able to get the best deals within this period. Closer to departure in holiday period, airlines often close out availability on cheaper fares. However, if you are looking for a late getaway, we would still be delighted to assist in your travel plans.