Cheap flights from San Francisco to Northern Ireland from $630
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Northern Ireland departing on 10/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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American Airlines flights from San Francisco to Northern Ireland
Our best American Airlines deals on San Francisco to Northern Ireland flight tickets
KLM flights from San Francisco to Northern Ireland
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How to get the cheapest flight ticket from San Francisco to Northern Ireland
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Northern Ireland?
The cheapest month to fly to Northern Ireland from San Francisco is in October. Flight prices, which tend to average around $588, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Northern Ireland from San Francisco during April instead. Flights to Northern Ireland in April, while not as cheap as those in October, still average around $622.
What is the cheapest day to depart on your flight to Northern Ireland?
The cheapest day to depart on your flight to Northern Ireland is on a Tuesday when prices can be found for as low as $690. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to Northern Ireland for around $1,423.
Cheap San Francisco to Northern Ireland flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Francisco to Northern Ireland
Best Price Found | $1,776 |
|---|---|
Fastest flight time | 13h 55m |
Direct flights | None |
Airports in Northern Ireland | 2 airports |
When did momondo last update prices for flights from San Francisco Airport to Northern Ireland?
Prices for flights from San Francisco Airport to Northern Ireland refresh daily.
How many operators does momondo search for flights from San Francisco Airport to Northern Ireland?
As of June 2025, there are 2 operators available to choose from for flights from San Francisco Airport to Northern Ireland.
How old do you have to be to fly from San Francisco Airport to Northern Ireland?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Northern Ireland.
What documentation or ID do you need to fly to Northern Ireland?
The travel and health documents required for your trip to Northern Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Northern Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from San Francisco to Northern Ireland
Compare and see reviews for airlines that fly from San Francisco to Northern Ireland with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $493 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $588 | Free Cancellation | Rating 6.6 7,008 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from San Francisco to Northern Ireland?
Finding the right flight to Northern Ireland from San Francisco is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Northern Ireland quick and easy, saving you time and money.
Can I find flights from San Francisco to Northern Ireland with flexible booking policies on momondo?
Yes. All flights to Northern Ireland from San Francisco on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from San Francisco to Northern Ireland?
Once you have performed a search for San Francisco to Northern Ireland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from San Francisco to Northern Ireland right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Northern Ireland, momondo offers a useful price alert feature which will track prices for flights to Northern Ireland from San Francisco and alert you when they change.