United Airlines Flights: Search & Compare Deals

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Return United Airlines flight deals

Compare return international and domestic flight deals from United Airlines recently found by momondo users

International

United Airlines

15 Jul

LHR16:00London Heathrow

12h 19m

1 stop

IAD23:19Washington, D.C. Dulles Intl

21 Jul

IAD12:35Washington, D.C. Dulles Intl

13h 40m

1 stop

LHR07:15London Heathrow

£463

United Airlines

23 Jul

LHR07:45London Heathrow

14h 53m

1 stop

LAX14:38Los Angeles Los Angeles

29 Jul

LAX06:00Los Angeles Los Angeles

17h 25m

1 stop

LHR07:25London Heathrow

£470

United Airlines

14 Jul

LHR10:25London Heathrow

17h 03m

1 stop

SFO19:28San Francisco

12 Aug

SFO06:00San Francisco

17h 15m

1 stop

LHR07:15London Heathrow

£473

United Airlines

1 Sept

EDI09:40Edinburgh Turnhouse

7h 45m

EWR12:25Newark

8 Sept

EWR15:11Newark

14h 24m

1 stop

EDI10:35Edinburgh Turnhouse

£475

United Airlines

14 Jul

LHR10:25London Heathrow

20h 34m

1 stop

SFO22:59San Francisco

6 Aug

SFO14:20San Francisco

14h 05m

1 stop

LHR12:25London Heathrow

£476

United Airlines

21 Aug

LHR08:40London Heathrow

15h 50m

1 stop

LAX16:30Los Angeles Los Angeles

19 Sept

LAX11:45Los Angeles Los Angeles

15h 25m

1 stop

LHR11:10London Heathrow

£482

One-way United Airlines flight deals

Find and compare United Airlines flight prices for one-way international and domestic flights

International

United Airlines

21 Sept

EDI09:40Edinburgh Turnhouse

7h 45m

EWR12:25Newark

£299

United Airlines

21 Sept

EDI12:30Edinburgh Turnhouse

11h 45m

1 stop

EWR19:15Newark

£302

United Airlines

14 Sept

EDI09:40Edinburgh Turnhouse

7h 45m

EWR12:25Newark

£331

United Airlines

26 Sept

LHR07:30London Heathrow

11h 10m

1 stop

EWR13:40Newark

£380

United Airlines

5 Oct

GLA14:00Glasgow Intl

7h 40m

EWR16:40Newark

£390

United Airlines

29 Sept

EDI09:40Edinburgh Turnhouse

7h 45m

EWR12:25Newark

£394

Quick facts about United Airlines

Find info about flight duration, flight prices, and popular routes for United Airlines

Cheapest Route	£40
Most Popular Route	SFO to LAX
Shortest flight	0h 49m
Longest Flight	3h 15m

The cheapest route United Airlines flies is from Tampa to Sao Paulo Guarulhos Intl for £40

Flying from San Francisco to Los Angeles Los Angeles is currently the most popular United Airlines route

The quickest United Airlines flight route is 0h 49m from Denver (DEN) to Cheyenne (CYS)

The longest United Airlines flight route is 3h 15m from Chicago (ORD) to Fort Lauderdale (FLL)

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Information about flying with United Airlines

Does United Airlines have flights from London Heathrow?

Yes, United Airlines currently has 577 flights out of London Heathrow per week.

Where does United Airlines fly to?

United Airlines flies 1,639 different routes (667 international and 972 domestic) on a yearly basis. You can find United Airlines flights to 75 different countries. Based on our data, London is the most popular domestic destination and flying to Chicago is the most popular international destination.

What are the top airports United Airlines serves?

San Francisco, Denver Intl, and Los Angeles Los Angeles are the most popular airports United Airlines uses on a routine basis throughout the year.

How do I check the flight status for United Airlines?

To check the flight status of United Airlines, you can give them a call at 0845 607 6760 or visit their website at united.com. Or, you can use our on-page Flight Tracker that provides you with real-time United Airlines flight information, including terminal and gate number, arrival and departure times, and flight status.

What is the cheapest domestic United Airlines flight?

The cheapest domestic return United Airlines flight is from San Francisco to Ontario. This route is £88 per ticket and has 0 stops. Flying from Los Angeles Los Angeles to Las Vegas Harry Reid Intl is the cheapest one-way domestic flight with United Airlines. This flight costs £45 per ticket and has 0 stops.

What is the cheapest international United Airlines flight?

Los Angeles Los Angeles to Vancouver Intl and back with 0 stops for £143 per ticket is the cheapest return international flight we could find from United Airlines. The cheapest United Airlines international flight we could find was flying from Tampa to Sao Paulo Guarulhos Intl. This is a one-way flight for £40 and has 1 stop.

What are the bag size limits for United Airlines?

Flying with United Airlines does have some restrictions when it comes to baggage dimensions. If you choose to bring one, your checked bag should be 62in or smaller. Carry-on luggage must be 22x13x8in or smaller, and a personal item should be within 16x9x8in.

United Airlines Reviews

7.4

Good9,920 verified ratings

7.7Boarding

6.6Food

7.1Entertainment

8.1Crew

7.3Comfort

6.0 Okay

Gabriel, Jun 2026

Was ok but not perfect

10.0 Wonderful

Anonymous, Jun 2026

Smooth

4.0 Mediocre

Amber, May 2026

Crammed like sardines

8.0 Very Good

Amber, May 2026

I am still confused why airlines started boarding front to back. It makes the whole process difficult and awkward

8.0 Very Good

Amber, May 2026

The planes were full to the brim! I understand that is how they make their money, there was no room for my backpack overhead and got the great pleasure of bumping into and rubbing my butt on at least 9 arms. Other than that, the flight attendant let me get some much needed sleep.