Life & fun · alternatives · 2026

24 alternatives to FlyGRN

Flight search engine that offsets carbon emissions for free

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. FlyGRN launched in 2019; newer entries below may have overtaken it.

1
Aerial▲405
Climate action, in your hands.
2020 · apps.apple.com · its alternatives →
2
Book.green▲62
Find the cheapest and most ecological flights
2023 · its alternatives →
3
Fly▲236
A smart, global load balancer for developers
2017 · fly.io · its alternatives →
4
AirCare▲87
Forward a flight to learn your climate impact 🛩🌎
2020 · its alternatives →
5
Flymble▲443
Book a flight for 1/10 of the cost upfront.
2017 · its alternatives →
6
QuestOrganizer (Latest version: AirWander)▲173
Multi-book your flights. Spend less & find free stopovers.
2015 · airwander.com · its alternatives →
7
Flight Deals▲535
Describe your trip, get the best flight deals.
2025 · blog.google · its alternatives →
8
Flyright▲321
Travel prep in 6 taps (instead of 100+)
2017 · its alternatives →
9
Tripit Carbon Footprint▲75
Your carbon footprint at your fingertips
2020 · tripit.com · its alternatives →
10
Adioso▲100
Flight search with complete flexibility.
2014 · its alternatives →
11
Tripnary 2.0▲134
Find great places to fly on your budget
2016 · tripnary.com · its alternatives →
12
Flyde – an open-source visual programming language▲298
Hi HN! I’m Gabriel, and I’m happy to share a project I’ve been working on for the last few years: Flyde, an open-source visual programming language. Check out the interactive examples and online playground on the website: https://www.flyde.dev. In my last role as an engineering manager for a B2B-oriented product, I authored and reviewed many diagrams for backend applications, mostly for integrations between 2 third-party services. Some of these diagrams were elaborate enough that I started dreaming of a way to simply run a diagram as is; I imagined a “run” button on the top-right…
2024 · github.com · its alternatives →
13
Flyr▲100
Today's airfares, tomorrow's bargain.
2014 · its alternatives →
14
I made a site that compares flights and offsets emissions automatically▲5
Find the best flights on the web. ✓ All airlines ✓ Destinations all over the world ✓ We offset your flight's CO2-emissions up to 100% for free. ✓ Fly Green
2019 · flygrn.com · its alternatives →
15
Spelt▲94
I was frustrated with existing APIs for searching flight prices, so I built this. It's a simple API to search for flights and get their prices. It can also return booking links. Generous free tier (happy to give more credits, lmk) + super low pricing. Lmk any thoughts or improvement ideas :)
2015 · ignav.com · its alternatives →
16
Descent▲160
Set a budget and get alerted when flights get cheap
Mar 2026 · apps.apple.com · its alternatives →
17
Award Hacker▲81
Search engine for award flights.
2016 · awardhacker.com · its alternatives →
18
Flight Penguin▲150
Take the pain out of flight search
2022 · its alternatives →
19
AeroNautical 2.0▲68
An all in one app for aviation enthusiasts ✈️
2019 · apps.apple.com · its alternatives →
20
Tripnary for Slack▲78
Search for flights, inside Slack
2016 · tripnary.com · its alternatives →
21
Flight Hacks▲103
Find cheap flights completely for free
2023 · goodflightdeals.com · its alternatives →
22
JetsetIQ▲12
Carbon offset solution for eco friendly & sustainable travel
2025 · jetsetiq.com · its alternatives →
23
Flystein▲131
Concierge flight booking service that can save you big
2015 · flystein.com · its alternatives →
24
Flight Follower▲114
Ad free flight tracking for aviation enthusiasts
Jan 2026 · flightfollower.app · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →