United Airlines Flights: Search & Compare Deals

1 adult

0 bags

Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Return United Airlines flight deals

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

United Airlines

17 Feb

DUB10:40Dublin

11h 50m

1 stop

IAD17:30Washington, D.C. Dulles Intl

22 Feb

IAD13:02Washington, D.C. Dulles Intl

14h 08m

1 stop

DUB08:10Dublin

€394

Find similar

United Airlines

21 Feb

DUB09:00Dublin

14h 08m

1 stop

EWR18:08Newark

28 Feb

EWR15:03Newark

14h 17m

1 stop

DUB10:20Dublin

€437

Find similar

United Airlines

20 Feb

DUB13:35Dublin

7h 50m

EWR16:25Newark

28 Feb

EWR15:15Newark

14h 05m

1 stop

DUB10:20Dublin

€439

Find similar

United Airlines

5 Feb

DUB09:30Dublin

7h 30m

EWR12:00Newark

8 Feb

EWR19:55Newark

6h 35m

DUB07:30Dublin

€440

Find similar

United Airlines

20 Feb

DUB10:40Dublin

8h 50m

ORD13:30Chicago O'Hare Intl

27 Feb

ORD18:35Chicago O'Hare Intl

7h 35m

DUB08:10Dublin

€455

Find similar

United Airlines

20 Feb

DUB12:05Dublin

8h 15m

IAD15:20Washington, D.C. Dulles Intl

27 Feb

IAD22:20Washington, D.C. Dulles Intl

7h 00m

DUB10:20Dublin

€456

Find similar

One-way United Airlines flight deals

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

United Airlines

28 May

DUB11:35Dublin

19h 55m

1 stop

SNN07:30Shannon

€878

Find similar

United Airlines

29 May

DUB11:35Dublin

19h 55m

1 stop

SNN07:30Shannon

€1,835

Find similar

United Airlines

30 May

DUB11:35Dublin

19h 55m

1 stop

SNN07:30Shannon

€3,418

Find similar

Quick facts about United Airlines

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

Cheapest Route	€33
Most Popular Route	AUS to MIA
Shortest Flight	1h 20m
Longest Flight	4h 33m

The cheapest route United Airlines flies is from San Francisco to Las Vegas Harry Reid Intl for €33

Flying from Austin Bergstrom to Miami is currently the most popular United Airlines route

The quickest United Airlines flight route is 1h 20m from Los Angeles (LAX) to Las Vegas (LAS)

The longest United Airlines flight route is 4h 33m from Newark (EWR) to Denver (DEN)

Search flight deals

Information about flying with United Airlines

Does United Airlines have flights from Dublin?

Yes, United Airlines has 38 weekly flights scheduled to fly out of Dublin.

Where does United Airlines fly to?

United Airlines flies a total of 1,577 routes per year to 75 countries. Dublin, their most popular domestic destination, is just one of 940 domestic routes United Airlines flies on a routine basis. Chicago is the most popular destination out of 637 international routes.

What are the top airports United Airlines serves?

Los Angeles is the most popular airport that United Airlines serves, followed by San Francisco and Chicago O'Hare Intl.

How do I check the flight status for United Airlines?

Check the flight status for United Airlines using our real-time Flight Tracker. To get an update, type in either the airport name or the United Airlines flight number, then click Track Flight. We’ll show you information such as the gate number, departure time, and arrival time for United Airlines flights. If you want more information about a particular flight, feel free to call United Airlines at 1890-925-252 or visit their website at united.com.

What is the cheapest domestic United Airlines flight?

The cheapest return domestic flight we could find with United Airlines was flying Denver Intl to San Diego for €66 per ticket. This flight has 0 stops. If you’re looking for a one-way domestic flight with United Airlines, the cheapest route we could find was San Francisco to Las Vegas Harry Reid Intl with 0 stops for €33 per ticket.

What are the bag size limits for United Airlines?

Keep in mind while you’re packing for your next trip that United Airlines has strict baggage size requirements. Any carry-on should be within 56x35x22cm, all checked bags should be within 158cm, and personal items should be 43x25x22cm or smaller.

United Airlines Reviews

7.4

Good9,132 verified ratings

7.3Comfort

8.1Crew

6.6Food

7.1Entertainment

7.7Boarding

10.0 Wonderful

Anonymous, Jan 2026

United is an awesome airline!

8.0 Very Good

Anonymous, Dec 2025

This time everything was ok

10.0 Wonderful

Anonymous, Nov 2025

The crew's professionalism, kindness were outstanding. The plane was clean --though the "room" business class is showing its age was great. Food options, quality and taste were great--amenities were good. And appreciated how organized and ontime everything was. Only feedback is business class could be updated or freshened up --and a thicker mattress cover would have been great to soften the seat.

10.0 Wonderful

Anonymous, Nov 2025

Crew, service, boarding, cleanliness, food -and on time arrival and departure was overall outstanding on ANA.

2.0 Poor

Anonymous, Nov 2025

I can't properly complete this survey as we're still in the middle of the holiday and l, despite your nagging about reviewing the flight, have other priorities just now. The only reason I'm bothering to submit this at all is because the passenger's experience was absolutely disgusting. The flight was late, the United Airlines app lost his boarding pass, and by the time the ticketing staff finally got it sorted, he'd missed his connecting flight. The United staff then refused to help him get onto another flight, despite it being ENTIRELY United's fault he'd missed it in the first place. Underpricer is a pain in the arse too. Their salesperson, Dia, called me repeatedly at all hours of the day and night to pester me about seat preferences and travel insurance. Then, after charging a ridiculous fee to choose seats, she had the nerve to call and tell me that the airline had removed his seat preferences and I'd have to pay almost as much again to rebook them. When I asked if I'd be refunded the money I'd already paid to book his seat preferences, she put me on hold to "speak to [her] colleagues" and miraculously decided that, as it was the airline's mistake, his preferences would be rebooked at no extra charge. It REEKED of an attempt to milk me for more money. On top of that, here you are, nagging me IN THE MIDDLE OF OUR HOLIDAY for a review. I can assure you I won't be using either momondo OR United Airlines again.